<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div style="RIGHT: auto"><SPAN style="RIGHT: auto">Dear vtkusers,</SPAN></div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: times new roman, new york, times, serif; COLOR: rgb(0,0,0); FONT-SIZE: 16px; RIGHT: auto"><SPAN style="RIGHT: auto"> Thank you very much for the reply. I have attached the image for your kind perusal.The arrow shows the indented portion which I need to extract from the image. As there should be a sharp deviation in gradient at the indented portion, I am thinking whether it is possible to extract that portion and whether it is possible to do with VTK.</SPAN></div>
<div style="RIGHT: auto"><SPAN style="RIGHT: auto"> Please provide me some suggestions.</SPAN></div>
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<div style="RIGHT: auto"><SPAN style="RIGHT: auto">Thanks,</SPAN></div>
<div style="RIGHT: auto"><SPAN style="RIGHT: auto">Hayden.<VAR id=yui-ie-cursor></VAR></SPAN></div>
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<DIV style="BORDER-BOTTOM: #ccc 1px solid; BORDER-LEFT: #ccc 1px solid; PADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; HEIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: #ccc 1px solid; BORDER-RIGHT: #ccc 1px solid; PADDING-TOP: 0px" class=hr readonly="true" contenteditable="false"></DIV><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> Dominique Töpfer <dominique@toepfer-web.de><BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> Hayden Smith <s_hayden_28@yahoo.com> <BR><B><SPAN style="FONT-WEIGHT: bold">Cc:</SPAN></B> "vtkusers@vtk.org" <vtkusers@vtk.org> <BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Wednesday, April 10, 2013 2:47 PM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [vtkusers] Cropping out a portion of an image<BR></FONT></DIV><BR>
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<DIV class=yiv1515263417moz-cite-prefix>Hi Hayden,<BR><BR>an example can be found here: http://www.vtk.org/Wiki/VTK/Examples/Cxx/ImageData/ExtractVOI<BR><BR>HTH<BR>Dominique<BR><BR><BR>On 10.04.2013 21:44, Hayden Smith wrote:<BR></DIV>
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<DIV>Dear vtk users,</DIV>
<DIV> I have some raw images. For further processing, I need to crop out a portion of the image with a certain radius from the center of the image. I would like to use the cropped portion for surface reconstruction using vtkImageReader. Please provide me some suggestion how that cropping can be performed using vtk.</DIV>
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<DIV>Thanks,</DIV>
<DIV>Hayden.<VAR id=yiv1515263417yui-ie-cursor></VAR></DIV></DIV><BR>
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Dominique Töpfer, Dipl.-Inform.
Institute of Medical Physics
University of Erlangen</PRE></DIV></DIV>
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