: Force kink-free paths I want to model a railroad line by using paths from GIMP. Of course rail tracks cannot have any kinks. Therefore I have been adjusting the handles of each vertex to have
I want to model a railroad line by using paths from GIMP. Of course rail tracks cannot have any kinks. Therefore I have been adjusting the handles of each vertex to have the same angle:
While that works, it is really inconvenient, inaccurate and annoying. Is there a feature/plugin in GIMP to force the handles to have the same angle, i.e. to forbid any kinks in paths?
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There is a "smooth path" plugin. Basically, you can create a polygonal path, and call the plugin to adjust the handles for maximum smoothness (in other words, it finds the smoothest path that goes through your anchors).
You don't need to move each handle separately.
In GIMP, hold down the shift key as you click and drag on a handle, this will constrain the other handle to the same angle, and keep the curve smooth.
I agree with the comment from Scott. A vector image editor would be better for this kind of work. GIMP is really a raster image editor. Inkscape(dot)org is a free and OpenSource vector image editor.
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