** Using WeBWorK **

We're getting errors when creating pdf output of certain problems. Here is a typical error message - it has to do with hte image conversion gif->png. Is there anything I need to configure to get this to work?

failed to convert /opt/webwork2/webwork-modperl/courses/m181a/templates/rochester_problib/setAlgebra16FunctionGraphs/c0s1p8/31267.gif to /opt/webwork2/webwork-modperl/courses/m181a/html/tmp/png/31267.png using gif->png with /opt/webwork2/webwork-modperl/bin/gif2png:

Error context

Problem2 ERROR caught by Translator while processing problem file:rochester_problib/setAlgebra16FunctionGraphs/c0s1p8/c0s1p8.pg * failed to convert /opt/webwork2/webwork-modperl/courses/m181a/templates/rochester_problib/setAlgebra16FunctionGraphs/c0s1p8/31267.gif to /opt/webwork2/webwork-modperl/courses/m181a/html/tmp/png/31267.png using gif->png with /opt/webwork2/webwork-modperl/bin/gif2png:

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We got this solved: In the gif2png contains a NETPBM variable that must be edited by hand if netpbm is not in /usr/local/bin. Like most linux variables, netpbm on our system is in /usr/bin.

I'm not sure if this is in the documentation, but it probably should be.

Thanks, Lars.

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