On Sat, 19 Apr 2008 00:21:38 +1200 [EMAIL PROTECTED] wrote: > > > On Fri, 18 Apr 2008 23:49:01 +1200, Wesley Parish > <[EMAIL PROTECTED]> wrote: > > On Friday 18 April 2008 12:36, Andrew Errington wrote: > >> On Fri, April 18, 2008 06:15, Volker Kuhlmann wrote: > >> > On Fri 18 Apr 2008 00:34:28 NZST +1200, Christopher Sawtell wrote: > >> >> Many more using Google "gpl free raster to vector" > >> > > >> > Having the schematic in vector format is one thing. Do you also want > > it > >> > in a format suitable for a schematic editor? That's probably a > > no-hoper. > >> > >> Might not be quite so bad. KiCad (for example) is a free, open-source > >> schematic capture and PCB layout tool. I'm not sure of the > > documentation > >> for the schematic file format, but here's something: > >> > >> http://stawoo.com/dokuwiki/doku.php?id=ecld:kicad:schematic > >> > >> The tricky part would be getting the raster-to-vector software to > >> recognise the difference between a bunch of lines joining the nodes and > >> the lines that make up a component symbol. > > > > When the jgp is describing a 3d part, it gets hairy ... real hairy. > >> > >> IMHO it would be easier to print the original JPG and use KiCad to draw > >> the schematic again from scratch. > > > > All I need, since the jpgs I'm talking about describe boats' lines, is to > > get > > the CAD I decide to use, to place the lines along the defined axes at the > > defined points - eg, one set of lines I'm playing with, the Spray, has > its > > waterline and station points at 6 inch to 2 foot distances. It's > > impossible > > with the minimal amount of information a jpg file stores, to derive that > > from > > the jpg file itself - I would need to add it using the CAD program > itself. > > > > What i want is to be able to turn the jpg into a set of lines in a CAD > > file > > that I can take and use as necessary. > > > I have a feeling that one of the SVG drawing tools has a "trace" mode where > you can use a background jpg as a guide to creating an svg (ie vector) > file. Being a boat I imagine a lot of curved lines. A good bezier tool > might be useful.
Inkscape has that function, uses Potrace as I recall John
