Release Information GOM Software 2019 –What’s New · GOM Software 2019 requires Windows 7 SP1...

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Release Information

GOM GmbH | July 05, 2019

GOM Software 2019 – What’s New

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What's New GOM Software 2019 | GOM GmbH

1. Important Information about the GOM Software 2019

1.1 System Requirements

1.2 Documentation and Update Training

1.3 License Information

2. New Default Workflow

2.1 User Guidance by Status and Status Information

2.2 Clipboard and Improvements for CAD Import

2.3 Part-Based Workflow – Digital Assembly

3. Applications

3.1 Next Steps in Sheet Metal Inspection

3.2 Surface Inspection

3.3 Virtual Clamping

3.4 Evaluation of CT Data

Table of Contents

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4. 3D Metrology

4.1 Calibration

4.2 Photogrammetry and Reference Point Identification

4.3 Manual Scanning – New Workflow

4.4 Automation – New Generation VMR Workflow

4.5 Third Party Enhancements

4.5.1 Extend3D Projector Support

4.5.2 Orthogonally Averaged Section for High-Resolution Section Enhancements

4.6 GD&T Inspection and PMI Exchange

5. 3D Testing

5.1 Benefits of the New Workflow

5.2 Crack Tip Detection

5.3 Contour Detection

5.4 Further Improvements for Testing Applications

Table of Contents

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6. General Features and Improvements

6.1 Scripting

6.2 Import and Export Functions

6.3 New Visualization Options

6.3.1 Local Coordinate System as Viewing Coordinate System

6.3.2 Section View

6.4 Construction and Inspection

6.4.1 Enhanced Curve Functions

6.4.2 Touch Point (Edge) Relative

6.4.3 Inspection of Profile Form and Position (Aerospace Application)

Table of Contents

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Important Information

System requirements

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System requirements

Minimum:

Intel Core i3, 4 GB RAM

OpenGL-compatible graphics board (NVIDIA Quadro for optimized hardware rendering)

Windows 7 SP1 (64 Bit) with current security updates

Recommended:

Intel Core i7 (QuadCore), 16 GB RAM or more

(depending on mesh/project size),

Certified graphics board,

Windows 10 (64 Bit) with current security updates


Compatible with Windows 7/Windows 10

GOM Software 2019 requires Windows 7 SP1 (64 Bit) or Windows 10 (64 Bit) and is fully compatible with Windows 7®/Windows 10® operating systems.*

For measuring systems the minimum requirement may differ depending on the sensors used, e.g. for ATOS 5/ATOS 5X or GOM CT at least Windows 10 (64 Bit) including security updates is required.

* Windows and the Windows logo are trademarks of the Microsoft group of companies.

GOM Software 2019 for Windows

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GOM Software 2019 for Windows

Certified and compatible graphics boards and drivers for Microsoft Windows 7 and Windows 10

Notebooks: Workstations:

Graphics Board ModelWindows7 64 Bit

Windows 10 64 Bit

Quadro FX 360M (256 MB) Dell M4300 186.81


Quadro FX 880M (1024 MB) Dell M4500189.74/275.33

Quadro 2000M (2048 MB) Dell M4600 275.33

Quadro K2000M (2048 MB) Dell M4700 341.05




Quadro 4000M (2048 MB) Dell M6600 275.33



Quadro M1000M (2 GB) Dell M7510 354.56

Quadro M4000M (4 GB) Dell M7710 354.56

Quadro P3000 Dell Pre. 7720 385.69

Quadro P3200 Dell Pre. 7730 389.08

Graphics BoardWindows 7 64 Bit

Windows 10 64 Bit

Quadro FX 1500 (256 MB) 190.38

Quadro FX 1700 (512 MB) 190.38

Quadro FX 1800 (768 MB) 266.45

Quadro FX 570 (256 MB) 190.38

Quadro 600 (1 GB) 266.45

Quadro 2000 (1 GB) 341.05

Quadro 4000 (2 GB) 341.05

Quadro K2000 (2 GB) 341.05

Quadro K4000 (3 GB) 341.05

Quadro K2200 (4 GB) 341.05

Quadro K4200 (4 GB) 341.05

Quadro M2000 (4 GB) 369.26 369.39

Quadro M4000 (8 GB) 354.56 369.39

Quadro P1000 (4 GB) 390.65

Quadro P4000 (8 GB) 390.65

http://ftp.us.dell.com/video/R232092.exe

http://ftp.us.dell.com/video/nVidia_multi-device_A09_R256589.exe

http://us.download.nvidia.com/Windows/275.33/275.33-notebook-win7-winvista-64bit-international-whql.exe


http://www.nvidia.com/download/driverResults.aspx/79105/en-us


http://ftp.us.dell.com/video/nVidia_multi-device_A09_R256589.exe

http://ftp.us.dell.com/video/NVIDIA_MULTI-DEVICE_A02_R254424.exe







https://www.dell.com/support/home/us/en/19/drivers/DriversDetails?productCode=precision-17-7730-laptop&driverId=FRTF9

http://de.download.nvidia.com/Windows/Quadro_Certified/190.38/190.38_quadro_win7_winvista_64bit_international_whql.exe


http://us.download.nvidia.com/Windows/Quadro_Certified/266.45/266.45-Quadro-win7-winvista-64bit-international-whql.exe


http://us.download.nvidia.com/Windows/Quadro_Certified/266.45/266.45-Quadro-win7-winvista-64bit-international-whql.exe








http://www.dell.com/support/home/en/us/dedhs1/drivers/driversdetails?driverid=p4y4x


http://www.dell.com/support/home/en/us/dedhs1/drivers/driversdetails?driverid=p4y4x

http://www.nvidia.com/content/DriverDownload-March2009/confirmation.php?url=/Windows/Quadro_Certified/390.65/390.65-quadro-grid-desktop-notebook-win10-64bit-international-whql.exe&lang=us&type=Quadro

http://www.nvidia.com/content/DriverDownload-March2009/confirmation.php?url=/Windows/Quadro_Certified/390.65/390.65-quadro-grid-desktop-notebook-win10-64bit-international-whql.exe&lang=us&type=Quadro

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Documentation & Training

eLearning “Update Training – GOM Software 2019“

Training

Direct help

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GOM offers an eLearning course “Update Training – GOM Software 2019” which provides you with all information

you need if you updated to GOM Software 2019. Multiple video tutorials guide you through the new workflows of

the software. You will, for example, learn how to create your measurements and inspections quickly and easily

with the advanced display options and how to evaluate digitally assembled parts. You will also learn how the new

software version will help you in your everyday work – especially in sheet metal, automotive and testing

applications. Try out software functions and concepts by using the training material in this course.

Topics

∙ Inspection of single and multiple parts

∙ Improvements in sheet metal and automotive applications

∙ New automation workflow with Smart Teach

∙ New manual scanning workflow

∙ Improvements in testing applications

The course is publicly available and free of charge. You can learn in your own pace whenever you want.

Join the eLearning training in the GOM Training Center. (The code for initial registration is: GOMTraining)

eLearning “Update Training – GOM Software 2019”

https://training.gom.com/account/Login

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GOM Training

Basic Level: Participants get to know their GOM system, learn how to operate the hardware and create their first software projects.

Advanced Level: Strengthening of skills on the GOM system and software in advanced training courses.

Expert Courses: Participants become an expert on their GOM system in their individual domain.

For more information, refer to GOM Training.

Training

http://www.gom.com/events/training.html#c17889



http://www.gom.com/events/training.html

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Direct help

Within the software, you quickly get selective information

about software functions. The direct help describes the single elements of

the dialogs and their functions.

More explanations about new features will be added shortly.

Release notes

A brief description of recent changes, feature enhancements and bug

fixes in a particular software release version is available under Release

Notes.

Documentation – GOM Software 2019

https://support.gom.com/display/SOFTWARE/Release+Notes+2019

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License Information

License derivates – GOM Software 2019

GOM Inspect Professional (Trial)

Key License

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ATOS

GOM Scan

ATOS Professional

ATOS XL Professional

ATOS Professional VMR

ATOS XL Professional VMR

TRITOP

TRITOP Basic (in combination with ATOS Essential Line)

TRITOP Professional

XL (module for ATOS/ARAMIS Professional)

CT Professional

CT Professional

PONTOS Live

PONTOS Live

License Derivates – GOM Software 2019

ARAMIS

GOM Snap

ARAMIS Professional

ARAMIS XL Professional

Evaluation software

GOM Inspect

GOM Inspect Professional

GOM Inspect Professional VMR

GOM Correlate

GOM Correlate Professional

Add-on to

ATOS Professional/GOM Inspect Professional

Virtual Clamping (new)

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Motivation

GOM Inspect users would like to take their workflow and results to the next level by trying out GOM Inspect Professional

New feature

GOM offers a 30-day trial version for GOM InspectProfessional

To try out GOM Inspect Professional, just click Try Professional in the free GOM Inspect software. Afterwards, you will receive the trial license via email.

GOM Inspect Professional (Trial)


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Comparision Between Software Licenses


Comparison between different software licenses

Import/Export of measuring data (ASCII, STL, PSL, PLY)

Mesh processing (laser scanner, CT, white light scanner)

CAD import basic formats (IGES, STEP, PLY, ...)

