<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Dear vtk users,</div><div><br></div><div>Just found out the problem. </div><div><br></div><div>- Code needed:</div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Menlo; ">threshold-><span style="color: #486b95">ReplaceOutOn</span>();</div></div><div><br></div><div>- Code removed:</div><div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Menlo; ">threshold-><span style="color: rgb(72, 107, 149); ">ReplaceInOn</span>();</div></div></div><div><br></div><div>Now values are from 0 to 3000 as expected.</div><div><br></div><div>Best regards,</div><br><blockquote type="cite">Dear vtk users.<div><br></div><div>I am trying to perform a simple threshold over a 3D data set obtained from DICOM images.</div><div><br></div><div>I can render the data set before and after the threshold. Tried 2 approaches:</div><div><br></div><div>- vtkImageThreshold</div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Menlo; color: rgb(72, 107, 149); ">vtkSmartPointer<span style="color: rgb(0, 0, 0); "><</span>vtkImageThreshold<span style="color: rgb(0, 0, 0); ">> threshold = </span>vtkSmartPointer<span style="color: rgb(0, 0, 0); "><</span>vtkImageThreshold<span style="color: rgb(0, 0, 0); ">>::</span>New<span style="color: rgb(0, 0, 0); ">();</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Menlo; "><span class="Apple-tab-span" style="white-space: pre; "> </span>threshold-><span style="color: rgb(72, 107, 149); ">ThresholdBetween</span>(<span style="color: rgb(43, 46, 103); ">700</span>, <span style="color: rgb(43, 46, 103); ">3000</span>);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Menlo; color: rgb(72, 107, 149); "><span style="color: rgb(0, 0, 0); "><span class="Apple-tab-span" style="white-space: pre; "> </span>threshold-></span>SetInputConnection<span style="color: rgb(0, 0, 0); ">(reader-></span>GetOutputPort<span style="color: rgb(0, 0, 0); ">());</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Menlo; "><span class="Apple-tab-span" style="white-space: pre; "> </span>threshold-><span style="color: rgb(72, 107, 149); ">ReplaceInOn</span>();</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Menlo; "><span class="Apple-tab-span" style="white-space: pre; "> </span>threshold-><span style="color: rgb(72, 107, 149); ">Update</span>();</div></div><div><br></div><div>I get exactly the same scalar values (range is between -2047 and 6143), so no threshold is actually made...</div><div><br></div><div>- and vtkThreshold</div><div>in this case I get an unstructured grid, which I don't want to since I need data set to apply further processing.</div><div><br></div><div>Any ideas why vtkImageThreshold is not working?</div><div><br></div><div>Kind regards,</div></blockquote><div><br></div><div apple-content-edited="true">
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