<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Wed, Jun 8, 2016 at 9:56 AM, D L <span dir="ltr"><<a href="mailto:lackodan@outlook.com" target="_blank">lackodan@outlook.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr">Hi David,<br><br>First of all, it's amazing how fast you and the other contributers on this list respond. Thanks for making the time!<br></div></div></blockquote><div><br></div><div>You're welcome. Your experience is not universal, though, lots of questions</div><div>on this list go unanswered.</div><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div dir="ltr"> If I'm not mistaking, to use custom VTK classes, you need a custom VTK build, right?<br></div></div></blockquote><div><br></div><div>Yup.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div dir="ltr">This might be a very obvious question, but with vtkImageConnectivityFilter, how would I know which seed point to use? Should I look at the image in Paraview (or use a vtkPicker) to find the coordinates of the region I'd like to extract?<br></div></div></blockquote><div><br></div><div>You mean vtkImageThresholdConnectivity? Yes, you could use a picker to get</div><div>the data coordinates (these are the coordinates measured in mm, not the i,j,k</div><div>location of the voxel). Or, if you're lucky enough to know that the region will</div><div>always include the point at the center of the image, you can use the coords of</div><div>that point as a seed.</div><div><br></div><div> - David</div></div></div></div>