CAD import native formats (CATIA, UG, Pro/E)

CAD import with semantic PMI/FTA STEP

Inspection (alignments, nominal/actual comparison, local coordinate systems, GD&T, curves, airfoils, ...)

Reporting

Traceability

Script engine

Parametric inspection/Teaching by Doing

Customization with templates (e.g. project templates, user-defined inspection principles/checks, surface defect classification)

Timeline: Creation of 3D data stages (meshes/point clouds)

Digital assembly (adding a new part)

Virtual measuring room (additional module)

Virtual Clamping (additional module)

Flexible solution for network licenses

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Motivation

In some data centers or at virtual servers, it is not possible to plug in USB flash drives or other external hardware.

New feature

Network licenses (Enterprise) are available as Dongle Licenses or Key Licenses.

Key Licenses do not require a hardware dongle.

GOM Inspect Enterprise and GOM Correlate Enterprise – Key License


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New Default Workflow

User guidance by status and status information

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Motivation

Hints and problems were shown in various places

∙ Computation state

∙ Collisions

∙ Measurement quality

∙ Estimated scan coverage

∙ Inspections that are not shown in report

User Guidance

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Enhancement

Guiding the user through the process (from scanning to inspection and reporting)

Providing context-specific help

All hints in a single view

∙Divided into categories

∙Resolve categories from top to bottom

User Guidance by Status and Status Information

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For some hints, Status Information suggests onepossible action or even multiple possible actions.

For example:

Hint: The measuring principle is missing

Possible Action: Assign measuring principle

Less severe hints can be accepted to avoid being bothered by known and unimportant hints.

User Guidance – Possible Actions

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If two elements are not computed, but one depends on the other

→ Only show the root problem in Status Information

User Guidance – Finding the Root of the Problem

GOM Software 2018 GOM Software 2019

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The status bar shows if the project has any hints

Relates To shows if the chosen elements or their relatedelements have hints

User Guidance While Status Information is Hidden…

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By default, Status Information is integrated in theExplorer

To achieve this, the layout became more flexible

All draggable views can be docked left, right or abovethe 3D view

In the left and right docking areas, views can bestacked

User-Defined Layout

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Import of complex CAD assemblies

Clipboard

Improvements and changes of the CAD import

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Motivation

∙ CAD assemblies can get very complex

∙ Assemblies might contain unwanted things

∙Non-measurable surfaces (glass, …)

∙Hidden parts (screws, …)

∙Too many bodies

∙ CAD program may be unavailable to rearrange

∙→ Slow import

∙→ Hard to work with

New features

∙→ New import target “Clipboard”

∙Full access to assembly tree

∙Fast import

∙Fully import only what you need

∙→ Much enhanced editing of CADs

∙Delete bodies and rearrange between parts

∙Retessellate with varying accuracy between bodies

∙Mark bodies as non-measurable to exclude them from inspection

Import Improvements for Complex CAD Assemblies

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Features

∙ Full assembly tree, similar to in the original CAD application

∙ Explore the CAD by browsing the tree

∙Visibility is shown for each object

∙Change visibility of objects

∙Delete objects or subtrees that are unnecessary

∙ Fast PMI import for preview, i.e. annotation in 3D view

∙ Element filters are imported as special tags

∙ Full scripting support

The clipboard is special, because

∙ A fast preview tessellation is used → much faster import

∙ It is separated from the parts (it has its own Explorer section)

∙ It is not included in inspection, calculation, …

∙ Objects in the clipboard are in between “imported” and “not imported”→ full import can be done at any time, promoting objects from the

clipboard to make them usable for inspection

Clipboard

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How to use

∙ Import an assembly file as usual and select Clipboard

∙ Use the Clipboard section in the explorer to browse the assembly tree

∙ Visibility can be changed as usual

∙ Use drag & drop to create or extend parts or to create fixtures

∙ PMI elements can be created using drag & drop as well

Notes

∙ Elements from the Clipboard are moved, i.e. the clipboard becomes smaller if elements are dragged to parts

∙ If elements are moved to a part, all their dependencies are moved as well

Clipboard

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How to use

∙ Use F4 or the pencil button to open Edit CAD

∙ Use drag & drop to rearrange bodies

Features (Explorer/3D view)

∙ File-based view of bodies

∙ Names are preserved

∙ User can edit CAD structure even after import:

∙Delete bodies

∙Rearrange bodies (move to other parts)

∙Move bodies back to the Clipboard

Features (properties panel)

∙ Bodies can be marked as measurable/non-measurable→ possibility to exclude bodies from inspection

∙ Edit tessellation for each body (or several bodies at once)

Editing CAD

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Motivation

∙ Stay up to date with CAD formats

∙ Frequent requests for CAD import improvements

Major changes

∙ New and updated formats

∙ Major issue solved (“Missing spheres”)

∙ Improved repair

∙ Part-based workflow is now the default!

Improvements and Changes of the CAD Import


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New formats

∙ Autodesk FBX (.fbx)

∙ 3D Studio (.3ds)

∙ Revit (.rvt, .rfa)

∙ COLLADA (*.dae)

∙ GL Transmission Format (.gltf, .glb)

∙ Wavefront OBJ (.obj)

New and Updated Formats

Updated formats

∙ SolidWorks 2019 (new: PMI support)

∙ SolidEdge 2019

∙ Parasolid V31

∙ JT 10.2

∙ Creo Parametric 5

∙ Inventor 2019

∙ AutoCAD 2019

∙ Catia v5/v6 – 2018

∙ Rhino 3D 4, 5, 6

∙ ACIS Text/Binary, v28 (2018)

∙ Siemens NX 11 – 12


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In GOM Software 2018, missing spheres were a common problem

∙ Fixed in GOM Software 2019

∙ Lots of bug fixes

∙ Improved repair mode

Improved CAD Import


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Part-based workflow – Digital Assembly

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Motivation

∙ Enable “multiple projects inside one project”

∙ Support digital assembly

New default workflow

∙ Introduced in GOM Software 2018 as type New Project (Parts)

→ Default workflow in GOM Software 2019

∙ Evaluate each part and the entire assembly in a single project

∙ Simulate and evaluate the digital assembly of multiple parts

∙ Predict or reconstruct the physical assembly based on separately measured parts

∙ Create several parts, which can all be assigned to nominal and actual data

∙ Create alignments or elements as usual

∙ Create inter-part alignment and inspection

New Default Workflow in GOM Software 2019

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GOM Software 2019 supports two workflows


Load project from GOM Software 2018 Create new project

Migrate existing projectCreate project from legacy project template

Create project from part-based project template

Part-based

(New default workflow)

A part is an object that is measured and inspected.

Inspections are possible not only within a part, but also between parts.

New manual scanning workflow

New VMR workflow (for example Smart Teach)

Legacy

(from GOM Software 2018, not part-based)

A part is an object that will be measured or inspected. So far, this has been the project itself.

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How to activate the part-based workflow

1. Start with new project

∙ Create project

∙ Import existing VMR, etc.

∙ (Save as project template)

2. Start with existing project

∙ Load VMR project from GOM Software 2018

∙ Run migration script

∙ (Save as project template)

3. Start with project template from 1. or 2.

∙ Create project from template

Note: Project templates are not migrated automatically.

→ You can use the UpdateProjectTemplates script for migration


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GOM Scan

Measurements are at the top in the explorer

Polygonization type in name of the mesh…

PONTOS Live

Direct adding of a predefined component to the part

Clipboard can be used if content is unclear

Benefits of the New Default Workflow in GOM Scan and PONTOS Live

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Primary shaping processes (example: casting applications)

∙ Compare particular parts with their nominal data and analyze the assembly situation with other parts

∙ For example: Digital assembly of pattern plates and inspection of mold assemblies

∙ Further information: Assembly Situations in Primary Shaping Processes

Sheet metal industry (example: automotive applications)

∙ If you measure the front door and want inspect the gap between the door and the car body, a door is a part.

∙ If you inspect the assembly of the door itself, the inner shell of the door is a part.

∙ Further information: Advanced Inspection for Automotive Car Body Manufacturing

Part-Based Workflow – Application Examples for Digital Assembly

https://support.gom.com/download/attachments/54067340/gom-webinar_how-to-master-assembly-situations-in-primary-shaping-processes_EN.mp4

https://support.gom.com/display/DOCS/Advanced+Inspection+for+Automotive+Car+Body+Manufacturing

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Next Steps in Sheet Metal Inspection

Scanning optimization:

Restrict scan areas in case of reflections

High dynamic range mode (HDR+) for ATOS 5X

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Restrict Scan Areas in Case of Reflections

Main applications

∙ Highly reflective surfaces∙ Automation

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Motivation

On highly reflective surfaces, the user might have scan errors due to reflections.

Examples:

1. Double reflections between the fixture and the part

2. Direct reflections, triggering lens flares

3. Double reflections on the part (not addressed here)

What can the GOM Software 2019 do against the first two cases?

For the third application, the GOM software already offers Reflection Detection.


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What are lens flares?

Lens flares are double reflections inside the camera lens, created as a response to a bright light source. A bright light source can also be a direct reflection from a very shiny (e.g. coated) part.

