In February 2000 the Space
Shuttle Endeavour scanned about 80% of the Earths total landmass, using radar,
to develop an accurate Digital Elevation Model (DEM). This data has recently
been published and is available to download. EasyPlan has been updated to read
these DEM files, and show the ground elevation in stunning detail. Even the
mine dumps around
The following pictures show Hartbeespoort Dam rendered using the hi-resolution data, and using the existing data.
Obtaining the high resolution Digital Elevation Data
The DEM data can be obtained in two ways. In both cases your EasyPlan subscription must be up-to-date. See Downloads for more info.
Option 1 : Downloading the data yourself
1. Download EasyPlan version 3.030 or later.
the DEM data for
Option 2 : Ordering from EasyPlan
Alternatively a CD is available for R200 (including VAT and postage to an address in SA) with the latest Version of EasyPlan and the Hi Resolution digital elevation data. The area covered is the whole of Southern Africa below 5 deg south.
PC Requirements for Hi-res data
The following PC specifications are recommended as a minimum:
Hi-Res data not displaying?
The files should be in c:\Program Files\EasyPlan\EasyPlan3\Dem
They must be unzipped and have a “.hgt” extension
Files must have the "Read Only" flag cleared.
You must be using EasyPlan version 3.030 or later
Enable "Hi Definition Elevation" in "Units & Preferences" "Map"
Move the slider on the map page to about the middle
The file name refers to the bottom left corner of the block
You need only download and unzip the tiles covering the area of interest