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Bug in Gem layout
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Borg  
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 More options May 31, 2:23 pm
From: Borg <b...@uu3.net>
Date: Sun, 31 May 2009 11:23:42 -0700 (PDT)
Local: Sun, May 31 2009 2:23 pm
Subject: [1.0.3] Bug in Gem layout
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Hello.

I've found a BUG in Gem Layout.
When all nodes have loop edges following error appears:
java.lang.ArrayIndexOutOfBoundsException: -1 when you try to do Gem
Layout.

How to reproduce:
Load following .gdf file and try to do Gem Layout:
nodedef> name, label, color, strokecolor, labelvisible
n0,"n1","158,176,255","255,255,255",1
n1,"n2","255,255,255","255,255,255",1
n2,"n3","255,255,255","255,255,255",1
edgedef> node1, node2, width, weight, comment VARCHAR
n0,n0,2.0,2.0,""
n1,n1,2.0,10.0,""
n0,n1,2.0,2.0,""
n2,n2,2.0,100.0,""
n0,n2,2.0,2.0,"test"

Please fix fix fix :)
Please compile using 1.0.3 branch


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Eytan Adar  
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 More options May 31, 4:08 pm
From: Eytan Adar <eytana...@gmail.com>
Date: Sun, 31 May 2009 13:08:30 -0700
Local: Sun, May 31 2009 4:08 pm
Subject: Re: [1.0.3] Bug in Gem layout
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I'll take a look, but no promises... I'm in the middle of writing my
dissertation.

A workaround is:

foo = removeSelfLoops()
gemLayout()
add(foo)

-E


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Borg  
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 More options Jun 1, 3:53 pm
From: Borg <b...@uu3.net>
Date: Mon, 1 Jun 2009 12:53:40 -0700 (PDT)
Local: Mon, Jun 1 2009 3:53 pm
Subject: Re: Bug in Gem layout
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Yeah.
This happens only when ALL nodes have loops.
If even one node doesnt have loop, it works fine.

I belive its something small.. hidden deep in code :) hope it will be
not so hard to find.

Good luck :)
Borg

On May 31, 10:08 pm, Eytan Adar <eytana...@gmail.com> wrote:


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Borg  
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 More options Jun 12, 10:58 am
From: Borg <b...@uu3.net>
Date: Fri, 12 Jun 2009 07:58:30 -0700 (PDT)
Local: Fri, Jun 12 2009 10:58 am
Subject: Re: Bug in Gem layout
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Okey. I was able to fix it.
as I said, it was quite simply.
I tested it and it works fine on few of my layouts.
Basicaly fix just ignores loops.
Here it goes:

Index: GEM.java
===================================================================
--- GEM.java    (revision 2)
+++ GEM.java    (working copy)
@@ -225,7 +225,7 @@
        while (nodeSet.hasNext()) {
            uint = (Integer)nodeSet.next();
            ui = uint.intValue();
-           if (gemProp[ui].in != 0) {
+           if (ui != v && gemProp[ui].in != 0) {
                q.addFirst(uint);
                gemProp[ui].in = gemProp[v].in + 1;
            }

On Jun 1, 9:53 pm, Borg <b...@uu3.net> wrote:


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