Lens flares often create waves in the scan data.

Lens Flares

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New feature

Idea: Restrict the scan area to where the user actually wants to scan and avoid problematic areas that lead to scan errors.

Options currently provided:

∙ Restrict the scan area to the part

∙ Avoid scanning the fixture

∙ Avoid direct reflections

∙Only necessary on very shiny (e.g. coated) parts

∙ Indicators are star-shaped reflections from the part

The data source for the computation of the scan area restriction is CAD data from the part and the fixture.


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How to use

∙ Scan Area Restrictions is available for both manual and automated scanning

∙ Settings are controlled via Scanning Templates

∙ Override settings

∙For new measurements in the tab Camera

∙For measurement repetition using Edit Creation Parameters on a measurement or measurement series (automated scanning only)

∙ Unless the parameters change or the scan area restriction is manually reset, the scan area restriction is only computed once for each measurement and reused during measurement repetitions


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How to use

∙ Additionally the Define Scan Area view provides a new button to apply a scan area restriction. It can be manually edited afterwards.

Parameters

∙ Offset: The selected/deselected area is enlarged by this value to compensate for inaccuracy of the input data (CAD data of part or fixture) or the alignment

∙ Direct reflection limit angle: Angle between camera viewing direction and direction of reflected light


Projected light Reflected lightCamera

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Prerequisites

The new functionality is only available for the following sensors:

∙ ATOS 5∙ ATOS 5 Airfoil∙ ATOS 5X∙ ATOS Capsule

∙ The computation of the scan area is based on CAD data of the part and the fixture. Therefore this CAD data should be close to reality.

∙ Also, when computing a scan area restriction for a measurement, the alignment between this measurement and the CAD data should be as precise as possible.

Used alignments:1. Using the robot position and a calibrated measurement setup

(medium quality, low quality for small measuring volumes)2. Using reference points and an initial alignment, e.g. Best-Fit By

Reference Points or Prealignment (high quality)3. Using an initial alignment without reference points, e.g. Prealignment

(high quality)

Scan Area Restriction

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Manual scanning

∙ Reference points obligatory

∙ Initial alignment (prealignment) necessary after first measurement

Automated scanning

∙ When executing a measurement series without a computed initial alignment, the transformation by robot position is used for all measurements.

∙ When executing a measurement series with a computed initial alignment, the transformation by reference points will be used if possible. Otherwise the transformation by robot position will be used.

∙ For measurements using a transformation by robot position, a warning is shown in the project status. A solution command is provided, which recomputes the scan area restriction based on the current initial alignment.

Scan Area Restrictions – Applications

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Without scan area restriction With scan area restriction

Results Without and With Scan Area Restriction

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Motivation

Determination of exposure time(s) is often not an easy task.

New feature

HDR+ is available for manual and automated measurement when measuring with ATOS 5X.

The HDR+ mode is useful if you want to measure everything in a simple way.

The HDR+ mode is an exposure time mode that can capture almost everything in the entire possible range (only up to 128 ms).

High Dynamic Range Mode (HDR+) for ATOS 5X

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Main applications

∙ For manual measurement and complex objects∙E.g. sheet metal

∙ For automated measuring when the automatic exposure time calculation based on CAD is not possible

∙ Examples:∙ If a sufficient alignment between virtual and real measuring setup is not possible

∙ Or if the CAD representation is not sufficient

∙ The HDR+ mode is for a quick and easy start with resulting measuring data in highest quality.

How to enable the HDR+ mode

∙ For new measurements in the tab Camera∙ For repetitive measurements using Edit Creation Parameters on a measurement or measurement series(automated scanning only)

High Dynamic Range Mode (HDR+) for ATOS 5X

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Next Steps in Sheet Metal Inspection

New measuring principles:

Hole Geometry From Measuring Data

Improved measuring principles:

Hole Center Point From Measuring Data

Feature information within mesh

∙ Gray Value Feature (Mesh Adaptation)

∙ Hole Geometry From Measuring Data (Mesh Adaptation)

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Hole Scanning: Recommended Measuring Principles

Gray Value Feature

∙ Circular holes

∙ Manual scanning

∙ Single-layer sheet

Hole Center Point From Measuring Data(improved)

∙ Any shape∙ Any background∙ Any sheet layers

Hole Geometry From

Measuring Data (new)

∙ Rectangular/slotted/

circular holes

∙ Single-layer sheet

∙ Second sheet in

some distance

behind hole

Intersection Point Cylinder/Plane

∙ Circular holes∙ Deep inner ring∙ Any sheet layers

Projected Offset Section

∙ Pierced holes∙ Sufficient mesh

Determine position and size of a hole

Determine position of a hole

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Motivation

∙ Determine the actual geometry of punched or lasered rectangular and slotted holes on single sheets; determine the actual geometry of holes with a background sheet.

Prerequisites

∙ Only use this function if you have a VMR with automatic position generation.

New feature

∙ The new function Hole Geometry From Measuring Data is available in I-Inspect.

∙ You can, for example, determine the width or length of rectangular holes on sheet metal parts.

∙ You can have a secondary sheet in the background (distance between hole and secondary sheet at least 30 mm)

∙ Since the measuring principle uses the captured measurement images for computation, your project must contain the corresponding measurement series with the measurements even after the polygonization.

∙ Alternatively, use the new function variant Measuring Principle: Hole Geometry From Measuring Data (Mesh Adaptation). The software saves the information required for the measuring principle in the mesh after polygonization.

Measuring Principle: Hole Geometry From Measuring Data

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Increase element size

Now automatic if not manually enabled. Uses the CAD data to determine a suitable contour of the nominal element.

Since GOM Software 2019, automatic computation is the recommended procedure.

The figure shows the nominal circle C001b as an example. The circle is positioned on the surface of the sheet metal, but it is too small. The gray arrows show the (now automatically) enlarged contour of the circle. The green point is the resulting actual surface point.

Improved Measuring Principle: Hole Center Point From Measuring Data

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Motivation

Geometric hole information computed out of the gray value feature/hole elements from measuring data exist as separate geometric elements (e.g. circle, slotted hole). The mesh does not have a well-defined boundary at the hole, whereas the geometric element describes it perfectly.

∙ Sharing feature information between departments requires sharing the whole project or exporting the mesh along with the geometric elements.

∙ Using the data within 3rd party software was limited because it must handle both mesh and geometric elements.

Solution: Extending the mesh to the geometric element’s boundary during polygonization

Feature Information within Mesh


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Two new measuring principles were added, which leads to the expansion of the mesh smoothly up to the border lines of the features during polygonization.

This enables the user to:

∙ Recreate feature inspection from the mesh only

∙ Inspection is possible without measuring data

∙ Only the mesh needs to be exported for being usedin other applications



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Migrating from GOM Software 2018 to GOM Software 2019

∙ The new measuring principle is available in both part-based and non part-based projects

∙ Projects that have the Complete mesh up to border lines polygonization option set, keep it in the GOM Software 2019 version to allow backward compatibility.

∙ Since the polygonization option to incorporate features into the polygonization was removed, switching of the measuring principle is necessary if the project is migrated to the part-based project.

∙ Remove the Gray Value Feature measuring principle for features that you want to incorporate into the mesh and apply the new measuring principle.


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Surface Inspection

Reliable part assessment

Enhanced support of workflows without CAD Data

Improvements for surface defect map

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New feature: Reliable part assessment

∙Motivation: Surface defect map results are not easy to interpret.

∙Solution: From color plot to OK/NOK → Surface classification + merge classification.

New feature: Enhanced support of workflows without CAD data

∙Motivation: CAD not available to compensate shape effects on surface defect map results.

∙Solution: Comparison in trend project → Surface defect map comparison on actual stage.

Improvements: Surface defect maps

∙Motivation: Continuous enhancement of workflows and results.

∙Solution: More flexibility in surface defect map direction definition + better coverage.

Surface Inspection – Overview


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Motivation

Improve evaluation of a surface defect inspections

∙From color plot to objective and countable results

→ Analog step to auditing a part after physically

grinding.

Surface defect map “just” gives the defect depth information on a color plot.

∙Aim is to determine the number of defects and some properties like:

∙Severity

∙Geometry

∙Position

Applications:

∙Part assessment: Rating based on number of defects and their severity

∙Feature detection & positioning Examples: Welding points, casting pins

Surface Classification (New Feature in Professional Software)

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Motivation

∙ Improve evaluation of surface defect inspections

∙All the defects on the part at a glance

∙ Several surface defect maps can be needed to inspect a part:

∙Different areas

∙Different defect size

∙Different directions

∙ The classification combination unifies a set of classifications

∙Handling coincident defects

∙Showing a unified result

Classification Combination (New Feature in Professional Software)

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New functions are available under Inspection → Analyze Surfaces → Surface Defects

→ Surface Defect Classification

Surface Classification and Classification Combination

→ Merge Classification Results

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Motivation

Why comparison against another actual surface defect map?

∙CAD is not available or not usable.

For example, when scanning without fixture (expensive, increases inspection time), the deformation appears on the surface defect map.

∙ It is desired to compare against a master part.

Why compare several surface defect maps against another one?

∙Process monitoring

∙Compare same part at different process steps.

