Hi Andy,
Thanks - most appreciated. I've been accessing it within a custom
parameter. Though I've got another vaguely related question.
Does the matrix multiply operation rotate before translation?
Cheers,
Alan.
On 7/18/05, Andrew Nicholas <andy(at)andynicholas.com> wrote:
> Hi Alan,
>
> You might want to check what class of object you're starting with by using
> the GetClassIDName() method. Sometimes you won't always have what you
> think you should have. I've been caught out a few times by this.
>
> The code below obtains the PolygonMesh object from a polymesh input
> connection of a SCOP:
>
>
> XSI::InputPort polyMeshPort(op.GetPort(L"polymshIn",L"Group_0",0));
> XSI::Primitive primitive(polyMeshPort.GetValue());
>
> //Get geometry object from primitive
> XSI::Geometry geometry(primitive.GetGeometry());
>
> //Check that the geometry is actually a polygon mesh
> if(!geometry.IsA(XSI::siPolygonMeshID)) return XSI::CStatus::Fail;
>
> //Create the polygon mesh object
> XSI::PolygonMesh polyMesh(geometry);
>
> Hope this helps.
>
> Cheers
>
> Andy
>
>
>
>
>
> > When I run .IsA on a poly mesh it tells me it's an X3DObject - so I
> > try getting the activeprimitive of it and it tells me it's a
> > primitive.
> >
> > Any idea why I'm getting non-specific types? This is in C++
> >
> > CRef item = app.GetSelection().GetItem(0) ;
> > if (item.IsA(siPolygonMeshID) ) {
> > //nope it says it's not...
> >
> > Thanks,
> >
> > Alan.
> >
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