point list order

Replies to This Discussion

Permalink Reply by qiushi on April 24, 2014 at 5:38am

Here you can see clearly the problem.

Permalink Reply by Danny Boyes on April 24, 2014 at 5:46am

Try this:

It works on the assumption that the ends of your curves are going to be more or less regularly spaced out.

 

Attachments:

• pointlistorder_db.gh, 617 KB

Permalink Reply by qiushi on April 24, 2014 at 6:01am

Thanks a lot! Danny!

It looks a bit complicated than I thought, I do tried flip,but it didn't work.

Permalink Reply by Danny Boyes on April 24, 2014 at 6:25am

You have to identify which ones to flip. That's the summary of what this does.

1) Draw a polyline based on all the start points of you curves

2) Explode the polyline into segments

3) Measure the segments

4) If greater then Average length then Assume that the curve has changed direction from the one before.

5) Set a pattern of which side the "target" is set. (by this I mean if there is a series of curves that all need flipping then we have to account for this)

6) Set a 0s and 1s pattern for which curves to flip and which to leave

7) Dispatch

8) Flip or not

9) Merge

10) Ta Daaaaa 

Permalink Reply by qiushi on April 24, 2014 at 7:00am

:-D!

haha!Thanks!