[pstricks] linewidth

[Patrice MÉGRET]

Dear Christophe,
Dear Luis,

Thanks for your info.

Of course, linestyle=none is the best way to proceed.

In fact, I have some trouble with sublines on graphs and as I used the linewidth parameter for this lines, I was thinking to put linewidth=0pt to temporally disable the drawing of that part of the graph.

Best regards,

Patrice    




-----Message d'origine-----
De : PSTricks [mailto:pstricks-bounces at tug.org] De la part de Christoph Bersch
Envoyé : mardi 5 mars 2013 13:03
À : pstricks at tug.org
Objet : Re: [pstricks] linewidth

Hi,

Am 04.03.2013 17:56, schrieb Patrice MÉGRET:
>
> \psline[linewidth=0pt,linestyle=dashed](1,1)
>
> When linestyle is 'dotted' and linewidth is 0pt nothing is displayed 
> as I expect but when linestyle is 'dashed' or 'solid' with 
> linewidth=0pt, a line is nevertheless drawn?

I do also see a line with dotted style.

> Is the normal behavior?

Yes, this is normal. Quoting the Postscript language reference
<www.adobe.com/products/postscript/pdfs/PLRM.pdf>:

setlinewidth (which is called when using the PSTricks linewidth parameter):

A line width of 0 is acceptable, and is interpreted as the thinnest line that can be rendered at device resolution-1 device pixel wide. However, some devices
can-
not reproduce 1-pixel lines, and on high-resolution devices, they are nearly invis- ible. Since the results of rendering such "zero-width" lines are device-dependent, their use is not recommended.

To suppress the line you must use linestyle=none.

Best regards,
Christoph
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