[Qgis-developer] SVG symbols in QGIS with modifiable colors

[Otto Dassau]

Hi Andreas,

I tried the "optimized" SVG output from inkscape - looks better, but still I
can only change fill color, or stroke. But fill seems to overwrite stroke
and I never was able to define stroke-width.

Do you have a more complex example, where I could try to figure out what's
wrong with my tree.svg definition?

Regards
Otto

Am Thu, 19 Jul 2012 14:09:14 +0200
schrieb Andreas Neumann <a.neumann at carto.net>:

>  Hi Otto,
> 
>  Have you tried using presentation attributes only instead of the style 
>  attribute that mixes everything?
> 
>  It may be that QGIS only looks into the fill, stroke and stroke-width 
>  attributes and not in the style attribute.
> 
>  The way Inkscape exports SVG is a bit of a mess. It also exports way 
>  too many style attributes (where there are defaults that you could omit) 
>  with unnecessary repeats (over and over again). A manual SVG code would 
>  easily be 1/4 of the size that Inkscape generates. But there is an 
>  option to output an "optimized" or "optimiertes" SVG file where you can 
>  choose to use "Stil nach XML" (Style to XML).
> 
>  Hope this helps,
>  Andreas
> 
>  On Thu, 19 Jul 2012 09:52:30 +0200, Otto Dassau wrote:
> > Hi,
> >
> > I tried to follow the howtos in the web about defining colors for svg 
> > with
> > param(fill), param(outline) and param(stroke-width).
> >
> > <svg width="100%" height="100%">
> > <rect fill="param(fill) #ff0000" stroke="param(outline) #00ff00"
> > stroke-width="param(stroke-width) 10" width="100" height="100"> 
> > </rect>
> > </svg>
> >
> > I used a copy from the svg /usr/share/qgis/svg/gpsicons/tree.svg. It 
> > looks a
> > little different:
> >
> > [...]
> >
> > 
> > style="font-size:12px;stroke:#000000;stroke-width:3;fill:#a7a5a5;fill-opacity:
> >
> > 
> > 1;stroke-miterlimit:4;stroke-dasharray:none;stroke-linejoin:miter;stroke-linecap:butt"
> >      d="M 56.010357,6.2503568 L 30.572857,43.031607 L 
> > 37.729107,43.031607 L
> >      23.666607,63.344107 L 33.072857,63.344107 L 18.291607,84.719107 
> > L
> >      46.510357,84.719107 L 46.510357,99.812857 L 65.541607,99.812857 
> > L
> >      65.541607,84.687857 L
> > [...]
> >
> > All I managed to change is the fill value with the syntax below, but 
> > it
> > doesn't work for stroke and stroke width.
> >
> > [...]
> >
> > 
> > style="font-size:12px;stroke:param(outline);stroke-width:param(stroke-width);
> >
> > 
> > fill:param(fill);fill-opacity:1;stroke-miterlimit:4;stroke-dasharray:none;
> >      stroke-linejoin:miter;stroke-linecap:butt"
> >      d="M 56.010357,6.2503568 L 30.572857,43.031607 L 
> > 37.729107,43.031607 L
> >      23.666607,63.344107 L 33.072857,63.344107 L 18.291607,84.719107 
> > L
> >      46.510357,84.719107 L 46.510357,99.812857 L 65.541607,99.812857 
> > L
> >      65.541607,84.687857
> > [...]
> >
> > Has the syntax changed? Or how does it work with more complex svgs. I 
> > also
> > created a svg with inkscape, it shows the same syntax as tree.svg.
> >
> > Thanks a lot
> > Otto
> >
> >
> >
> > _______________________________________________
> > Qgis-developer mailing list
> > Qgis-developer at lists.osgeo.org
> > http://lists.osgeo.org/mailman/listinfo/qgis-developer
> 


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