Mapping 2 states to one state

[jjcasmar]

Hi there!

I would like to know how to create a mapping of several states to one single state. I have some forces that depend on a state, but that state is defined kinematically as the sum of two other states (which are my degrees of freedom).
p = Bv + x

I have checked core::mapping and BaseMapping and in both cases they talk only about mapping 1 to 1.

How would you create a 2 to 1 mapping?
Thanks

[Hugo]

Ola @jjcasmar

Good to have you back on the forum!
In SOFA MultiMapping does exist. Do you want to implement your own mapping or using an existing one? Could you provide us a bit more insight on what are your “states” that you want to map?

See examples in examples/Components/mapping/IdentityMultiMapping.scn or SubsetMultiMapping.scn

Cheers,

Hugo

[Author]

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