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Setting Labels using GraphML #1502

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ftrotter opened this issue May 31, 2016 · 2 comments
Closed

Setting Labels using GraphML #1502

ftrotter opened this issue May 31, 2016 · 2 comments
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@eduramiba
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Awaiting for response GraphML Import
Milestone
0.9.2

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@ftrotter
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Hello.

When importing GraphML files, I am having trouble setting the label of nodes. So far I have tried three things, based on hints in the various documentation(s). the two unorthodox things I have tried is to add a "label" attribute to the element. I have also tried adding a element with a key of "label". Neither of those seems to work correctly.

As per the graphml standard, the way this should work is using a single element as the first sub-element of the element. That does not seem to work either. The desc element is not very well outlined in the GraphML primer but it is there, at the very end.

Personally I think that the labels should be set a per the GraphML standard, but I would be happy to conform to what gephi is expecting, but there is no mention of setting the labels properly in this gephi documentation.

Thank you all for working on such a great project.

-Fred Trotter
@eduramiba
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Should be fixed with #1719 Please try with latest 0.9.2 snaphost https://github.com/gephi/gephi#nightly-builds

@eduramiba eduramiba self-assigned this Jul 7, 2017
@eduramiba eduramiba added this to the 0.9.2 milestone Jul 7, 2017
@krishna116
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I meet the same question about how to set the label, and I find a method: define custom-label-property in the graphml scope and use the custom-label-property in the node scope.
For example:

<graphml>
  <key id="label" for="node" attr.name="label" attr.type="string"/> <!--Define custom label property-->
  
  <graph id="G" edgedefault="directed">
    <node id="1">
        <data key="label">a</data>      <!--Using custom label property-->
    </node>
    <node id="2">
        <data key="label">b</data>      <!--Using custom label property-->
    </node>
    <node id="3">
        <data key="label">c</data>      <!--Using custom label property-->
    </node>
    <edge source="1" target="2"/>
    <edge source="1" target="3"/>
  </graph>
</graphml>

I don't know about gephi but I know yEd has given an option to mapping any custom property to label so it can be rendered.
image
That's all, thanks.

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@ftrotter @eduramiba @krishna116