Unable to create component

[jjcasmar]

I have a multimap in a plugin and I am unable to create it.
The header file looks like this

template <typename TIn>
class CPFMapping : public sofa::core::MultiMapping<TIn, TIn>
public:
    SOFA_CLASS(SOFA_TEMPLATE(CPFMapping, TIn),  //
               SOFA_TEMPLATE2(sofa::core::MultiMapping, TIn, TIn));
    CPFMapping()
        : Inherit()
        , m_C(initData(&m_C, "C", "Cluster Matrix"))
    {
    }
...
};

and I register in the factory like this:

static int register_testComponent =
    sofa::core::RegisterObject("CPFMapping").add<CPFMapping<sofa::defaulttype::Vec3Types>>();

When trying to create the component with python

    final.addObject("CPFMapping",
                              template="Vec3",

I get the following error

The object is in the factory but cannot be created.  
Requested template: Vec3d,Vec3d(Vec3d,Vec3d)  
Available templates: Vec3d,Vec3d, 

I have tried Vec3, Vec3d, Vec3,Vec3 and Vec3d,Vec3d without success.
Not sure if this is a bug in SOFA or if I am doing something wrong with my component.

[jnbrunet]

Hi @jjcasmar

MultiMapping need both an 'input' and 'output' data attributes pointing to valid mechanical objects.

With your example:
final.addObject("CPFMapping", template="Vec3", input="path/to/mo1", output="path/to/mo2" )

We are working on better diagnostic message for such failed object creation, see #1266 and #1294

[jjcasmar]

Hi. I completely thought it was fromModels and toModels. I'll test with input and output, thanks!

[jjcasmar]

Its working fine with the input/output. Sorry for the noise