--------- Mensagem encaminhada ---------
De: RAFAEL SERAPILHA DURELLI <rafael.durelli@ufla.br>
Data: seg., 21 de fev. de 2022 às 11:35
Assunto: Re: [graph-tool] Adding label to vertices
Para: Alexandre Hannud Abdo <abdo@member.fsf.org>

Ok, I managed to use the data/key nodes.

Thanks a lot.

However, how can I access them after loading the grapheme file?

See the graphml example:

<graphml xmlns="http://graphml.graphdrawing.org/xmlns" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://graphml.graphdrawing.org/xmlns http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd">
 <key id="d0" for="node" attr.name="label" attr.type="string"></key>
  <key id="d1" for="edge" attr.name="weight" attr.type="double"/>
  <graph id="G" edgedefault="directed">
<node id="US10095832B2">
  <data key="d0">"US10095832B2"</data>
</node>
  <edge source="US10095832B2" target="US20180002751A1">
    <data key="d1">15</data>
  </edge>
</graph>
</graphml>

How can I access the 15 and the label ?

Thanks a lot

On 21 Feb 2022, at 11:01, Alexandre Hannud Abdo <abdo@member.fsf.org> wrote:
Ni! Hi Rafael,
In graphml, ids are not graph data. If your source uses node ids for data you should fix it and use <key>/<data> instead (see 'Additional Data' in <http://graphml.graphdrawing.org/specification.html>). Node ids are for internal parsing use and are not guaranteed to be preserved.
Once your source produces labels as specified by the graphml format, in the graph-tool loaded Graph that data will be available as internal property maps:

https://graph-tool.skewed.de/static/doc/quickstart.html#internal-property-maps

Hope this helps,
ale

.~´

Le 21/02/2022 à 10:00, RAFAEL SERAPILHA DURELLI a écrit :
Hello, guys

I have been learning graph-tool.. I would like to know if it is possible to create/load vertices and edges with labels. Im loading a graphml file, and in this file the node id = A, B ,C etc. However, when the loading is done, all vertex are transformed into numbers. I would like to know if is it possible to preservate the vertex name, such as A, B, C, "anyStrings", etc.

Thanks in advance

--

At.te
Prof. Dr. Rafael S. Durelli.

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