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[Octave-bug-tracker] [bug #47974] Visual differences between gnuplot and


From: Rik
Subject: [Octave-bug-tracker] [bug #47974] Visual differences between gnuplot and OpenGL toolkits
Date: Mon, 6 Jun 2016 23:46:27 +0000 (UTC)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0

Follow-up Comment #58, bug #47974 (project octave):

More checking using the Matlab patch examples.  This one is supposed to
produce an interpolated facecolor.


x = [2 5; 2 5; 8 8];
y = [4 0; 8 2; 4 0];
c = [0 3; 6 4; 4 6];
figure
patch(x,y,c)
warning: "interp" not supported, using 1st entry of cdata
warning: called from
    __gnuplot_draw_axes__ at line 775 column 24
    __gnuplot_draw_figure__ at line 172 column 17
    __gnuplot_drawnow__ at line 86 column 5
warning: "interp" not supported, using 1st entry of cdata
warning: called from
    __gnuplot_draw_axes__ at line 775 column 24
    __gnuplot_draw_figure__ at line 172 column 17
    __gnuplot_drawnow__ at line 86 column 5
colorbar


Interpolation is also not supported for edgecolor.


V = [0 0;
1 0;
1 1;
0 1]
set (hp, 'facecolor', 'none')
set (hp, 'linewidth', 5)
set (hp, 'facevertexcdata', [1 0 0; 0 1 0; 0 0 1; 1 0 1])
set (hp, 'edgecolor', 'flat');  # WORKS
set (hp, 'edgecolor', 'interp') # DOES NOT WORK




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