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<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'>Hi all,<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 have a collection of potentially many images that I’m
trying to write out as files.<span style='mso-spacerun:yes'> </span>Most
of these images are small, and some are only 1 pixel in size. <span
style='mso-spacerun:yes'> </span>I seem to have a problem with any images
that are 1x1, 1x2, or 2x1 in size.<span style='mso-spacerun:yes'>
</span>Images that are <span class=GramE>2x2</span> in size or bigger don’t
seem to have a problem.<span style='mso-spacerun:yes'> </span>I get an
error like this:<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><span class=SpellE><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>itk::ERROR</span></font></span><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>: <span
class=SpellE><span class=GramE>PNGImageIO</span></span><span class=GramE>(</span>064DD690):
PNG Writer can only write 2-dimensional images. You are requesting to write an
image of dimension = 0 with filename C:\images\1x2output.png<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'>My code is straightforward....<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='mso-layout-grid-align:none;text-autospace:none'><span
class=SpellE><font size=1 face="Courier New"><span style='font-size:8.0pt;
font-family:"Courier New"'>itk::ImageFileReader</span></font></span><font
size=1 face="Courier New"><span style='font-size:8.0pt;font-family:"Courier New"'><Grayscale8ImageType>:<span
class=GramE>:Pointer</span> r = <span class=SpellE>itk::ImageFileReader</span><Grayscale8ImageType>::New();<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
class=SpellE><font size=1 face="Courier New"><span style='font-size:8.0pt;
font-family:"Courier New"'>itk::ImageFileWriter</span></font></span><font
size=1 face="Courier New"><span style='font-size:8.0pt;font-family:"Courier New"'><Grayscale8ImageType>:<span
class=GramE>:Pointer</span> w = <span class=SpellE>itk::ImageFileWriter</span><Grayscale8ImageType>::New();<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
class=GramE><font size=1 face="Courier New"><span style='font-size:8.0pt;
font-family:"Courier New"'>r</span></font></span><font size=1 face="Courier New"><span
style='font-size:8.0pt;font-family:"Courier New"'>-><span class=SpellE>SetFileName</span>("C:\\images\\1x2black.tif");<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
class=GramE><font size=1 face="Courier New"><span style='font-size:8.0pt;
font-family:"Courier New"'>w</span></font></span><font size=1 face="Courier New"><span
style='font-size:8.0pt;font-family:"Courier New"'>-><span class=SpellE>SetFileName</span>("C:\\images\\1x2output.png");<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
class=GramE><font size=1 face="Courier New"><span style='font-size:8.0pt;
font-family:"Courier New"'>w</span></font></span><font size=1 face="Courier New"><span
style='font-size:8.0pt;font-family:"Courier New"'>-><span class=SpellE>SetInput</span>(r-><span
class=SpellE>GetOutput</span>());<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=GramE><font size=1 face="Courier New"><span
style='font-size:8.0pt;font-family:"Courier New"'>w</span></font></span><font
size=1 face="Courier New"><span style='font-size:8.0pt;font-family:"Courier New"'>->Update();<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'>A similar error occurs for other output types that I tried. <span
style='mso-spacerun:yes'> </span>Is there anything I can do to write out a
small file like this?<span style='mso-spacerun:yes'> </span>Yeah, I know
there’s not much to be gained by looking at a 1-by-1 image, but…<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’m currently using ITK 2.2 on Windows, but am not
opposed to updating to a newer version.<span style='mso-spacerun:yes'>
</span>My test images are linked below.<span style='mso-spacerun:yes'>
</span>I don’t have my own publicly accessible web server, and all my <span
class=SpellE>tif</span> files seem to get converted to <span class=SpellE>png</span>
at the free image hosting sites, but <span class=SpellE>png</span> source files
seem to give the same error.<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'><a href="http://xs64.xs.to/pics/06033/1x1black.png">http://xs64.xs.to/pics/06033/1x1black.png</a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><a href="http://xs64.xs.to/pics/06033/1x2black.png">http://xs64.xs.to/pics/06033/1x2black.png</a><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'><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><span class=GramE><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>thanks</span></font></span><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'>Chris<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'><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>
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