Strongly recommend that you read the Volume rendering chapter from the guide or any other book / several online resources.<br><br><div class="gmail_quote">On Thu, Jun 3, 2010 at 7:37 PM, Jothy <span dir="ltr"><<a href="mailto:jothybasu@gmail.com">jothybasu@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div dir="ltr">I have a basic doubt on this compositing function.<br><br>What this function actually does? Let's say I have a imagedata , now I trace the ray from 0 degree through it. Does it accumulates the scalar values along the ray, or as it traverses the image does it keep reducing some other parameters??<br>
<br>Here is an example, let's say the ray passe through the diagonal, 1,4,6. What it does actually?<br><br><br>1 2 3<br>3 4 5<br>0 3 6<br><br><br>Thanks,<br><font color="#888888"><br>Jothy</font><div><div>
</div><div class="h5"><br><br><br><br><br><div class="gmail_quote">
On Thu, Jun 3, 2010 at 2:44 PM, Karthik Krishnan <span dir="ltr"><<a href="mailto:karthik.krishnan@kitware.com" target="_blank">karthik.krishnan@kitware.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
No we don't have a mean (or xray) function. It should be relatively straightforward for you to take vtkVolumeRayCastMIPFunction and modify it to create a vtkVolumeRayCastMeanFunction . If you do succeed, please feel fee to contribute it back to the VTK Journal (<a href="http://www.midasjournal.org/?journal=35" target="_blank">http://www.midasjournal.org/?journal=35</a>) . In fact somebody posted the mean function, (see xray function) on the vtkusers list a while ago :<br>
<br><a href="http://www.vtk.org/pipermail/vtkusers/2009-October/103367.html" target="_blank">http://www.vtk.org/pipermail/vtkusers/2009-October/103367.html</a><br><br>--<br><font color="#888888">karthik<br><br></font><div class="gmail_quote">
<div><div></div><div>On Thu, Jun 3, 2010 at 6:39 PM, Daniela Sacchetto <span dir="ltr"><<a href="mailto:danysunflower@hotmail.it" target="_blank">danysunflower@hotmail.it</a>></span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div><div></div><div>
<div>
Hi everyone <br><br>I'm working with vtkVolumeRayCastCompositeFunction but my results aren't excellent. <br><br>I know that there are other two methods to do something similar: <br><br>-vtkVolumeRayCastIsosurfaceFunction<br>
-vtkVolumeRayCastMIPFunction<br><br>But I would like to have a sort of AIP=Averaged Intensity Projection Method... Does it exist something similar in VTK? Could anyone help me?<br><br>Regards<br>Daniela<br> <br>
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