diff --git a/Modules/Core/include/mitkTimeGeometry.h b/Modules/Core/include/mitkTimeGeometry.h index 42b90c7441..cfbd8c732e 100644 --- a/Modules/Core/include/mitkTimeGeometry.h +++ b/Modules/Core/include/mitkTimeGeometry.h @@ -1,351 +1,351 @@ /*============================================================================ The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center (DKFZ) All rights reserved. Use of this source code is governed by a 3-clause BSD license that can be found in the LICENSE file. ============================================================================*/ #ifndef mitkTimeGeometry_h #define mitkTimeGeometry_h // ITK #include <itkObject.h> // MITK #include "mitkOperationActor.h" #include <MitkCoreExports.h> #include <mitkBaseGeometry.h> #include <mitkCommon.h> namespace mitk { typedef mitk::ScalarType TimePointType; typedef std::size_t TimeStepType; - static const size_t TIMESTEP_INVALID = -1; + static const TimeStepType TIMESTEP_INVALID = -1; /** * \brief Manages the geometries of a data object for each time step * * This class is an abstract class. The concrete implementation * depends on the way the different time steps are managed. * * The time is defined either by a time step or a time point. Time steps * are non-negative integers starting from 0. A time point is a ScalarType value * which gives the passed time since start in ms. Be aware that the starting * point is not fixed so it is possible that the same time point defines two * different time depending on the start time of the used time geometry. * * \addtogroup geometry */ class MITKCORE_EXPORT TimeGeometry : public itk::Object, public OperationActor { protected: TimeGeometry(); ~TimeGeometry() override; /** * \brief Contains a bounding box which includes all time steps */ BoundingBox::Pointer m_BoundingBox; /** * \brief Makes a deep copy of the current object */ LightObject::Pointer InternalClone() const override; public: mitkClassMacroItkParent(TimeGeometry, itk::Object); itkCloneMacro(Self); itkCreateAnotherMacro(Self); /** * \brief Returns the number of time steps. * * Returns the number of time steps for which * geometries are saved. The number of time steps * is also the upper bound of the time steps. The * minimum time steps is always 0. */ virtual TimeStepType CountTimeSteps() const = 0; /** * \brief Returns the first time point for which the object is valid. * * Returns the first valid time point for this geometry. If only one * time steps available it usually goes from -max to +max. The time point * is given in ms. */ virtual TimePointType GetMinimumTimePoint() const = 0; /** * \brief Returns the last time point for which the object is valid * * Gives the last time point for which a valid geometry is saved in * this time geometry. The time point is given in ms. */ virtual TimePointType GetMaximumTimePoint() const = 0; /** * \brief Returns the first time point for which the object is valid. * * Returns the first valid time point for the given TimeStep. The time point * is given in ms. */ virtual TimePointType GetMinimumTimePoint(TimeStepType step) const = 0; /** * \brief Returns the last time point for which the object is valid * * Gives the last time point for the Geometry specified by the given TimeStep. The time point is given in ms. */ virtual TimePointType GetMaximumTimePoint(TimeStepType step) const = 0; /** * \brief Get the time bounds (in ms) */ virtual TimeBounds GetTimeBounds() const = 0; /** * \brief Get the time bounds for the given TimeStep (in ms) */ virtual TimeBounds GetTimeBounds(TimeStepType step) const = 0; /** * \brief Tests if a given time point is covered by this object * * Returns true if a geometry can be returned for the given time * point and falls if not. The time point must be given in ms. */ virtual bool IsValidTimePoint(TimePointType timePoint) const = 0; /** * \brief Test for the given time step if a geometry is available * * Returns true if a geometry is defined for the given time step. * Otherwise false is returned. * The time step is defined as positive number. */ virtual bool IsValidTimeStep(TimeStepType timeStep) const = 0; /** * \brief Converts a time step to a time point * * Converts a time step to a time point in a way that * the new time point indicates the same geometry as the time step. * If the original time steps does not point to a valid geometry, * a time point is calculated that also does