[Insight-users] How to read PNG file

[宋涛]

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Hi All

I create some png files in "unsigned char" pixel type,but when I want to read these files in "float" pixel type, i get some error below:
-----------------------------------------------------------------------
ExceptionObject caught !

itk::ExceptionObject (00EDFDE8)
Location: "Unknown"
File: E:\Program Files\SDK_2\ITK\InsightToolkit-1.2.0\Code\IO\itkAnalyzeImageIO.
cxx
Line: 1002
Description: File cannot be read
-----------------------------------------------------------------------

How can i solve this problom? 

Thank you very much!
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Hi&nbsp;All<br><br>I&nbsp;create&nbsp;some&nbsp;png&nbsp;files&nbsp;in&nbsp;&quot;unsigned&nbsp;char&quot;&nbsp;pixel&nbsp;type,but&nbsp;when&nbsp;I&nbsp;want&nbsp;to&nbsp;read&nbsp;the<br>se&nbsp;files&nbsp;in&nbsp;&quot;float&quot;&nbsp;pixel&nbsp;type,&nbsp;i&nbsp;get&nbsp;some&nbsp;error&nbsp;below:<br>-----------------------------------------------------------------------<br>ExceptionObject&nbsp;caught&nbsp;!<br><br>itk::ExceptionObject&nbsp;(00EDFDE8)<br>Location:&nbsp;&quot;Unknown&quot;<br>File:&nbsp;E:\Program&nbsp;Files\SDK_2\ITK\InsightToolkit-1.2.0\Code\IO\itkAnalyzeImageIO.<br>cxx<br>Line:&nbsp;1002<br>Description:&nbsp;File&nbsp;cannot&nbsp;be&nbsp;read<br>-----------------------------------------------------------------------<br><br>How&nbsp;can&nbsp;i&nbsp;solve&nbsp;this&nbsp;problom?&nbsp;<br><br>Thank&nbsp;you&nbsp;very&nbsp;much!<br><font style='font-size:12pt'>
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