On Jan 7, 2011, at 10:12 AM, Tom Goddard wrote:
The BILD format produces a VRML model in Chimera and VRML models are horribly inflexible. For instance you cannot change the color of an object in a VRML model without destroying the model and building a new one. Basically the VRML is immutable after it is created.
This is not 100% true anymore. If your BILD object doesn't have any ".color" directives in it, then the resulting object will be shown using the model-level color attribute, which can be changed in all the normal ways you can change model-level colors. It may be true that parts of the model created before the first ".color" directive will use the model-level color (I'd have to find/read code I didn't write to verify that -- ugh!). --Eric Eric Pettersen UCSF Computer Graphics Lab http://www.cgl.ucsf.edu