∙Find out responsible steps for defect appearance/worsening.

∙Example: Car body inspection at four steps - single sheet, assembly, after CDC (German: KTL), painted.

∙Quality assurance in production

∙Compare different parts against a master part (part accepted as valid by an auditor).

New feature

∙ The new feature is available under Inspection → Analyze Surfaces → Surface Defects → Surface Defect

Comparison On Actual Stage

∙ Comparison to CAD can be computed on the same project, if needed.

Surface Defect Map Comparison: Comparison on Actual Stage

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Motivation

∙ Cover existing car body inspection plans with some areas inspected perpendicularly to a design line.

∙ The inspection is done to detect problems on that areas, due to positioning variations during the stamping process.

Enhancement

∙ New option on surface defect map dialog

Surface Defect Map: Inspect Perpendicular to Defined Direction

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Motivation

∙ Defining the curve for the inspection is not straight forward and can lead to a lack of results in some areas.

∙ For some geometries, it is not possible to find a curve such that:

∙Follows the direction defined on the inspection plan.

∙The set of offset curves cover the area to inspect.

Enhancement

∙ The algorithm handles this internally

Surface Defect Map: Prevent Lack of Results

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Virtual Clamping

Add-on to

ATOS Professional and GOM Inspect Professional

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Part Measurement in Free State

Part Measurement in Clamped State

Status

Display of Part distortion Part deviation in clamped state

Information forToolmaking

Process optimizationAssembly

Final quality

Part Qualification Expenses Due to Multiple Measurements


Current state-of-the-art part qualification

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Evalution with original mesh Evalution with Virtual Clamping

Virtual Clamping Makes Clamping Fixtures Redundant

Idea of Virtual Clamping

Warpage is compensated mathematically, not physically.

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The Software Module Virtual Clamping Computes the Clamped State

Functioning of Virtual Clamping

Part qualification

Part distortion

1. CAD comparison

2. Deviation clamping points

Toolmaking

Process optimization

1. Creation displacement field

2. CAD comparison

Part deviation in assembly

Assembly

Final quality

Deformation model

Part digitizing

CAD model


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Functioning of gravity compensation

Input

∙ Measurement in an unclamped state

∙ Location of support points

∙ Direction of gravity

∙ Deformation model

Result of gravity compensation

∙ Measuring results in weightless state

Gravity Compensation Makes Non-Rigid Parts Weightless


MeasurementUnclamped stateHorizontal location

Weightless state

G: Gravity vector, GC: Gravity compensation

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Advantages of horizontal object positioning

Excellent part accessibility for optical measurements

Minimum number of scans

Use of reference points on the rotation table

Advantages of Horizontal Object Positioning on the Rotation Table


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Example: Non-Rigid Sheet Metal Frame


Integrated into the scanning template concept of the GOM software

GC: Gravity compensation, VC: Virtual Clamping

MeasurementUnclamped stateHorizontal location

Weightless state Clamped stateAssembly location

Unclamped stateAssembly location

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Evaluation of CT Data

New software for CT data acquisition

Volume polygonization in GOM Inspect (Professional)

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Motivation

In order to operate the new GOM CT sensor, a dedicated software package is necessary

GOM offers a new software package

Easy workflow from data acquisition to inspection in a single application

New GOM CT Software – From Data Acquisition to Inspection

Volume acquisition workspace Inspection workspace

Measurementsetup

Scan process&

volume reconstructionPolygonization Inspection

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Key features

Volume acquisition workspace

∙Complete workflow for volume acquisition and reconstruction

→ Object positioning assistant

→ Easy measurement setup/quality settings

On-the-fly GPU-powered volume reconstruction

∙Precise, fully automatic sensor calibration

Inspection workspace/volume polygonization

∙Polygonization quality settings

∙Parametric creation of individual meshes

∙Volume data compression and on-demand loading and processing

GOM CT Professional

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Polygonization quality

Volume polygonization command now offers quality parameters for the generated surface

∙Removal of noise (small particles, foam fixtures, etc.)

∙Thinning

∙Smoothing

Parametric mesh creation

Individual meshes created from volume data sets are now parametric

∙Edit Creation Parameters of volume polygonization now available

∙Replacement of volume data and automatic update of polygonization

Volume Polygonization – New Features for GOM Inspect (Professional)

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Polygonization performance

Volume polygonization (single- and multi-material) is three times faster compared to GOM Inspect 2018

Volume storage

Compressed data storage in project

∙ E.g. full resolution scan: 90 GB of measurement data → 45 GB RAW volume → 35 GB project size

Cached and partial volume loading

∙ Fast project loading (only volume element specification – no voxel data)

∙ On-demand loading of volume data (load data when needed)

∙ Only required data is loaded (faster loading) and loaded data is cached (faster access)

∙ Benefit: Polygonize volume data that is larger than available system memory!

Volume Polygonization – Performance in GOM Inspect (Professional)

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3D Metrology

New features and enhancements

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Calibration

Extended reference point volume for ATOS 5, ATOS 5X & ATOS 5 Airfoil

Quick recalibration for ATOS Compact Scan with large measuring volumes

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Motivation

Keep the surface in the center of the measurement (sweet spot).

Don’t cover the surface with the frame.

Still get reference points for the measurement transformation.

Enhancement

With an extended calibration, reference points are identified in an area up to twice the size of the measuring volume.

Calibrating with up to ten additional positions.

Skip positions in the extended area if you cannot reach the position or the reference points get blurred too much.

Available for ATOS 5, ATOS 5X and ATOS 5 Airfoil

Extended Reference Point Volume for ATOS 5, ATOS 5X & ATOS 5 Airfoil

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Motivation

Travel with a small system but large measuring volume, calibration panel CP40 is the biggest part.

The normal calibration process takes its time.

Enhancements

Quick recalibration is available for ATOS Compact Scan with large measuring volumes.

The new function is available under Acquisition →Sensor → Calibration → Recalibrate Sensor.

Use a calibration cross

Make five measurements to recalibrate the sensor.

The sensor setup must not have changed since the last full calibration (same lenses, same measuring volume).

Quick Recalibration for ATOS Compact Scan with Large Measuring Volumes

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Photogrammetry and Reference Point Identification

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Motivation

The software sometimes wrongly identifies numbers/letters, reflections, geometries, dirt and material patterns as reference points in the photogrammetry.

Consequences of wrongly identified reference points:

∙ Less precision for all points

∙ More computation time for the bundle adjustment

∙ More effort when inspecting the point cloud

∙ Quality measures (e.g. theoretical point precision) are distorted by wrong points

Removing the points is time consuming in a manual workflow and impossible in an automated one.

New feature/enhancement

∙ New image point identification method

∙ Improved reference point diameter computation

∙ Stricter filtering of reference points by diameter

Reference Point Identification

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Enhancement

New method – Gray value adjustment:

∙ More precise ellipse center coordinates

∙ Better filtering of wrong ellipses by Adjustment Residual

∙ More accurate ellipse radii

∙ Longer computation time

∙ Active by default except for ARAMIS and GOM Correlate projects

∙ User-defined reference point settings now contain

∙Option to switch between methods

∙Residual limit for new method

∙ Edit Creation Parameters of photogrammetry measurement shows per-point residual (formerly accuracy) for the used method

Reference Point Identification Gray Value Adjustment (New Method)

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Manual Scanning – New Workflow

Scanning templates

Reference point setting

Measurement quality & scanning performance

Preliminary mesh with low resolution

Display of measuring results

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∙ Bundles all settings

∙ Settings are documented and can easily be shared

∙ Categorizable and derivable parameter sets

∙ Asked upon first measurement

∙ Predefined sets available

Scanning Template

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Motivation

∙ You need to set the point size correctly

∙ Software recommends reference point sizes, but interaction needed

New feature

∙ Automatic reference point size assignment

→ Reference point size will be recognized in first scan

and inscribed in the Acquisition Parameters

Reference Point Setting

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Motivation

∙ Whole measurement list is (fine-)aligned after each scan in previous software versions

∙ Stability/Quality result only available after computation in previous software versions

∙ Performance should not decrease with the number of measurements

∙ Disabling auto recalc does not reveal quality information in previous software versions

Enhancements

∙ Local set of measurements is (re-)aligned

∙ Quality results are immediately present

∙ Overlay icon displays result

∙ Adapts size if remote is connected

Measurement Quality & Scanning Performance

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Preliminary Mesh with Low Resolution

Motivation

∙ Enable users to have instant results on their inspections

∙ Results are generated only at one place

∙ Preview should reflect the final mesh as good as possible

In previous software versions

∙ Fast inspection only possible on measurement series

∙ Results are more noisy and measuring artifacts are visible

∙ Only a few construction/check calculations were supported

∙ Polygonization required for complete inspection

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New feature

∙ A complete mesh is generated in the background while scanning

∙ Data always located at the (actual) part

∙ Contains parameter set for creation

∙ Quick evaluation of all inspections including fitting elements and

sections

∙ Exclusion of data is done on the preview mesh via selections

∙ Preliminary state is notified in Status Information

∙ Hint in Status Information

The mesh is still in preliminary mesh with low resolution

∙ Fallback to low resolution only if measurements are modified

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∙ Better quality than on measurements

∙ Data averaged similar to final mesh

∙ Deviations are only present in high curvature areas

∙ Sufficient for rough inspections

But: Reporting and exporting is prevented


Measurements Preliminary mesh Final polygonization

Deviations to final mesh

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Display of Measuring Results



∙ 3D measuring view limited to order of scan sequence

∙ No additional information could be added

∙ Results were not reportable

Enhancements

∙ Display measuring results in a new way

∙ Sort by column such as quality

∙ Configure which columns you want to show

∙ Undock from main window for use on second screen

∙ Can be added to report

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Automation (VMR)

New generation VMR workflow

User guidance in measuring process

Scanning templates

Smart Teach – Next generation of automatic teaching


Overview of CAD surface types

Update measurement parameters


Create scale bar as VMR fixture

Reference point types

Acquisition parameters

Robogrammetry

Check fixture position

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Motivation

∙ Guiding the user

∙ Simplifying the teaching process

∙ Reducing programming time

∙ Easier maintenance of project templates (CAD update, measurement plan updates)

∙ Speed up the whole process

New way of working with measurements

∙ The software takes care about the teaching and scanning in the backgroundand provides you with a mesh that fits to your inspection tasks.

