Hi Werner,
talking about the C interface, this is the case of plcont or plshade,
when passing pltr2 (an internal plplot functon) as pltr argument, and
passing the X and Y 2-dim arrays of coordinate through the pltr_data
structure; this is not really straightforward in C, it is described in
http://plplot.sourceforge.net/docbook-manual/plplot-html-5.9.2/plcont.html
http://plplot.sourceforge.net/docbook-manual/plplot-html-5.9.2/contour-plots.html
and in plplot example 9
For fortran 95 it is more straightforward due to the use of interfaces,
so that the X and Y arrays are passed directly to plcont as parameters,
see also example 9 in f95 after the comment:
! Plot using 2d coordinate transform
Werner Smekal ha scritto:
> Hi,
>
> I don't know much about the contour plots, maybe someone else on the
> list can help.
>
> Thanks,
> Werner
>
> Begin forwarded message:
>
>> From: "SourceForge.net" <nore...@sourceforge.net>
>> Date: 26. März 2009 22:48:15 GMT+01:00
>> To: nore...@sourceforge.net
>> Subject: [plplot - Open Discussion] MATLab Contour
>>
>>
>> Read and respond to this message at:
>> https://sourceforge.net/forum/message.php?msg_id=6972899
>> By: bigmuscle
>>
>> Hello.
>>
>> MATLab has nice function contourf(X,Y,Z,n) where n is number of
>> levels. It is
>> just easy to pass matrices X,Y,Z to this function and filled contour
>> plot will
>> be rendered.
>>
>> Is this possible with this library too? I'm asking because I saw
>> contour function
>> with Z parameter only (and I need to pass X and Y there too else it
>> would render
>> different plot).
>>
>> Thank you.
>>
>> ______________________________________________________________________
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>
> --
> Dr. Werner Smekal
> Institut fuer Allgemeine Physik
> Technische Universitaet Wien
> Wiedner Hauptstr 8-10
> A-1040 Wien
> Austria
>
> email: sme...@iap.tuwien.ac.at
> web: http://www.iap.tuwien.ac.at/~smekal
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>
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