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3
votes
3answers
139 views

Fast and robust open source portable script or tool for interpolation - triangulation or similar

I am looking for some fast and robust open source interpolation library/script/tool. The goal is to re-interpolate relatively big (1M+ points) unstructured (xyz) grids into high resolution cartesian ...
20
votes
5answers
1k views

What are advantages of using spatialite over shapefile?

I found spatialite more useful than shapefiles as it does not have the limitations of shapefile and it is also portable. Many people here use shapefiles to exchange data and even the experts do not ...
9
votes
3answers
2k views

How to setup portable ArcGIS (ArcMap, Catalog) installation on flash drive?

How can I setup a portable ArcGIS installation (ArcMap, Catalog) to run from a flash drive / USB stick? I think there may be an existing solution but I didn't find it yet. Can I make it myself, ...
13
votes
1answer
717 views

How to setup QGIS Master and Stable in parallel on one Linux system?

I mainly use the QGis Master (nightly build) for my Debian Linux and I'm quite happy with it. But for educational and demonstration purposes, I now have to work with the Stable(1.8) version. How can ...