∙ You concentrate on the inspection.

∙ You are notified if there is any action you should do or any problem you should know about.

∙ Change from a VMR toolkit to an intelligent VMR module,which is aware what you are doing and supports you intelligently.

New Generation VMR Workflow

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How to activate the part-based workflow

When to activate the new workflow

New programs should be created in the new workflow

→ Run migration script on the empty VMR template

Recommendations for existing programs:

∙ Existing programs can stay in the old workflow, no need for migration

∙ Migrate to new workflow if bigger adaptions are needed.Examples:

∙Bigger changes in measurement plan

∙New sensor

∙Modification/move of measuring cell

∙ Migrate to new workflow if frequent adaptions are needed

∙Changes are easier to handle with Smart Teach

New Generation VMR Workflow

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New explorer layout

Measuring environment

∙ Auxiliary elements for teaching & scanning

Measurements

Part

∙ CAD data

∙ Mesh

∙ Elements

∙ Alignments

Reports

Tags

User Guidance in Measuring Process

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Measurement series is split into three elements

Possibility for separate recalculation

∙ Nominal if measurement plan has changed

∙ Path if collision data has changed

∙ Actual if actual parameters have changed

Nominal and actual are clearly separated

∙ Change of nominal (measurement planning)does not modify current actual datauntil next execution of measurement series

∙ Useful in optimization phase

Table shows which measurements have changed


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Measurement series is split into three elements


Nominal measurement series

∙ For measurement planning

∙ Defines how and where to measurefor the next execution of themeasurement series

∙Acquisition parameters

∙Sensor positions in 3D (regardingCAD coordinate system)

∙ Changes have only effect on thenext execution of themeasurement series, current actualdata is not changed

Measurement path

∙ For measurement planning

∙ Defines how the robot must moveto reach the nominal sensorpositions

∙ Defines the order of themeasurements

∙ Additionally contains home and intermediate positions

∙ Depends on VMR and measuringsetup

Actual measurement series

∙ Result of data acquisition,basis for mesh computation

∙ Stores the actual measuring data ofthe last execution of themeasurement series

∙Measuring data, result data, residuals, etc.

∙Used parameters

∙Used position in 3D

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Measurement series is split intothree elements

∙ Measurement cameras in 3Drepresent the nominal position(blue)

∙ Visibility can be switched inexplorer


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Dedicated views optimized forspecific tasks

∙ Measurement explorer replaced by:

∙ Status Information

∙ Measurements table

∙ VMR Timeline

∙ Relates To


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Dedicated views optimized for specific tasks

∙ Project status

∙ Status Information

Status Information can inform you about

∙ Measurement quality

∙ Collisions in VMR

∙ Estimated scan coverage

∙ Computation state of elements

∙ Elements not included in reports

∙ …

Suggestion of possible solutions

∙ For some hints, status information suggests possible actions

∙ Sometimes there are multiple possible actions, e.g., exclude measurements from polygonization

∙ Less severe hints can be accepted


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Dedicated views optimized forspecific tasks

Task: Examining measuring data

→ Measurements table

Task: Examining a robot path

→ VMR Timeline

User Guidance in Measuring Process – Measurements

Superior to measurement explorer:∙ Configure the columns you want to see∙ Sort by most interesting column

Superior to measurement explorer:∙ Click or drag at any position in the robot

path∙ Play button∙ Change simulation speed∙ Shows times (estimated/real)

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Dedicated views optimized for specific tasks

Task: Searching a related element

→ Relates To explorer

Work with the Status Information, 3D View and Relates To.

The element explorer is not recommended as a centralworking tool.


∙ See elements captured by selected measurements

∙ Or measurements capturing selected elements

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A scanning template is a collection of parameters related to scanning

∙ How should a mesh be polygonized (less details, …)?

∙ How should acquisition settings be set (exposure time mode, quality, …)?

∙ How should Smart Teach measure elements (redundancy, …)?

Use for…

∙ Similar parts with similar characteristics

∙ Not the same part! (→ project templates)

GOM supplies you with application-specific system templates:

∙ Sheet Metal

∙ Airfoil

∙ Casting

∙ …

Scanning Templates

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GOM Software 2019: Smart Teach

One-click-solution (all-in-one)

∙ Position creation + path optimization

∙ ATOS + photogrammetry

∙ Robogrammetry for double robot measuring cells

Just choose the scanning method with respect to the reference points

Smart Teach – Next Generation of Automatic Teaching

∙ Creates ATOS + photogrammetry∙ Assumes reference points on fixture∙ Requires scale bars as fixture

∙ Creates ATOS only∙ Loads reference points as refxmlor uses reference frame

∙ Creates ATOS only (for small parts)

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GOM Software 2019: Smart Teach

Fully parametric

∙ Measurements are linked to “their” nominal elements

∙ Measurements are always up-to-date −automatically recalculated if elements change:

∙New measurements created if needed

∙Existing measurements changed if needed

∙Measurements deleted if no more needed

∙ Path is optimized automatically

Smart Teach – Next Generation of Automatic Teaching

Dependencies

CAD

Nominal elements

VMR

Measuring setup

Smart Teach

Measurement positions

Path

Reference points

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Influence Smart Teach by element. For example:

∙ Should it be considered at all?

∙ Is Fast scan sufficient?

∙ Should it be redundantly covered?

∙ How should the sensor be positioned?

Parameters are taken from Scanning Template by default.

Can be modified on individual elements (by experts).

Buttons below the parameters for storing/retrieving from scanning template.

Influencing Smart Teach: Teaching Settings for Elements

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∙ Positions are no longer created for surface comparisons

∙ Positions are directly created for CAD

∙ By default (can be changed via Teaching Settings):

∙Enabled, can be disabled

∙Rough coverage, fast computation

∙ Patch compounds can be used to create positions for a selection(Construct → Surface → Patch Compound From CAD)

Changes in Position Creation for CAD

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Again: Same parameters as in the chosen scanning template.

Effects:

∙ Definition how “Smart Teach“ creates new automatic measurements.

∙ When changing the parameters, existing nominal measurements are adapted accordingly.

Influencing Smart Teach: Parameters for New Measurements

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Sometimes elements cannot be captured, for example

∙ Partially hidden by fixture

∙ Not reachable for robot

Solution:

Inform the user and allow to attempt to capture with relaxed conditions.

Currently available for:

∙ Gray value features

∙ Surface points

Changing Teaching Settings Using Status Information

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Optimize measurement positions

∙ Removes unusable positions

∙ Adds missing positions if necessary

∙ Takes actual reference points into account to get stable positions

∙ For photogrammetry series, the positions of actual reference points are used to check if they are measured often and good enough.

∙ For ATOS series new positions for not fully (virtually) captured elements are created. Computation state of actual elements is not yet evaluated or considered.

Possible Action for Measurement Warnings

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Increase coverage redundancy

∙ Adds more measurements for selected element.

∙ Adapts Teaching Settings so changes are parametric

Possible Action for Gray Value Features

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You don’t like automatic updates in recalc?

You want full control?

∙ Disable automatic updates after initial creation (F4)

∙ or use alternative single-shot command without parametrics: Automation → Teaching → Create

Measurement Positions for selected elements

∙ Or use Manual teaching (Shift + LMB)

∙ Manually taught positions are not changed (no parametric).

∙ Automatic updates are disabled for old projects migrated to parts workflow

Recalc Behavior in the New VMR Workflow

Automatic update of…

Coverage Information

Measurement Positions

Smart Teach + +

Manual Teaching + -

Migrated from legacy project

- -

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Project templates

When creating a template from a project, Update measurement positions is set to Manual for all series.

Status Information offers to return to Automatic if newly created elements are captured insufficiently.