not point to a valid * geometry, but no exception is raised. */ virtual TimePointType TimeStepToTimePoint(TimeStepType timeStep) const = 0; /** * \brief Converts a time point to the corresponding time step * * Converts a time point to a time step in a way that * the new time step indicates the same geometry as the time point. * If a negative invalid time point is given always time step 0 is * returned. If an positive invalid time step is given an invalid * time step will be returned. */ virtual TimeStepType TimePointToTimeStep(TimePointType timePoint) const = 0; /** * \brief Returns the geometry of a specific time point * * Returns the geometry which defines the given time point. If * the given time point is invalid an null-pointer is returned. * * The pointer to the returned geometry may point to the saved * geometry but this is not necessarily the case. So a change to * the returned geometry may or may not afflict the geometry for the * time point or all time points depending on the used implementation * of TimeGeometry. */ virtual BaseGeometry::Pointer GetGeometryForTimePoint(TimePointType timePoint) const = 0; /** * \brief Returns the geometry which corresponds to the given time step * * Returns the geometry which defines the given time step. If * the given time step is invalid an null-pointer is returned. * * The pointer to the returned geometry may point to the saved * geometry but this is not necessarily the case. So a change to * the returned geometry may or may not afflict the geometry for the * time step or all time steps depending on the used implementation * of TimeGeometry. */ virtual BaseGeometry::Pointer GetGeometryForTimeStep(TimeStepType timeStep) const = 0; /** * \brief Returns a clone of the geometry of a specific time point * * If an invalid time step is given (e.g. no geometry is defined for this time step) * a null-pointer will be returned. */ virtual BaseGeometry::Pointer GetGeometryCloneForTimeStep(TimeStepType timeStep) const = 0; /** * \brief Sets the geometry for a given time step * * Sets the geometry for the given time steps. This may also afflects other * time steps, depending on the implementation of TimeGeometry. */ virtual void SetTimeStepGeometry(BaseGeometry *geometry, TimeStepType timeStep) = 0; /** * \brief Expands to the given number of time steps * * Expands to the given number of time steps. Each new created time * step is filled with an empty geometry. * Shrinking is not supported! */ virtual void Expand(TimeStepType size) = 0; /** * \brief Replaces the geometry instances with clones ot the passed geometry. * * Replaces the geometries of all time steps with clones of the passed * geometry. Replacement strategy depends on the implementation of TimeGeometry * sub class. * @remark The time points itself stays untouched. Use this method if you want * to change the spatial properties of a TimeGeometry and preserve the time * "grid". */ virtual void ReplaceTimeStepGeometries(const BaseGeometry *geometry) = 0; /** * \brief Tests if all necessary information are set and the object is valid */ virtual bool IsValid() const = 0; /** * \brief Get the position of the corner number \a id (in world coordinates) * * See SetImageGeometry for how a corner is defined on images. */ Point3D GetCornerPointInWorld(int id) const; /** * \brief Get the position of a corner (in world coordinates) * * See SetImageGeometry for how a corner is defined on images. */ Point3D GetCornerPointInWorld(bool xFront = true, bool yFront = true, bool zFront = true) const; /** * \brief Get the center of the bounding-box in mm */ Point3D GetCenterInWorld() const; /** * \brief Get the squared length of the diagonal of the bounding-box in mm */ double GetDiagonalLength2InWorld() const; /** * \brief Get the length of the diagonal of the bounding-box in mm */ double GetDiagonalLengthInWorld() const; /** * \brief Test whether the point \a p (world coordinates in mm) is inside the bounding box */ bool IsWorldPointInside(const mitk::Point3D &p) const; /** * \brief Updates the bounding box to cover the area used in all time steps * * The bounding box is updated by this method. The new bounding box * covers an area which includes all bounding boxes during * all times steps. */ void UpdateBoundingBox(); /** * \brief Returns a bounding box that covers all time steps */ BoundingBox *GetBoundingBoxInWorld() const { return m_BoundingBox; } /** * \brief