When the topography is created from points or GIS data or when the topography is created by combining data, you can change its boundary and resolution and apply a trend. To do this, double-click on the topography in the project tree. The Edit Topography window will appear:
Changing the Size of the Topography
In the General tab, you can change the topography extents. Use the controls in the scene or enter the required values in the Bounding Box fields.
The resolution of the topography depends on how it was created.
- When the topography is created from a single mesh, the resolution of the topography is set from the resolution of the mesh and can only be changed when the mesh is imported. If you wish to change the resolution of the topography, you must first add more height data to the topography. See Adding Height Data to the Topography.
- When the topography is created by setting a fixed elevation, the resolution cannot be set.
When the topography is created from points or GIS data or when the topography is created from combining data, you can set its resolution in the Edit Topography window.
When you set a specific Surface resolution without enabling the Adaptive option, the triangles used will be the same size for the whole topography. When you enable the Adaptive option, the resolution of the topography will be affected by the availability and density of real data. See Surface Resolution in Leapfrog Geo for more information on these settings.
Applying a Trend to the Topography
In the Trend tab, you can apply a trend to the topography:
See Global Trends for more information.