Direct comparison between software may not be the best thing to do but as I can't arrive at a conclusion thought of asking here.
Is there any gvSIG user in this GIS community?
Looking at the screenshots gvSIG seems to have lot of features. I particularly liked the single window interface when compared to GRASS. So I wanted to know how gvSIG would suit for image processing and GIS operations in general.
How are the map composing features in gvSIG?
I would also like to know which fares better amongst gvSIG or GRASS for image classification task - particularly digitizing training sites which is improving in GRASS these days(even then working with QGIS is easy for the purpose), ability to handle large rasters and vectors in the process, ease of map composing etc.
Answer
As suggested by simo, I posted this question onto gvSIG mailing list and got the following answers/links:
This discussion archive can also be read in context at Nabble: gvSIG advantages
gvsig uses sextante as raster processing framework.
Take a look at what you can do with it:
http://sextantegis.blogspot.com/,
http://sextante.forge.osor.eu/
Sextante integrates a lot of GRASS algorithms inside (AFAIK you should have GRASS installed for those algorithms to work).
Interesting links about gvSIG:
gvSIG Quickstart: http://live.osgeo.org/en/quickstart/gvsig_quickstart.html
gvSIG Courses: http://www.gvsig.org/web/docusr/learning/gvsig-courses-1#english
Videos: http://www.gvsig.org/web/projects/gvsig-desktop/tour/videos
This review compares some of the various tasks able to be completed by the various leading packages around.
http://gis.fossworkflowguides.com/#external
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