If a default renderer is not available for a raster dataset in a raster catalog, you can add it to the Available renderers list.
- Right-click the raster catalog layer in ArcMap and click Properties.
- Click the Symbology tab.
- Click the Add button below the Available list.
The Add Renderer dialog box appears.
- Click the renderer you want to use, such as Unique Values, and click Add.
- Click Dismiss to close the dialog box.
- Click any remaining renderers and click the Remove button until only the renderer you want remains in the list.
- When using the Unique Values or Classified renderers, click Load Values to calculate all the values.
The Calculate dialog box appears.
- Click Calculate. Once completed, click Add and click Close.