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Layout algorithm ignores Box/DiagrammNode bounds
Jul 12th, 2007 at 10:46am
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Hello,

I use FlowChart.NET to create organization charts automatically. In this case, boxes with different sizes, caused by different text sizes, are required. So, it is not possible to determine one unique box size. To arrange the boxes I use the layout algorithms of FlowChart's Pro Edition. Unfortunately, these algorithms ignore the size of nodes!?

For example, the layered layout algorithm provides a NodeDistance property to specify the distance between adjacent nodes (in a layer). Obviously, this value will be interpreted as the distance of node's midpoints (center of box). That's the reason why the box size will not be considered and causes an ugly appearance (overlapping boxes). How can I define a box gap (distance among boxes)?
  
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Re: Layout algorithm ignores Box/DiagrammNode boun
Reply #1 - Jul 12th, 2007 at 11:26am
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Hi,

Currently only the TreeLayout considers the size of nodes while arranging them. You could use it instead of LayeredLayout to arrange the organizational charts.

Stoyan
  
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Re: Layout algorithm ignores Box/DiagrammNode boun
Reply #2 - Jul 12th, 2007 at 12:00pm
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The result of TreeLayout is disappointing.

I guess the TreeLayout does not fit for charts with more than one root node, e.g. two or three chief executive officer.

Do you implement this essential feature (at least for LayeredLayout) in Version 5?
  
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Re: Layout algorithm ignores Box/DiagrammNode boun
Reply #3 - Jul 12th, 2007 at 12:42pm
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Well, that's not exactly a tree. We'll try to implement node size processing for the layered layout while version 5 is in beta tests.

Stoyan
  
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Re: Layout algorithm ignores Box/DiagrammNode boun
Reply #4 - Jul 16th, 2007 at 5:06am
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Thank you for your quick reply.
Now, I am looking forward to using version 5...
  
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Re: Layout algorithm ignores Box/DiagrammNode boun
Reply #5 - Oct 11th, 2007 at 12:05pm
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After updating to version 5 the layered layout algorithm still have the same behavior (ignores node size) ???
Or did I miss something?
  
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Re: Layout algorithm ignores Box/DiagrammNode boun
Reply #6 - Oct 12th, 2007 at 4:57am
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Sorry, we haven't implemented this yet.

Stoyan
  
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Re: Layout algorithm ignores Box/DiagrammNode boun
Reply #7 - Oct 12th, 2007 at 9:21am
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Sad
When is this going to be available?
(at end of October?)
  
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Re: Layout algorithm ignores Box/DiagrammNode boun
Reply #8 - Oct 12th, 2007 at 12:02pm
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I don't know. We'd like to have this feature too, but it's not that easy to implement.

We have recently added support for different node sizes to the AnnealLayout. I can send you a preview build of version 5.0.1 if you wish to try it.

Stoyan
  
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Re: Layout algorithm ignores Box/DiagrammNode boun
Reply #9 - Oct 16th, 2007 at 8:20am
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Hi,

This version contains an updated LayeredLayout that considers the nodes sizes:

https://mindfusion.org/_temp/fcnet501_pre.zip

The implementation is still in experimental stage, so that's disabled by default. To try it, set

LayeredLayout.IgnoreNodeBounds = false;

Stoyan
  
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