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Sending reply to povray.programming.
Dejan D. M. Milosavljevic <dmi### [at] xoommail com> wrote...
>
> File parse.c
>
> Usually in Parse_SomeObject at the end we have:
> Parse_Object_Mods((OBJECT *)Object);
> return((OBJECT *)Object);
> Line 1067 Parse_Object_Mods ((OBJECT *)Object);
> Line 1069 Compute_HField(Object, Image);
> Line 1071 Compute_HField_BBox(Object);
> Line 1073 Destroy_Image (Image);
> Line 1075 return ((OBJECT *) Object);
It is quite possible that the original authors intended that the
Compute_HField function, for example, be done after all modifications have
been made. However, this is not currently true, because if POV runs across
the OBJECT_TOKEN, it calls Parse_Object, which could then find an object
identifier, so that it copies an already-existing object. Then,
Parse_Object_Mods is called, and is now happening _after_ Compute_HField.
Therefore, it most likely doesn't matter if Parse_Object_Mods happens before
or after Compute_HField (or Make_Blob or SetUp_Fractal). If it does make a
difference, then there is likely a bug in POV.
-Nathan
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