Feature Description

The Update Raster Values feature allows quick modification of local values in raster data through three methods: Single Pick, Select Object, and Draw Bounds.

Note:

This operation will modify the original data values.

Feature Entry

• Data Tab->Data Processing Group -> Update Raster Values.

Steps

1. In the Target Layer dropdown, select the raster data to update.
2. Click the Add button to define update scopes. Selected areas will be automatically added to the update list after right-click confirmation. Supported selection methods:
   • Single Pick: Select a single cell;
   • Select Object: Select one or multiple regions;
   • Draw Bounds: Draw an arbitrary polygon area.
3. Set update values individually for each scope in the list, or click Uniform Settings to apply consistent values to all selected areas.
4. After configuring values, click Run to execute.

The following figure shows the result of updating values to 0 for areas below sea level in a coastal region: