In fact its normal cause you place a number of polygon with texture ..
you will be able to reduce memory usage by grouping all polygons of same
texture , then applying the texture on them ..

for exemple:
------------------------------
instead of doing that

#declare index=0;
#while(index<1000)   object {my_polygone   texture {my_texture}}  #declare
index=index+1; #end

which use a lot of memory (cause texture is loaded each time) you should do
that
#declare index=0;   union {    #while(index<1000)  object {my_polygon}
#declare index=index+1;#end       texture {my_texture} }
--------------------------









news:4541bf9c$1@news.povray.org...
>
> Hello,
>
>    I have similar scene:
>
> #declare Pig = pigment {
>    image_map { ... something }
> }
> #declare Tex = texture {
>    pigment {Pig}
>    ...
> }
>
> #declare Poly = polygon {
>     ...
>     texture {Tex}
> }
>
> ... a lot of Polys used later in the scene ...
>
> I seems, that image_map is copied for every "Poly" placed into the scene
> and it leads to high memory requirements ... Is any way how to have only
> one instance of image_map into the scene?
>
> Thanks
>
> Vaclav

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