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Started using AM after many years away now that I have more time to devote to animation projects again. I've got this cauldron steaming very nicely and I want to change the color of the steam to pink (love potion) over time. I keyframed the shortcut to the streak emitter's attribute's diffuse color to change over a few frames and I get a lovely gradient of this on the timeline (see pic). Alas, the actual attribute's color remains stubbornly gray. I've tried reloading the project in case things needed to be started from scratch but no joy. I feel I must be missing some simple switch or something. Any help would be appreciated. Thanks, Alan
Okay, I stand corrected. Robert had mentioned changing a texure from .png to .tga and my response was that I thought those were hard coded into the .OBJ file. We *can* change the texture format of an .OBJ and we can do a whole lot more too. The secret sauce is in the .MTL file which can be edited in a text editor. http://en.wikipedia.org/wiki/Wavefront_.obj_file Look down until you get to the Material template library section. To go out on a limb and possibly be wrong yet again I'll say that perhaps it is that material that is assigned to the .OBJ that is interferring with the rendering of the image/texture? Attached is an image I got out of A:M's renderer by adjusting the dissolve (transparency) parameter in the MTL file and here is the text of (my) current MTL file: Initially I thought the ka was for Alpha... but that is ambiance. the d (by itself) is dissolve which is akin to transparency. You may note in the text that a URL with the name assimp is listed. That program was recently updated/replaced (as of June) and is yet one more of many converters making the rounds.