<div dir="ltr">It is not a binary volume, correct?<div><br></div><div style>I would expect that the 127 and 255 isosurfaces would be different.</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Sat, Jul 6, 2013 at 10:03 PM, Hayden Smith <span dir="ltr"><<a href="mailto:s_hayden_28@yahoo.com" target="_blank">s_hayden_28@yahoo.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 style="font-size:12pt;font-family:times new roman,new york,times,serif"><div><span>Hi,</span></div><div><span> It is 0 to 255.</span></div>
<div><span></span> </div><div><span>Thanks,</span></div><div><span>Hayden.</span></div><div><br></div> <div style="font-family:times new roman,new york,times,serif;font-size:12pt"> <div style="font-family:times new roman,new york,times,serif;font-size:12pt">
<div dir="ltr"> <div style="margin:5px 0px;padding:0px;border:1px solid rgb(204,204,204);min-height:0px;line-height:0;font-size:0px" readonly></div> <font face="Arial"><div class="im"> <b><span style="font-weight:bold">From:</span></b> Bill Lorensen <<a href="mailto:bill.lorensen@gmail.com" target="_blank">bill.lorensen@gmail.com</a>><br>
<b><span style="font-weight:bold">To:</span></b> Hayden Smith <<a href="mailto:s_hayden_28@yahoo.com" target="_blank">s_hayden_28@yahoo.com</a>> <br><b><span style="font-weight:bold">Cc:</span></b> "<a href="mailto:vtkusers@vtk.org" target="_blank">vtkusers@vtk.org</a>" <<a href="mailto:vtkusers@vtk.org" target="_blank">vtkusers@vtk.org</a>> <br>
</div><b><span style="font-weight:bold">Sent:</span></b> Saturday, July 6, 2013 7:05 AM<div class="im"><br> <b><span style="font-weight:bold">Subject:</span></b> Re: [vtkusers] A Simple Question on vtkContourFilter<br> </div>
</font> </div> <div><br>
<div><div class="im"><div dir="ltr">What is the range of your scalar data?<div><br></div></div></div><div><br><br><div><div class="im">On Fri, Jul 5, 2013 at 6:44 PM, Hayden Smith <span dir="ltr"><<a href="mailto:s_hayden_28@yahoo.com" rel="nofollow" target="_blank">s_hayden_28@yahoo.com</a>></span> wrote:<br>
</div><blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><div><div style="font-family:times new roman,new york,times,serif;font-size:12pt">
<div class="im">Hello,<br> I have attached two images: the first one using "skinExtractor SetValue 0 127.5" and the second one "skinExtractor SetValue 0 255". Both showing the very similar output. My question as binarization on image is performed, how the threshold has been calculated as both values showing the similar output.<br>
<br>Thanks,<br><br>Hayden.<br><div><span><br></span></div><div><br></div> </div><div style="font-family:times new roman,new york,times,serif;font-size:12pt"> <div style="font-family:times new roman,new york,times,serif;font-size:12pt">
<div class="im">
<div dir="ltr"> <div style="margin:5px 0px;padding:0px;border:1px solid rgb(204,204,204);min-height:0px;line-height:0;font-size:0px" readonly></div> <font face="Arial"><div> <b><span style="font-weight:bold">From:</span></b> Bill Lorensen <<a href="mailto:bill.lorensen@gmail.com" rel="nofollow" target="_blank">bill.lorensen@gmail.com</a>><br>
<b><span style="font-weight:bold">To:</span></b> Hayden Smith
<<a href="mailto:s_hayden_28@yahoo.com" rel="nofollow" target="_blank">s_hayden_28@yahoo.com</a>> <br><b><span style="font-weight:bold">Cc:</span></b> "<a href="mailto:vtkusers@vtk.org" rel="nofollow" target="_blank">vtkusers@vtk.org</a>" <<a href="mailto:vtkusers@vtk.org" rel="nofollow" target="_blank">vtkusers@vtk.org</a>> <br>
</div><b><span style="font-weight:bold">Sent:</span></b> Thursday, July 4, 2013 6:04 AM<div><div><br> <b><span style="font-weight:bold">Subject:</span></b> Re: [vtkusers] A Simple Question on vtkContourFilter<br>
</div></div></font> </div></div><div><div> <div><br><div><div class="im"><div dir="ltr">If your data is 8 bit data, then the effect is similar to thresholding. Set the value to 127.5 and you will see an isosurface that has more character.</div>
</div><div><br><br><div><div class="im">
On Wed, Jul 3, 2013 at 4:14 PM, Hayden Smith <span dir="ltr"><<a href="mailto:s_hayden_28@yahoo.com" rel="nofollow" target="_blank">s_hayden_28@yahoo.com</a>></span> wrote:<br></div><blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid">
<div><div style="font-family:times new roman,new york,times,serif;font-size:12pt"><div class="im">Hello,<br> Thanks for the reply. But I need a little bit clarification. When I use 'skinExtractor SetValue 0 255', it generates one iso-surface. Does it threshold the image into a binary image?<br>
<br>Thanks again.<span><font color="#888888"><br><br>Hayden.<br></font></span><div><br><div><span><br></span></div><div><br></div> </div></div><div style="font-family:times new roman,new york,times,serif;font-size:12pt">
<div> </div><div style="font-family:times new roman,new york,times,serif;font-size:12pt"><div><div class="h5"><div> <div dir="ltr"> <div style="margin:5px 0px;padding:0px;border:1px solid rgb(204,204,204);min-height:0px;line-height:0;font-size:0px" readonly>
</div> <font face="Arial"> <b><span style="font-weight:bold">From:</span></b> Bill Lorensen <<a href="mailto:bill.lorensen@gmail.com" rel="nofollow" target="_blank">bill.lorensen@gmail.com</a>><br>
