Extract elevations from DEM

The extraction of elevations from DEM. Returns CSV with coordinates and altitude.

Inputs:

• Input file - CSV or XLS(X) file with points coordinates in EPSG:4326. Column names must be in Latin. How to prepare CSV file in QGIS.

• Name of the latitude column - Name of latitude column in the input file;

• Name of the longitude column - Name of longitude column in the input file;

• Output format - select from the list:

  • CSV

  • ESRI Shapefile

  • MapInfo TAB

  • GeoJSON

  • GeoPackage (GPKG)

  • DXF

  • FlatGeobuf

• Elevation dataset - choose from the list:

  • Copernicus

  • ALOS - ALOS World 3D has resolution of 30 meters

  • MERITDEM

  • GEBCO - resolution is 15 sec (about 500 meters).

Outputs:

• File in the selected format with coordinates and elevation values for the points.

How to prepare CSV file¶

CSV file must have the following parameters:

• Delimiter should be comma.

• Corrdinates are float values.

• File should not have spaces and should contain only latin symbols.

To save a point layer as a CSV file with coordinates in QGIS, go to Layer ‣ Save as. In the Format field select Comma separated values.

In the Layer options section select for the GEOMETRY field the option AS_XY. The resulting file will have longitude in the X column and latitude in Y column.

Try the tool in action

1. Click on the Demo button above the tool form. The fields are filled in with demo values.

2. Click on the Run button.

Related tools

• Improve DEM