The Face Properties dialog allows you to manipulate the texture properties of selected brush faces. There are a number of texture attributes available:
Note: while in Texture Application Mode, you can select multiple faces of a brush by ctrl-clicking them, or you can select the entire brush by shift-clicking one of the brush faces.
Scale (X/Y)
You can modify the scale of a texture to shrink or enlarge it. Numbers less than 1 shrink, and over 1 enlarge. You can use negative values to mirror the texture in one or both planes.
Shift (X/Y)
This simply allows you to shift the texture around in the X and/or Y planes.
Note: The shift values are in relation to the grid settings. It can be extremely helpful to align a brush first to the grid, then move the brush to its intended location with Texture Lock enabled.
Smooth Groups
Half-Life's compile tools allow you to specify a "smooth value" angle. Brushes that meet at or under this angle will be "smoothed" to appear rounded.
Rotation
Rotation allows you to rotate (!) the texture on the brush face.
Texture Group
You can choose from which texture group you will browse textures from
Material
Half-Life allows you to specify the material type of textures. Material type will affect the sounds made on those textures (walking, ricochets, etc).
Quake 2 Parameters
When using the Quake II map format, the surface and content attribute boxes are enabled, allowing you to take full advantage of the specific Q2 surface properties.
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