[SOLVED] How to mark a node of a mesh?

[Zahra]

Hi,
In there any option in SOFA for marking a node in a mesh, so that I can visually track it when the mesh deforms?

Best,
Zahra

[Binesh]

Hi @zahra
i can’t understand exactly what do you want?
can you explain it for us with more detail

[jnbrunet]

You could use a subset mapping for this. Here is an example to visually track nodes number 1, 5, 25 and 40 from a given scene:

<node name="mechanical">
    <MechanicalObject position="@mesh.position" />
    <!-- (...) -->
    <node name="tracking">
        <MechanicalObject showObject="true" showObjectScale="5" showColor="1 0 0 1" />
        <SubsetMapping indices="1 5 25 40" />
    </node>
</node>

[Zahra]

Hi @jnbrunet,
Thank you very much for your suggestion, it works.

Best,
Zahra

[Zahra]

Hi @Binesh,

Thank you for willing to help me, jnbrunet’s reply solved the issue.

For your information on what I was trying to do: I wanted to put a marker on a specific node, in order to make it more recognizable among other nodes in the mesh.

Best,
Zahra

[Author]

Posts