Nieminen Mika wrote:
> 
> Swift <swi### [at] fanprocom> wrote:
> : but when I increase the max_trace_level-value to 35 for example, POV for
> : Win 3.02 crashes when rendering the scene
> 
>   This is a "known" bug.
>   I think that it's a stack overflow problem.
>   Reflections and refractions mean recursive functions calls. Recursive
> function calls mean using of stack. When the stack is full and there's no
> stack overflow checking, the program crashes.
>   Watcom links a 8k stack by default. This is too little.
>   I just tested Povray 3.02 for UNIX with max_trace_level set to 150 and no
> problem. I think there's no stack limit in UNIX.
> 
>   I think that your only chance is to recompile povray with a bigger stack.


If it's a stack problem you can increase your stack settings
at least for the dos version with an addittion of a single line
to your config.sys file. It will eat memory to do so but it is
possible.


Ken Tyler

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