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http://www.openoffice.org/issues/show_bug.cgi?id=82869





------- Additional comments from [email protected] Thu Jul 23 11:44:23 +0000 
2009 -------
AW: All these steps are weak and it's hard to weight their influence to other
internal stuff.
To see how big the influence of the object count is, i tried to create the
stripes with a single PolyPolygon. This DEFINITELY solves the speed problem, but
cannot be done topologically (see below).

@iha: The reason You need a single 3DPolyPolygonObject per data point is that a
3DPolyPolygonObject defines a single 3D PolyPolygon in one single plane in 3D;
it's technically a PolyPolygon to allow topologically the definition of holes
(think letter 'O' as polygon, a PolyPolygon is needed). What we would need is a
multi-PolyPolygon 3D object (which is topologically something completely
different from a PolyPolygon); this leads again to Meta3DObjects (#i97749#?).

So, to solve this task it would be possible to make the
com.sun.star.drawing.Shape3DPolygonObject a meta-PolyPolygon object; it's only
used by chart and not an officiual object. Hmmm...

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