Re: [Gnuplot-info] non-working linewidth and dashpattern in epslatex terminal? (was: How to get different dashes for the splot contour in epslatex term?)

[Ethan A M. <eam...@gm...>]

On Sunday, 15 October 2017 10:53:08 Ethan A Merritt wrote:
> On Sunday, 15 October 2017 13:06:50 David Kastrup wrote:
> > 
> > So I now tried compiling 5.2.0.
> > 
> > No change in the epslatex terminal: it would appear that _only_ the
> > linewidth and the dash pattern for linestyle 1 are ever consulted and
> > are used for _all_ lines.  Linecolor can be changed per line style, but
> > pretty much nothing else.
> 
> Correct.  It steps through sequential line colors.
> 
> > Anybody have a good idea for where to patch this up?
> 
> The following 1-line change might or might not produce acceptable
> results for you.   One problem is that the line segments making up
> a contour are not necessarily drawn in order and some terminals
> reset the dash pattern for each segment, leading to mostly solid
> or mostly missing lines rather than the desired dash pattern.
> For other terminal types this doesn't seem to be a problem.
> 
> If this does work for you please report back. 
> We could make it an optional setting of some sort.
> 
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%
> --- gnuplot52/src/graph3d.c     2017-09-15 20:26:48.393406844 -0700
> +++ test52/src/graph3d.c        2017-10-15 10:50:39.698779538 -0700
> @@ -1265,6 +1265,8 @@ do_3dplot(
>                                 /* otherwise the following would be sufficient */
>                                 load_linetype(&ls, this_plot->hidden3d_top_linetype + ic);
>                             }
> +/* DEBUG */                /* increment dashtype also */
> +/* DEBUG */                thiscontour_lp_properties.d_type = ic;

probably better as

  +/* DEBUG */                thiscontour_lp_properties.d_type = ls.d_type;


>                             thiscontour_lp_properties.pm3d_color = ls.pm3d_color;
>                             term_apply_lp_properties(&thiscontour_lp_properties);
>                         }
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%
> 
> 

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