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</o:shapelayout></xml><![endif]--></head><body lang=DE-CH link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hello ITK-User,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I am using the Image Series Writer to write a series of DICOM files. In the past, this class had some problems with the z-spacing (always 1mm). Fortunately this problem was almost solved with the latest ITK version. Almost solved because of the following reasons:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I tested the class by reading and writing and reading again the same series. Based on the fact, that neither a registration nor any other manipulation of the image has been performed, the Meta Data Dictionary Array should be the same all over the writing and reading process. <b>THIS is not the case.<o:p></o:p></b></span></p><p class=MsoNormal><b><span lang=EN-US><o:p> </o:p></span></b></p><p class=MsoNormal><span lang=EN-US>The following entries, of the Meta Data Dictionary Array, differ from each other only by rewriting:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>-----------------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>ID tag: 0018|0088<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Original ID tag value: 3.75<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Rewritten ID tag value: 1<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>ID tag: 0018|1310<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Original ID tag value: 0\256\224\0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Rewritten ID tag value: 23600\13618\23606\12850\23604\48<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal>ID tag: 0020|0037<o:p></o:p></p><p class=MsoNormal>Original ID tag value: 1\-2.0397992e-010\2.1439154e-011\2.051035e-010\0.9945219\-0.10452846<o:p></o:p></p><p class=MsoNormal><span lang=EN-US>Rewritten ID tag value: 1\0\0\0\1\0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>ID tag: 0028|0101<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Original ID tag value: 12<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Rewritten ID tag value: 16<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>ID tag: 0028|0102<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Original ID tag value: 11<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Rewritten ID tag value: 15<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>ID tag: 0028|0103<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Original ID tag value: 0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Rewritten ID tag value: 1<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>ID tag: 0028|0106<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Original ID tag value: 0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Rewritten ID tag value: 48<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>ID tag: 0028|0107<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Original ID tag value: 994<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Rewritten ID tag value: 14649\52<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>--------------------------------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>ID tag: 0018|0088 -> Is the spacing between slices and automatically set to 1mm. why?? <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>ID tag: 0018|1310 -> Acquisition Matrix. Why does this value change. ?? No registration has been performed !!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>ID tag: 0020|0037-> Image orientation (Patient). The Identity matrix is set automatically. Why ?? if no changes have been performed, why it must be changed?? Recalculation ??<b> </b>See: https://issues.itk.org/jira/browse/ITK-281<b><o:p></o:p></b></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>ID tag: 0028|0101-> Number of Bits stored. The image has not been changed, why is this value not the same as on the original image??<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>ID tag: 0028|0102-> Number of Bits stored. The image has not been changed, why is this value not the same as on the original image??<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>ID tag: 0028|0103-> Number of Bits stored. The image has not been changed, why is this value not the same as on the original image??<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>ID tag: 0028|0106-> Smallest Image Pixel Value. Why does this value change???!!!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal>ID tag: 0028|0107-> Largest Image Pixel Value. <span lang=EN-US>It added a dimension??!!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The Tags “Number of Bits stored” differs because I used a higher Bit number type, I guess. Or are the last four Bits redundant??<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Question: Is it possible to change the Meta Data Dictionary Array only, without touching the images and not using the Image Series Writer class ??<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Best Regards<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Thomas<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>