Am 03.08.2014 13:46, schrieb Suman:
> i did not notice any error during installation.
> i am using exec command for image generation online.
>
> exec("/usr/local/bin/povray ...");
> and no error is showing.

You should definitely try running the subdivision patch from the command 
line first, before trying to call it from another program.

Are you sure /usr/local/bin is where POV-Ray/subdivision installed 
itself? Maybe it's some other previous install of official POV-Ray 
that's residing there, and POV-Ray/subdivision is located somewhere else.

But to figure that out you definitely have to call it from a 
command-line shell.

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