Northwood/VerticalMapper Numeric Grid Format (*.grd)
A raster format. Two format types are supported; GRD (numeric grid data) and GRC (character based data).
Compatibility:
- Cadcorp SIS Desktop
- Cadcorp SIS Desktop Express
- Cadcorp SIS ActiveX Modeller
- Cadcorp SIS ActiveX Manager
- Cadcorp SIS ActiveX Viewer
- Cadcorp GeognoSIS