Recalc Behavior in the New VMR Workflow

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CAD surfaces can be defined as non-measurablesurface

∙ Non-measurable surfaces are used in collision checks

∙ Measuring them is not possible

∙ Measuring through them is also not possible

∙ They work like the visualization CADs in GOM Software 2018

∙ Example: Windows of a car

Non-Measurable Surfaces

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Overview: CAD Surface Types

CADNon-MeasurableCAD Surface

VMR Fixture

Scale Bar as VMR Fixture

CollisionObject

VMRClipboard Element

Collisioncheck

+ + + + + + -

Occludesothersurfaces

+ + + + - + -

Can be measured

+ - + + - - -

Can beinspected

+ - - - - - -

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In part workflow

∙ One place to edit all measurement-related parameters

∙ Edit Creation Parameters for all three elements:

Nominal measurement position

Actual measurement

Path position

Update Measurement Parameters

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Acquisition: Parameters for next execution

Reference points: Captured reference points

Scan points: Computation parameters for scan data

Automation: Parameters for automation device

→ New: Breaks and delay for each measurement individually adjustable!


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Update exposure times with Live view in Edit Creation Parameters

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Changes will disable automatic updates for that measurement

∙ No automatic parameter changes

∙ No automatic deletion


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Overview of changed measurements

Hint in Status Information if new execution is needed

Execute Changed Measurements

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Measure only changed positions

Direct move

Faster execution of measurement series if only some few measurements have changed.

Execute Changed Measurements

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Motivation

∙ Enable users to have instant results on their inspections

∙ Results are generated only at one place

∙ Preview should reflect the final mesh as good as possible


∙ Fast inspection only possible on measurement series

∙ Results are more noisy and measuring artifacts are visible

∙ Only a few construction/check calculations were supported

∙ Polygonization required for complete inspection

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New feature

∙ Teaching process

After scanning, a low resolution mesh is calculated automatically fromthe measuring data

∙ Series measurements

When using project templates, the final polygonization is calculatedimmediately, no preliminary mesh with low resolution.

∙ Data always located at the (actual) part

∙ Contains parameter set for creation

∙ Quick evaluation of all inspections including fitting elements and

sections

∙ Exclusion of data is done on the preview mesh via selections

∙ Preliminary state is notified in Status Information

∙ Hint in Status Information

The mesh is still in preliminary mesh with low resolution

∙ Fallback to low resolution only if measurements are modified

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New feature

∙ Better quality than on measurements

∙ Data averaged similar to final mesh

∙ Deviations are only present in high curvature areas

∙ Sufficient for rough inspections

But: Reporting and exporting is prevented


Measurements Preliminary mesh Final polygonization

Deviations to final mesh

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The scale bar as VMR fixture can optionally contain a scale bar definition.

Benefits

∙ Create the scale bars as VMR fixture and the scale bar definition in onesingle step.

∙ No parameter dialog anymore when creating a photogrammetry for VMR. New photogrammetry series use the scale bars as fixture.

Defining scale bars at actual measurement series is still supported.

Place on real scale bar

The status information shows a warning when the scale bar as VMR fixture is too far away from the measured scale bar points.

∙ Possible Action in Status Information: Place Scale Bars in VMR On Real Scale Bars

∙ No Place On Real Scale Bar button in the Create Scale Bar as VMR Fixture dialog anymore

Create Scale Bar as VMR Fixture

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Nominal reference points of a part

∙ Points as destination of an alignment (mainly Best-Fit By Reference Points)

∙ Not used by "Smart Teach" or during scanning

Reference Point Types

Pre-measured reference points∙ Physically existing points∙ Imported from a photogrammetry (REFXML) or from a reference point frame∙ Used by "Smart Teach" for measurement planning∙ Used for aligning measurements during scanning

Simulated reference points∙ Planned points, do not exist in reality∙ Used by "Smart Teach" for measurement planning

Reference points at actual measurement series∙ The points that are used for aligning measurements during scanning∙ Copy of pre-measured points and/or collected from scan measurements

Actual reference points of a part∙ Real measured points from other sources that should be evaluated

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∙ Smart Teach creates measurement positions withrespect to reference points

∙ They are created such that they will capture enoughreference points if possible

∙ Smart Teach uses pre-measured or simulated pointswhen they exist

∙ Smart Teach automatically creates simulated referencepoints when needed

Simulated reference points

Two options for manual creation of simulated referencepoints:

∙ Compute positions on CAD or fixture or selected area

∙ By clicking in 3D view

Reference Points and Smart Teach


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Motivation

∙ Make life comfortable

∙ The user should not be forced to define parameters

∙ The software selects the most common settingsautomatically

∙ Resetting the parameters when removing measured datacannot be forgotten

Enhancement

Automatic identification of the reference point type

∙ Is identified in the first measurement with a sufficientnumber of points

∙ Is automatically reset when all actual data is removed

Collect reference points automatically

∙ Disabled with photogrammetry

∙ Disabled with pre-measured reference points in automatedsystems

∙ Enabled in all other cases

Acquisition Parameters

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Integrated in Smart Teach

Available for double robot measuring cells

Everything is parametric:

Changing the measurement plan will trigger a recomputation of the measurement series and simulated reference points

No „Create Robogrammetry Measurements“ scriptanymore.

Robogrammetry

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Workflow

1. Import VMR, fixture, CAD, measurement plan

2. Create all measuring setups

3. Smart Teach

Result

∙ Simulated reference cube positions

∙ Linked measurement series(one for each measuring setup)

∙ Measurement positions are distributed optimallyamong the measurement series

Robogrammetry

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Measuring in an open project is possible now.

∙ Project template creation is not necessary (and not possible when a preliminary mesh exists)

∙ Call the DRC script when a project is open

∙ Select the measurement series

∙ Wait for execution

∙ The measurements from the other side areautomatically copied into the current project

Double Robot Cell Script

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Automation (VMR)

Check fixture position

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Motivation

∙ Requests to check the position of a fixture

∙ Better comparison between VMR and reality

∙ Solution for collision avoidance

New features

1. Step – Setup: Implemented as system script solution

2. Step – Execution: Integrated in KIOSK Interface

Prerequisites

∙ For new sensors:

∙ATOS Capsule (ATOS ScanBox 4105)

∙ATOS 5

∙ATOS 5X

∙ATOS 5 Airfoil

∙ Check executed in KIOSK Interface

∙ In part-based workflow only

Check Fixture Position


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Workflow

Correct setup of fixture with reference points

Sensor positions

∙ In home position only the sensor is rotated

Collection of reference points

∙ Collects all reference points without depth limitation

Collected actual reference points

∙ Converted into nominal reference points

∙ Fixed reference point positions in CAD coordinate system

∙ Used as reference for consecutive measurements

Check Fixture Position (Workflow – General)


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System Script

Automatic position generation

∙Min. 2 up to max. 4 positions

Manual positions possible

Feedback of usability of measurement positions

Remaining elements in template:

∙Check Fixture Position measurement series (without measuring data)

∙Definition of measurement positions as reference

∙Nominal components

∙Definition of reference point positions as reference

Check Fixture Position (Workflow – Setup)


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KIOSK Interface

Automatic execution preconditions

∙ Config file entry needs to be enabled

∙CheckFixturePosition = True

∙ Measurement series and components which were created with system script

Executed and tested before normal measurement starts

Execution procedure

∙Running the predefined ATOS measurement series

∙Evaluating components for position check

Check Fixture Position (Workflow – Execution)


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Case “fixture position is correct”

∙ Measurement execution will start directly

Case “fixture position is not correct”

∙ Difference of fixture position in translation or rotation possible

Next steps

∙ Correct fixture position with given instruction

∙ Retry evaluation procedure

∙ Measurement execution will start with correct fixture position

Check Fixture Position (Result – KIOSK Execution)


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Third Party Enhancements

Extend3D projector support

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Motivation

Create a solution in GOM Software to

communicate to other software

Let 3rd party offer a result projection

Solution based on the GOM Software 2019

Requirements

∙ Works in GOM Inspect Professional

∙ Requires Extend3D projector and software

∙ Is based on coded markers

∙ No further setup required

∙ .ginspect project with coded markers

Extend3D Projector Support – Werklicht Pro

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Create your GOM Software project

Keep coded point markers on part

Have either Windows tablet build-in webcam, …

… or use any USB webcam you would like

Have Extend3D software and projector up and running

Start GOM Software after plugging in webcam

Load project and activate special image mapping mode “augmented reality”

3D view of GOM Inspect Professional is projected onto real part

Extend3D Projector Support – How it works

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Orthogonally averaged section for high-resolution section enhancements

Third Party Enhancements

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Motivation

∙ Surface roughness on high resolution measurements

∙ Sections vary with their position, even on homogenous surfaces

∙ Request for a more robust way for sectioning in these cases

New feature

∙ Smoothing of a given section orthogonal to its running direction

∙ Robust with respect to orthogonal distortions

∙ No accuracy loss in running direction

∙ The new function is available under Construct → Section →Other → Orthogonally Averaged Section

∙ Also available as measurement principle for nominal curves

Prerequisites

∙ Within the averaging band, the geometry should be almost curvature-free in orthogonal direction to get perfect results

Orthogonally Averaged Section


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GD&T and PMI Exchange

Revised line profile evaluation

Support of restricted portion

Composite tolerancing

Slotted holes under material requirements

PMI exchange

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Motivation

For the GOM Software 2019, more than 100 customer wishes were converted into new software functionalities

Main enhancements

∙ Revised line profile evaluation

∙ Support of restricted portion

∙ Composite tolerancing

∙ Slotted holes under material requirement

GD&T – Overview of Improvements

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Motivation

In the past, many questions on line profiles arose

In short, line profile construction was too complicated

Line Profile Improvements – Overview

How can I constructa line profile that isnot parallel to the primary datum?

