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I am new to METIS and trying to use it in my fortran code. I read the manual online. But still, I am not sure about how to implement it my code. I tried the test cases in the graphs directory. For example, I partitioned the 2d mesh metis.mesh by using mpmetis -gtype=nodal metis.mesh 4. And it gave me two output files:metis.mesh.npart.4 and metis.mesh.epart.4. I opened these files, they are point values that make no sense to me. How can I visualize the partition results? And is there any good tutorial about metis that can help me to start? Thank you!

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