SDTS (*catd.ddf;*iden.ddf)

SDTS (Spatial Data Transfer Standard) is a United States Federal Information Processing Standard (FIPS 173) for the non-proprietary, vendor neutral distribution of geospatial data and for the exchange of geospatial data between dissimilar digital geographic information systems.

SIS Desktop reads SDTS Digital Line Graph (DLG-3) Topological Vector Profiles (TVP).

Compatibility:

• Cadcorp SIS Desktop
• Cadcorp SIS Desktop Express
• Cadcorp SIS ActiveX Modeller
• Cadcorp SIS ActiveX Manager
• Cadcorp SIS ActiveX Viewer
• Cadcorp GeognoSIS

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