Subject:
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Re: POV Coordinate Question
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Newsgroups:
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lugnet.cad
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Date:
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Wed, 17 Dec 2008 21:41:35 GMT
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Viewed:
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6443 times
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Eric Albrecht wrote:
> While doing renderings, I've noticed something odd. POV-Ray mirrors
> all the models across the XY axis.
What is your camera definition? In BlockCAD I use L3P to create the POV
file, and then I do some post-processing of that file (I don't actually
remmeber right now what I'm changing), and those renders are not mirrored.
The camera definition in such a POV file looks like:
camera {
#declare STEREO = 0; // Normal view
//#declare STEREO = degrees(atan2(1,12))/2; // Left view
//#declare STEREO = -degrees(atan2(1,12))/2; // Right view
location <-469.846308231354,-342.020153999329,-813.797662999143>
sky -y
right -4/3*x
look_at <0, -8, 0>
angle 25
rotate <0,1e-5,0> // Prevent gap between adjecent quads
//orthographic
}
It's the
sky -y
right -4/3*x
which sets up the coordinate system. Removing the minus sign creates a
mirror image.
--
Anders Isaksson, Sweden
BlockCAD: http://web.telia.com/~u16122508/proglego.htm
Gallery: http://web.telia.com/~u16122508/gallery/index.htm
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Message has 1 Reply:
 | | Re: POV Coordinate Question
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| (...) I usually use L3P to create the file, but then I replace the camera with a definition from LDView. If I can just change the sign, that will be easy. Eric (16 years ago, 17-Dec-08, to lugnet.cad)
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Message is in Reply To:
| | POV Coordinate Question
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| While doing renderings, I've noticed something odd. POV-Ray mirrors all the models across the XY axis. For instance, look at this image of (URL) 853>. It appears to be right hand drive, but the model I made it from is left hand drive. This isn't (...) (16 years ago, 17-Dec-08, to lugnet.cad, FTX)
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