Returns the world bounds of the object that cover all time steps */ BoundingBox::BoundsArrayType GetBoundsInWorld() const { return m_BoundingBox->GetBounds(); } /** * \brief Returns the Extend of the bounding in the given direction */ ScalarType GetExtentInWorld(unsigned int direction) const; /** * \brief Initializes the TimeGeometry */ virtual void Initialize(); /** * \brief Updates the geometry */ void Update(); /** * \brief Updates everything except the Bounding box * * This class should be overwritten by child classes. * The method is called when Update() is required. */ virtual void UpdateWithoutBoundingBox(){}; /** * \brief Executes the given operation on all time steps */ void ExecuteOperation(Operation *op) override; void PrintSelf(std::ostream &os, itk::Indent indent) const override; }; // end class TimeGeometry /** * @brief Equal A function comparing two instances of TimeGeometry for being identical. * * @ingroup MITKTestingAPI * * The function compares two instances of TimeGeometries in all their aspects. * * The parameter eps is a tolerance value for all methods which are internally used for comparison. * If you want to use different tolerance values for different parts of the geometry, feel free to use * the other comparison methods and write your own implementation of Equal. * * @param rightHandSide Compare this against leftHandSide. * @param leftHandSide Compare this against rightHandSide. * @param eps Tolerance for comparison. You can use mitk::eps in most cases. * @param verbose Flag indicating if the user wants detailed console output or not. * * @return True, if all comparison are true. False in any other case. */ MITKCORE_EXPORT bool Equal(const mitk::TimeGeometry &leftHandSide, const mitk::TimeGeometry &rightHandSide, ScalarType eps, bool verbose); /** * @brief Compare two instances of TimeGeometry * * @ingroup MITKTestingAPI * * The function compares two instances of TimeGeometries in all their aspects. * * The parameter eps is a tolerance value for all methods which are internally used for comparison. * If you want to use different tolerance values for different parts of the geometry, feel free to use * the other comparison methods and write your own implementation of Equal. * * @param leftHandSide Compare this against rightHandSide. * @param rightHandSide Compare this against leftHandSide. * @param coordinateEps Tolerance for comparison of all spatial and temporal aspects (spacing, origin and grid alignment, time points). * You can use mitk::eps in most cases. * @param directionEps Tolerance for comparison of all directional aspects (axis). You can use mitk::eps in most cases. * @param verbose Flag indicating if the user wants detailed console output or not. * * @return True, if all comparisons are true. False in any other case. */ MITKCORE_EXPORT bool Equal(const mitk::TimeGeometry& leftHandSide, const mitk::TimeGeometry& rightHandSide, ScalarType coordinateEps, ScalarType directionEps, bool verbose); } // end namespace MITK #endif diff --git a/Modules/Multilabel/mitkLabelSetImageVtkMapper2D.cpp b/Modules/Multilabel/mitkLabelSetImageVtkMapper2D.cpp index f3165290cc..70893567b1 100644 --- a/Modules/Multilabel/mitkLabelSetImageVtkMapper2D.cpp +++ b/Modules/Multilabel/mitkLabelSetImageVtkMapper2D.cpp @@ -1,762 +1,764 @@ /*============================================================================ The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center (DKFZ) All rights reserved. Use of this source code is governed by a 3-clause BSD license that can be found in the LICENSE file. ============================================================================*/ #include "mitkLabelSetImageVtkMapper2D.h" // MITK #include <mitkAbstractTransformGeometry.h> #include <mitkDataNode.h> #include <mitkImageSliceSelector.h> #include <mitkPlaneGeometry.h> #include <mitkProperties.h> #include <mitkVectorProperty.h> // MITK Rendering #include "vtkNeverTranslucentTexture.h" // VTK #include <vtkCamera.h> #include <vtkImageData.h> #include <vtkImageReslice.h> #include <vtkLookupTable.h> #include <vtkPlaneSource.h> #include <vtkPolyData.h> #include <vtkPolyDataMapper.h> #include <vtkImageMapToColors.h> namespace { itk::ModifiedTimeType PropertyTimeStampIsNewer(const mitk::IPropertyProvider* provider, mitk::BaseRenderer* renderer, const std::string& propName, itk::ModifiedTimeType refMT) { const std::string context = renderer != nullptr ? renderer->GetName() : ""; auto prop = provider->GetConstProperty(propName, context); if (prop != nullptr) { return prop->GetTimeStamp() > refMT; } return false; } } mitk::LabelSetImageVtkMapper2D::LabelSetImageVtkMapper2D() { } mitk::LabelSetImageVtkMapper2D::~LabelSetImageVtkMapper2D() { } vtkProp *mitk::LabelSetImageVtkMapper2D::GetVtkProp(mitk::BaseRenderer *renderer) { // return the actor corresponding to the renderer return m_LSH.GetLocalStorage(renderer)->m_Actors; } mitk::LabelSetImageVtkMapper2D::LocalStorage *mitk::LabelSetImageVtkMapper2D::GetLocalStorage( mitk::BaseRenderer *renderer) { return m_LSH.GetLocalStorage(renderer); } void mitk::LabelSetImageVtkMapper2D::GenerateLookupTable(mitk::BaseRenderer* renderer) { LocalStorage* localStorage = m_LSH.GetLocalStorage(renderer); mitk::DataNode* node = this->GetDataNode(); auto* image = dynamic_cast<mitk::LabelSetImage*>(node->GetData()); assert(image && image->IsInitialized()); localStorage->m_LabelLookupTable = image->GetLookupTable()->Clone(); const auto labelValues = image->GetAllLabelValues(); std::string propertyName = "org.mitk.multilabel.labels.highlighted"; mitk::IntVectorProperty::Pointer prop = dynamic_cast<mitk::IntVectorProperty*>(node->GetNonConstProperty(propertyName)); if (nullptr != prop) { const auto highlightedLabelValues = prop->GetValue(); if (!highlightedLabelValues.empty()) { auto lookUpTable = localStorage->m_LabelLookupTable->GetVtkLookupTable(); auto highlightEnd = highlightedLabelValues.cend(); double rgba[4]; for (const auto& value : labelValues) { lookUpTable->GetTableValue(value, rgba); if (highlightEnd == std::find(highlightedLabelValues.begin(), highlightedLabelValues.end(), value)) { //make all none highlighted values more transparent rgba[3] *= 0.3; } else { if (rgba[3] != 0) { //if highlighted values are visible set them to opaque to pop out rgba[3] = 1.; } else { //if highlighted values are invisible the opacity is increased a bit //to give a visual hint that the are highlighted but also invisible. //e.g. needed to see a difference if you change the visibility of //a highlighted label in the MultiLabelInspector rgba[3] = 0.4; } } lookUpTable->SetTableValue(value, rgba); } localStorage->m_LabelLookupTable->Modified(); } } } namespace { std::vector<mitk::LabelSetImage::GroupIndexType> GetOutdatedGroups(const mitk::LabelSetImageVtkMapper2D::LocalStorage* ls, const mitk::LabelSetImage* seg) { const auto nrOfGroups = seg->GetNumberOfLayers(); std::vector<mitk::LabelSetImage::GroupIndexType> result; for (mitk::LabelSetImage::GroupIndexType groupID = 0; groupID < nrOfGroups; ++groupID) { const auto groupImage = seg->GetGroupImage(groupID); if (groupImage->GetMTime() > ls->m_LastDataUpdateTime || groupImage->GetPipelineMTime() > ls->m_LastDataUpdateTime || ls->m_GroupImageIDs.size() <= groupID || groupImage != ls->m_GroupImageIDs[groupID]) { result.push_back(groupID); } } return result; } } void mitk::LabelSetImageVtkMapper2D::GenerateDataForRenderer(mitk::BaseRenderer *renderer) { LocalStorage *localStorage = m_LSH.GetLocalStorage(renderer); mitk::DataNode *node = this->GetDataNode(); auto *segmentation = dynamic_cast<mitk::LabelSetImage *>(node->GetData()); assert(segmentation && segmentation->IsInitialized()); bool isLookupModified = localStorage->m_LabelLookupTable.IsNull() || (localStorage->m_LabelLookupTable->GetMTime() < segmentation->GetLookupTable()->GetMTime()) || PropertyTimeStampIsNewer(node, renderer, "org.mitk.multilabel.labels.highlighted", localStorage->m_LabelLookupTable->GetMTime()) || PropertyTimeStampIsNewer(node, renderer, "opacity", localStorage->m_LabelLookupTable->GetMTime()); if (isLookupModified) { this->GenerateLookupTable(renderer); } bool isGeometryModified = (localStorage->m_LastDataUpdateTime < renderer->GetCurrentWorldPlaneGeometryUpdateTime()) || (localStorage->m_LastDataUpdateTime < renderer->GetCurrentWorldPlaneGeometry()->GetMTime()); bool rendererGeometryIsValid = true; // check if there is a valid worldGeometry if (isGeometryModified) { const PlaneGeometry* worldGeometry = renderer->GetCurrentWorldPlaneGeometry(); rendererGeometryIsValid = worldGeometry != nullptr && worldGeometry->IsValid() && worldGeometry->HasReferenceGeometry(); isGeometryModified = rendererGeometryIsValid && localStorage->m_WorldPlane.IsNotNull() && !Equal(*worldGeometry, *(localStorage->m_WorldPlane.GetPointer())); localStorage->m_WorldPlane = rendererGeometryIsValid ? worldGeometry->Clone() : nullptr; } - bool hasValidContent = rendererGeometryIsValid && RenderingGeometryIntersectsImage(localStorage->m_WorldPlane, segmentation->GetSlicedGeometry()); + const bool hasValidContent = rendererGeometryIsValid && RenderingGeometryIntersectsImage(localStorage->m_WorldPlane, segmentation->GetSlicedGeometry()); + const bool contentBecameValid = hasValidContent && !localStorage->m_HasValidContent; + const bool contentBecameInvalid = !hasValidContent && localStorage->m_HasValidContent; - if (!hasValidContent && localStorage->m_HasValidContent) + if (contentBecameInvalid) { // set image to nullptr, to clear the texture in 3D, because // the latest image is used there if the plane is out of the geometry // see bug-13275 for (unsigned int lidx = 0; lidx < localStorage->m_NumberOfLayers; ++lidx) { localStorage->m_ReslicedImageVector[lidx] = nullptr; localStorage->m_LayerMapperVector[lidx]->SetInputData(localStorage->m_EmptyPolyData); localStorage->m_OutlineActor->SetVisibility(false); localStorage->m_OutlineShadowActor->SetVisibility(false); } localStorage->m_LastDataUpdateTime.Modified(); } localStorage->m_HasValidContent = hasValidContent; if (!hasValidContent) { // early out if there is no intersection of the current rendering geometry // and the geometry of the image that is to be rendered. return; } std::vector<mitk::LabelSetImage::GroupIndexType> outdatedGroups; auto currentTimestep = this->GetTimestep(); - if (isGeometryModified || (hasValidContent && !localStorage->m_HasValidContent) || localStorage->m_LastTimeStep!= currentTimestep) + if (isGeometryModified || contentBecameValid || localStorage->m_LastTimeStep!= currentTimestep) { //if geometry is outdated or we have valid content again // -> all groups need regeneration outdatedGroups.resize(segmentation->GetNumberOfLayers()); std::iota(outdatedGroups.begin(), outdatedGroups.end(), 0); } else { outdatedGroups = GetOutdatedGroups(localStorage, segmentation); } if (!outdatedGroups.empty()) { this->GenerateImageSlice(renderer, outdatedGroups); } localStorage->m_LastTimeStep = currentTimestep; float opacity = 1.0f; node->GetOpacity(opacity, renderer, "opacity"); if (isLookupModified) { //if lookup table is modified all groups need a new color mapping outdatedGroups.resize(segmentation->GetNumberOfLayers()); std::iota(outdatedGroups.begin(), outdatedGroups.end(), 0); } for (const auto groupID: outdatedGroups) { localStorage->m_LayerImageMapToColors[groupID]->SetLookupTable(localStorage->m_LabelLookupTable->GetVtkLookupTable()); localStorage->m_LayerImageMapToColors[groupID]->SetInputData(localStorage->m_ReslicedImageVector[groupID]); localStorage->m_LayerImageMapToColors[groupID]->Update(); // check for texture interpolation property bool textureInterpolation = false; node->GetBoolProperty("texture interpolation", textureInterpolation, renderer); // set the interpolation modus according to the property localStorage->m_LayerTextureVector[groupID]->SetInterpolate(textureInterpolation); localStorage->m_LayerTextureVector[groupID]->SetInputConnection( localStorage->m_LayerImageMapToColors[groupID]->GetOutputPort()); this->TransformActor(renderer); // set the plane as input for the mapper localStorage->m_LayerMapperVector[groupID]->SetInputConnection(localStorage->m_Plane->GetOutputPort()); // set the texture for the actor localStorage->m_LayerActorVector[groupID]->SetTexture(localStorage->m_LayerTextureVector[groupID]); localStorage->m_LayerActorVector[groupID]->GetProperty()->SetOpacity(opacity); } auto activeLayer = segmentation->GetActiveLayer(); bool activeGroupIsOutdated = std::find(outdatedGroups.begin(), outdatedGroups.end(), activeLayer) != outdatedGroups.end(); if (activeGroupIsOutdated || PropertyTimeStampIsNewer(node, renderer, "opacity", localStorage->m_LastActiveLabelUpdateTime.GetMTime()) || PropertyTimeStampIsNewer(node, renderer, "labelset.contour.active", localStorage->m_LastActiveLabelUpdateTime.GetMTime()) || PropertyTimeStampIsNewer(node, renderer, "labelset.contour.width", localStorage->m_LastActiveLabelUpdateTime.GetMTime()) ) { this->GenerateActiveLabelOutline(renderer); } } void mitk::LabelSetImageVtkMapper2D::GenerateImageSlice(mitk::BaseRenderer* renderer, const std::vector<mitk::LabelSetImage::GroupIndexType>& outdatedGroupIDs) { LocalStorage* localStorage = m_LSH.GetLocalStorage(renderer); mitk::DataNode* node = this->GetDataNode(); auto* segmentation = dynamic_cast<mitk::LabelSetImage*>(node->GetData()); assert(segmentation && segmentation->IsInitialized()); segmentation->Update(); const auto numberOfLayers = segmentation->GetNumberOfLayers(); if (numberOfLayers != localStorage->m_NumberOfLayers) { if (numberOfLayers > localStorage->m_NumberOfLayers) { for (unsigned int lidx = localStorage->m_NumberOfLayers; lidx < numberOfLayers; ++lidx) { localStorage->m_GroupImageIDs.push_back(nullptr); localStorage->m_ReslicedImageVector.push_back(vtkSmartPointer<vtkImageData>::New()); localStorage->m_ReslicerVector.push_back(mitk::ExtractSliceFilter::New()); localStorage->m_LayerTextureVector.push_back(vtkSmartPointer<vtkNeverTranslucentTexture>::New()); localStorage->m_LayerMapperVector.push_back(vtkSmartPointer<vtkPolyDataMapper>::New()); localStorage->m_LayerActorVector.push_back(vtkSmartPointer<vtkActor>::New()); localStorage->m_LayerImageMapToColors.push_back(vtkSmartPointer<vtkImageMapToColors>::New()); // do not repeat the texture (the image) localStorage->m_LayerTextureVector[lidx]->RepeatOff(); // set corresponding mappers for the actors localStorage->m_LayerActorVector[lidx]->SetMapper(localStorage->m_LayerMapperVector[lidx]); } } else { localStorage->m_GroupImageIDs.resize(numberOfLayers); localStorage->m_ReslicedImageVector.resize(numberOfLayers); localStorage->m_ReslicerVector.resize(numberOfLayers); localStorage->m_LayerTextureVector.resize(numberOfLayers); localStorage->m_LayerMapperVector.resize(numberOfLayers); localStorage->m_LayerActorVector.resize(numberOfLayers); localStorage->m_LayerImageMapToColors.resize(numberOfLayers); } localStorage->m_NumberOfLayers = numberOfLayers; localStorage->m_Actors = vtkSmartPointer<vtkPropAssembly>::New(); for (unsigned int lidx = 0; lidx < numberOfLayers; ++lidx) { localStorage->m_Actors->AddPart(localStorage->m_LayerActorVector[lidx]); } localStorage->m_Actors->AddPart(localStorage->m_OutlineShadowActor); localStorage->m_Actors->AddPart(localStorage->m_OutlineActor); } for (const auto groupID : outdatedGroupIDs) { const auto groupImage = segmentation->GetGroupImage(groupID); localStorage->m_GroupImageIDs[groupID] = groupImage; localStorage->m_ReslicerVector[groupID]->SetInput(groupImage); localStorage->m_ReslicerVector[groupID]->SetWorldGeometry(localStorage->m_WorldPlane); localStorage->m_ReslicerVector[groupID]->SetTimeStep(this->GetTimestep()); // set the transformation of the image to adapt reslice axis localStorage->m_ReslicerVector[groupID]->SetResliceTransformByGeometry( groupImage->GetTimeGeometry()->GetGeometryForTimeStep(this->GetTimestep())); // is the geometry of the slice based on the image image or the worldgeometry? bool inPlaneResampleExtentByGeometry = false; node->GetBoolProperty("in plane resample extent by geometry", inPlaneResampleExtentByGeometry, renderer); localStorage->m_ReslicerVector[groupID]->SetInPlaneResampleExtentByGeometry(inPlaneResampleExtentByGeometry); localStorage->m_ReslicerVector[groupID]->SetInterpolationMode(ExtractSliceFilter::RESLICE_NEAREST); localStorage->m_ReslicerVector[groupID]->SetVtkOutputRequest(true); // this is needed when thick mode was enabled before. These variables have to be reset to default values localStorage->m_ReslicerVector[groupID]->SetOutputDimensionality(2); localStorage->m_ReslicerVector[groupID]->SetOutputSpacingZDirection(1.0); localStorage->m_ReslicerVector[groupID]->SetOutputExtentZDirection(0, 0); // Bounds information for reslicing (only required if reference geometry is present) // this used for generating a vtkPLaneSource with the right size double sliceBounds[6]; sliceBounds[0] = 0.0; sliceBounds[1] = 0.0; sliceBounds[2] = 0.0; sliceBounds[3] = 0.0; sliceBounds[4] = 0.0; sliceBounds[5] = 0.0; localStorage->m_ReslicerVector[groupID]->GetClippedPlaneBounds(sliceBounds); // setup the textured plane this->GeneratePlane(renderer, sliceBounds); // get the spacing of the slice localStorage->m_mmPerPixel = localStorage->m_ReslicerVector[groupID]->GetOutputSpacing(); localStorage->m_ReslicerVector[groupID]->Modified(); // start the pipeline with updating the largest possible, needed if the geometry of the image has changed localStorage->m_ReslicerVector[groupID]->UpdateLargestPossibleRegion(); localStorage->m_ReslicedImageVector[groupID] = localStorage->m_ReslicerVector[groupID]->GetVtkOutput(); } localStorage->m_LastDataUpdateTime.Modified(); } void