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Spatialguru Scripts

  • ogr_dumptopo.py - convert linestrings into nodes and edges CSV lists. Sample output from natural earth admin boundary lines included. Nodes output has x,y,z data and an ID. Edges has ID, node_to and node_from that point to node ID.

    Usage: python ogr_dumptopo.py ne_boundary.gml nodes.csv edges.csv

  • ogr_explode.py - blast apart those nasty polygons and linestrings into their atomic (point) pieces!
    The script outputs a CSV file with x,y,z structure for each node in all the input features. Option takes 3rd dimension from a named field in the input file.

Usage: python ogr_explode.py input.shp output.csv [zfield name]

NME

network mapping engine - catalogue, project management and more

At this stage the nme/cat/gdalogr_catalogue.py is the only other script in this repository. It's used to recursively catalogue a tree/folder/directory and find all the GDAL/OGR readable datasets, layers, and bands in each folder. The results are written out to XML.

Contact

For more information follow and connect with me on http://twitter.com/spatialguru or see more on my blog http://spatialguru.com. I also publish books on related subjects at http://locatepress.com (aspiring writers welcome).