Course: Remote Sensing Basic Theory & Image Processing Methods 19-23 September 2011 Introduction to ERDAS Imagine Michiel Damen (damen@itc.nl) UNIVERSITY of TWENTE - Michiel Damen 1
Contents About ERDAS Imagine ERDAS Product suite Imagine Startup Viewer - View of multiple layers Setting of preferences Import / Export Examples: Filter, Geometric correction, Mosaicing, Map composer, Image classification, Spatial modeler, Stereo analyst, Virtual GIS HELP! function ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 2 2
About ERDAS Pioneer in PC-based image processing (1978) One of the leading providers of Geographic Imaging products & services Headquarter Atlanta, Georgia, USA http://www.gis.leica-geosystems.com/ ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 3 3
About ERDAS Focus on image processing and information extraction; aerial and space Raster based analysis Increasing integration of GIS functionality Close links with the ArcGIS suite of ESRI ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 4 4
ERDAS Product Suite Imagine Essentials Add-on modules (a.o. Virtual GIS, Vector Module) Photogrammetric Applications i (OrthoBASE, Stereo- Analyst) Radar Applications ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 5 5
ERDAS Interfaces Classical Windows 2010 ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 6 6
Imagine startup (Classic interface) Viewer ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 7 7
Viewer Most common data types have a pull-down menu f Most common functions have short cuts and an icon 8
Viewer Viewer -> File -> Open - > Raster Layer... (Ctrl-R) Use Recent... or Goto.. to use recent files or go to recent subdirectories Change preferences for default file locations and viewer preferences if you wish 9
View multiple layers Sharing the same co- ordinates and projection Viewer -> View -> Arrange Layers (Ctrl-L) 10
Preferences It s useful here to specify the folder that contains the exercise data (and to which you have writing access) ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 11 11
Import / Export ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 12 12
Example: filter ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 13 13
Example : Geometric correction tool Chip extraction 14
Example : Mosaicing tool 15
Mosaic output 16
Map composer Map Frame tool 17
Map composer Map Grid tool Map Output 18
Classification 19
Spatial Modeler ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 20 20
Stereo Analyst Creation of anaglyph red < > green/blue ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 21 21
Virtual GIS 3D images ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 22 22
Help! Context C t t sensitive Help menu: pull down menu right-mouse button over a window ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 23 23
Documentation Introduction ERDAS Imagine Both Guides are available in PFD at the data CD ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 24 24
ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 25 25
Questions ITC FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 26 26