mitk::LabelSetImageVtkMapper2D::GenerateActiveLabelOutline(mitk::BaseRenderer* renderer) { LocalStorage* localStorage = m_LSH.GetLocalStorage(renderer); mitk::DataNode* node = this->GetDataNode(); auto* image = dynamic_cast<mitk::LabelSetImage*>(node->GetData()); int activeLayer = image->GetActiveLayer(); float opacity = 1.0f; node->GetOpacity(opacity, renderer, "opacity"); mitk::Label* activeLabel = image->GetActiveLabel(); bool contourActive = false; node->GetBoolProperty("labelset.contour.active", contourActive, renderer); if (nullptr != activeLabel && contourActive && activeLabel->GetVisible()) { //generate contours/outlines localStorage->m_OutlinePolyData = this->CreateOutlinePolyData(renderer, localStorage->m_ReslicedImageVector[activeLayer], activeLabel->GetValue()); localStorage->m_OutlineActor->SetVisibility(true); localStorage->m_OutlineShadowActor->SetVisibility(true); const mitk::Color& color = activeLabel->GetColor(); localStorage->m_OutlineActor->GetProperty()->SetColor(color.GetRed(), color.GetGreen(), color.GetBlue()); localStorage->m_OutlineShadowActor->GetProperty()->SetColor(0, 0, 0); float contourWidth(2.0); node->GetFloatProperty("labelset.contour.width", contourWidth, renderer); localStorage->m_OutlineActor->GetProperty()->SetLineWidth(contourWidth); localStorage->m_OutlineShadowActor->GetProperty()->SetLineWidth(contourWidth * 1.5); localStorage->m_OutlineActor->GetProperty()->SetOpacity(opacity); localStorage->m_OutlineShadowActor->GetProperty()->SetOpacity(opacity); localStorage->m_OutlineMapper->SetInputData(localStorage->m_OutlinePolyData); } else { localStorage->m_OutlineActor->SetVisibility(false); localStorage->m_OutlineShadowActor->SetVisibility(false); } localStorage->m_LastActiveLabelUpdateTime.Modified(); } bool mitk::LabelSetImageVtkMapper2D::RenderingGeometryIntersectsImage(const PlaneGeometry *renderingGeometry, const BaseGeometry *imageGeometry) const { // if either one of the two geometries is nullptr we return true // for safety reasons if (renderingGeometry == nullptr || imageGeometry == nullptr) 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; } vtkSmartPointer<vtkPolyData> mitk::LabelSetImageVtkMapper2D::CreateOutlinePolyData(mitk::BaseRenderer *renderer, vtkImageData *image, int pixelValue) { LocalStorage *localStorage = this->GetLocalStorage(renderer); // get the min and max index values of each direction int *extent = image->GetExtent(); int xMin = extent[0]; int xMax = extent[1]; int yMin = extent[2]; int yMax = extent[3]; int *dims = image->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 // get the depth for each contour float depth = this->CalculateLayerDepth(renderer); vtkSmartPointer<vtkPoints> points = vtkSmartPointer<vtkPoints>::New(); // the points to draw vtkSmartPointer<vtkCellArray> lines = vtkSmartPointer<vtkCellArray>::New(); // the lines to connect the points // We take the pointer to the first pixel of the image auto *currentPixel = static_cast<mitk::Label::PixelType *>(image->GetScalarPointer()); while (y <= yMax) { // if the current pixel value is set to something if ((currentPixel) && (*currentPixel == pixelValue)) { // 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) != pixelValue) { // 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) != pixelValue) { // 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) != pixelValue) { // 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) != pixelValue) { // 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<vtkPolyData> polyData = vtkSmartPointer<vtkPolyData>::New(); // Add the points to the dataset polyData->SetPoints(points); // Add the lines to the dataset polyData->SetLines(lines); return polyData; } void mitk::LabelSetImageVtkMapper2D::Update(mitk::BaseRenderer *renderer) { bool visible = true; const DataNode *node = this->GetDataNode(); node->GetVisibility(visible, renderer, "visible"); if (!visible) return; auto *image = dynamic_cast<mitk::LabelSetImage *>(node->GetData()); if (image == nullptr || image->IsInitialized() == false) return; // Calculate time step of the image data for the specified renderer (integer value) this->CalculateTimeStep(renderer); // Check if time step is valid const TimeGeometry *dataTimeGeometry = image->GetTimeGeometry(); if ((dataTimeGeometry == nullptr) || (dataTimeGeometry->CountTimeSteps() == 