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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Dear ITK developers and users;<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I defined a template function:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=blue
face=Fixedsys><span style='font-size:10.0pt;font-family:Fixedsys;color:blue'>template</span></font><font
size=2 face=Fixedsys><span style='font-size:10.0pt;font-family:Fixedsys'><<font
color=blue><span style='color:blue'>class</span></font> InputArrayType, <font
color=blue><span style='color:blue'>class</span></font> OutputArrayType> <o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=blue
face=Fixedsys><span style='font-size:10.0pt;font-family:Fixedsys;color:blue'>void</span></font><font
size=2 face=Fixedsys><span style='font-size:10.0pt;font-family:Fixedsys'>
myPyramid(itk::Array2D< InputArrayType > in, itk::Array2D<
OutputArrayType > out, <font color=blue><span style='color:blue'>unsigned</span></font>
<font color=blue><span style='color:blue'>int</span></font> nColumns, <font
color=blue><span style='color:blue'>unsigned</span></font> <font color=blue><span
style='color:blue'>int</span></font> nRows) ;<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>and used it in the main file:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Fixedsys><span
style='font-size:10.0pt;font-family:Fixedsys'> <font
color=blue><span style='color:blue'>typedef</span></font> <font color=blue><span
style='color:blue'>signed</span></font> <font color=blue><span
style='color:blue'>short</span></font> InputPixelType;<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:.5in;text-autospace:none'><font size=2
color=blue face=Fixedsys><span style='font-size:10.0pt;font-family:Fixedsys;
color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-indent:.5in;text-autospace:none'><font size=2
color=blue face=Fixedsys><span style='font-size:10.0pt;font-family:Fixedsys;
color:blue'>typedef</span></font><font size=2 face=Fixedsys><span
style='font-size:10.0pt;font-family:Fixedsys'> itk::Array2D<
InputPixelType > InputArray2D ;<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Fixedsys><span
style='font-size:10.0pt;font-family:Fixedsys'> InputArray2D
inputImageArray2D( lWidth, lHeight ) ;<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Fixedsys><span
style='font-size:10.0pt;font-family:Fixedsys'> <font
color=blue><span style='color:blue'>typedef</span></font> itk::Array2D<
<font color=blue><span style='color:blue'>float</span></font> > FloatArray2D
;<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Fixedsys><span
style='font-size:10.0pt;font-family:Fixedsys'> FloatArray2D outputImageArray2D(
lWidth/2, lHeight/2 ) ;<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Fixedsys><span
style='font-size:10.0pt;font-family:Fixedsys'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Fixedsys><span
style='font-size:10.0pt;font-family:Fixedsys'> myPyramid(
inputImageArray2D, outputImageArray2D, (<font color=blue><span
style='color:blue'>unsigned</span></font> <font color=blue><span
style='color:blue'>int</span></font>)lWidth, (<font color=blue><span
style='color:blue'>unsigned</span></font> <font color=blue><span
style='color:blue'>int</span></font>)lHeight ) ;<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>but a link error displays:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=新宋体><span
style='font-size:11.0pt;font-family:NSimSun'>DicomImageReadWrite.obj : error
LNK2019: unresolved external symbol "void __cdecl myPyramid(class
itk::Array2D<short>,class itk::Array2D<float>,unsigned int,unsigned
int)" (?myPyramid@@YAXV?$Array2D@F@itk@@V?$Array2D@M@2@II@Z) referenced in
function _main<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=新宋体><span
style='font-size:11.0pt;font-family:NSimSun'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=新宋体><span
style='font-size:11.0pt;font-family:NSimSun'>Debug\DicomImageReadWrite.exe :
fatal error LNK1120: 1 unresolved externals<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Would you please help me to find where the problem is and
how to fix it? Your kind help is greatly appreciated.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Best regards,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Sam<o:p></o:p></span></font></p>
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