Re: [Gnuplot-bugs] [gnuplot-bug] contour line styles and colors

[Thomas S. <t.s...@fz...>]

please check if this patch
http://old.nabble.com/file/p26858361/graph3d.patch graph3d.patch 
works


Ekrenor wrote:
> 
> Dear all,
> 
> I am puzzled by a strange behaviour when trying to set the line styles
> and colors in the contour-plots.
> I'll try to describe it through a reproducible example.
> 
> I am using gnuplot 4.2 patchlevel 6.
> 
> *** DESCRIPTION AND REPRODUCIBLE EXAMPLE ***
> 
> - SURFACE PLOT and CONTOUR PLOT
> 
> set style line 2 lc rgb "black" lw 2 lt 1
> set style line 3 lc rgb "orange" lw 2 lt 4
> set style increment user
> 
> set iso 30
> set hidden
> set contour both
> 
> f(x,y) = exp(-(x**2 + y**2))*cos(x/4)*sin(y)*cos(2*(x**2+y**2))
> splot [-2:2][-2:2] f(x,y)
> 
> set terminal postscript color enhanced
> set output "case_3D.ps"
> replot
> 
> What do we get here?
> - the 3D plot is fine (red and solid line, I did not touch it infact)
> - the first color contour is solid, width = 2, but is RED, not BLACK
> (despite having indicated lc rgb "black")
> - the second color contour is dotted, width = 2, but is PINK, not
> ORANGE
> - the key (legend) is surprisingly right, showing a black solid and an
> orange dotted sample lines which do not exist in the contour plot
> proper.
> 
> I am confused here: it seems that if I specify the line style, that
> determines also the color, overriding my specifications.
> 
> *** GNUPLOT VERSION ***
> 
> gnuplot> show version long
> 
>        G N U P L O T
>        Version 4.2 patchlevel 6
>        last modified Sep 2009
>        System: Linux 2.6.18-164.6.1.el5
> 
> Compile options:
> -READLINE  +LIBREADLINE  +HISTORY  +BACKWARDS_COMPATIBILITY  +BINARY_DATA
> -LIBGD
> -NOCWDRC  +X11  +X11_POLYGON  +MULTIBYTE  +USE_MOUSE  +HIDDEN3D_QUADTREE
> +DATASTRINGS  +HISTOGRAMS  +OBJECTS  +STRINGVARS  +MACROS  +IMAGE
> 
> DRIVER_DIR     = "/usr/local/libexec/gnuplot/4.2"
> GNUPLOT_PS_DIR = "/usr/local/share/gnuplot/4.2/PostScript"
> HELPFILE       = "/usr/local/share/gnuplot/4.2/gnuplot.gih"
> 
> *** ***
> 
> Thank you for your help.
> 
> Adhemar
> 
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> 

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