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<DIV><SPAN class=938095109-21102009><FONT size=2
face=Arial>Hi</FONT></SPAN></DIV>
<DIV><SPAN class=938095109-21102009><FONT size=2
face=Arial></FONT></SPAN> </DIV>
<DIV><SPAN class=938095109-21102009><FONT size=2 face=Arial>I want to compare
two images using the vtkImageCheckerboard function. The problem is that i have
two images of odd size (512x512x80 and 512x512x60). The strange thing
is:</FONT></SPAN></DIV>
<DIV><SPAN class=938095109-21102009><FONT size=2
face=Arial></FONT></SPAN> </DIV>
<DIV><SPAN class=938095109-21102009><FONT size=2 face=Arial>When I
use</FONT></SPAN></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV>
<P><FONT size=2>m_Checkerboard->SetInput(0, vtkImage1);<SPAN
class=938095109-21102009>//bigger image</SPAN></FONT></P>
<P><FONT size=2>m_Checkerboard->SetInput(1, vtkImage2); <SPAN
class=938095109-21102009>//smaller image</SPAN></FONT></P>
<P><FONT size=2 face=Arial><SPAN class=938095109-21102009>i get a null pointer
exception (after Update()), when i use</SPAN></FONT></P><SPAN
class=938095109-21102009>
<P><FONT size=2>m_Checkerboard->SetInput(0, vtkImage<SPAN
class=938095109-21102009>2</SPAN>);<SPAN class=938095109-21102009>//smaler
image</SPAN></FONT></P>
<P><FONT size=2>m_Checkerboard->SetInput(1, vtkImage<SPAN
class=938095109-21102009>1</SPAN>); <SPAN class=938095109-21102009>//bigger
image</SPAN></FONT></P></SPAN>
<P><FONT size=2><SPAN class=938095109-21102009><FONT face=Arial>it works. Is
there a function/method</FONT> <FONT face=Arial>to scale one image to the
size of the second image so that the process works for arbitrary images to
compare?</FONT></SPAN></FONT></P>
<P><FONT size=2 face=Arial><SPAN class=938095109-21102009>best
regards,</SPAN></FONT></P>
<P><FONT size=2 face=Arial><SPAN
class=938095109-21102009>Gerald</SPAN></FONT></P></DIV></BODY></HTML>