Can I evaluateradial sections?

I’d like to constructa line profile on a curve, not on a

section.

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Nominal and actual section planes are now transformed to each other

∙ That means no warning about wrong distance

anymore

Sections can have an arbitrary angle to the first plane of the datum system now, as long as the datum system restricts the movement away from the common section planes

∙ That means no more warnings about non-parallel sections

Line profile evaluation on cylindrical or conical sections is possible now

Line profile evaluation on curves is possible now

Line Profile Improvements – Curve-Based Evaluation

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More options to create line profiles on surfaces

∙ User-defined direction that is not parallel to the first datum is possible now

∙ Number and location of the sections can be chosen by the user

New options in detail

∙ Nominal plane to established direction

∙ Offset from nominal plane to define center plane

∙ Number of created sections

∙ Distance between two sections

Distance and number of sections can be

∙ Computed automatically

∙ Defined by the user

Line Profile Improvements – User-Defined Planar Sections

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Line profile on radial sections are now possible

Radial sections are planes going to a common axis and

having a given angle between each pair

New options in detail

∙ Nominal common axis

∙ Number of created sections

∙ Angle between two sections

Distance and number of sections can be

∙ Computed automatically

∙ Defined by the user

Line Profile Improvements – User-Defined Radial Sections

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Main application: Contacting object that move across another object

Example: Slide moving on a rail

∙ Tight tolerance on flatness is needed wherever the slide contacts

∙ Specifying this tight tolerance over the whole part makes production expensive

∙ Solution: Tolerance on any restricted portion

Other application: Find local deviations hidden by global deviation

Example: Local roundness on an oval

Form Tolerances on “Any Restricted Portion” – Motivation

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“Any restricted portion” is supported for the following form tolerances:

Straightness

∙ On any length

Roundness

∙ On any sector

Cylindricity

∙ On any length

∙ On any sector

Flatness

∙ On any length

∙ On any rectangle of length x width

Restricted Portion – Form Tolerances

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The actual data is divided in a set of overlapping portions of the given size.

Cylinders, cones, and circles: Needed direction (or axis) is taken from the Gaussian fitting element.

For planes, an additional orientation has to be supplied. This is in turn projected on the Gauss fitting plane.

Compute GD&T tolerance for each portion

(Possibly long computation times!)

Overall result is given by the sub-tolerance with the largest deviation value.

The tolerance zone is visualized at this worst sub-tolerance

Each point displays the largest deviation value it has over all the sub-tolerances that it was a part of.

Restricted Portion – Implementation

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Tolerance zone visualization and the color deviation plot can now be activated independently

Helps interpreting the results of tolerances, especially when using restricted portions

Option to Show Both Zone and Color Deviation

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Example: Compute the distance from an instable plane

∙ Task: Compute the distance of the middle plane to the upper plane

∙ Problem: Upper plane is narrow and therefore the direction is instable

∙ Solution: Use the other more stable plane to estimate the direction and estimate the location of the narrow plane only

∙ To achieve this task, ISO introduced a new datum modifier “><“

“><“ modifier can now be chosen in the datum system dialog

Datum Modifier “><“

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ASME computation mode introduced

∙ TED pattern computation

∙ Surface profile computation

ASME Mode for Pattern and Profile

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Composite tolerancing in a nutshell

∙ ASME differs between multiple single segment tolerancing and composite tolerancing for TED pattern and surface profiles

∙ „Multiple single segments“ means that each tolerance indication is an independent tolerance

∙ „Composite tolerance“ means that the total of all indications specifies the tolerance

∙ The upper check (also called PLTZF = Pattern Locating Tolerance Zone Framework) is orientated and located in respect to the given datum system

∙ All other checks (also called FRTZF = Feature Relating Tolerance Zone Framework) are only orientated but not located due the given datum system

Composite tolerancing is now possible in the GOM

software

Composite Tolerance

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In GOM Software 2019, each connected check has to be created independently

∙ This means, there is no dialog where you can enter all checks at once

∙ For this purpose, some new expert parameters are available

Composite Profile – Implementation

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Planes, Lines, Origin and Direction can now be used in any widget handler

Note: Providing elements depends on the remainingdegrees of freedom of the datum system

In addition, an actual datum system now delivers thenominal counterpart, if available. There is no need tocreate a nominal datum system seperately

That means, you can create an alignment from a single datum system

Datum System Planes/Lines/Points Can Now Be Used in Dialogs

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Define virtual gauge from

∙ Length dimension and associated tolerance

∙ Width dimension and associated tolerance

∙ Tolerance entries in the feature control frames

No points of the actual hole may violate the virtual gauge

Slotted Holes Position Tolerances under Material Requirement

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A tolerance in the GOM Software requires:

∙ Hole on a section

∙ Length and width checks with tolerances

∙ Check position under material requirement

∙ Tolerances for length and width can be specified separately

Slotted Holes Position Tolerances under Material Requirement

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Motivation

Reduce required user interaction and recalculation steps

Better integration with parametric scanning

Enhancement

Automatic creation of measuring principle “Fitting Element” for all patch-based geometry elements (for example cones, cylinders, …)

∙ For patch compounds: Decrease selection at borders can be triggered by specifying “DSB [floating point number]” in one of the four text fields at the tolerance. The provided number is interpreted as mm.

Support for new GD&T features “any restricted portion” and “composite pattern/profile”

Profile tolerances

∙ Support of ISO style “UZ”

∙ Support of “CZ” (as “unified feature”)

∙ Support of “all over” modifier

PMI Exchange

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Motivation

Reduce required user interaction and recalculation steps

Better integration with parametric scanning

Enhancement

Option to automatically delete created elements from previous CAD import on CAD exchange

Import errors appear as status information

References to CAD patches no longer become invalid after CAD exchange in part workflow

∙ Find best matching CAD body for reference mapping(fall back to nominal part)

PMI Exchange

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3D Testing Applications

Benefits of the new workflow

Crack tip detection

Contour detection

Further improvements for testing applications

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Measurement at top

Clear separation

∙ Measurements

∙ Evaluation (Part)

∙ Report

Possibilities to use the part in the future

Benefits of the New Workflow in ARAMIS Professional/GOM Correlate

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Motivation

Field of interest in materials testing: Crack propagation

Field of application

∙ Aerospace

∙ Automotive

∙ Materials research

∙Metals

∙CFK

∙Plastics

Requested checks:

∙ Length of crack

∙ Location of crack tip

∙ Crack width

∙ Crack mode

Crack Tip Detection


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New feature

∙ Creates a “point” which is fully integrated as a “normal” point

∙ Inspections and (depending) elements can be created

∙ Distinction between compact tension (CT) and middle tension (MT) specimens is possible

∙ Contrast-based method with additional matching

∙ Works on homogeneously colored specimens

∙ New function is available under Scripting → Script Choice → Testing →

Crack Tip Point

Crack Tip Detection


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Combination with speckle pattern

∙ Multi-sensor setup: Simultaneous measurement of the homogeneous and patterned side of the specimen

∙ Additionally, measurement of strain, crack width, crack length

Crack Tip Detection


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Motivation

∙ Important for airbag deployment tracking:Unfolding behavior shortly after ignition

∙ Fields of special interest: Maximum displacement, maximum velocity, main direction vector

∙ Up to now, automatic contour detection was not possible. A complicated workaround with manual estimation of the most distant point was possible.

Contour Detection


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New feature

∙ Contrast-based contour finder

∙ Creates a section element at a found contour

∙ Only for 2D projects

∙ Automatic distinction between light (airbag) and dark contours (holes)

∙ Creates a “curve” which is fully integrated as a “normal” curve

∙ Inspections can be performed and (depending) elements can be created

∙ New function is available under Scripting → Script Choice → Testing → Contour From Image Points

Contour Detection


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Further applications

∙ Outlines of expanding holes

∙ Contours of other deforming objects

Contour Detection


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3D Testing Applications

Adaptive polygon for surface components

Surface comparison against CAD using surfacecomponents

Exaggerated representation of inspections

Further improvements for testing applications

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∙ Drag, scale and rotate your complex polygons

Adaptive Polygon for Surface Components


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Inspect the deviations of yoursurface components againstCAD

Surface Comparison Against CAD Using Surface Components


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∙ Exaggerate the representation of your inspections in the 3D view dynamically

∙For example: Deviation against CAD

Exaggerated Representation of Inspections


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∙ Check surface components for coordinates

∙ Per default, checks for coordinates, displacements, distances and angles are now “against 0“

∙ Improved workflow for thermographic measurement integration (orientation of “other images“ is now possible in ARAMIS)

∙ 2D scaling improvements in workflow:

∙Button for scaling in main toolbar

∙Better template handling (scale is taken into account for new stages)

∙ Accidental movement of report placeholders is deminished

∙ GOM Snap: A preview of surface components is possible now

Further Improvements for Testing Applications


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General Features and Improvements

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Scripting

Process-based Python interpreter

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Objectives

∙ All available Python packages and extensions must work

∙ Easy access to large datasets

Enhancements

∙ Python interpreter runs in separate process by default now

∙ Full compatibility for all existing scripts

∙ Bulk access to various element data

Process-Based Python Interpreter

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Import & Export

Improvements and new features

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Support of GD&T for DMIS

∙ All standard export templates

∙ Including material requirements (MMR, LMR)

∙ Datum systems as labels

Restrictions

∙ Depending on the supported geometry types

∙ No support of surface and line profiles on patch compounds or sections

DMIS is a geometry-based export

(select geometries for export)

DMIS Support for GD&T

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Motivation

Various customer requests for small to big changes in their header data.

