RVT for QGIS#
The RVT QGIS plugin uses the core RVT Python package. The plugin interface offers a user-friendly way to access all the functionality of the Python package.
Find out how to install RVT for QGIS in QGIS installation.
Open a DEM file to be visualized.
Raster → Relief Visualization Toolboxor the RVT icon in the toolbar.
Select the DEM in
List of currently selected files:, then select the
Visualizationstab. In the
preferred visualizationsand set their parameters (options).
Startto calculate the visualizations.
The visualizations are stored as GeoTIFFs in the same folder as the input file, or to a custom location (if the
Save to raster location check box is unchecked, and the
Save to directory is set).
Visualizations are also added to the main window of QGIS if the
Add to QGIS check box is checked. If the
Overwrite check box is checked, the program overwrites any existing visualization files.
Find out more about visualizations and their parameters in rvt.vis.
Using the blender#
Chose a DEM in
List of currently selected files:, then choose the
Blendertab. In the
Blendertab select your
Blend combination:or build your own in layers.
You can add your own custom combination to the list. Write a name in the
Combination name text field and select
Add. To remove it, just select it in the (
Blend combination list) and select
You can also save a specific combination to a JSON file (if you want to share it, for example). To do this, input its name (in the
Combination name text field) and select
Save ... (then select the location and name of the file).
Saved JSON combinations can be added by selecting the
Load ... button (select file). You can change the parameters for each visualization method in the blend combination in the Visualizations tab.
If you check the
Use preset values for terrain type it applies the selected terrain type settings (this changes the normalization min and max, and visualizations parameters). If you check
Save visualizations, all the visualization parameters used in the blender combination will be saved.
Blend imagesto calculate the blended (fused, combined) image.
The blended image is stored as a GeoTIFF in the same folder as the input file or to a custom location (if
Save to raster location check box is unchecked and a directory is set in the text field next to it).
Using the processing functions#
Go to the
Processing Toolbox → Relief visualization toolboxto access all the RVT visualization functions.