No worries. Found the vtkImageMathematics class!<br><br><div><span class="gmail_quote">On 17/08/06, <b class="gmail_sendername">Anja Ende</b> <<a href="mailto:anja.ende@googlemail.com">anja.ende@googlemail.com</a>> wrote:
</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div>Hi everyone,<br><br>The built in vtkImageDifferenceFilter does not work if the images are of different sizes. Is there a built in object that does not care whether the images are of different sizes and returns just a simple A - B operation.
<br><br>So, areas where A has no data it returns the value -B and <br><br>areas where B has no data, it returns the value A.<br><br><br>Cheers,<br></div><div><span class="sg">Anja<br>
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