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Hi, Sergio<br>
<br>
I think you were reading the documentation of 'gdcm1', an old and
obsolet version of gdcm.<br>
(GDCM_NAME_SPACE doesn't exist any longer in gdcm2)<br>
<br>
I forward your message to gdcm2 developpers.<br>
<br>
Jean-Pierre<br>
<br>
<br>
<br>
<br>
On 09/15/2011 04:09 AM, Sergio Aguirre wrote:
<blockquote
cite="mid:CACU7FaVGzQNL4hFRa2To=-ADoL+KE52+okpyOB4UUC16A69-Xg@mail.gmail.com"
type="cite">Hi everyone
<div><br>
</div>
<div>I am a bit confused regarding the way X Y and Z spacing is
determined from the DICOM tags of CT DICOM Images. </div>
<div><br>
</div>
<div>From the GDCM_NAME_SPACE::File Class Reference I see that
both X and Y spacing are determined by GetXSpacing() /
GetYSpacing </div>
<div><br>
</div>
<div>For both X and Y it states that it "gets the info from
0018|1164 : ImagerPixelSpacing" THEN "0028|0030: Pixel Spacing
ELSE 1.0"</div>
<div><br>
</div>
<div>Does this mean that IF a valid value is present in 0018|1164
and a second valid value in 0028|0030 it will use the value
stored in 0028|0030???? </div>
<div><br>
</div>
<div>For Z Spacing again it states that it "gets the info from
0018|0088: Space between slices" else "from 0018|0050 Slice
Thickness" else 1.0 </div>
<div><br>
</div>
<div>Does this mean that if there is a valid value in 0018|0088
and a second valid value in 0018|0050 it will use the one stored
in 0018|0050???</div>
<div><br>
</div>
<div>Thank you, hope you can help </div>
<div><br>
Sergio </div>
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<br>
<br>
<pre class="moz-signature" cols="72">--
Jean-Pierre Roux
CNRS UMR 5220, INSERM U 1044
Laboratoire en lutte!
<a class="moz-txt-link-freetext" href="http://www.creatis.univ-lyon1.fr">http://www.creatis.univ-lyon1.fr</a>
<a class="moz-txt-link-freetext" href="http://www.sauvonslarecherche.fr/">http://www.sauvonslarecherche.fr/</a></pre>
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