0) || (!dataTimeGeometry->IsValidTimeStep(this->GetTimestep()))) { return; } image->UpdateOutputInformation(); LocalStorage *localStorage = m_LSH.GetLocalStorage(renderer); // check if something important has changed and we need to re-render if (localStorage->m_LabelLookupTable.IsNull() || (localStorage->m_LabelLookupTable->GetMTime() < image->GetLookupTable()->GetMTime()) || (localStorage->m_LastDataUpdateTime < image->GetMTime()) || (localStorage->m_LastDataUpdateTime < image->GetPipelineMTime()) || (localStorage->m_LastDataUpdateTime < renderer->GetCurrentWorldPlaneGeometryUpdateTime()) || (localStorage->m_LastDataUpdateTime < renderer->GetCurrentWorldPlaneGeometry()->GetMTime()) || (localStorage->m_LastPropertyUpdateTime < node->GetPropertyList()->GetMTime()) || (localStorage->m_LastPropertyUpdateTime < node->GetPropertyList(renderer)->GetMTime()) || (localStorage->m_LastPropertyUpdateTime < image->GetPropertyList()->GetMTime())) { this->GenerateDataForRenderer(renderer); localStorage->m_LastPropertyUpdateTime.Modified(); } else if ((localStorage->m_LastPropertyUpdateTime < node->GetPropertyList()->GetMTime()) || (localStorage->m_LastPropertyUpdateTime < node->GetPropertyList(renderer)->GetMTime()) || (localStorage->m_LastPropertyUpdateTime < image->GetPropertyList()->GetMTime())) { this->GenerateDataForRenderer(renderer); localStorage->m_LastPropertyUpdateTime.Modified(); } } // set the two points defining the textured plane according to the dimension and spacing void mitk::LabelSetImageVtkMapper2D::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 sagittal) 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::LabelSetImageVtkMapper2D::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 ODFs in between) if (depth > 0.0f) { depth = 0.0f; MITK_WARN << "Layer value exceeds clipping range. Set to minimum instead."; } return depth; } void mitk::LabelSetImageVtkMapper2D::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 sagittal vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); vtkSmartPointer<vtkMatrix4x4> matrix = localStorage->m_ReslicerVector[0]->GetResliceAxes(); // same for all layers trans->SetMatrix(matrix); for (unsigned int lidx = 0; lidx < localStorage->m_NumberOfLayers; ++lidx) { // transform the plane/contour (the actual actor) to the corresponding view (axial, coronal or sagittal) localStorage->m_LayerActorVector[lidx]->SetUserTransform(trans); // transform the origin to center based coordinates, because MITK is center based. localStorage->m_LayerActorVector[lidx]->SetPosition( -0.5 * localStorage->m_mmPerPixel[0], -0.5 * localStorage->m_mmPerPixel[1], 0.0); } // same for outline actor localStorage->m_OutlineActor->SetUserTransform(trans); localStorage->m_OutlineActor->SetPosition( -0.5 * localStorage->m_mmPerPixel[0], -0.5 * localStorage->m_mmPerPixel[1], 0.0); // same for outline shadow actor localStorage->m_OutlineShadowActor->SetUserTransform(trans); localStorage->m_OutlineShadowActor->SetPosition( -0.5 * localStorage->m_mmPerPixel[0], -0.5 * localStorage->m_mmPerPixel[1], 0.0); } void mitk::LabelSetImageVtkMapper2D::SetDefaultProperties(mitk::DataNode *node, mitk::BaseRenderer *renderer, bool overwrite) { // add/replace the following properties node->SetProperty("opacity", FloatProperty::New(1.0f), renderer); node->SetProperty("binary", BoolProperty::New(false), renderer); node->SetProperty("labelset.contour.active", BoolProperty::New(true), renderer); node->SetProperty("labelset.contour.width", FloatProperty::New(2.0), renderer); Superclass::SetDefaultProperties(node, renderer, overwrite); } mitk::LabelSetImageVtkMapper2D::LocalStorage::~LocalStorage() { } mitk::LabelSetImageVtkMapper2D::LocalStorage::LocalStorage() { // Do as much actions as possible in here to avoid double executions. m_Plane = vtkSmartPointer<vtkPlaneSource>::New(); m_Actors = vtkSmartPointer<vtkPropAssembly>::New(); m_OutlinePolyData = vtkSmartPointer<vtkPolyData>::New(); m_EmptyPolyData = vtkSmartPointer<vtkPolyData>::New(); m_OutlineActor = vtkSmartPointer<vtkActor>::New(); m_OutlineMapper = vtkSmartPointer<vtkPolyDataMapper>::New(); m_OutlineShadowActor = vtkSmartPointer<vtkActor>::New(); m_HasValidContent = false; m_NumberOfLayers = 0; m_mmPerPixel = nullptr; m_LastTimeStep = 0; m_OutlineActor->SetMapper(m_OutlineMapper); m_OutlineShadowActor->SetMapper(m_OutlineMapper); m_OutlineActor->SetVisibility(false); m_OutlineShadowActor->SetVisibility(false); }