Hi Michael,
Sorry for getting back to you only now, and thanks for the help.
If you have Qt installed there should be an sample Svg viewer app in the
examples somewhere. If you'd like I can send it to you somehow, just let me
know.
I tested the new .svg you sent me it's rendering the same in Firefox and
Qt. So it works.
Once again thanks for your help and let me know if I can send you something
to help with testing in Qt. Personally I think Qt's support for svg is
still a bit iffy.
Have a nice,
Christiaan
On 04/01/2008, Michael Droettboom <[EMAIL PROTECTED]> wrote:
>
> Can you please test the attached SVG file?
>
> Cheers,
> Mike
>
> Michael Droettboom wrote:
> > Between 0.90 and 0.91, the SVG backend was changed to store the glyph
> > outlines of the characters in the SVG file itself. (This is on by
> > default, but can be turned off with the rc parameter
> > svg.embed_char_paths). This helps make the SVG files much more
> > portable, as the need to install the math fonts has long been a FAQ on
> > this list. I've been doing all my testing with Firefox and Inkscape.
> > Is there a simple Qt-based SVG viewer I could add to my testing regimen?
> >
> > I won't pretend to be an expert on the SVG spec, but it does say this:
> >
> > <http://www.w3.org/TR/SVG/struct.html#Head>
> >
> > ====
> >
> > To provide some SVG user agents with an opportunity to implement
> > efficient implementations in streaming environments, creators of SVG
> > content are encouraged to place all elements which are targets of local
> > URI references within a 'defs' element which is a direct child of one of
> > the ancestors of the referencing element. For example:
> >
> > <?xml version="1.0" standalone="no"?>
> > <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
> > "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd";>
> > <svg width="8cm" height="3cm"
> > xmlns="http://www.w3.org/2000/svg";>
> > <desc>Local URI references within ancestor's 'defs' element.</desc>
> > <defs>
> > <linearGradient id="Gradient01">
> > <stop offset="20%" stop-color="#39F" />
> > <stop offset="90%" stop-color="#F3F" />
> > </linearGradient>
> > </defs>
> > <rect x="1cm" y="1cm" width="6cm" height="1cm"
> > fill="url(#Gradient01)" />
> > <!-- Show outline of canvas using 'rect' element -->
> > <rect x=".01cm" y=".01cm" width="7.98cm" height="2.98cm"
> > fill="none" stroke="blue" stroke-width=".02cm" />
> > </svg>
> >
> > View this example as SVG (SVG-enabled browsers only)
> >
> > In the document above, the linear gradient is defined within a 'defs'
> > element which is the direct child of the 'svg' element, which in turn is
> > an ancestor of the 'rect' element which references the linear gradient.
> > Thus, the above document conforms to the guideline.
> >
> > ====
> >
> > So we are complying to that part of the spec. The spec doesn't seem to
> > say anything about whether the defs must appear before or after their
> > use -- but maybe I just can't find the relevant paragraph.
> >
> > In any case, this should be easy enough to fix on matplotlib's end, and
> > certainly won't break compliance with the spec. I'll have a look, and
> > may come back to you for help with testing with Qt if you don't mind.
> >
> > Cheers,
> > Mike
> >
> > Christiaan Putter wrote:
> >> Hi there,
> >>
> >> Just an update regarding the svg problem I was having:
> >>
> >> I simply went back to 0.90 and that's working now.
> >>
> >> Would still be nice to know if the svg output from matplotlib complies
> >> with the standard or whether it's Qt that's messing things up.
> >>
> >> Merry x-mass!
> >>
> >> cputter
> >>
> >>
> >>
> >> On 21/12/2007, *Christiaan Putter* <[EMAIL PROTECTED]
> >> <mailto:[EMAIL PROTECTED]>> wrote:
> >>
> >> Hi guys and girls,
> >>
> >> Quick question regarding matplotlib's svg backend...
> >>
> >> I've embeded pyhton into c++ and Qt's (4.3.3) svg support is having
> >> some problems with .svg files created by matplotlib. Text isn't
> >> showing up. Firefox displays the same .svg file correctly
> though...
> >>
> >> The problem:
> >>
> >> It seems some text stuff is stored in a section called defs at the
> >> end of the file with stuff linking to this earlier in the file. Qt
> >> doesn't like that and only displays the normal plot stuff (lines,
> >> etc.) but not the labels and other text.
> >>
> >> More exact:
> >>
> >> <use xlink:href="#c_7" .....
> >>
> >> references
> >>
> >> <path id="c_7" d="M10.6875 .....
> >>
> >> at the end of the file.
> >>
> >>
> >>
> >> When I simply cut and paste the defs section to the beginning of
> the
> >> file it solves the problem.
> >>
> >> What does the svg standard say about this? I assume Qt's
> >> implementation is defect...
> >>
> >> Has anybody else encountered this problem? I'll send an e-mail to
> >> Qt too and ask them about it.
> >>
> >> Hope you're all having a nice day.
> >>
> >> Regards,
> >> cputter
> >>
> >>
> >>
> >>
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>
> --
> Michael Droettboom
> Science Software Branch
> Operations and Engineering Division
> Space Telescope Science Institute
> Operated by AURA for NASA
>
>
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