How to Create Contours in QGIS from a DEM:
- Download DEM file
- Open the DEM in QGIS
- Run the contours process
Download DEM File
Note: In this example, we use a DEM exported from Equator. Click here for a video guide.
1. Visit Equator Studios and go to the Data Menu
2. Select Digital Elevation Model from the left-hand Data menu
3. Select a site where you would like to get a DEM by clicking the + button
4. Click ‘Generate’
5. Once your DEM appears in the Layers Menu, click the Download button on the layer to download it
Image of our DEM in Equator
Open the DEM in QGIS
Open your DEM shapefile in QGIS by dragging and dropping the file into the map space.
Image of our DEM in QGIS
Run The Contour Process
Now that we have projected our DEM onto our project, we will run the Contour process:
Processing → Toolbox → GDAL → Raster extraction → Contour
Set the input layer as your DEM, and adjust the other input settings as you deem appropriate (in this case we elected to leave the default settings):
Using the Contour process to generate the final layer
You now have a layer with contours built from your DEM!
We hope this helps. Take a look at some of Equator’s other blogs and “How-to tutorials”!