WxGUI Supervised Classification Tool: Difference between revisions
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''For development issues see'' '''[http://trac.osgeo.org/grass/wiki/wxGUIDevelopment/wxIClass Trac page]'''. | ''For development issues see'' '''[http://trac.osgeo.org/grass/wiki/wxGUIDevelopment/wxIClass Trac page]'''. | ||
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Revision as of 09:47, 16 October 2012
For development issues see Trac page.
wxIClass is a wxGUI extension.
Generates spectral signatures for an image by allowing the user to outline regions of interest. The resulting signature file can be used as input for i.maxlik or as a seed signature file for i.cluster. (cited from i.class manual)
wxIClass is available in GRASS 7 from the menu
File -> Imagery -> Classify image -> Interactive input for supervised classification
wxIClass currently allows to:
- create training areas (using vector digitizer)
- show histograms for each band and class (category)
- show coincidence plots for each band
- show raster cells that match training areas (within the number of standard deviations specified)
- specify color of class
- write signature file
- import/export vector map with training areas