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<DIV><FONT size=2>Hello,every one</FONT></DIV>
<DIV><FONT size=2>I tried to display 3D image&nbsp;data slice by slice along z 
axial.The program is as follows.</FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT 
size=2>&nbsp;metaImageReader-&gt;SetFileName("E:/TempImage/0.1resolution/ConThreshSegDdicomSe3Edge.mhd");//e:/tempimage/sampledcochleaConThreshSeg.mhd<BR>&nbsp; 
metaImageReader-&gt;Update();<BR>&nbsp; int xyzdim[3];<BR>&nbsp; 
metaImageReader-&gt;GetOutput()-&gt;GetDimensions(xyzdim);<BR>&nbsp; int 
xd=xyzdim[0]-1;<BR>&nbsp; int yd=xyzdim[1]-1;<BR>&nbsp; int 
zd=xyzdim[2]-1;</FONT></DIV>
<DIV><FONT 
size=2>imageActor-&gt;SetInput(metaImageReader-&gt;GetOutput());<BR>&nbsp; 
imageActor-&gt;VisibilityOn();<BR>&nbsp; 
imageActor-&gt;SetDisplayExtent(0,xd,0,yd,120,120);&nbsp;&nbsp;<BR>&nbsp; 
imageActor-&gt;InterpolateOff();<BR>&nbsp; 
Renderer-&gt;AddActor(imageActor);<BR>&nbsp; 
Renderer-&gt;SetBackground(0.0,0.1,0.2);<BR>&nbsp; 
Interactor-&gt;SetRenderWindow(RenderWindow);</FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2>I really get what&nbsp;I want.But the image is zoomed.I want 
to remove the zooming function.But I don't know how to do.That is,how many pixel 
in the image slice,there are the same number pixel point on the 
screen.</FONT></DIV>
<DIV><FONT size=2>Moreover,I want to display the image from the (0,0)point on 
the screen.How can I get that?</FONT></DIV>
<DIV><FONT size=2>Any information will be 
appreciated.</FONT></DIV></BODY></HTML>