<div dir="ltr">ParaView does use a cache for selecting, It capture the full frame buffer in the vtkHardwareSelector and then reuse that as the mouse moves around.<div><br></div><div>Utkarsh</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Jul 15, 2016 at 7:01 PM, Evan Kao <span dir="ltr"><<a href="mailto:tossin@gmail.com" target="_blank">tossin@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hello all,<div><br></div><div>I'm trying to emulate Paraview 5's Interactive Select Points feature in VTK by constantly monitoring the 'MouseMoveEvent' and obtaining the closest point on the desired actor. However, I run into some severe "jitteriness" as seen in this <a href="https://www.youtube.com/watch?v=iXAhbjBCve4" target="_blank">video</a> (the marker is represented by a green sphere). In constrast, the marker in Interactive Select Points mode in Paraview is predictable and steady.</div><div><br>What can I do to better replicate Paraview?</div><div><br></div><div>Thanks,</div><div>Evan Kao</div></div>
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