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Am 22.01.2016 um 21:09 schrieb Sven Littkowski:
> Hi, some months ago, when I inquired about the usage of images in
> POV-Ray, I got the answer that pointing to the file of each image only
> one time and then just re-declaring saves a lot of memory. Before that
> advise, I pointed to the file of each image several times. Each time of
> reading the original file, POV-Ray assigns an amount of memory to it.
>
> Indeed, my scene parses now much faster, and I am happy.
>
> But now I am wondering, if the same applies to the usage of the shapes
> in POV-Ray. I wonder, if I would declare an "original" box one time, and
> then use more and more boxes just as re-declaration of the "original"
> box would save lots of memory, or if it does make no difference (in
> opposition to the images).
Currently it only applies to geometric primitives with "bulk" data, that
is meshes and blobs. All other shapes -- most notably including CSG
constructs -- are copied.
Also, even meshes and blobs only share the "bulk" data among the various
copies.
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