how to apply photos to specific nodes in the graph

Hi Thuycam, this feature has been implemented as a Proof Of Concept and is hence experimental. You can however try it.

First you need a attribute with exactly "photo" as id. It is preferable to use GEXF.

Here is an example of a GEXF file with 3 pictures as nodes :

<?xml version="1.0" encoding="UTF-8"?>
<gexf xmlns="http://www.gephi.org/gexf" xmlns:viz="http://www.gephi.org/gexf/viz">
<graph type="static">
<attributes class="node" type="static">
<attribute id="importId" title="importId" type="string"/>
<attribute id="label" title="label" type="string"/>
<attribute id="photo" title="photo" type="string"/>
</attributes>
<nodes>
<node id="15" label="Site numro 1">
<viz:color b="177" g="116" r="114"/>
<viz:position x="-5.211296" y="-2.5921142" z="0.0"/>
<viz:size value="1.0"/>
<attvalues>
<attvalue id="0" value="s1"/>
<attvalue id="1" value="Site numro 1"/>
<attvalue id="2" value="http://www.exalead.com/img?f=11893770338900824462" />
</attvalues>
</node>
<node id="16" label="Site numro 2">
<viz:color b="251" g="116" r="219"/>
<viz:position x="-2.0114172" y="2.5740356" z="0.0"/>
<viz:size value="1.0986123"/>
<attvalues>
<attvalue id="0" value="s2"/>
<attvalue id="1" value="Site numro 2"/>
<attvalue id="2" value="http://www.exalead.com/img?f=11893770338900824462" />
</attvalues>
</node>
<node id="17" label="Site numro 3">
<viz:color b="223" g="208" r="192"/>
<viz:position x="0.85989237" y="-2.6867585" z="0.0"/>
<viz:size value="1.0986123"/>
<attvalues>
<attvalue id="0" value="s3"/>
<attvalue id="1" value="Site numro 3"/>
<attvalue id="2" value="http://www.exalead.com/img?f=11893770338900824462" />
</attvalues>
</node>
</nodes>
<edges>
<edge id="18" source="15" target="16"/>
<edge id="19" source="16" target="17"/>
<edge id="20" source="17" target="16"/>
<edge id="21" source="17" target="15"/>
</edges>
</graph>
</gexf>

Then load your graph and right click on the graph window. Then open the "Properties..." dialog and the "Objects" tab. There, instead of Sphere, select "Photo". You should see you pictures.

If you don't want to use URL but FILES, name your photo attributes with "file:" before. This for a photo named "john.jpg", change the GEXF above with

<attvalue id="2" value="file:john.jpg" />

The file should be put at the defautl Gephi directory, which is where you execute the "exe" or "sh".

Note that for the moment the SVG Exporter is not able to export the graph with the pictures.