GIS Essentials for Modern EngineersPresented by Mabogunje Oludare Ola

INTRODUCTION

•What is GIS

•Geographic Concepts▫Location▫Distribution▫Association▫Interaction▫Change

INTRODUCTION CONTD

•Geographical data

INTRODUCTION CONTD

•Geographical data

INTRODUCTION CONTD

•Users of GIS▫Application▫Developer▫Science/Engineering

INTRODUCTION CONTD

•Users of GIS

INTRODUCTION CONTD

•Users of GIS

INTRODUCTION CONTD

•Uses of GIS

INTRODUCTION CONTD

•Uses of GIS

DATA

•Primary data ▫obtained via direct observation or measure,

and •Secondary data

▫ collected by a different party.•Data acquisition

▫time-consuming aspects of any GIS project.•Metadata

▫data about data and promote data exchange, dissemination, and integration.

DATA CONTD

•Data▫specific facts, measurements, or

characteristics of objects and phenomena of interest.

•Information ▫knowledge of value that is obtained from

the analysis of data.

DATA MODELS

•Raster data model▫Satellite Imagery

▫Aerial Photograph

•Vector Data Models

Satellite Imagery

•Kainji Dam

Aerial Photo

•Lagos

DATA QUALITY

•Accuracy▫Accurate feature Identification▫Position▫Attribute▫Temporal

•Errors

MAPS

•Why map▫Representation of the world

•Types of Maps▫Reference map▫Thematic map▫Dynamic map

MAP

GIS AND CAD

•GIS and CAD interchange

•GIS in engineering workflow

GIS APPLICATIONS

•Facilities Management•Environment and Natural Resources

Management•Street Network•Planning and Engineering•Land Information System

http://wtlab.iis.u-tokyo.ac.jp/~wataru/lecture/rsgis/giswb/vol1

OIL AND GAS

ENVIRONMENTAL MONITORING

COASTAL MANAGEMENT

Mininng

THANK YOU