diff --git a/Core/Code/Rendering/mitkImageVtkMapper2D.cpp b/Core/Code/Rendering/mitkImageVtkMapper2D.cpp index aef20afad1..94c598d0c7 100644 --- a/Core/Code/Rendering/mitkImageVtkMapper2D.cpp +++ b/Core/Code/Rendering/mitkImageVtkMapper2D.cpp @@ -1,1080 +1,1080 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ //MITK #include #include #include #include #include #include #include #include #include #include #include //#include #include #include "mitkImageStatisticsHolder.h" #include "mitkPlaneClipping.h" //MITK Rendering #include "mitkImageVtkMapper2D.h" #include "vtkMitkThickSlicesFilter.h" #include "vtkMitkLevelWindowFilter.h" #include "vtkNeverTranslucentTexture.h" //VTK #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //ITK #include #include mitk::ImageVtkMapper2D::ImageVtkMapper2D() { } mitk::ImageVtkMapper2D::~ImageVtkMapper2D() { //The 3D RW Mapper (PlaneGeometryDataVtkMapper3D) is listening to this event, //in order to delete the images from the 3D RW. this->InvokeEvent( itk::DeleteEvent() ); } //set the two points defining the textured plane according to the dimension and spacing void mitk::ImageVtkMapper2D::GeneratePlane(mitk::BaseRenderer* renderer, double planeBounds[6]) { LocalStorage *localStorage = m_LSH.GetLocalStorage(renderer); float depth = this->CalculateLayerDepth(renderer); //Set the origin to (xMin; yMin; depth) of the plane. This is necessary for obtaining the correct //plane size in crosshair rotation and swivel mode. localStorage->m_Plane->SetOrigin(planeBounds[0], planeBounds[2], depth); //These two points define the axes of the plane in combination with the origin. //Point 1 is the x-axis and point 2 the y-axis. //Each plane is transformed according to the view (axial, coronal and saggital) afterwards. localStorage->m_Plane->SetPoint1(planeBounds[1] , planeBounds[2], depth); //P1: (xMax, yMin, depth) localStorage->m_Plane->SetPoint2(planeBounds[0], planeBounds[3], depth); //P2: (xMin, yMax, depth) } float mitk::ImageVtkMapper2D::CalculateLayerDepth(mitk::BaseRenderer* renderer) { //get the clipping range to check how deep into z direction we can render images double maxRange = renderer->GetVtkRenderer()->GetActiveCamera()->GetClippingRange()[1]; //Due to a VTK bug, we cannot use the whole clipping range. /100 is empirically determined float depth = -maxRange*0.01; // divide by 100 int layer = 0; GetDataNode()->GetIntProperty( "layer", layer, renderer); //add the layer property for each image to render images with a higher layer on top of the others depth += layer*10; //*10: keep some room for each image (e.g. for QBalls in between) if(depth > 0.0f) { depth = 0.0f; MITK_WARN << "Layer value exceeds clipping range. Set to minimum instead."; } return depth; } const mitk::Image* mitk::ImageVtkMapper2D::GetInput( void ) { return static_cast< const mitk::Image * >( GetDataNode()->GetData() ); } vtkProp* mitk::ImageVtkMapper2D::GetVtkProp(mitk::BaseRenderer* renderer) { //return the actor corresponding to the renderer return m_LSH.GetLocalStorage(renderer)->m_Actors; } void mitk::ImageVtkMapper2D::GenerateDataForRenderer( mitk::BaseRenderer *renderer ) { LocalStorage *localStorage = m_LSH.GetLocalStorage(renderer); mitk::Image *input = const_cast< mitk::Image * >( this->GetInput() ); mitk::DataNode* datanode = this->GetDataNode(); if ( input == NULL || input->IsInitialized() == false ) { return; } //check if there is a valid worldGeometry const PlaneGeometry *worldGeometry = renderer->GetCurrentWorldPlaneGeometry(); if( ( worldGeometry == NULL ) || ( !worldGeometry->IsValid() ) || ( !worldGeometry->HasReferenceGeometry() )) { return; } input->Update(); // early out if there is no intersection of the current rendering geometry // and the geometry of the image that is to be rendered. if ( !RenderingGeometryIntersectsImage( worldGeometry, input->GetSlicedGeometry() ) ) { // set image to NULL, to clear the texture in 3D, because // the latest image is used there if the plane is out of the geometry // see bug-13275 localStorage->m_ReslicedImage = NULL; localStorage->m_Mapper->SetInputData( localStorage->m_EmptyPolyData ); return; } //set main input for ExtractSliceFilter localStorage->m_Reslicer->SetInput(input); localStorage->m_Reslicer->SetWorldGeometry(worldGeometry); localStorage->m_Reslicer->SetTimeStep( this->GetTimestep() ); //set the transformation of the image to adapt reslice axis localStorage->m_Reslicer->SetResliceTransformByGeometry( input->GetTimeGeometry()->GetGeometryForTimeStep( this->GetTimestep() ) ); //is the geometry of the slice based on the input image or the worldgeometry? bool inPlaneResampleExtentByGeometry = false; datanode->GetBoolProperty("in plane resample extent by