<div style="font-family:Arial;color:#3366FF;;"><div>hi,</div><div><br></div><div>I'm working on Image-Guided Navigation. </div><div>At present, i have done the registration of tracker and image, and get a tranform.</div><div>        ...</div><div><div><span class="Apple-tab-span" style="white-space:pre">   </span>igstk::TransformObserver::Pointer lrtcb = igstk::TransformObserver::New();</div><div><span class="Apple-tab-span" style="white-space:pre">   </span>lrtcb->ObserveTransformEventsFrom(m_LandmarkRegistration);</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>lrtcb->Clear();</div></div><div>        ...</div><div>        m_LandmarkRegistration->RequestGetTransformFromTrackerToImage();</div><div>        ...</div><div>        m_TransformFromTrackerToImage = lrtcb->GetTransform();</div><div><br></div><div>I only need the coordinate of the trackertool and the tranform(m_TransformFromTrackerToImage)</div><div>to compute the corresponding coordinate of the image to do something. That is:</div><div>(x,y,z) -> using transform -> (x',y',z')</div><div>But I don't know how to use the transform.</div><div>Could anyone help me? Thanks a lot.</div><div><br></div><div><sign signid="0"><div style="color:#909090;font-family:Arial Narrow;font-size:12px">------------------</div><div style="font-size:14px;font-family:Verdana;color:#000;"><div>Best Regards.</div>
<div>Yang</div>
<div><a href="mailto:xuyang965@live.cn"><br></a></div></div></sign></div><div> </div></div>