[Thuban-list] High Quality printing

[Bernhard Reiter]

On Sun, Dec 19, 2004 at 11:57:18AM +0100, Bernhard Reiter wrote:
> On Fri, Dec 17, 2004 at 05:13:22PM +0100, Lorenzo Moretti wrote:

> This obviously mean I can close your report 

[Sorry for the unusual high count of writing mistakes in my email,
I am typing over a slow line here, but this is no excuse. :( ]

> >    Printing from Thuban.
> > 
> >    The printing quality or PDF quality in Mac OS X is very poor. The
> >    lines are big like a screenshot.
> > 
> >    Is this a OS X problem or Thuban-Wx-Python problem?
> 
> This is a general Thuban issue dealing with the possibilities
> of wx's device context drawing possibilities.
> 
> Actually we envision to build a printing pipeline for high quality printing
> with Thuban and thus only have the direct print mechanism as a kind
> of fallback as long as the printing queue is not ready or in situations
> when it is not available.
> 
> So for high quality printing try the route via the Thuban-Map-Svg format.
> This weekend I released the svgexport extension as stable 1.0.0;
> it allows to to write out an svg file that you can use with any decent
> vector drawing application to create a map for high quality printing.
> 
> Markus Rechtien did a prototype implementation during his Master thesis
> about this printing pipeline which is based on my design concept 
> of loosely couple components.
> 
> Markus wrote a couple of script for Skencil to really make dealing
> with Thuban-Map-SVGs comfortable. Polishing and nicer publication
> within the Skencil project is pending.

Forgot to write that you of course can use Skencil to make nice maps already.

To make a long story short:

	If you want to print a map with a higher quality,
	Use the Extension->Write SVG Legend and Write SVG Map menu commands
	to write two files to disc.

	Then use a stable Skencil, e.g. 0.6.16 
	and open one file and insert the second one
	to get a nice map 
	in which you can adapt symbols and layout for printing.

	Notes: 
	Don't be alarmed on a huge black rectangle, this might be
	a wrongly interpreated clippath box. Just delete it.

	The Skencil extension scripts for selection like:
	"Select same line and color" can very useful.

Bernhard
-- 
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Experts for complex webmapping! In business since 1999:
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