Re: few remarks

[Dave D. <dde...@es...>]

Ethan Merritt <merritt@u.washington.edu> writes:

> On Thursday 12 August 2004 03:44 am, Dave Denholm wrote:
>> 		if (type != LineSolid || width != 0) {	/* select solid line */
>> 		    XSetLineAttributes(dpy, gc, 0, LineSolid, CapButt, JoinBevel);
>> 		} 
>> 
>> - try setting the linewidth param to 1 in the XSetLineAttributes call.
>
> Thanks for the tip.   The change I actually made was to unconditionally call
> 	
>             /* Force line type to solid, with round ends */
>             XSetLineAttributes(dpy, *current_gc, plot->lwidth, LineSolid, CapRound, JoinRound);
>
> I was under the impression that passing plot->lwidth was essentially a no-op,
> since that should have been the current state anyhow.  I made it unconditional
> in order to force the CapRound attribute.   But if I understand your summary of
> X oddities, it may actually be the explicit linewidth rather than the CapRound
> that causes the observed problem to go away.
>


I don't think plot->lwidth is appropriate for drawing symbols - if
you've got a very wide (gnuplot) line width, the outline of the points
will be drawn with a wide line.

But maybe that is what you want.



> Daniel, do you care enough to investigate further?
> I'm happy just to leave it as it is, since it seems to work. 
>
> -- 
> Ethan A Merritt       merritt@u.washington.edu
> Biomolecular Structure Center
> Mailstop 357742
> University of Washington, Seattle, WA 98195

-- 
Dave Denholm              <dde...@es...>       http://www.esmertec.com