Tagged Questions
1
vote
2answers
57 views
Vector Machine Classification in ArcGIS
Is it possible to perform a vector machine classification of raster image using the ArcGIS software package. This supervised classification method is available in the ENVI software but not for ArcGIS.
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1
vote
1answer
181 views
How to merge different classes/clusters in one single raster in arcgis 9.3?
I've created a signature file with 8 clusters and performed an unsupervised classification. Later I have grouped values (spatial) classes together to form 4 classes I needed (in symbology) but that ...
2
votes
2answers
492 views
How to classify/style rasters correctly?
I am using a GeoTiff raster data and trying to classify it. I was wondering what are the techniques that I can use in QGIS to do this?
The raster I have looks like
but I tried the reclassify tool ...
2
votes
2answers
734 views
How to vectorize a Raster-Classification? (qgis, grass)
I classified my raster-DHM into elevation levels using colormap. Its not a "real" classification, just a colormap. So I cant vectorize the classes to get polygones for every class.
Whats the best ...
1
vote
1answer
190 views
Creating color table file in PCI Geomatica
What is the simplest way to create a stand-alone color-table file in PCI Geomatica (PCT or STR)? I have some classified imagery with values ranging between 0-255 and I would like a way to ...