On 7/31/07, Guillermo Espertino <[EMAIL PROTECTED]> wrote:
> David Gowers wrote:
> >> Yes, I'm aware of that. I mean to perform boolean operations on the paths 
> >> tehmselves.
> >>
> > Well I think that GIMP should avoid doing that, and instead expect you
> > to do it with inkscape; transfer of paths between the two programs is
> > very simple and inkscape's just plain better at path editing.
> >
> I'm not talking about vector illustration. I'm rather thinking about
> options for "combine visible layers" in the paths dialog.
> It would be nice to have a pop up window when you choose that option,
> letting you choose between different boolean operations.
> For instance: if you have a road sign, and you created a path for the
> sign, and another for the pole, if you combine those layers the parts
> that intersect are excluded (that's the default behaviour of the
> combination and that's ok). But sometimes you need to join the paths or
> substract a part.
> I know that's possible using the selections and channels, but that makes
> you go through several steps. And sometimes you need a single path (most
> frequently for keep the file clean without hundreds of layers).
> Using the selection and turning it back to paths can be a workaround,
> but it's not 100% accurate and it's not the most handy thing.
If you have a plugin that uses potrace instead, it's much more accurate.

> I noticed this issue a couple of days ago while creating a file for big
> format print and cutout. I needed to export the vector paths for the
> cutting shape, and -as I had to isolate the images using gimp, the most
> handy way to do it would be to make the path just one and re-utilize it
> later.
> It wasn't impossible and I made it with selections and exported the
> paths and combined them later in inkscape, but having a one-step combine
> would been a very important productivity enhancement.

Doesn't 'merge visible' do what you want?
If not, script it.

> Oh, btw. Another thing I was wondering: Is there a way to straighten a
> single path segment in the bezier tool?
Yes; Ctrl+click on each handle (not the round ones; the square ones
that control the shape of the curve) -- ie. once on the handle on one
side, and once on the other; they will each disappear.
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