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Thanks I'll try that
> Mick Hazelgrove wrote:
> : I am trying to make a pic with a vertical/portrait aspect and I have
> : modified the camera thus:
>
> I don't know if this answers your question, but when I make a non-4/3
> camera, I make it this way:
>
> #declare ImageWidth=512;
> #declare ImageHeight=512;
>
> camera
> { right x*ImageWidth/ImageHeight
> location <0, .24, 99>
> look_at 0
> angle 35
> }
>
> Some notes:
> Always put the 'right' statement as the first statement of the camera
> declaration.
> I always use 'angle' instead of 'direction' since I don't know how the
> latter works, but 'angle' works just like I think.
> The default 'up' vector is just ok. Usually you don't have to change it.
> I have never needed it, even with tilted cameras. If you want to tilt
> the camera, you can rotate it. The only use of the 'up' vector I can
imagine
> is when you want to specify a tilt angle for the camera (and you don't
know
> how to apply it by rotating the camera when the camera is not at the
origin):
>
> #declare CamTiltAngle=35;
>
> camera
> { up <sin(radians(CamTiltAngle)),cos(radians(CamTiltAngle)),0>
> location <1,2,3>
> look_at <4,5,6>
> angle 35
> }
>
> --
> main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
> ):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
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