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Why does a simple horizontal link have 2 segments? (Read 1883 times)

jlj30 Full Member Offline I love YaBB 1G - SP1! Posts: 183 Joined: Sep 4^th, 2011	Why does a simple horizontal link have 2 segments? Jun 10^th, 2013 at 2:51pm	Print Post
	Hi, I'm trying to place images on link segments based on user preference - e.g., First Segment, Longest Segment, Last Segment. If I examine the SegmentCount property of the link and the ControlPoints.Count property, I come up with: 2 segments and 3 control points. Here are the x/y coordinate pairs for my simple link: 66.5 / 71 , 103.5 / 71 , 103.5 / 71 As you can see, if I wanted to get the Last Segment for this link, I'd be looking at a single pixel Can you explain why this is so. Also is there a simple way to find the longest segment (perhaps you've already provided someone with the necessary code). As usual, thanks in advance for any help in understanding this. Jim


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Why does a simple horizontal link have 2 segments? Reply #1 - Jun 10^th, 2013 at 4:53pm	Print Post
	Hi, Cascading links always have at least two segments, to let the link grow both horizontally and vertically when you move its nodes. Just ignore the second segment if you detect its points coincide. You can loop over consecutive pairs of points in the link's ControlPoints collection and call Utilities.Distance to find the longest segment. I hope that helps, Stoyan


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