geometry", inPlaneResampleExtentByGeometry, renderer); localStorage->m_Reslicer->SetInPlaneResampleExtentByGeometry(inPlaneResampleExtentByGeometry); // Initialize the interpolation mode for resampling; switch to nearest // neighbor if the input image is too small. if ( (input->GetDimension() >= 3) && (input->GetDimension(2) > 1) ) { VtkResliceInterpolationProperty *resliceInterpolationProperty; datanode->GetProperty( - resliceInterpolationProperty, "reslice interpolation" ); + resliceInterpolationProperty, "reslice interpolation", renderer ); int interpolationMode = VTK_RESLICE_NEAREST; if ( resliceInterpolationProperty != NULL ) { interpolationMode = resliceInterpolationProperty->GetInterpolation(); } switch ( interpolationMode ) { case VTK_RESLICE_NEAREST: localStorage->m_Reslicer->SetInterpolationMode(ExtractSliceFilter::RESLICE_NEAREST); break; case VTK_RESLICE_LINEAR: localStorage->m_Reslicer->SetInterpolationMode(ExtractSliceFilter::RESLICE_LINEAR); break; case VTK_RESLICE_CUBIC: localStorage->m_Reslicer->SetInterpolationMode(ExtractSliceFilter::RESLICE_CUBIC); break; } } else { localStorage->m_Reslicer->SetInterpolationMode(ExtractSliceFilter::RESLICE_NEAREST); } //set the vtk output property to true, makes sure that no unneeded mitk image convertion //is done. localStorage->m_Reslicer->SetVtkOutputRequest(true); //Thickslicing int thickSlicesMode = 0; int thickSlicesNum = 1; // Thick slices parameters if( input->GetPixelType().GetNumberOfComponents() == 1 ) // for now only single component are allowed { DataNode *dn=renderer->GetCurrentWorldPlaneGeometryNode(); if(dn) { ResliceMethodProperty *resliceMethodEnumProperty=0; - if( dn->GetProperty( resliceMethodEnumProperty, "reslice.thickslices" ) && resliceMethodEnumProperty ) + if( dn->GetProperty( resliceMethodEnumProperty, "reslice.thickslices", renderer ) && resliceMethodEnumProperty ) thickSlicesMode = resliceMethodEnumProperty->GetValueAsId(); IntProperty *intProperty=0; - if( dn->GetProperty( intProperty, "reslice.thickslices.num" ) && intProperty ) + if( dn->GetProperty( intProperty, "reslice.thickslices.num", renderer ) && intProperty ) { thickSlicesNum = intProperty->GetValue(); if(thickSlicesNum < 1) thickSlicesNum=1; } } else { MITK_WARN << "no associated widget plane data tree node found"; } } const PlaneGeometry *planeGeometry = dynamic_cast< const PlaneGeometry * >( worldGeometry ); if(thickSlicesMode > 0) { double dataZSpacing = 1.0; Vector3D normInIndex, normal; const mitk::AbstractTransformGeometry* abstractGeometry = dynamic_cast< const AbstractTransformGeometry * >(worldGeometry); if(abstractGeometry != NULL) normal = abstractGeometry->GetPlane()->GetNormal(); else{ if ( planeGeometry != NULL ){ normal = planeGeometry->GetNormal(); } else return; //no fitting geometry set } normal.Normalize(); input->GetTimeGeometry()->GetGeometryForTimeStep( this->GetTimestep() )->WorldToIndex( normal, normInIndex ); dataZSpacing = 1.0 / normInIndex.GetNorm(); localStorage->m_Reslicer->SetOutputDimensionality( 3 ); localStorage->m_Reslicer->SetOutputSpacingZDirection(dataZSpacing); localStorage->m_Reslicer->SetOutputExtentZDirection( -thickSlicesNum, 0+thickSlicesNum ); // Do the reslicing. Modified() is called to make sure that the reslicer is // executed even though the input geometry information did not change; this // is necessary when the input /em data, but not the /em geometry changes. localStorage->m_TSFilter->SetThickSliceMode( thickSlicesMode-1 ); localStorage->m_TSFilter->SetInputData( localStorage->m_Reslicer->GetVtkOutput() ); //vtkFilter=>mitkFilter=>vtkFilter update mechanism will fail without calling manually localStorage->m_Reslicer->Modified(); localStorage->m_Reslicer->Update(); localStorage->m_TSFilter->Modified(); localStorage->m_TSFilter->Update(); localStorage->m_ReslicedImage = localStorage->m_TSFilter->GetOutput(); } else { //this is needed when thick mode was enable bevore. These variable have to be reset to default values localStorage->m_Reslicer->SetOutputDimensionality( 2 ); localStorage->m_Reslicer->SetOutputSpacingZDirection(1.0); localStorage->m_Reslicer->SetOutputExtentZDirection( 0, 0 ); localStorage->m_Reslicer->Modified(); //start the pipeline with updating the largest possible, needed if the geometry of the input has changed localStorage->m_Reslicer->UpdateLargestPossibleRegion(); localStorage->m_ReslicedImage = localStorage->m_Reslicer->GetVtkOutput(); } // Bounds information for reslicing (only reuqired if reference geometry // is present) //this used for generating a vtkPLaneSource with the right size double sliceBounds[6]; for ( int i = 0; i < 6; ++i ) { sliceBounds[i] = 0.0; } localStorage->m_Reslicer->GetClippedPlaneBounds(sliceBounds); //get the spacing of the slice localStorage->m_mmPerPixel = localStorage->m_Reslicer->GetOutputSpacing(); // calculate minimum bounding rect of IMAGE in texture { double textureClippingBounds[6]; for ( int i = 0; i < 6; ++i ) { textureClippingBounds[i] = 0.0; } // Calculate the actual bounds of the transformed plane clipped by the // dataset bounding box; this is required for drawing the texture at the // correct position during 3D mapping. mitk::PlaneClipping::CalculateClippedPlaneBounds( input->GetGeometry(), planeGeometry, textureClippingBounds ); textureClippingBounds[0] = static_cast< int >( textureClippingBounds[0] / localStorage->m_mmPerPixel[0] + 0.5 ); textureClippingBounds[1] = static_cast< int >( textureClippingBounds[1] / localStorage->m_mmPerPixel[0] + 0.5 ); textureClippingBounds[2] = static_cast< int >( textureClippingBounds[2] / localStorage->m_mmPerPixel[1] + 0.5 ); textureClippingBounds[3] = static_cast< int >( textureClippingBounds[3] / localStorage->m_mmPerPixel[1] + 0.5 ); //clipping bounds for cutting the image localStorage->m_LevelWindowFilter->SetClippingBounds(textureClippingBounds); } //get the number of scalar components to distinguish between different image types int numberOfComponents = localStorage->m_ReslicedImage->GetNumberOfScalarComponents(); //get the binary property bool binary = false; bool binaryOutline = false; datanode->GetBoolProperty( "binary", binary, renderer ); if(binary) //binary image { datanode->GetBoolProperty( "outline binary", binaryOutline, renderer ); if(binaryOutline) //contour rendering { if ( input->GetPixelType().GetBpe() <= 8 ) { //generate contours/outlines localStorage->m_OutlinePolyData = CreateOutlinePolyData(renderer); float binaryOutlineWidth(1.0); if ( datanode->GetFloatProperty( "outline width", binaryOutlineWidth, renderer ) ) { if ( localStorage->m_Actors->GetNumberOfPaths() > 1 ) { float binaryOutlineShadowWidth(1.5); datanode->GetFloatProperty( "outline shadow width", binaryOutlineShadowWidth, renderer ); dynamic_cast(localStorage->m_Actors->GetParts()->GetItemAsObject(0)) ->GetProperty()->SetLineWidth( binaryOutlineWidth * binaryOutlineShadowWidth ); } localStorage->m_Actor->GetProperty()->SetLineWidth( binaryOutlineWidth ); } } else { binaryOutline = false; this->ApplyLookuptable(renderer); MITK_WARN << "Type of all binary images should be (un)signed char. Outline does not work on other pixel types!"; } } else //standard binary image { if(numberOfComponents != 1) { MITK_ERROR << "Rendering Error: Binary Images with more then 1 component are not supported!"; } } } this->ApplyOpacity( renderer ); this->ApplyRenderingMode(renderer); // do not use a VTK lookup table (we do that ourselves in m_LevelWindowFilter) localStorage->m_Texture->MapColorScalarsThroughLookupTableOff(); int displayedComponent = 0; if (datanode->GetIntProperty("Image.Displayed Component", displayedComponent, renderer) && numberOfComponents > 1) { localStorage->m_VectorComponentExtractor->SetComponents(displayedComponent); localStorage->m_VectorComponentExtractor->SetInputData(localStorage->m_ReslicedImage); localStorage->m_LevelWindowFilter->SetInputConnection(localStorage->m_VectorComponentExtractor->GetOutputPort(0)); } else { //connect the input with the levelwindow filter localStorage->m_LevelWindowFilter->SetInputData(localStorage->m_ReslicedImage); } // check for texture interpolation property bool textureInterpolation = false; GetDataNode()->GetBoolProperty( "texture interpolation", textureInterpolation, renderer ); //set the interpolation modus according to the property localStorage->m_Texture->SetInterpolate(textureInterpolation); // connect the texture with the output of the levelwindow filter localStorage->m_Texture->SetInputConnection(localStorage->m_LevelWindowFilter->GetOutputPort()); this->TransformActor( renderer ); vtkActor* contourShadowActor = dynamic_cast (localStorage->m_Actors->GetParts()->GetItemAsObject(0)); if(binary && binaryOutline) //connect the mapper with the polyData which contains the lines { //We need the contour for the binary outline property as actor localStorage->m_Mapper->SetInputData(localStorage->m_OutlinePolyData); localStorage->m_Actor->SetTexture(NULL); //no texture for contours bool binaryOutlineShadow( false ); datanode->GetBoolProperty( "outline binary shadow", binaryOutlineShadow, renderer ); if ( binaryOutlineShadow ) contourShadowActor->SetVisibility( true ); else contourShadowActor->SetVisibility( false ); } else { //Connect the mapper with the input texture. This is the standard case. //setup the textured plane this->GeneratePlane( renderer, sliceBounds ); //set the plane as input for the mapper localStorage->m_Mapper->SetInputConnection(localStorage->m_Plane->GetOutputPort()); //set the texture for the actor