<div dir="ltr"><div>Hi All,</div><div><br></div><div>I want to Read dicom data series (761 file) and surround it by VTKboxwidget but the code crash at the reading , and give the following error </div><div><br></div><div><br>
</div><div><b>ERROR: In m:\dev\cur\vtkdotnet\branch\50\Filtering\vtkStreamingDemandDrivenPipeline.cxx, line 628</b></div><div><b>vtkStreamingDemandDrivenPipeline (070B2110): The update extent specified in the information for output port 0 on algorithm vtkTrivialProducer(070AA4B0) is 0 1 0 1 0 1, which is outside the whole extent 0 -1 0 -1 0 -1.</b></div>
<div><b><br></b></div><div><b>ERROR: In m:\dev\cur\vtkdotnet\branch\50\Filtering\vtkImageData.cxx, line 1450</b></div><div><b>vtkImageData (070A6710): GetScalarPointer: Pixel (0, 0, 0) not in memory.</b></div><div><b> Current extent= (0, -1, 0, -1, 0, -1)</b></div>
<div><br></div><div>the code is:</div><div><br></div><div><div>            vtk.vtkDICOMImageReader VDR = new vtk.vtkDICOMImageReader();</div><div>            VDR.SetDirectoryName(@&quot;E:\Master Degree\test DataSet\Asmaa_pre\08151449&quot;); //E:\Master Degree\DataSet\case2\DICOM\PA1\ST1\SE2</div>
<div>           // VDR.SetDataOrigin(0, 0, 0);</div><div>           <span class="Apple-style-span" style="background-color: rgb(255, 255, 51);"> VDR.Update();</span></div><div><br></div><div>            vtkImageData d = new vtkImageData();</div>
<div>            d.DeepCopy(VDR.GetOutput());</div><div><br></div><div>           int t =  d.GetMaxCellSize();</div><div><br></div><div>            // decrease the dataset data for large data preprocessing </div><div><br>
</div><div>            vtkImageShrink3D VIS = new vtkImageShrink3D();</div><div>            VIS.SetShrinkFactors(2, 2, 2);</div><div>            VIS.SetInput (d);</div><div>            VIS.Update();</div><div><br></div><div>
            vtkImageThreshold VIT = new vtkImageThreshold();</div><div>            VIT.ThresholdBetween(200, 2000);</div><div>            VIT.SetInputConnection(VIS.GetOutputPort());</div><div>            VIT.Update();</div>
<div><br></div><div>            ///// Start the creation of volume rendering </div><div><br></div><div><br></div><div>            // Render the skin - Soft tissue </div><div>            double isovalue = 500;</div><div><br>
</div><div><br></div><div>            vtkContourFilter skinExtractor = new vtkContourFilter();</div><div>            skinExtractor.SetInputConnection(VIT.GetOutputPort());</div><div>            skinExtractor.SetValue(0, isovalue);</div>
<div>            skinExtractor.ComputeGradientsOn();</div><div>            skinExtractor.Update();</div><div><br></div><div>            gpd = new vtkPolyData();</div><div>            gpd.DeepCopy(skinExtractor.GetOutput());</div>
<div><br></div><div><br></div><div>            int x = gpd.GetNumberOfCells();</div><div>            int y = gpd.GetNumberOfPoints();</div><div><br></div><div><br></div><div><br></div><div>            vtk.vtkPolyDataMapper coneMapper = new vtk.vtkPolyDataMapper();</div>
<div>            coneMapper.SetInput(gpd);</div><div>            coneMapper.ScalarVisibilityOff();</div><div><br></div><div>            maceActor = new vtkLODActor();</div><div>            maceActor.SetMapper(coneMapper);</div>
<div>            maceActor.GetProperty().SetColor(1,0,0);</div><div>            //////////////////////// Selection Part /////////////////////////</div><div>            planes = new vtkPlanes();</div><div><br></div><div>            clipper = new vtkClipPolyData();</div>
<div>            clipper.SetInput(gpd);</div><div>            clipper.SetClipFunction(planes);</div><div>            clipper.InsideOutOn();</div><div>            clipper.Modified();</div><div>            vtkPolyDataMapper selectMapper = new vtkPolyDataMapper();</div>
