With the volume analysis, you can evaluate the volume of stockpiles or depressions.
To create an analysis:
1. Click the 
icon in the toolbar on the right side when a point cloud is active in the scene.The cursor changes to crosshairs.
2. Click to create a polygon of the area you want to analyze.
This initiates the analysis.
3. In the Analysis toolbar, open the topmost dropdown and select the Volume entry.
This will enable the volume analysis settings.
4. Adapt the volume analysis settings, see below.
5. To save the analysis in the project permanently, click the 
icon in the analysis toolbar.
Note that you need at least the Project Editor role to save the volume analysis.
You can make further settings in the analysis toolbar, see also General Settings in the Point Cloud Analysis Tool.
If you select Volume from this dropdown, the volume analysis settings are enabled.
Determines how the reference plane is displayed.
Reference plane: Shows or hides the reference plane at the selected position.
Color scale. The color scale compares the points with the selected reference plane type. Then it colors each point with its deviation to the reference plane.
Contour lines: Draws lines at the boundaries between colored areas. This makes the differences in elevation more visible.
Raise mesh: If you activate this switch, the mesh is displayed above the actual point cloud.