i am trying to use map with an image created by Graph::pie(), it seems it does not work with MAP, and when i change the type to graph::Bar(), certainly for the same datas,it works well, how can i do? 
Use of uninitialized value in addition (+) at /usr/local/lib/perl5/sit
+e_perl/5.6.1/GD/Graph/pie.pm line 441.
Use of uninitialized value in addition (+) at /usr/local/lib/perl5/sit
+e_perl/5.6.1/GD/Graph/pie.pm line 441.
Use of uninitialized value in numeric lt (<) at /usr/local/lib/perl5/s
+ite_perl/5.6.1/GD/Graph/Map.pm line 305.

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In reply to Problem using GD::Graph::MAP with Graph::pie by liu

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