[Chimera-users] POV-Ray Export

[Greg Couch]

Hi Greg,

transforms.inc comes standard with the POV-Ray distribution, so if it is 
missing, then something is wrong with your POV-Ray setup.  The 
Axis_Rotate_Trans macro from transforms.inc makes a rotation matrix for an 
object, so if it is removed, then the various objects are placed 
incorrectly.

Are you using chimera's version of POV-Ray?  And if so, which version of 
chimera on which platform (Windows, Linux, etc.)?  If this is chimera's 
bug, we'd like to fix it.

 	- Greg

On Fri, 22 Feb 2008, Greg Williams wrote:

> I would like to render my files externally in POV-Ray, but I get error
> messages. As a test, I set the leucine zipper in wire mode and exported the
> file. I opened POV-Ray, turned on antialiasing and rendered at 640x480.
>
> I immediately get the following:
>
> Possible Parse Error: Could not find file 'transforms.inc'
> File zipper.pov line 6
>
> Parse Warning: Check that the file is in a directory specifed with a +L
> switch or 'Library_Path='
> .INI item. Standard include files are in the include directory or folder.
> Please read your
> documentation carefully.
> File zipper.pov line 6
>
> I cut the line ³#include ³transforms.inc² and rendered again, and I get a
> new set of parsing errors, which include a couple errant bracket symbols
> that I managed to fix, at which point I get:
>
> Parse Error: Expected 'object or directive', undeclared identifier
> 'Axis_Rotate_Trans' found instead
> File zipper.pov line 1322
>
> So I cut the ending lines of the file:
>
> Axis_Rotate_Trans(<0.000000, 0.000000, 1.000000>, 0.000000)
>  translate <0.000000, 0.000000, 0.000000>
> }
> }
>
> Now the render works. I guess I should be happy with that, but I¹m wondering
> what it was I cut from the file. Any help here?
>
> Thanks,
>
> Greg
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