Is there any way to remove 'illegal' curves?
Some times there are shapes that can't be filled because there's a line bent in a bad way, making some kind of loop, or there are two lines across the same points or other possibilities that escape to my mind right now.
Many times it requires a lot of trial and error to find the specific points where the problem is happening.
Do you know if a script could detect and fix those problems? or maybe just select the points with possible issues?
Thanks
Fixing 'illegal' curves?
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Fixing 'illegal' curves?
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Re: Fixing 'illegal' curves?
It should be feasible to identify points that are "illogically" connected in a curve … my test harness has some curve-crawling diagnostics in it -- I'll tweak that into a stand-alone tool over the next few days. At this stage I'll aim to highlight (=select) points that are in more than 2 segments of the same curve (e.g. two separate segments of the same curve have the same pair of points). That should go someway to framing the next questions -- are there other 'illegal' configurations; is it feasible to come up with an automatic and reliable way of resolving such situations.
but/and any other ideas / input are always welcome..
but/and any other ideas / input are always welcome..
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Re: Fixing 'illegal' curves?
Here's a first stab at this:
http://www.mediafire.com/file/wpw4mewsd ... s.lua/file
It's a menu script (I'll suggest it goes in "Draw", but wherever ..).
Run it with a vector layer active.
If it finds a point that is in the same curve twice (even if the point is hidden) it will unhide and select it.
I've run it in a few test scenarios - the "least obvious" is where two or more points are all at the same position - this can take some unpicking - but the tool actually does its job.
There are several "validly unfillable" types of curve -- the tool doesn't try to find these, but if that's a desired function, please say.
some other ideas for a further iteration of this include:
> better indication where there are multiple points at the same location;
> more diagnostic info on "rogue" curves
> working on selected curves and/or whole documents (i.e. at a granularity higher and/or lower than the active layer)
Please give it a whirl.... Feedback would be very much appreciated -- and, especially in cases where the tool fails to find a rogue curve, a copy of the layer / curve in question would be really helpful.
http://www.mediafire.com/file/wpw4mewsd ... s.lua/file
It's a menu script (I'll suggest it goes in "Draw", but wherever ..).
Run it with a vector layer active.
If it finds a point that is in the same curve twice (even if the point is hidden) it will unhide and select it.
I've run it in a few test scenarios - the "least obvious" is where two or more points are all at the same position - this can take some unpicking - but the tool actually does its job.
There are several "validly unfillable" types of curve -- the tool doesn't try to find these, but if that's a desired function, please say.
some other ideas for a further iteration of this include:
> better indication where there are multiple points at the same location;
> more diagnostic info on "rogue" curves
> working on selected curves and/or whole documents (i.e. at a granularity higher and/or lower than the active layer)
Please give it a whirl.... Feedback would be very much appreciated -- and, especially in cases where the tool fails to find a rogue curve, a copy of the layer / curve in question would be really helpful.
Re: Fixing 'illegal' curves?
This script might be a hard one to test. It's only rarely I get a bad curve but when I do it's a PITA!
How do you go about creating a bad curve so we can test the script?
Cheers
D.K
How do you go about creating a bad curve so we can test the script?
Cheers
D.K
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Re: Fixing 'illegal' curves?
Freehand tool? Usually I get some loops at the beginning or close of a curve. Not a big deal to correct manually.
I think the important part is to find the troublemakers. Then highlight them, and let the user decide how to correct. As I wrote in that other post, some search for too-close points could be helpful, additional to the identical positioned ones.
I think the important part is to find the troublemakers. Then highlight them, and let the user decide how to correct. As I wrote in that other post, some search for too-close points could be helpful, additional to the identical positioned ones.
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Re: Fixing 'illegal' curves?
Freehand tool? Usually I get some loops at the beginning or close of a curve. Not a big deal to correct manually.
I think the important part is to find the troublemakers. Then highlight them, and let the user decide how to correct. As I wrote in that other post, some search for too-close points could be helpful, additional to the identical positioned ones.
I think the important part is to find the troublemakers. Then highlight them, and let the user decide how to correct. As I wrote in that other post, some search for too-close points could be helpful, additional to the identical positioned ones.
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Moho 14.1 Mac Mini Plus OS 13.5
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Re: Fixing 'illegal' curves?
here's the next rev http://www.mediafire.com/file/wpw4mewsd ... s.lua/file (same link, but repeated here)
as requested - this one also selects points that are "too close" (and the definition of "too close" depends on the zoom level of the work area - IOW if you've zoomed in and the points are individually discernible they don't get selected).
I've used an arbitrary pixel separation for "too close" -- it works "ok" on the (1920*1080) monitor I tested this on, but haven't done a rigorous test on monitors with different resolutions - so apologies in advance if this isn't quite right -- please let me know!
as requested - this one also selects points that are "too close" (and the definition of "too close" depends on the zoom level of the work area - IOW if you've zoomed in and the points are individually discernible they don't get selected).
I've used an arbitrary pixel separation for "too close" -- it works "ok" on the (1920*1080) monitor I tested this on, but haven't done a rigorous test on monitors with different resolutions - so apologies in advance if this isn't quite right -- please let me know!