<b><span style="font-weight:bold">To:</span></b> Hayden Smith <<a href="mailto:s_hayden_28@yahoo.com" rel="nofollow" target="_blank">s_hayden_28@yahoo.com</a>> <br><b><span style="font-weight:bold">Cc:</span></b> "<a href="mailto:vtkusers@vtk.org" rel="nofollow" target="_blank">vtkusers@vtk.org</a>" <<a href="mailto:vtkusers@vtk.org" rel="nofollow" target="_blank">vtkusers@vtk.org</a>> <br>
<b><span style="font-weight:bold">Sent:</span></b> Tuesday, July 2, 2013 3:45 PM<br> <b><span style="font-weight:bold">Subject:</span></b> Re: [vtkusers] A Simple Question on vtkContourFilter<br> </font> </div></div></div>
</div><div>
<div> <div><br><div><div><div class="h5"><div dir="ltr"><div><div>skinExtractor GenerateValues 4 0 255 will extract 4 isosurfaces <br> Value 0: 0<br> Value 1: 85<br> Value 2: 170<br> Value 3: 255<br><br>
</div>where<br>
skinExtractor SetValue 0 255<br>
</div>will extract 1 isosurface with value<br>255<br><br><div><div><br></div></div></div></div></div><div><br><br><div><div><div class="h5">On Tue, Jul 2, 2013 at 4:17 PM, Hayden Smith <span dir="ltr"><<a href="mailto:s_hayden_28@yahoo.com" rel="nofollow" target="_blank">s_hayden_28@yahoo.com</a>></span> wrote:<br>
</div></div><blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><div><div class="h5"><div><div style="font-family:times new roman,new york,times,serif;font-size:12pt">
<div>Hello,</div><div> I have a simple question on vtkContourFilter. What is the difference between the following two pieces of code:</div>
<div><br></div><div style="font-family:times new roman,new york,times,serif;font-size:16px;font-style:normal;background-color:transparent"> vtkContourFilter skinExtractor<br> skinExtractor SetInput [v16
GetOutput]<br> eval skinExtractor GenerateValues 4 0 255<br> skinExtractor Update</div><div style="font-family:times new roman,new york,times,serif;font-size:16px;font-style:normal;background-color:transparent">
<br></div><div style="font-family:times new roman,new york,times,serif;font-size:16px;font-style:normal;background-color:transparent"><br></div><div style="font-family:times new roman,new york,times,serif;font-size:16px;font-style:normal;background-color:transparent">
vtkContourFilter
skinExtractor<br> skinExtractor SetInput [v16 GetOutput]<br> skinExtractor SetValue 0 255<br> skinExtractor Update</div>
<div style="font-family:times new roman,new york,times,serif;font-size:16px;font-style:normal;background-color:transparent"><br></div><div style="font-family:times new roman,new york,times,serif;font-size:16px;font-style:normal;background-color:transparent">
<br></div><div style="font-family:times new roman,new york,times,serif;font-size:16px;font-style:normal;background-color:transparent">If I use 'eval skinExtractor GenerateValues 4 0 255' in vtkContourFilter, the reconstructed output is noisy whereas if I use 'skinExtractor SetValue 0 255', the output is better and much clear. Could any one clarify me how these two commands are making the difference in output? <br>
</div><div style="font-family:times new roman,new york,times,serif;font-size:16px;font-style:normal;background-color:transparent">Thanks in advance.</div><span><font color="#888888"><div style="font-family:times new roman,new york,times,serif;font-size:16px;font-style:normal;background-color:transparent">
<br></div><div style="font-family:times new roman,new york,times,serif;font-size:16px;font-style:normal;background-color:transparent"><br></div><div style="font-family:times new roman,new york,times,serif;font-size:16px;font-style:normal;background-color:transparent">
Hayden<br></div></font></span></div></div><br>_______________________________________________<br></div></div>
Powered by <a href="http://www.kitware.com/" rel="nofollow" target="_blank">http://www.kitware.com/</a><div class="im"><br>
<br>
Visit other Kitware open-source projects at <a href="http://www.kitware.com/opensource/opensource.html" target="_blank">http://www.kitware.com/opensource/opensource.html</a><br>
<br>
Please keep messages on-topic and check the VTK FAQ at: <a href="http://www.vtk.org/Wiki/VTK_FAQ" target="_blank">http://www.vtk.org/Wiki/VTK_FAQ</a><br>
<br>
Follow this link to subscribe/unsubscribe:<br>
<a href="http://www.vtk.org/mailman/listinfo/vtkusers" target="_blank">http://www.vtk.org/mailman/listinfo/vtkusers</a><br>
<br></div></blockquote></div><div class="im"><br><br clear="all"><br>-- <br>Unpaid intern in BillsBasement at noware dot com<br>
</div></div></div><br><br></div> </div></div></div> </div> </div></div></blockquote></div><div class="im"><br><br clear="all"><div><br></div>-- <br>Unpaid intern in BillsBasement at noware dot com<br>
</div></div></div><br><br></div> </div></div></div> </div> </div></div></blockquote></div><div class="im"><br><br clear="all"><div><br></div>-- <br>Unpaid intern in BillsBasement at noware dot com<br>
</div></div>
</div><br><br></div> </div> </div> </div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br>Unpaid intern in BillsBasement at noware dot com<br>
</div>