localStorage->m_Actor->SetTexture(localStorage->m_Texture); contourShadowActor->SetVisibility( false ); } // We have been modified => save this for next Update() localStorage->m_LastUpdateTime.Modified(); } void mitk::ImageVtkMapper2D::ApplyLevelWindow(mitk::BaseRenderer *renderer) { LocalStorage *localStorage = this->GetLocalStorage( renderer ); LevelWindow levelWindow; this->GetDataNode()->GetLevelWindow( levelWindow, renderer, "levelwindow" ); localStorage->m_LevelWindowFilter->GetLookupTable()->SetRange( levelWindow.GetLowerWindowBound(), levelWindow.GetUpperWindowBound() ); mitk::LevelWindow opacLevelWindow; if( this->GetDataNode()->GetLevelWindow( opacLevelWindow, renderer, "opaclevelwindow" ) ) { //pass the opaque level window to the filter localStorage->m_LevelWindowFilter->SetMinOpacity(opacLevelWindow.GetLowerWindowBound()); localStorage->m_LevelWindowFilter->SetMaxOpacity(opacLevelWindow.GetUpperWindowBound()); } else { //no opaque level window localStorage->m_LevelWindowFilter->SetMinOpacity(0.0); localStorage->m_LevelWindowFilter->SetMaxOpacity(255.0); } } void mitk::ImageVtkMapper2D::ApplyColor( mitk::BaseRenderer* renderer ) { LocalStorage *localStorage = this->GetLocalStorage( renderer ); float rgb[3]= { 1.0f, 1.0f, 1.0f }; // check for color prop and use it for rendering if it exists // binary image hovering & binary image selection bool hover = false; bool selected = false; GetDataNode()->GetBoolProperty("binaryimage.ishovering", hover, renderer); GetDataNode()->GetBoolProperty("selected", selected, renderer); if(hover && !selected) { mitk::ColorProperty::Pointer colorprop = dynamic_cast(GetDataNode()->GetProperty ("binaryimage.hoveringcolor", renderer)); if(colorprop.IsNotNull()) { memcpy(rgb, colorprop->GetColor().GetDataPointer(), 3*sizeof(float)); } else { GetDataNode()->GetColor( rgb, renderer, "color" ); } } if(selected) { mitk::ColorProperty::Pointer colorprop = dynamic_cast(GetDataNode()->GetProperty ("binaryimage.selectedcolor", renderer)); if(colorprop.IsNotNull()) { memcpy(rgb, colorprop->GetColor().GetDataPointer(), 3*sizeof(float)); } else { GetDataNode()->GetColor(rgb, renderer, "color"); } } if(!hover && !selected) { GetDataNode()->GetColor( rgb, renderer, "color" ); } double rgbConv[3] = {(double)rgb[0], (double)rgb[1], (double)rgb[2]}; //conversion to double for VTK dynamic_cast (localStorage->m_Actors->GetParts()->GetItemAsObject(0))->GetProperty()->SetColor(rgbConv); localStorage->m_Actor->GetProperty()->SetColor(rgbConv); if ( localStorage->m_Actors->GetParts()->GetNumberOfItems() > 1 ) { float rgb[3]= { 1.0f, 1.0f, 1.0f }; mitk::ColorProperty::Pointer colorprop = dynamic_cast(GetDataNode()->GetProperty ("outline binary shadow color", renderer)); if(colorprop.IsNotNull()) { memcpy(rgb, colorprop->GetColor().GetDataPointer(), 3*sizeof(float)); } double rgbConv[3] = {(double)rgb[0], (double)rgb[1], (double)rgb[2]}; //conversion to double for VTK dynamic_cast( localStorage->m_Actors->GetParts()->GetItemAsObject(0) )->GetProperty()->SetColor(rgbConv); } } void mitk::ImageVtkMapper2D::ApplyOpacity( mitk::BaseRenderer* renderer ) { LocalStorage* localStorage = this->GetLocalStorage( renderer ); float opacity = 1.0f; // check for opacity prop and use it for rendering if it exists GetDataNode()->GetOpacity( opacity, renderer, "opacity" ); //set the opacity according to the properties localStorage->m_Actor->GetProperty()->SetOpacity(opacity); if ( localStorage->m_Actors->GetParts()->GetNumberOfItems() > 1 ) { dynamic_cast( localStorage->m_Actors->GetParts()->GetItemAsObject(0) )->GetProperty()->SetOpacity(opacity); } } void mitk::ImageVtkMapper2D::ApplyRenderingMode( mitk::BaseRenderer* renderer ) { LocalStorage* localStorage = m_LSH.GetLocalStorage(renderer); bool binary = false; this->GetDataNode()->GetBoolProperty( "binary", binary, renderer ); if(binary) // is it a binary image? { //for binary images, we always use our default LuT and map every value to (0,1) //the opacity of 0 will always be 0.0. We never a apply a LuT/TfF nor a level window. localStorage->m_LevelWindowFilter->SetLookupTable(localStorage->m_BinaryLookupTable); } else { //all other image types can make use of the rendering mode int renderingMode = mitk::RenderingModeProperty::LOOKUPTABLE_LEVELWINDOW_COLOR; mitk::RenderingModeProperty::Pointer mode = dynamic_cast(this->GetDataNode()->GetProperty( "Image Rendering.Mode", renderer )); if(mode.IsNotNull()) { renderingMode = mode->GetRenderingMode(); } switch(renderingMode) { case mitk::RenderingModeProperty::LOOKUPTABLE_LEVELWINDOW_COLOR: MITK_DEBUG << "'Image Rendering.Mode' = LevelWindow_LookupTable_Color"; this->ApplyLookuptable( renderer ); this->ApplyLevelWindow( renderer ); break; case