Shape generation as a composition of basic shapes

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Implement possibility to generate shape as an arbitrary composition of
simpler shapes, with reading a description from a file - each line
describes one simple shape, like

sphere size position
ellipsoid ratios size position orientation

It is hard to implement, since will probably require rewriting all the
existent shapes as a self-contained blocks, so the parser will then run
necessary blocks in a sequence. Actually the big part make_particle.c will
require changes.

Original issue reported on code.google.com by yurkin on 7 May 2009 at 4:16

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Original comment by yurkin on 7 May 2009 at 4:17

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There is language Hyperfun which is much more suitable for combination of basic 
shapes. Therefore, reimplementing it in ADDA doesn't make a lot of sense. 
Moreover, now a tool chain to work with Hyperfun models in ADDA is available at 
misc/hyperfun.

The only remaining issue is models with multiple materials, but that would 
probably be solved some time. So this issue doesn't seem relevant anymore.

Original comment by yurkin on 17 Jan 2012 at 3:08

• Changed state: WontFix