This is very helpful, thanks. I guess I got confused because when i plugged these rendered values into a spreadsheet, and divided the template values by the rendered values, they produced only roughly the same number, not exactly. Would the exact scale be lost in render/export ?
Thanks again, Jay On Mon, 2006-10-02 at 22:37 +0100, Ian Redfern wrote: > It looks like you're looking at router.shape, one of the Cisco ones I > converted from PostScript. > > In Dia shapes, the absolute location and scale of the coordinate > system don't matter, and you can pick any origin and multiplier. So > for some A, B and C > > svg.x = A + C*shape.x > svg.y = B + C*shape.y > > The gsave/setmatrix are comments I left in to allow me to debug the > results of the PostScript conversion - they now serve no purpose. > > You can turn the shapes into pure SVG by removing everything but the > <svg:path> tags and wrapping the whole thing in <svg > xmlns:svg="http://www.w3.org/2000/svg";>...</svg> > > Ian Redfern. > > On Mon, 2006-10-02 at 14:22 -0400, Jason Greenberg wrote: > > Hello, I'm trying to parse the SVG/XML shape files in javascript, but > > before I can even do that, I need to understand what the file format is. > > > > Here's an example of a couple of lines that have been rendered in dia > > and exported to svg format (This works great in firefox): > > > > <path style="fill: none; fill-opacity:0; stroke-width: 0.043; stroke: > > #aae6ff" d="M 15.5506 6.3581 L 15.5506,7.43852"/> > > <path style="fill: none; fill-opacity:0; stroke-width: 0.043; stroke: > > #000000" d="M 19.9658 6.3581 L 19.9658,7.43852"/> > > > > This makes sense to me, and is fully usable. The SVG .shape file format > > seems to be encoded in a way that I don't understand - here's the same > > paths from the shape file in its raw format: > > > > <!--gsave--> > > <svg:path d="M1 1216L1 2949" style="stroke: #aae6ff; stroke-width: 0.43; > > fill: none"/> > > <!--gsave--> > > <svg:path d="M7083 1216L7083 2949" style="stroke: #000000; stroke-width: > > 0.43; fill: none"/> > > <!--gsave--> > > <!--setmatrix--> > > > > Questions: > > 1) How do the numerical values correspond? (dividing doesn't seem to > > produce the same multiplier) > > 2) What are these gsave and setmatrix indicators all about? > > > > 3) Fingers crossed - does anyone know of a way that I could easily > > render these shape files in html using SVG? > > > > Thanks so much! > > > > Jay Greenberg > > CCIE #11021 > > > > > > This e-mail and any attachment is for authorised use by the intended > recipient(s) only. It may contain proprietary material, confidential > information and/or be subject to legal privilege. It should not be > copied, disclosed to, retained or used by, any other party. If you are > not an intended recipient then please promptly delete this e-mail and > any attachment and all copies and inform the sender. Thank you. > > _______________________________________________ > Dia-list mailing list > [email protected] > http://mail.gnome.org/mailman/listinfo/dia-list > FAQ at http://www.gnome.org/projects/dia/faq.html > Main page at http://www.gnome.org/projects/dia > _______________________________________________ Dia-list mailing list [email protected] http://mail.gnome.org/mailman/listinfo/dia-list FAQ at http://www.gnome.org/projects/dia/faq.html Main page at http://www.gnome.org/projects/dia
