6 modules - PI-VR GmbH

6.1 Scene6.1.8 VariantsScene » VariantsThe variant module allows the user to create different variants of one model by storingthe states of switch-nodes and switch-materials. This stored information then can bequickly and easily accessed for fast switching between different variants either by usingthe GUI, hotkeys or by Python scripts.There are three different types of variants: geometry variants, material variants andlight variants. A geometry variant is linked to a node in the scene graph, with eitheris a normal node which can be enabled or disabled or which is a switch node whichselects only one child for rendering at a time. In the same manner a switch material is acontainer for one or more materials, and only one of these is active during rendering.A light variant is connected to a light source which can be activated or deactivated viathe variants module.To assign a hotkey to a specific state of the variant click on the right column in the list ofall possible states. A small popup will appear for selecting the desired key combination.125