<div dir="ltr">Hi Liu Peng,<div><br></div><div>Use the reader's GetRescaleSlope() and GetRescaleIntercept().  See <a href="http://dgobbi.github.io/vtk-dicom/doc/api/image_display.html">http://dgobbi.github.io/vtk-dicom/doc/api/image_display.html</a> and scroll down to the "Grayscale image display" section.</div><div><br></div><div>For a run-down on some of the complications of Window/Level in DICOM, see the following:</div><div><a href="http://dicom.nema.org/medical/dicom/current/output/chtml/part03/sect_C.11.html">http://dicom.nema.org/medical/dicom/current/output/chtml/part03/sect_C.11.html</a><br></div><div><a href="http://dicom.nema.org/medical/dicom/current/output/chtml/part03/sect_C.11.2.html">http://dicom.nema.org/medical/dicom/current/output/chtml/part03/sect_C.11.2.html</a></div><div><br></div><div> - David<br><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Sep 4, 2017 at 8:18 AM, Liu_tj <span dir="ltr"><<a href="mailto:tjlp@netease.com" target="_blank">tjlp@netease.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>Hi,</div><div><br></div><div>I use vtkImageViewer2 to display DICOM series. If I set the lung color level and window, which is -600 and 1200, to the vtkImageViewer2, the image is completely white.</div><div><br></div><div>If I use other DICOM browser tool, with the same level and window, the DICOM is displayed correclty.<br></div><div><br></div><div>What's wrong with the level and window setting to vtkImageViewer2?</div><div><br></div><div>Thanks</div><div><br></div><div>Liu Peng<br></div></blockquote></div><br></div></div></div>