plotting data in non-orthogonal coords.

Hallo Andreas

There is probably no one who can give you some answer as you 
did provide almost no facts what you really did and what is wrong. 
You probably need to transform your coordinates to orthogonal 
and plot them as you wish. But you have to do it yourself. 

I had some data in polar coordinates some time ago and I did the 
same (see attached picture). 

Cheers
Petr

Hi !
I am wondering how to plot data (e.g.  f(x,y) ) in a coordinate system
spanned by two non-orthogonal basis vectors (e.g. hexagonal symmetry).
The data is given on an equally spaced grid in theses coords and i
would like to do a contour plot (e.g. with filled.contour).

Thanks for your help. Andreas

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Petr Pikal
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