USGS SDTS DEM (*.ddf)

SDTS is a spatial data transfer standard for the dissemination of both vector and raster DEM data from the USGS.

The expected extension is *.DDF.

Compatibility:

• Cadcorp SIS Map Modeller
• Cadcorp SIS Map Editor
• Cadcorp SIS Map Manager
• Cadcorp SIS Map Express
• Cadcorp SIS ActiveX Modeller
• Cadcorp SIS ActiveX Manager
• Cadcorp SIS ActiveX Viewer
• Cadcorp GeognoSIS

See full list of Dataset Formats

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