Geospatial Data Abstraction Library (GDAL)

The Geospatial Data Abstraction Library (GDAL) is a library for reading and writing raster geospatial data formats, it is released under license by the Open Source Geospatial Foundation. ( ).

SIS Desktop 9 uses GDAL to provide a single data abstract model for reading and exporting the majority of raster formats supported. More information can be found at and


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