wow, that's a cool feature! I didn't know XTherion can do that. It's true that Inkscape can't do line tracing. It has a "trace bitmap" feature (based on potrace) which does trace filled shapes, but this is pretty useless for tracing cave drawings.
Cheers, Thomas Stacho Mudrak wrote, On 06/07/12 12:54: > I am afraid, there are no instructions :( > > I needed it to convert raster surface contours to vector data, to be > able to generate 3D model. > > You need to load a background image. Then - on a raster line - add firt > two points of line, their distance defines tracing step. Like this: > > Inline images 2 > > Then click continue tracing and this is the result. > Inline images 3 > > You can then convert this line to bezier curve. > > Inline images 4 > > HTH, S. > > P.S. Ad Inkscape - I have been playing a lot with raster -> vector > features of Inkscape, but ended with programming my own digitalization > tool in xtherion. Inkscape was not designed to be used this way. > > On 7 June 2012 02:42, Bruce <bruce at tomo.co.nz <mailto:bruce at > tomo.co.nz>> > wrote: > > Are there any instructions regarding Xtherionâs âtrace lineâ and > âconvert to curveâ line editing features? > > I expect there are â just cannot find them. > > > > The âconvert to curveâ seems to take a line with straight segments > and converts it to a smooth curve, so perhaps not so complicated. > > I have not been able to get any useful insights after playing with > âtrace lineâ, except that it adds two buttons to the interface. > > Thanks > > Bruce
