join-colinear-lines and split-line-segments mutually exclusive

[James Walker]

I have been trying to debug some odd behavior in how nearest start point, split-line-segments or using custom geom in the dxf to allow specific placement of start points.  This all being done in the context of CAM side compensation.

What I found was that when the offset path was being processed a method to join co-linear lines was always called.  This method does just what it says.  However that actually clobbers the desired impact of split-line-segments.  Or custom geom (i.e. a split line) to allow specific placement of a start point.

I found commenting out this call (or moving it under some options control) got the behavior expected.

Just so people are aware.

Cheers - J.

[Christian Kohlöffel]

Hi James,

 

i thought the offset algorithm would require joined collinear lines, at least for lines which are not start or end points. Therefore you might have to limit the commenting out to the start and end lines (specially for closed contours).

 

regards

Christian   

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