Links intersection display when handle is close to crossing - Diagramming Components - WPF

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Links intersection display when handle is close to crossing (Read 7527 times)

nullable Full Member Offline I Love MindFusion! Posts: 124 Joined: Aug 25^th, 2022	Links intersection display when handle is close to crossing Apr 20^th, 2023 at 6:42am	Print Post
	Hi Mindfusion team. Is there a possibility to render link crossing when line handle is close to it?
	« Last Edit: Apr 24^th, 2023 at 5:21am by nullable »
	Division25_PNHuhpzLJl.png ( 13 KB \| 144 Downloads )
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Slavcho YaBB Moderator Offline tech.support Posts: 3439 Joined: Oct 19^th, 2005	Re: Links intersection display when handle in close to crossing Reply #1 - Apr 20^th, 2023 at 11:35am	Print Post
	Hi, It's not drawing at control points to avoid bridging over link bends. We'll add some checks whether control point is actually bending its link for next release. Regards, Slavcho Mindfusion


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Slavcho YaBB Moderator Offline tech.support Posts: 3439 Joined: Oct 19^th, 2005	Re: Links intersection display when handle in close to crossing Reply #2 - Apr 20^th, 2023 at 1:10pm	Print Post
	More important for us is the missing segment joints seen on your screenshot, when crossings are enabled for thick links. New build here should fix these - https://mindfusion.eu/_beta/wpfdiag392.zip Regards, Slavcho Mindfusion


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Slavcho YaBB Moderator Offline tech.support Posts: 3439 Joined: Oct 19^th, 2005	Re: Links intersection display when handle is close to crossing Reply #3 - Apr 27^th, 2023 at 2:05pm	Print Post
	This should filter out collinear control points - https://mindfusion.eu/_beta/wpfdiag392.zip Regards, Slavcho Mindfusion


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nullable Full Member Offline I Love MindFusion! Posts: 124 Joined: Aug 25^th, 2022	Re: Links intersection display when handle is close to crossing Reply #4 - May 2^nd, 2023 at 4:08am	Print Post
	It is still not working. Maybe I'm missing some point

	c6G3IbhpAp.png ( 7 KB \| 137 Downloads ) pH0gt7RjBQ.png ( 7 KB \| 138 Downloads )
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Slavcho YaBB Moderator Offline tech.support Posts: 3439 Joined: Oct 19^th, 2005	Re: Links intersection display when handle is close to crossing Reply #5 - May 3^rd, 2023 at 5:19am	Print Post
	This works for us. Please try released v3.9.2 version in case our developers improved anything in last days - https://www.nuget.org/packages/MindFusion.Diagramming.Wpf/ Please attach the file so we can try this with same point coordinates if still happening. Regards, Slavcho Mindfusion


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nullable Full Member Offline I Love MindFusion! Posts: 124 Joined: Aug 25^th, 2022	Re: Links intersection display when handle is close to crossing Reply #6 - May 3^rd, 2023 at 8:52am	Print Post
	The update is working for vertical crossings, but doesn't work for horizontal ones.

	links.svg ( 11 KB \| 143 Downloads ) ZBWydLDXSC.png ( 9 KB \| 135 Downloads )
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nullable Full Member Offline I Love MindFusion! Posts: 124 Joined: Aug 25^th, 2022	Re: Links intersection display when handle is close to crossing Reply #7 - May 3^rd, 2023 at 8:52am	Print Post
	deleted attachment

	ZBWydLDXSC.png ( 9 KB \| 135 Downloads )
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Slavcho YaBB Moderator Offline tech.support Posts: 3439 Joined: Oct 19^th, 2005	Re: Links intersection display when handle is close to crossing Reply #8 - May 3^rd, 2023 at 1:33pm	Print Post
	Please attach diagram xml file.


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Slavcho YaBB Moderator Offline tech.support Posts: 3439 Joined: Oct 19^th, 2005	Re: Links intersection display when handle is close to crossing Reply #9 - May 3^rd, 2023 at 3:31pm	Print Post
	Actually your last screenshots seem to be showing missing segment joints where links bend, which should be fixed too. Please verify you are compiling against latest assemblies.


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nullable Full Member Offline I Love MindFusion! Posts: 124 Joined: Aug 25^th, 2022	Re: Links intersection display when handle is close to crossing Reply #10 - May 4^th, 2023 at 6:37am	Print Post
	Do you mean these ones? I actually use the latest version of mindfusion retrieved from NuGet.

	51NNw4s6Dd.png ( 7 KB \| 127 Downloads ) devenv_VE8fGqespb.png ( 40 KB \| 132 Downloads )
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nullable Full Member Offline I Love MindFusion! Posts: 124 Joined: Aug 25^th, 2022	Re: Links intersection display when handle is close to crossing Reply #11 - May 4^th, 2023 at 6:42am	Print Post
	Also, I don't actually know how to export the diagram to XML file. Maybe you could add possibility to validate whether to draw link crossings or not on our side (same as you did with crossing validation)?


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Slavcho YaBB Moderator Offline tech.support Posts: 3439 Joined: Oct 19^th, 2005	Re: Links intersection display when handle is close to crossing Reply #12 - May 4^th, 2023 at 7:22am	Print Post
	Yes, these should be drawn as mitered joints now for thicker links (LinkCrossings is passing through alternative drawing path and was ignoring joints). But this could also be disabled by setting StrokeLineJoin property or by custom-drawing code. Quote: add possibility to validate whether to draw link crossings Not sure what you mean by that after we added ValidateLinkCrossing event, in what different way do you need to validate it? Call diagram.SaveToXml method to save the diagram. If you use custom node types, you must also call RegisterItemClass method. Regards, Slavcho Mindfusion


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nullable Full Member Offline I Love MindFusion! Posts: 124 Joined: Aug 25^th, 2022	Re: Links intersection display when handle is close to crossing Reply #13 - May 11^th, 2023 at 6:34am	Print Post
	Hello. I tried to export the diagram from my application, but the classes have too many domain properties and it is impossible to make all of them serializable. So I decided to repeat the issue on the demo, but found another bug when trying to move the handle of the collinear control point. The only thing I can is to demonstrate the scenario that causes links crossing disappear.

	DemoBug.mp4 ( 101 KB \| 140 Downloads ) AppBug.mp4 ( 470 KB \| 128 Downloads ) LinksCrossingsProblems.zip ( 1576 KB \| 149 Downloads )
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nullable Full Member Offline I Love MindFusion! Posts: 124 Joined: Aug 25^th, 2022	Re: Links intersection display when handle is close to crossing Reply #14 - May 11^th, 2023 at 6:35am	Print Post
	Deleted attachments:

	AppBug.mp4 ( 470 KB \| 128 Downloads ) DemoBug.mp4 ( 101 KB \| 140 Downloads )
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