Digital Elevation Model (DEM) files

Select File | Import | DEM (China Standard) to import a Digital Elevation Model ( China Standard Transfer Format) data file.

China Standard Transfer Format grid data (DEM) files are digital cartographic/geographic data files produced by the China Geological Survey.

Digital Elevation Model (DEM) data files are digital representations of cartographic information in a grid format. DEMs consist of a sampled array of elevations for a number of ground positions at regularly spaced intervals.

The grid data is stored from north to south and from west to east, as a text file.