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obstacle routing issue (Read 10301 times)

sbailey Junior Member Offline Posts: 61 Location: MD Joined: Apr 24^th, 2009	obstacle routing issue Apr 15^th, 2013 at 3:57pm	Print Post
	So, I'm creating tables and calling PutObstacle( true ) on them. Later, I'm creating arrows and calling PutAutoRoute( true ) on them. However, the arrows still cross right over my tables. Is there a step I'm missing?

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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: obstacle routing issue Reply #1 - Apr 15^th, 2013 at 4:03pm	Print Post
	If there are any large background nodes behind the tables, you'll need to set Obstacle to false for them, or otherwise the routing function will fail to find a path. If the tables are close to each other, you might have to assign a smaller value to RoutingOptions.GridSize. I hope that helps, Stoyan


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sbailey Junior Member Offline Posts: 61 Location: MD Joined: Apr 24^th, 2009	Re: obstacle routing issue Reply #2 - Apr 15^th, 2013 at 6:20pm	Print Post
	i set the large nodes' obstacle property to false and the grid size to 1. i'm still having problems. it goes target \| table \|---------source

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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: obstacle routing issue Reply #3 - Apr 16^th, 2013 at 10:14am	Print Post
	Does it find a path if you call the arrow.Route() method?


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sbailey Junior Member Offline Posts: 61 Location: MD Joined: Apr 24^th, 2009	Re: obstacle routing issue Reply #4 - Apr 17^th, 2013 at 6:57pm	Print Post
	sadly, no. i've tried route after creating each arrow, and also routeallarrows when done building the flowchart.

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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: obstacle routing issue Reply #5 - Apr 17^th, 2013 at 7:41pm	Print Post
	Could you attach here a flowchart file showing the problem?


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sbailey Junior Member Offline Posts: 61 Location: MD Joined: Apr 24^th, 2009	Re: obstacle routing issue Reply #6 - Apr 26^th, 2013 at 5:05pm	Print Post
	Stoyo wrote on Apr 17^th, 2013 at 7:41pm: Could you attach here a flowchart file showing the problem? i can't attach it here in case i mistakenly left any proprietary information in (i think i stripped it all out), but could e-mail it to you! support@mindfusion.eu?

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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: obstacle routing issue Reply #7 - Apr 26^th, 2013 at 5:12pm	Print Post
	Yes, email it to support@mindfusion and our developer will check it.


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: obstacle routing issue Reply #8 - Apr 26^th, 2013 at 5:27pm	Print Post
	There are several large nodes in the background marked as obstacles, at least in the file you sent us, so routing cannot find any path when the target nodes are over them. If you set Obstacle to false for the white "Sometext D(E)" nodes, and the gray ones behind them, routing starts to work. I hope that helps, Stoyan


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sbailey Junior Member Offline Posts: 61 Location: MD Joined: Apr 24^th, 2009	Re: obstacle routing issue Reply #9 - Apr 26^th, 2013 at 6:34pm	Print Post
	I believe I found my bug. Still, it's good to know that routing can't occur over non-obstacles. Thanks!

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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: obstacle routing issue Reply #10 - Apr 26^th, 2013 at 7:04pm	Print Post
	Quote: Still, it's good to know that routing can't occur over non-obstacles Actually, it should't be occurring over obstacles, and should be working fine over non-obstacles. Stoyan


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: obstacle routing issue Reply #11 - Apr 26^th, 2013 at 7:12pm	Print Post
	The big white box in the background from the last file was set as an obstacle too. Perhaps we have not used the correct English term ? Obstacle meaning something obstructing / standing in the link's way, so you must set it to false to stop it from obstructing? Note that setting Obstacle to false does not re-route the links so you might not be seeing the result right away, you will have to move some node or call link.Route to trigger new path-finding.


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sbailey Junior Member Offline Posts: 61 Location: MD Joined: Apr 24^th, 2009	Re: obstacle routing issue Reply #12 - Apr 29^th, 2013 at 7:41pm	Print Post
	You expressed it perfectly. I was multitasking and not reading well, sorry.

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sbailey Junior Member Offline Posts: 61 Location: MD Joined: Apr 24^th, 2009	Re: obstacle routing issue Reply #13 - May 30^th, 2013 at 2:03pm	Print Post
	in this flowchart, the only thing that's marked explicitly as an obstacle is the table the arrows are coming from. still, the right-hand arrow crosses back over the table instead of going around it. what did i do wrong this time? [edit] now that i think about it, the box the right-hand arrow is coming out of is right on the table's border. that might be the problem. i'm going to nudge it over by one pixel and see what happens. [edit] even moving it over 20 pixels led to the same result. [edit] fixed it by using the "LeftInRightOut" anchor pattern. disregard!

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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: obstacle routing issue Reply #14 - May 30^th, 2013 at 2:28pm	Print Post
	It got routed for me after calling RouteAllArrows, are you sure you haven't reset its point positions or SegmentCount at some point? Also both arrows are unconnected for some reason, they start at the table boundaries but aren't connected to it. That could happen if you have set AllowUnanchoredArrows property to false and the table doesn't have anchor points, but AllowUnconnectedArrows is true - then drawing links to that table would create unconnected links. I hope that helps, Stoyan


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