<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hello,<div><br></div><div>I have not done this myself, but I have an idea on what may work.</div><div><br></div><div>The ResampleImageFilter is really quite generic, and flexible so this is likely the right track. While I don't think it can go from 3D to 2D you can go from 3D to a single slice. Then you can jump through the hoop of extracting a slice into a 2D image.</div><div><br></div><div>What you are missing to use the resample filter this way is the correct Transform. While you could use a deformation field, or a b-spline, your description of conical shapes </div><div>mays me think that you may be better off defining you one implicit transform.</div><div><br></div><div>I hope this helps.</div><div><br></div><div>Brad</div><div><br></div><div><br><div><div>On Jun 7, 2012, at 2:08 PM, sgfallows wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>I need to extract a 2D image from a 3D data set by what I would call<br>non-planar slicing. Imagine a sheet of paper curled into a parabola or<br>half-ellipse, in the middle of a 3D volume. I want to extract the points on<br>the sheet of paper into a flat 2D image. (If there is a better/standard term<br>for this, please correct me). The curve would be defined by a poly-line or<br>Bezier.<br><br>AFAICT, the closest thing in ITK is ResampleImageFilter(), however I'm<br>having trouble figuring out what the transform would be. All the examples<br>seem to map 3D to 3D. Or is this the wrong approach to begin with?<br><br>Can anyone point me at something similar?<br><br>--<br>View this message in context: <a href="http://itk-insight-users.2283740.n2.nabble.com/Non-planar-slicing-tp7580206.html">http://itk-insight-users.2283740.n2.nabble.com/Non-planar-slicing-tp7580206.html</a><br>Sent from the ITK Insight Users mailing list archive at <a href="http://Nabble.com">Nabble.com</a>.<br>_____________________________________<br>Powered by <a href="http://www.kitware.com">www.kitware.com</a><br><br>Visit other Kitware open-source projects at<br><a href="http://www.kitware.com/opensource/opensource.html">http://www.kitware.com/opensource/opensource.html</a><br><br>Kitware offers ITK Training Courses, for more information visit:<br>http://www.kitware.com/products/protraining.php<br><br>Please keep messages on-topic and check the ITK FAQ at:<br>http://www.itk.org/Wiki/ITK_FAQ<br><br>Follow this link to subscribe/unsubscribe:<br>http://www.itk.org/mailman/listinfo/insight-users<br></div></blockquote></div><br><div>
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