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postGIS (?) - ST_Difference preserving attributes

EDITED QUESTION: PROPER SYNTAX FOR ST_DIFFERENCE BETWEEN TABLES? I have two huge polygon datasets from shapefiles, call them 'baselevel' coverage and 'deluxe' coverage. They each contain over 2.4 ...
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Open Source GIS Problem [closed]

I am new at open source GIS platform. I am using Ubuntu 12.10. I have tried to install the followings but without 2-3 tools I could not install anyone. Can any body help me how can I install the ...
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1answer
605 views

“Select Features” tool returns error in ArcMap when using OLE DB connection feature layers

I have a spatial enabled OLE DB Provider corresponding to OGIS simple feature specification for OLE/COM revision 1.1 I can add spatial data as ArcMap layers successfully using this provider and by ...
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230 views

What are my options in terms of implementing a WPS server?

I know about PyWPS, are there any good alternatives?