Instead of adapting XSLT templates enable editing directly.

Enhancement

Editor for creating new DMIS header templates

∙ Token editor (F2)

∙ Expression editor (RMB)

Enable editing of

∙ Global header

∙ Global footer

∙ Extra header for nominal elements

∙ Extra header for actual elements

DMIS Header Editor

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Import data as actual data from other systems (e.g. Zeiss Caligo) for further processing in the GOM software

New option for importing data from a CATIA-List CSV as actual data

For automatic linking of actual elements against existing nominal elements, the “replace” option has to be used at import

CATIA-List CSV: Import as Actual Data

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GOM is member in the ProSTEP 3D MDM workgroup

I++ implementation is driven by customers

Improvements of I++ Import (V. 2.1) – which is already supported in GOM Software 2018

Import of inspection plan, product structure and inspection task data

Import of actual data

File-based export of

∙ Zip container

∙ Nominal data (I++ Inspection Plan)

∙ Actual data (I++ Inspection Results)

∙ Export can be enabled and adapted for interested customers (currently GOM License)

∙ No plans for support of Web-Service-Interface

I++ Import/Export was tested successfully with customer

∙ Import into/export from eMMA Analyst

∙ eMMA = enhanced Measure Managemant Application from Hexagon/Q-DAS

I++ Import / Export

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If you work with a measurement plan from an external source, changes are shown

Exchange Measurement Plans

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New Visualization Options

Local coordinate system as viewing coordinate system

Section view

Cross section on curve inspection

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Motivation

∙ Checking elements in a coordinate system other than the “Global coordinate system”

∙ Switch between the local coordinate system and the global coordinate system

Detailed questions revealed what customers would really like to achieve:

∙ Creating reports with axis-aligned views to local coordinate systems

∙ Support hole position label in different coordinate systems

∙ Export mesh geometry data in different coordinate system for 3rd party programs

∙ Ease the use of defining data according to local coordinate systems

Local Coordinate System as Viewing Coordinate System

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New feature

∙ Local nominal coordinate systems or nominal datum systems can be used as viewing coordinate system

∙ 3D view indicates if local coordinate system is used for viewing

∙ Labels can be adapted using keywords

Activate/Deactivate via context menu on nominal coordinate systems

Activate/Deactivate via drag & drop on nominal coordinate systems

Local Coordinate System as Viewing Coordinate System – Usage

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Specify rotation angles directly at the coordinate cube if the rotation around axis is activated

Coordinate Cube Enhancements

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Viewing coordinate system is selected in the dialog by default

Easier definition of coordinates or checks regarding a viewing coordinate system

Clicking coordinate cube directions is deriving parametric direction for widget handler

Presetting of Viewing Coordinate System in Creation Dialogs

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Rotation can be specified directly during construction

Easier Construction of Rotated Coordinate Systems

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Motivation

Export meshes in different defined coordinate systems

Enhancement

New menu item Coordinate system in mesh export functions

∙G3D

∙STL

∙POL

∙PLY

∙JT Open

Choose coordinate system in which you want to export the mesh

The new function is available under File → Export → Mesh.

Export of Mesh Geometry into Different Coordinate Systems

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Motivation

∙ Request to print section-based inspections vectorially in a certain scale, in particular 1:1

New feature

∙ A new view (like diagram, PiP, …) for section-based inspections: Section View

∙ Visualization of an inspection, independent from the main view

∙ The scale is shown by a grid

∙ Can be used in reports and printed from this workspace

Section View

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Motivation

∙ How can the user easily get a result visualization at a certain position from a finished curve-based inspection, e.g. flush and gap?

∙ How can the user fill the Section View?

New feature

∙ The new function is available under Inspection → Cross

Section On Curve Inspection

∙ Inspired by the inspection section, it creates multiple elements at once

∙ Creates a section on a point on the curve with corresponding pointwise inspections

Cross Section On Curve Inspection

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Enhanced Curve Functions

Continuous shortest distance along curve

Radii entry curves: more control

“Trace Along” mode for directed offset curve

“Direction” for surface curves

Select by curve: “On Surface Only”

New: Intersection curve from geometrical elements

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Motivation

∙ Point-based inspection → Curve-based inspection

∙ Workflows should be consistent

New features/Changes

∙ Shortest distance: Now available for curve workflow

∙ Radii entry curve: More control for the “side“

∙ Offset curve: Easy way to choose direction (parametric!)

∙ Easier direction selection: Lateral direction for surface curves

Enhanced Curve Functions


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Point-based inspection

∙ One plane, two parts, one section each

→ Shortest distance between the two sections

Curve-based inspection

∙ Base curve, two parts

∙ Inspection like above, but sweeping along the base curve

→ Distance curve

∙ Note: Works on patch compounds as well

The new function is available under

Construct → Distance → Continuous Shortest Distance Along Curve

Continuous Shortest Distance Along Curve


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Search direction

∙ Specify search (and running) direction

∙ If selected, algorithm focusses on this side

Radius entry curve number

∙ New: If search direction is specified, “1“ and “2“ have an intuitive meaning that is “first” and “second” in this direction

∙ “Closer“ stands for the one closest to the selected curve

∙ “Further away“ represents the other one

Radii Entry Curves: More Control


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Changes

∙ New Trace along mode for directed offset curve

Advantages

∙ Consistent to Offset Point

∙ Easier to choose a “side“ in a parametric way

Note: Same algorithm as in Offset Curve

“Trace Along” Mode for Directed Offset Curve


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Direction selection in dialogs

∙ Edge curves have two directions

∙ New

∙Surface curves have two directions as well (normal + to the right)

∙Distance curves have two directions as well (direction + upward)

Notes

∙ Available for certain commands only

∙Directed Offset Curve

∙Radius Entry Curve

∙Curve from Touch Points (Edge)

∙ Not rendered in 3D view

“Direction” for Surface Curves


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Select By Curve: “On Surface Only”

Select by curve

∙ Selects points in a tube around a curve

New option “On surface only”

∙ Limits selection to the surface, that means itdoes not select points on the „backside“, even if they are inside the tube


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Motivation

Construct an intersection curve from geometrical elements for further inspections

New feature

You can find the new function under Construct →Curve → Intersection Curve From Geometrical Elements.

The function allows you to construct an intersection curve from geometrical elements. It is useful, for example, if you want to determine the intersection curve e.g. between a cylinder and a plane or a cone and a sphere.

Construct Intersection Curve From Geometrical Elements

Intersection curve between a cone and a sphere.

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Construction and Inspection

New feature: Select a CAD body

Improvements for "Construct Touch Point (Edge)" and "Construct Touch Point On Selection (Edge)“

New measuring principle: Touch Point (Edge) Relative

Inspection of profile form and position

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Motivation

Analyze or delete entire CAD bodies

New feature

You can find the new function under Edit → Selection in 3D → Other Selections → Select CAD Body.

The function allows you to automatically select

entire CAD bodies. It is useful, for example, if you are working with files containing overlapping CAD bodies and want to select a single CAD body.

You can delete the selected CAD body using Ctrl + Del, for example.

Select a CAD Body

The software selected the entire CAD body.

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Motivation

∙ Use this function on sheet metal parts showing springback

∙ Simulation of a state in which the sheet metal part does not show any springback

Enhancement

∙ New menu element Use relative element in the functions Construct Touch Point (Edge) and Construct Touch Point on Selection (Edge)

The improved functions are available under Construct→ Point → Other

Construct Touch Point (Edge) and Construct Touch Point On Selection (Edge)

Resulting touch point with relative element

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Motivation

∙ Use the measuring principle Touch Point (Edge) on parts showing springback

∙ Simulation of a state in which the sheet metal part does not show any springback

New feature

∙ The new function Touch Point (Edge) Relative is available under Inspection → Apply MeasuringPrinciple → Points → Touch Point (Edge) Relative

New Measuring Principle: Touch Point (Edge) Relative

Resulting touch point with relative element

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New parameter: user-defined sampling

∙ Automatic sampling is estimated based on the whole section and might not be enough to properly show results on edge areas.

∙ New menu item Use fixed point distance in airfoil function Analyze Profile Form And Position allows setting a user-defined value (fixed).

∙ The improved function is available under Inspection→ Analyze Airfoils → Profile Form And Position.

Improved results for Gaussian best-fit method

∙ Especially for partial selections.

∙ Note: The new behavior applies whenever the form and position element is recalculated in GOM Software 2019.

Profile Form and Position

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Date post:	05-Aug-2020
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Release Information GOM Software 2019 –What’s New · GOM Software 2019 requires Windows 7 SP1...

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