mitk::RenderingModeProperty::COLORTRANSFERFUNCTION_LEVELWINDOW_COLOR: MITK_DEBUG << "'Image Rendering.Mode' = LevelWindow_ColorTransferFunction_Color"; this->ApplyColorTransferFunction( renderer ); this->ApplyLevelWindow( renderer ); break; case mitk::RenderingModeProperty::LOOKUPTABLE_COLOR: MITK_DEBUG << "'Image Rendering.Mode' = LookupTable_Color"; this->ApplyLookuptable( renderer ); break; case mitk::RenderingModeProperty::COLORTRANSFERFUNCTION_COLOR: MITK_DEBUG << "'Image Rendering.Mode' = ColorTransferFunction_Color"; this->ApplyColorTransferFunction( renderer ); break; default: MITK_ERROR << "No valid 'Image Rendering.Mode' set. Using LOOKUPTABLE_LEVELWINDOW_COLOR instead."; this->ApplyLookuptable( renderer ); this->ApplyLevelWindow( renderer ); break; } } //we apply color for all images (including binaries). this->ApplyColor( renderer ); } void mitk::ImageVtkMapper2D::ApplyLookuptable( mitk::BaseRenderer* renderer ) { LocalStorage* localStorage = m_LSH.GetLocalStorage(renderer); vtkLookupTable* usedLookupTable = localStorage->m_ColorLookupTable; // If lookup table or transferfunction use is requested... mitk::LookupTableProperty::Pointer lookupTableProp = dynamic_cast(this->GetDataNode()->GetProperty("LookupTable")); if( lookupTableProp.IsNotNull() ) // is a lookuptable set? { usedLookupTable = lookupTableProp->GetLookupTable()->GetVtkLookupTable(); } else { //"Image Rendering.Mode was set to use a lookup table but there is no property 'LookupTable'. //A default (rainbow) lookup table will be used. //Here have to do nothing. Warning for the user has been removed, due to unwanted console output //in every interation of the rendering. } localStorage->m_LevelWindowFilter->SetLookupTable(usedLookupTable); } void mitk::ImageVtkMapper2D::ApplyColorTransferFunction(mitk::BaseRenderer *renderer) { mitk::TransferFunctionProperty::Pointer transferFunctionProp = dynamic_cast(this->GetDataNode()->GetProperty("Image Rendering.Transfer Function",renderer )); if( transferFunctionProp.IsNull() ) { MITK_ERROR << "'Image Rendering.Mode'' was set to use a color transfer function but there is no property 'Image Rendering.Transfer Function'. Nothing will be done."; return; } LocalStorage* localStorage = m_LSH.GetLocalStorage(renderer); //pass the transfer function to our level window filter localStorage->m_LevelWindowFilter->SetLookupTable(transferFunctionProp->GetValue()->GetColorTransferFunction()); localStorage->m_LevelWindowFilter->SetOpacityPiecewiseFunction(transferFunctionProp->GetValue()->GetScalarOpacityFunction()); } void mitk::ImageVtkMapper2D::Update(mitk::BaseRenderer* renderer) { bool visible = true; GetDataNode()->GetVisibility(visible, renderer, "visible"); if ( !visible ) { return; } mitk::Image* data = const_cast( this->GetInput() ); if ( data == NULL ) { return; } // Calculate time step of the input data for the specified renderer (integer value) this->CalculateTimeStep( renderer ); // Check if time step is valid const TimeGeometry *dataTimeGeometry = data->GetTimeGeometry(); if ( ( dataTimeGeometry == NULL ) || ( dataTimeGeometry->CountTimeSteps() == 0 ) || ( !dataTimeGeometry->IsValidTimeStep( this->GetTimestep() ) ) ) { return; } const DataNode *node = this->GetDataNode(); data->UpdateOutputInformation(); LocalStorage *localStorage = m_LSH.GetLocalStorage(renderer); //check if something important has changed and we need to rerender if ( (localStorage->m_LastUpdateTime < node->GetMTime()) //was the node modified? || (localStorage->m_LastUpdateTime < data->GetPipelineMTime()) //Was the data modified? || (localStorage->m_LastUpdateTime < renderer->GetCurrentWorldPlaneGeometryUpdateTime()) //was the geometry modified? || (localStorage->m_LastUpdateTime < renderer->GetCurrentWorldPlaneGeometry()->GetMTime()) || (localStorage->m_LastUpdateTime < node->GetPropertyList()->GetMTime()) //was a property modified? || (localStorage->m_LastUpdateTime < node->GetPropertyList(renderer)->GetMTime()) ) { this->GenerateDataForRenderer( renderer ); } // since we have checked that nothing important has changed, we can set // m_LastUpdateTime to the current time localStorage->m_LastUpdateTime.Modified(); } void mitk::ImageVtkMapper2D::SetDefaultProperties(mitk::DataNode* node, mitk::BaseRenderer* renderer, bool overwrite) { mitk::Image::Pointer image = dynamic_cast(node->GetData()); // Properties common for both images and segmentations node->AddProperty( "depthOffset", mitk::FloatProperty::New( 0.0 ), renderer, overwrite ); node->AddProperty( "outline binary", mitk::BoolProperty::New( false ), renderer, overwrite ); node->AddProperty( "outline width", mitk::FloatProperty::New( 1.0 ), renderer, overwrite ); node->AddProperty( "outline binary shadow", mitk::BoolProperty::New( false ), renderer, overwrite ); node->AddProperty( "outline binary shadow color", ColorProperty::New(0.0,0.0,0.0), renderer, overwrite ); node->AddProperty( "outline shadow width", mitk::FloatProperty::New( 1.5 ), renderer, overwrite ); if(image->IsRotated()) node->AddProperty( "reslice interpolation", mitk::VtkResliceInterpolationProperty::New(VTK_RESLICE_CUBIC) ); else node->AddProperty( "reslice interpolation", mitk::VtkResliceInterpolationProperty::New() ); node->AddProperty( "texture interpolation", mitk::BoolProperty::New( mitk::DataNodeFactory::m_TextureInterpolationActive ) ); // set to user configurable default value (see global options) node->AddProperty( "in plane resample extent by geometry", mitk::BoolProperty::New( false ) ); node->AddProperty( "bounding box", mitk::BoolProperty::New( false ) ); mitk::RenderingModeProperty::Pointer renderingModeProperty = mitk::RenderingModeProperty::New(); node->AddProperty( "Image Rendering.Mode", renderingModeProperty); // Set default grayscale look-up table mitk::LookupTable::Pointer mitkLut = mitk::LookupTable::New(); mitkLut->SetType(mitk::LookupTable::GRAYSCALE); mitk::LookupTableProperty::Pointer mitkLutProp = mitk::LookupTableProperty::New(); mitkLutProp->SetLookupTable(mitkLut); node->SetProperty("LookupTable", mitkLutProp); std::string photometricInterpretation; // DICOM tag telling us how pixel values should be displayed if ( node->GetStringProperty( "dicom.pixel.PhotometricInterpretation", photometricInterpretation ) ) { // modality provided by DICOM or other reader if ( photometricInterpretation.find("MONOCHROME1") != std::string::npos ) // meaning: display MINIMUM pixels as WHITE { // Set inverse grayscale look-up table mitkLut->SetType(mitk::LookupTable::INVERSE_GRAYSCALE); mitkLutProp->SetLookupTable(mitkLut); node->SetProperty( "LookupTable", mitkLutProp ); renderingModeProperty->SetValue( mitk::RenderingModeProperty::LOOKUPTABLE_LEVELWINDOW_COLOR ); // USE lookuptable } // Otherwise do nothing - the default grayscale look-up table has already been set } bool isBinaryImage(false); if ( ! node->GetBoolProperty("binary", isBinaryImage) ) { // ok, property is not set, use heuristic to determine if this // is a binary image mitk::Image::Pointer centralSliceImage; ScalarType minValue = 0.0; ScalarType maxValue = 0.0; ScalarType min2ndValue = 0.0; ScalarType max2ndValue = 0.0; mitk::ImageSliceSelector::Pointer sliceSelector = mitk::ImageSliceSelector::New(); sliceSelector->SetInput(image); sliceSelector->SetSliceNr(image->GetDimension(2)/2); sliceSelector->SetTimeNr(image->GetDimension(3)/2); sliceSelector->SetChannelNr(image->GetDimension(4)/2); sliceSelector->Update(); centralSliceImage = sliceSelector->GetOutput(); if ( centralSliceImage.IsNotNull() && centralSliceImage->IsInitialized() ) { minValue = centralSliceImage->GetStatistics()->GetScalarValueMin(); maxValue = centralSliceImage->GetStatistics()->GetScalarValueMax(); min2ndValue = centralSliceImage->GetStatistics()->GetScalarValue2ndMin(); max2ndValue = centralSliceImage->GetStatistics()->GetScalarValue2ndMax(); } if ((maxValue == min2ndValue && minValue == max2ndValue) || minValue == maxValue) { // centralSlice is strange, lets look at all data minValue = image->GetStatistics()->GetScalarValueMin(); maxValue = image->GetStatistics()->GetScalarValueMaxNoRecompute(); min2ndValue = image->GetStatistics()->GetScalarValue2ndMinNoRecompute(); max2ndValue = image->GetStatistics()->GetScalarValue2ndMaxNoRecompute(); } isBinaryImage = ( maxValue == min2ndValue && minValue == max2ndValue ); } // some more properties specific for a binary... if (isBinaryImage) { node->AddProperty( "opacity", mitk::FloatProperty::New(0.3f), renderer, overwrite ); node->AddProperty( "color", ColorProperty::New(1.0,0.0,0.0), renderer, overwrite ); node->AddProperty( "binaryimage.selectedcolor", ColorProperty::New(1.0,0.0,0.0), renderer, overwrite ); node->AddProperty( "binaryimage.selectedannotationcolor", ColorProperty::New(1.0,0.0,0.0), renderer, overwrite ); node->AddProperty( "binaryimage.hoveringcolor", ColorProperty::New(1.0,0.0,0.0), renderer, overwrite ); node->AddProperty( "binaryimage.hoveringannotationcolor", ColorProperty::New(1.0,0.0,0.0), renderer, overwrite ); node->AddProperty( "binary", mitk::BoolProperty::New( true ), renderer, overwrite ); node->AddProperty("layer", mitk::IntProperty::New(10), renderer, overwrite); } else //...or image type object { node->AddProperty( "opacity", mitk::FloatProperty::New(1.0f), renderer, overwrite ); node->AddProperty( "color", ColorProperty::New(1.0,1.0,1.0), renderer, overwrite ); node->AddProperty( "binary", mitk::BoolProperty::New( false ), renderer, overwrite ); node->AddProperty("layer", mitk::IntProperty::New(0), renderer, overwrite); std::string