Rendering the Enforcer - ZBrush Creature Design: Creating Dynamic Concept Imagery for Film and Games - page 690

5. Press the LightCaps button. This will replace the LightCap with a new version based on the background
image. It does mean that any lights you added will need to be added and adjusted again. If you click on
the Specular button you will see the background image has been mapped to the specular highlights of the
LightCap lights (see Figure 10-42 ).
Figure 10-42: The background image has been mapped to the specular highlights in the LightCap editor.