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anu
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Nodes Overlapping Problem
Jan 9th, 2013 at 6:35am
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Hi,
There is one problem with the resulted diagram (resulted digram is attached), that nodes are overlapping to each other. I have tried to apply following layout to solve it
Code (Java)
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private void performLayout(ShapeNode root)
	{
		TreeLayout tl = new TreeLayout();
		tl.setRoot(root);
		tl.setType(TreeLayoutType.Radial);
		tl.setLevelDistance(100);
		tl.setLinkStyle(TreeLayoutLinkType.Cascading3);
		tl.arrange(diag);
	}


after performing layout i have also use resizeToFitItems() method

diag.resizeToFitItems(countNodes+10);

But i m unable to overcome this overlapping problem. Is there another option that can solve this problem.Thanks for any help.
  
overlap.png (Attachment deleted)
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Stoyo
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Re: Nodes Overlapping Problem
Reply #1 - Jan 9th, 2013 at 8:39am
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Hi,

Radial layout does not consider node sizes and node positions depend only on on the the LevelDistance value, so you might try increasing it. If you prefer the smaller level distance, run a few iterations of SpringLayout after TreeLayout to pull the nodes apart:

Code
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SpringLayout sl = new SpringLayout();
sl.setIterations(150);
sl.arrange(diagram);


This shows radial layout followed by spring layout:



You might also try FractalLayout; it arranges trees in radial manner too, considers node sizes and you might like its arrangements better:



I hope that helps,
Stoyan
  
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anu
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Re: Nodes Overlapping Problem
Reply #2 - Jan 9th, 2013 at 11:57am
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Thanks FractalLayout is working well.
  
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