className = image->GetNameOfClass(); if (className != "TensorImage" && className != "QBallImage") { PixelType pixelType = image->GetPixelType(); size_t numComponents = pixelType.GetNumberOfComponents(); if ((pixelType.GetPixelType() == itk::ImageIOBase::VECTOR && numComponents > 1) || numComponents == 2 || numComponents > 4) { node->AddProperty("Image.Displayed Component", mitk::IntProperty::New(0), renderer, overwrite); } } } if(image.IsNotNull() && image->IsInitialized()) { if((overwrite) || (node->GetProperty("levelwindow", renderer)==NULL)) { /* initialize level/window from DICOM tags */ std::string sLevel; std::string sWindow; if ( image->GetPropertyList()->GetStringProperty( "dicom.voilut.WindowCenter", sLevel ) && image->GetPropertyList()->GetStringProperty( "dicom.voilut.WindowWidth", sWindow ) ) { float level = atof( sLevel.c_str() ); float window = atof( sWindow.c_str() ); mitk::LevelWindow contrast; std::string sSmallestPixelValueInSeries; std::string sLargestPixelValueInSeries; if ( image->GetPropertyList()->GetStringProperty( "dicom.series.SmallestPixelValueInSeries", sSmallestPixelValueInSeries ) && image->GetPropertyList()->GetStringProperty( "dicom.series.LargestPixelValueInSeries", sLargestPixelValueInSeries ) ) { float smallestPixelValueInSeries = atof( sSmallestPixelValueInSeries.c_str() ); float largestPixelValueInSeries = atof( sLargestPixelValueInSeries.c_str() ); contrast.SetRangeMinMax( smallestPixelValueInSeries-1, largestPixelValueInSeries+1 ); // why not a little buffer? // might remedy some l/w widget challenges } else { contrast.SetAuto( static_cast(node->GetData()), false, true ); // we need this as a fallback } contrast.SetLevelWindow( level, window, true ); node->SetProperty( "levelwindow", LevelWindowProperty::New( contrast ), renderer ); } } if(((overwrite) || (node->GetProperty("opaclevelwindow", renderer)==NULL)) && (image->GetPixelType().GetPixelType() == itk::ImageIOBase::RGBA) && (image->GetPixelType().GetComponentType() == itk::ImageIOBase::UCHAR) ) { mitk::LevelWindow opaclevwin; opaclevwin.SetRangeMinMax(0,255); opaclevwin.SetWindowBounds(0,255); mitk::LevelWindowProperty::Pointer prop = mitk::LevelWindowProperty::New(opaclevwin); node->SetProperty( "opaclevelwindow", prop, renderer ); } } Superclass::SetDefaultProperties(node, renderer, overwrite); } mitk::ImageVtkMapper2D::LocalStorage* mitk::ImageVtkMapper2D::GetLocalStorage(mitk::BaseRenderer* renderer) { return m_LSH.GetLocalStorage(renderer); } vtkSmartPointer mitk::ImageVtkMapper2D::CreateOutlinePolyData(mitk::BaseRenderer* renderer ){ LocalStorage* localStorage = this->GetLocalStorage(renderer); //get the min and max index values of each direction int* extent = localStorage->m_ReslicedImage->GetExtent(); int xMin = extent[0]; int xMax = extent[1]; int yMin = extent[2]; int yMax = extent[3]; int* dims = localStorage->m_ReslicedImage->GetDimensions(); //dimensions of the image int line = dims[0]; //how many pixels per line? int x = xMin; //pixel index x int y = yMin; //pixel index y char* currentPixel; //get the depth for each contour float depth = CalculateLayerDepth(renderer); vtkSmartPointer points = vtkSmartPointer::New(); //the points to draw vtkSmartPointer lines = vtkSmartPointer::New(); //the lines to connect the points // We take the pointer to the first pixel of the image currentPixel = static_cast(localStorage->m_ReslicedImage->GetScalarPointer() ); while (y <= yMax) { //if the current pixel value is set to something if ((currentPixel) && (*currentPixel != 0)) { //check in which direction a line is necessary //a line is added if the neighbor of the current pixel has the value 0 //and if the pixel is located at the edge of the image //if vvvvv not the first line vvvvv if (y > yMin && *(currentPixel-line) == 0) { //x direction - bottom edge of the pixel //add the 2 points vtkIdType p1 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); //add the line between both points lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } //if vvvvv not the last line vvvvv if (y < yMax && *(currentPixel+line) == 0) { //x direction - top edge of the pixel vtkIdType p1 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } //if vvvvv not the first pixel vvvvv if ( (x > xMin || y > yMin) && *(currentPixel-1) == 0) { //y direction - left edge of the pixel vtkIdType p1 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } //if vvvvv not the last pixel vvvvv if ( (y < yMax || (x < xMax) ) && *(currentPixel+1) == 0) { //y direction - right edge of the pixel vtkIdType p1 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } /* now consider pixels at the edge of the image */ //if vvvvv left edge of image vvvvv if (x == xMin) { //draw