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Course: Remote Sensing – Basic Theory & Image Processing Methods19 - 23 September 2011
I d i ERDAS I iIntroduction to ERDAS Imagine
Michiel Damen
UNIVERSITY of TWENTE - Michiel Damen
(damen@itc.nl)
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Introduction ERDAS Imagine
• About ERDAS Imagine
Contents
• About ERDAS Imagine • ERDAS Product suite• Imagine Startup• Viewer View of multiple layers• Viewer - View of multiple layers• Setting of preferences• Import / Export
E l • Examples: Filter, Geometric correction, Mosaicing, Map composer, Image classification, Spatial modeler, Stereo analyst,
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Virtual GIS• HELP ! function
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Introduction ERDAS Imagine
Pi i PC b d i i (1978)
About ERDAS
• Pioneer in PC-based image processing (1978)
• One of the leading providers of Geographic Imaging products & servicesp
• Headquarter Atlanta, Georgia, USA• http://www.gis.leica-geosystems.com/
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Introduction ERDAS Imagine
F i i d i f ti
About ERDAS
• Focus on image processing and information
extraction; aerial and space
• Raster based analysis• Raster based analysis
• Increasing integration of GIS functionality
• Close links with the ArcGIS suite of ESRI• Close links with the ArcGIS suite of ESRI
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Introduction ERDAS Imagine
ERDAS Product Suite
• Imagine Essentials
• Add-on modules (a.o. Virtual GIS, Vector Module)
Ph i A li i (O h BASE S• Photogrammetric Applications (OrthoBASE, Stereo-Analyst)
• Radar Applications
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• Radar Applications
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Introduction ERDAS Imagine
ERDAS Interfaces
Classical
Windows 2010Windows 2010
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Introduction ERDAS Imagine
Imagine startup (Classic interface)
ViewerViewer
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Introduction ERDAS Imagine
Most common data types
Viewer yp
have a pull-down menu
fMost common functions have short cuts and an icon
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Introduction ERDAS Imagine
Viewer
Viewer -> File -> Open -> Raster Layer . . . (Ctrl-R)
Use Recent or Goto Use Recent . . . or Goto . . to use recent files or go to recent subdirectoriessubdirectories
Change preferences for default file locations and viewer preferences if you wish
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View multiple layersSharing the same co-gordinates and projection
Viewer -> View -> Arrange lLayers (Ctrl-L)
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Preferences
It’s useful here to specify the folder that contains the exercise data (and to the exercise data (and to which you have writing access)
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Import / Export
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Example: filter
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Example : Geometric correction tool
Chip extraction
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Example : Mosaicing tool
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Mosaic output
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Map composer
Map Frame tool
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Map composer
Map Grid tool Map Output
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Classification
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Spatial Modeler
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Stereo Analyst
Creation of anaglyphCreation of anaglyphred <–> green/blue
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Virtual GIS“ 3D” images 3D images
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C t t iti H l
Help !
•Context sensitive Help menu:
• pull down menu
• right-mouse button over a windowg
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Introduction ERDAS Imagine
Documentation
Both Guides are available in PFD at the data CD
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Introduction ERDAS Imagine
QuestionsQuestions
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