Visgroup Manager
![Visgroup Manager](/media/1/image/png/tiny/213_visgroups_1.png)
The Visgroup Manager in Wall Worm allows you to arbitrarily show/hide objects in your scene.
Displacement Texture Scale Sometimes Incorrect
Understanding Displacement Blend Texture Scale
This page explains one cause for displacement materials to be scaled incorrectly in Source as well as the solution. You should use bitmaps of equal dimensions in both materials controlling the Blend material.
Generating LODs
The Level of Detail Generator on the Level of Detail Tools Rollout lets you generate LOD models from the root mesh. The tool will make lower-res versions of your model so that less polygons are rendered in-game when players move farther away.
Scrolling Textures
Steps for creating scrolling textures and exporting to Source.
Advanced Bone Settings
Information on adding bones to your model or controlling advanced parameters.
OSL Blendmodulate
OSL Blendmodulate mask to generate a mask as with a WorldVertexTransition shader in Source.
Texture and VTex Errors
Topics pertaining to errors compiling VTF Textures from bitmaps in Source.
Mass Model Fetch
The Mass Model Fetch Utility allows you to import multiple props into your scene at once.
VMT Browser
![vmt browser](/media/1/image/png/tiny/214_vmt_browser.png)
![](/media/1/image/png/tiny/239_019_vmt_browser.png)
The VMT Browser in Wall Worm allows you to browse, preview and assign materials from your game.