left edge of the pixel vtkIdType p1 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } //if vvvvv right edge of image vvvvv if (x == xMax) { //draw right edge of the pixel vtkIdType p1 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } //if vvvvv bottom edge of image vvvvv if (y == yMin) { //draw bottom edge of the pixel vtkIdType p1 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } //if vvvvv top edge of image vvvvv if (y == yMax) { //draw top edge of the pixel vtkIdType p1 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } }//end if currentpixel is set x++; if (x > xMax) { //reached end of line x = xMin; y++; } // Increase the pointer-position to the next pixel. // This is safe, as the while-loop and the x-reset logic above makes // sure we do not exceed the bounds of the image currentPixel++; }//end of while // Create a polydata to store everything in vtkSmartPointer polyData = vtkSmartPointer::New(); // Add the points to the dataset polyData->SetPoints(points); // Add the lines to the dataset polyData->SetLines(lines); return polyData; } void mitk::ImageVtkMapper2D::TransformActor(mitk::BaseRenderer* renderer) { LocalStorage *localStorage = m_LSH.GetLocalStorage(renderer); //get the transformation matrix of the reslicer in order to render the slice as axial, coronal or saggital vtkSmartPointer trans = vtkSmartPointer::New(); vtkSmartPointer matrix = localStorage->m_Reslicer->GetResliceAxes(); trans->SetMatrix(matrix); //transform the plane/contour (the actual actor) to the corresponding view (axial, coronal or saggital) localStorage->m_Actor->SetUserTransform(trans); //transform the origin to center based coordinates, because MITK is center based. localStorage->m_Actor->SetPosition( -0.5*localStorage->m_mmPerPixel[0], -0.5*localStorage->m_mmPerPixel[1], 0.0); if ( localStorage->m_Actors->GetNumberOfPaths() > 1 ) { vtkActor* secondaryActor = dynamic_cast( localStorage->m_Actors->GetParts()->GetItemAsObject(0) ); secondaryActor->SetUserTransform(trans); secondaryActor->SetPosition( -0.5*localStorage->m_mmPerPixel[0], -0.5*localStorage->m_mmPerPixel[1], 0.0); } } bool mitk::ImageVtkMapper2D::RenderingGeometryIntersectsImage( const PlaneGeometry* renderingGeometry, SlicedGeometry3D* imageGeometry ) { // if either one of the two geometries is NULL we return true // for safety reasons if ( renderingGeometry == NULL || imageGeometry == NULL ) return true; // get the distance for the first cornerpoint ScalarType initialDistance = renderingGeometry->SignedDistance( imageGeometry->GetCornerPoint( 0 ) ); for( int i=1; i<8; i++ ) { mitk::Point3D cornerPoint = imageGeometry->GetCornerPoint( i ); // get the distance to the other cornerpoints ScalarType distance = renderingGeometry->SignedDistance( cornerPoint ); // if it has not the same signing as the distance of the first point if ( initialDistance * distance < 0 ) { // we have an intersection and return true return true; } } // all distances have the same sign, no intersection and we return false return false; } mitk::ImageVtkMapper2D::LocalStorage::~LocalStorage() { } mitk::ImageVtkMapper2D::LocalStorage::LocalStorage() : m_VectorComponentExtractor(vtkSmartPointer::New()) { m_LevelWindowFilter = vtkSmartPointer::New(); //Do as much actions as possible in here to avoid double executions. m_Plane = vtkSmartPointer::New(); m_Texture = vtkSmartPointer::New().GetPointer(); m_DefaultLookupTable = vtkSmartPointer::New(); m_BinaryLookupTable = vtkSmartPointer::New(); m_ColorLookupTable = vtkSmartPointer::New(); m_Mapper = vtkSmartPointer::New(); m_Actor = vtkSmartPointer::New(); m_Actors = vtkSmartPointer::New(); m_Reslicer = mitk::ExtractSliceFilter::New(); m_TSFilter = vtkSmartPointer::New(); m_OutlinePolyData = vtkSmartPointer::New(); m_ReslicedImage = vtkSmartPointer::New(); m_EmptyPolyData = vtkSmartPointer::New(); //the following actions are always the same and thus can be performed //in the constructor for each image (i.e. the image-corresponding local storage) m_TSFilter->ReleaseDataFlagOn(); mitk::LookupTable::Pointer mitkLUT = mitk::LookupTable::New(); //built a default lookuptable mitkLUT->SetType(mitk::LookupTable::GRAYSCALE); m_DefaultLookupTable = mitkLUT->GetVtkLookupTable(); mitkLUT->SetType(mitk::LookupTable::LEGACY_BINARY); m_BinaryLookupTable = mitkLUT->GetVtkLookupTable(); mitkLUT->SetType(mitk::LookupTable::LEGACY_RAINBOW_COLOR); m_ColorLookupTable = mitkLUT->GetVtkLookupTable(); //do not repeat the texture (the image) m_Texture->RepeatOff(); //set the mapper for the actor m_Actor->SetMapper( m_Mapper ); vtkSmartPointer outlineShadowActor = vtkSmartPointer::New(); outlineShadowActor->SetMapper( m_Mapper ); m_Actors->AddPart( outlineShadowActor ); m_Actors->AddPart( m_Actor ); }