How to get coordinates.
I'm a newbie of OpenFOAM.
Now, I'm trying to make a post-program like 'vorticity'.
But, I have no idea how to find the coordinates.
reading vorticiry.c and more...
searching any other documents from web...
I have found out how to get xyz-componet of vector U.
Info << "U(x)= " << U.internalField()[numID].x() << endl;
Does "numID" mean the ID of cell?
However, I haven't discovered how to get coordinates corresponding to vector U.
Please give me advice about it
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