<div>            selectMapper.SetInput(clipper.GetOutput());</div><div>            selectMapper.ScalarVisibilityOff();</div><div><br></div><div>            selectActor = new vtkLODActor();</div><div>            selectActor.SetMapper(selectMapper);</div>
<div>            selectActor.GetProperty().SetColor(0, 1, 0);</div><div>            selectActor.VisibilityOff();</div><div>            selectActor.SetScale(1.01, 1.01, 1.01);</div><div><br></div><div>            /////////////////////// End of selection part////////////////////</div>
<div>   </div><div>            //////////////////////////// Cutting part /////////////////////////////////</div><div><br></div><div><br></div><div>            clipper_cutting = new vtkClipPolyData();</div><div>            clipper_cutting.SetInput(gpd);</div>
<div>            clipper_cutting.SetClipFunction(planes);</div><div>            clipper_cutting.InsideOutOff();</div><div>            clipper_cutting.GenerateClippedOutputOff();</div><div>            clipper_cutting.Modified();</div>
<div>            vtkPolyDataMapper selectMapper_cutting = new vtkPolyDataMapper();</div><div>            selectMapper_cutting.SetInput(clipper_cutting.GetOutput());</div><div>            selectMapper_cutting.ScalarVisibilityOff();</div>
<div><br></div><div>            selectActor_cutting = new vtkLODActor();</div><div>            selectActor_cutting.SetMapper(selectMapper_cutting);</div><div>            selectActor_cutting.GetProperty().SetColor(1, 0, 0);</div>
<div>            selectActor_cutting.VisibilityOff();</div><div>            selectActor_cutting.SetScale(1.01, 1.01, 1.01);</div><div><br></div><div>            //////////////////////////// End Cutting part //////////////////////////////////////</div>
<div>            vtk.vtkRenderer ren1 = new vtk.vtkRenderer();</div><div><br></div><div>            renWin.AddRenderer(ren1);</div><div>            //ren1.SetBackground(0.0f, 0.0f, 0.0f);</div><div><br></div><div>            vtkRenderWindowInteractor iren = new vtkRenderWindowInteractor();</div>
<div>            iren.SetRenderWindow(renWin);</div><div><br></div><div><br></div><div><br></div><div>            //The SetInteractor method is how 3D widgets are associated with the</div><div>            //render window interactor.  Internally, SetInteractor sets up a bunch</div>
<div>            //of callbacks using the Command/Observer mechanism (AddObserver()).</div><div>            vtkBoxWidget boxWidget = new vtkBoxWidget();</div><div>            boxWidget.SetInteractor(iren);</div><div>            boxWidget.SetPlaceFactor(1.25);</div>
<div>            boxWidget.TranslationEnabledOn();</div><div><br></div><div>            </div><div>            </div><div>            ren1.AddActor(maceActor);</div><div>            ren1.AddActor(selectActor); </div><div>
            ren1.AddActor(selectActor_cutting);</div><div><br></div><div>            boxWidget.SetInput(gpd);</div><div>            boxWidget.Modified();</div><div>            boxWidget.PlaceWidget();</div><div><br></div>
<div>            boxWidget.AddObserver((uint)vtk.EventIds.StartInteractionEvent, new vtk.vtkDotNetCallback(StartInteractionEvent));</div><div>            boxWidget.AddObserver((uint)vtk.EventIds.InteractionEvent, new vtk.vtkDotNetCallback(InteractionEvent));</div>
<div>            boxWidget.AddObserver((uint)vtk.EventIds.EndInteractionEvent, new vtk.vtkDotNetCallback(EndInteractionEvent));</div><div>            </div><div><br></div><div>            boxWidget.On();</div><div><br></div>
<div><br></div><div>            renWin.AddRenderer(ren1);</div><div><br></div><div>            GC.Collect(); </div></div></div>