[Paraview] matching matlab and paraview colorspaces

[Berk Geveci]

This would be a good addition to the ParaView Wiki? Jay, would you
mind adding it there? If you don't want to do that, would you mind if
I added it? Thanks.

-berk

On Tue, Sep 8, 2009 at 6:43 PM, Jay Oswald <jjo.lists at gmail.com> wrote:
> Just in case anyone else wants to do this... particularly if you wish to
> compare the results of a matlab simulation to some data plotted in Paraview.
>
> The matlab code below will write a xml file that can be imported into
> Paraview.  You can either call it with no arguments (this will give the
> default jet matlab colorspace) or you can call it with the name of another
> colorspace.  Now we can all use the "pink" colorspace for our Paraview
> plotting ;-)
>
> function [] = paraview_color_space(scheme, N)
>    if (exist('scheme') ~= 1), scheme='jet'; end
>    colors = eval(scheme);
>    N = length(colors);
>    fid = fopen([scheme '.xml'], 'w');
>    fprintf(fid, '<ColorMap name="%s" space="HSV">\n', scheme);
>    for i=1:N
>        x = [(i-1)/(N-1); colors(i,:)'];
>        fprintf(fid, '  <Point x="%f" o="1" r="%f" g="%f" b="%f"/>\n', x);
>    end
>    fwrite(fid, '</ColorMap>');
>    fclose(fid);
> end
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