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Hi there,

I'm trying to implement SoRayPickAction that will, when the mouse is clicked, select a particular node so then I can translate, rotate, etc. I have three nodes: desk, lamp, and frame (picture frame). However, I don't think that my code is at all right. I also have various methods such a MouseButtonCallback (which will check if the mouse is clicked and then use a navigator) and MouseMoveCallback (same idea). So here's the code that I have, but do you have any suggestions? Right now, well, it doesn't do anything.

SbViewportRegion viewport(400,300); 
    SoRayPickAction m(viewport); 
    m.setRay(SbVec3f(0.0,0.0,0.0), SbVec3f(0.0,0.0,-1.0));
    m.apply(callback_node);
    const SoPickedPoint *mpp = m.getPickedPoint(); 
    if(mpp != NULL) {
        std::cout << "test" << std::endl;
    }

Might you also know of an action in OpenInventor that can "place" a node in the scene, i.e. place the lamp on top of the desk, frame on the wall, etc. Is it with paths? I don't even know what I'm looking for, unfortunately. Thanks so much for your help!!

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Last Post by dark_sider_1
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Oh, might there be some sort of action in OpenInventor that I can extend so that it recognizes when the node hits a particular object like another node or a wall, it will stay?

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