Hi,

We are trying to map the transfromation (translation and rotation) of a Phantom premium to an object in the scene. However this is not meant to be a direct mapping but one that relates the position of a plane going though the device to that of a viewpoint. That is it is to have the object being transformed as a function of the movement of the haptics device.

When I use myTransform->matrix->getValue() it returns a 4x4. When I myTransform->matrix->getTypeName() it returns a SFMatrix4f. I want to use this data to set a matrix of the object im trying to transform. Any advice on this or similar code?

I do not really understand what your question is exactly.

When you do the getValue on a field you get the contained value, that is the part of the field name without S/MF. So a SFMatrix4f contains a Matrix4f, SFVec3f contains a Vec3f. Use the value you get from getValue to set your matrix. Note the order of the indicies. If I remember correctly one row of a Matrix4f corresponds to one column of OpenGL matrices (transpose).

You could create your specialized autoupdate field and route the matrix field to your field in order to get an update whenever the matrix changes.

Thanks for the reply. In the mean time we had taken a more direct route involving texture mapping which avoided these complications. I only now saw your response.

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Donnchadh Oh-Ainle (NDRC)