Re: [otb-users] DEM file in training for classification

Hi, In fact the DEM is not always used. It can be used if your input image and training vectors are not in the same projection. For instance, if you use a sensor image and training vectors projected in WGS84, the application will have to convert the polygon co

[otb-users] DEM file in training for classification

Dear all, Since while I'm wondering why DEM is needed in training for classification procedures. I hope I read the OTB documentation, but no reason was stated. Even the link set for the geoid file is broken. Any idea why this is happening? Regards. Hristo -- -- Check the OTB FAQ at http://ww