<html>
<head>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii">
<meta name=Generator content="Microsoft Word 10 (filtered)">
<style>
<!--
/* Font Definitions */
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman";}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{color:purple;
text-decoration:underline;}
p
{margin-right:0cm;
margin-left:0cm;
font-size:12.0pt;
font-family:"Times New Roman";}
span.EmailStyle17
{font-family:Arial;
color:windowtext;}
@page Section1
{size:612.0pt 792.0pt;
margin:72.0pt 90.0pt 72.0pt 90.0pt;}
div.Section1
{page:Section1;}
-->
</style>
</head>
<body lang=EN-GB link=blue vlink=purple>
<div class=Section1>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'>Hi All</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'>I'm new to the ITK stuff and having been
working through the User guide. I have used the code in the guide to read a
DICOM file and display it in a window. When I read the file it doesn't
appear to read the information related to the pixel size or the origin of the
image. This information is embedded in the DICOM is there a way to make the
reader get this data or is the problem with the image which I hook onto the
output of the reader. The code I am using is as follows:</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> typedef
signed short InputPixelType;</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> const
unsigned int InputDimension = 2;</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> typedef
itk::Image< InputPixelType, InputDimension > InputImageType;</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> typedef
itk::ImageFileReader< InputImageType > ReaderType;</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> ReaderType::Pointer
reader = ReaderType::New();</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> reader->SetFileName("c:\\temp\\test.dcm");</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> typedef
itk::GDCMImageIO ImageIOType;</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> ImageIOType::Pointer
gdcmImageIO = ImageIOType::New();</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> reader->SetImageIO(
gdcmImageIO );</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> try
{</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> reader->Update();</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> }
</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> catch
(itk::ExceptionObject & e){</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> AfxMessageBox("Exception
in file reader ",MB_OK,NULL);</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> return;</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> }</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> typedef
itk::Point< double, InputImageType::ImageDimension > PointType;</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> PointType
point;</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> InputImageType::IndexType
pixelIndex;</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> InputImageType::PixelType
pixelValue;</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> InputImageType::Pointer
image = reader->GetOutput();</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> InputImageType::SpacingType
spacing;</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> spacing[0]
= 0.5; // spacing along X</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> spacing[1]
= 0.5; // spacing along Y</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> image->SetSpacing(
spacing );</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> InputImageType::PointType
origin;</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> origin[0]
= -128.0; // coordinates of the</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> origin[1]
= -128.0; // first pixel in N-D</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> image->SetOrigin(
origin ); </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'>As you can see I am manually setting the pixel size
and origin which is not ideal. </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'>Regards</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt'><b><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>Andrew Hoole </span></font></b></p>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-------------------------------------------------------------------------</span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>Medical Physics, Box 152 </span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>Cambridge University Hospitals NHS
Trust<br>
Addenbrooke's Hospital</span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>Hills Rd</span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>Cambridge</span></font><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Tel:
(+44) (0)1223-216544</span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>CB2 2QQ Fax:
(+44) (0)1223-257137</span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>UK</span></font><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Email:
andrew.hoole@addenbrookes.nhs.uk</span></font></p>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>--------------------------------------------------------------------------</span></font></p>
<p><font size=1 face=Tahoma><span style='font-size:8.0pt;font-family:Tahoma'>The
information contained in this EMAIL and any attachments is confidential and
intended solely for the attention and use of the intended recipient. If you are
not the intended recipient and have received this email in error you may not
disclose, copy, distribute or retain this message or any part of it.<br>
See <u><font color=blue><span style='color:blue'>Email disclaimer <</span></font></u><a
href="http://www.addenbrookes.org.uk/email_disclaimer.html">http://www.addenbrookes.org.uk/email_disclaimer.html</a><u><font
color=blue><span style='color:blue'>></span></font></u></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-US
style='font-size:12.0pt'> </span></font></p>
</div>
</body>
</html>