[Chimera-users] some questions about Chimera

Elaine Meng meng at cgl.ucsf.edu
Mon Aug 5 13:39:32 PDT 2013

> From: "Graham Johnson (qb3 at UCSF)" <graham at grahamj.com>
> Subject: Re: [Chimera-users] some questions about Chimera
> Date: August 5, 2013 11:59:03 AM PDT
> To: Ruijie Chen <spider32123 at gmail.com>
> Hi Ruijie,
>    The "missing" colors are in the .dae or .wrl file, however, programs like Maya do not know how to read them (i.e., they only read and display the geometry, not the color-per-vertex colors).  For doing this type of work, I recommend installing ePMV to directly manipulate your models in Maya.  There are many things that ePMV cannot do where a Chimera–>universalFile–>Maya protocol is still useful, but ePMV will handle most of your goals.
> http://epmv.scripps.edu
> Regards,
> Graham
> Graham Johnson PhD
> qb3 at UCSF Fellow
> UCSF Lab: http://mesoscope.org
> Medical Illustration: http://grahamj.com
> On Aug 5, 2013, at 10:59 AM, Conrad Huang <conrad at cgl.ucsf.edu> wrote:
>>> Dear Sir / Madam:
>>> I am a 3D animation student who recently started to making medical animation videos, and I found Chimera is a very usefull tool for building molecules and proteins.
>>> However, there are few things that I don't understand:
>>> 1. After I import a .dae file which exported from hemoglobin (PDB: 2hhb), I found that the color I have set for each ribbon is gone, the one I have got inside maya is a hemoglobin molecule with one color. And when I want to select each alpha or beta-globin, I failed to do so because there sometimes have some polygons from other alpha or beta-globin. Is there a way to solve these problems?
>>> 2. I have tried to export the scene to a .wrl file and convert it to maya file via wrl2ma, but when I open the finish converted maya file it always give me lots of error messages like this :
>>> "Error: file: C:/Users/**/hemo_ribbon.ma line 116: setAttr: Too much data was provided. The last 173 elements were not used. // "
>>> and this :"// Error: file: C:/Users/**/hemo_ribbon.ma line 13078: setAttr: Too much data was provided. The last 1193 elements were not used. // "
>>> Is this a problem which happen during the export process of Chimera or some other reasons?
>>> Looking forward for your reply
>>> Thank you
>>> -- 
>>> With kind regards
>>> Ruijie Chen

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