<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1467704841090_5800"> Hi all of you.</div><div id="yui_3_16_0_ym19_1_1467704841090_5799"><br></div><div id="yui_3_16_0_ym19_1_1467704841090_5610" dir="ltr">I have an vtkDICOMImageReader object, named m_pDICOMReader, used into app that made multiplanar reconstruction.</div><div id="yui_3_16_0_ym19_1_1467704841090_5798" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1467704841090_5797" dir="ltr">In order to do that, I get origin, spacing and extend, just like this:</div><div dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1467704841090_5796" dir="ltr">m_pDICOMReader->GetOutput()->GetExtent(nExtent);</div><div dir="ltr">m_pDICOMReader->GetOutput()->GetSpacing(dSpacing);</div><div id="yui_3_16_0_ym19_1_1467704841090_5781" dir="ltr">m_pDICOMReader->GetOutput()->GetOrigin(dOrigin);</div><div id="yui_3_16_0_ym19_1_1467704841090_5782" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1467704841090_5783" dir="ltr">but I noticed that on some CT with 1.255 mm, with many slices (778 slices), the z spacing (dSpacing[2]) is 0... why ? Could you help me ?</div><div dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1467704841090_5801" dir="ltr">Thank you.</div><div id="yui_3_16_0_ym19_1_1467704841090_5802" dir="ltr"><br></div></div></body></html>