void mitk::PlaneGeometryDataMapper2D::CreateVtkCrosshair(mitk::BaseRenderer *renderer)
{
bool visible = true;
LocalStorage* ls = m_LSH.GetLocalStorage(renderer);
ls->m_CrosshairActor->SetVisibility(0);
ls->m_ArrowActor->SetVisibility(0);
ls->m_CrosshairHelperLineActor->SetVisibility(0);
GetDataNode()->GetVisibility(visible, renderer, "visible");
if(!visible)
{
return;
}
PlaneGeometryData::Pointer input = const_cast< PlaneGeometryData * >(this->GetInput());
mitk::DataNode* geometryDataNode = renderer->GetCurrentWorldPlaneGeometryNode();
const PlaneGeometryData* rendererWorldPlaneGeometryData = dynamic_cast< PlaneGeometryData * >(geometryDataNode->GetData());
// intersecting with ourself?
if ( input.IsNull() || input.GetPointer() == rendererWorldPlaneGeometryData)
{
return; //nothing to do in this case
}
const PlaneGeometry *inputPlaneGeometry = dynamic_cast< const PlaneGeometry * >( input->GetPlaneGeometry() );
const PlaneGeometry* worldPlaneGeometry = dynamic_cast< const PlaneGeometry* >(
rendererWorldPlaneGeometryData->GetPlaneGeometry() );
if ( worldPlaneGeometry && dynamic_cast<const AbstractTransformGeometry*>(worldPlaneGeometry)==NULL
&& inputPlaneGeometry && dynamic_cast<const AbstractTransformGeometry*>(input->GetPlaneGeometry() )==NULL
&& inputPlaneGeometry->GetReferenceGeometry() )
{
const BaseGeometry *referenceGeometry = inputPlaneGeometry->GetReferenceGeometry();
// calculate intersection of the plane data with the border of the
// world geometry rectangle
Point3D point1, point2;
Line3D crossLine;
// Calculate the intersection line of the input plane with the world plane
if ( worldPlaneGeometry->IntersectionLine( inputPlaneGeometry, crossLine ) )
{
Point3D boundingBoxMin, boundingBoxMax;
boundingBoxMin = referenceGeometry->GetCornerPoint(0);
boundingBoxMax = referenceGeometry->GetCornerPoint(7);
Point3D indexLinePoint;
Vector3D indexLineDirection;
referenceGeometry->WorldToIndex(crossLine.GetPoint(),indexLinePoint);
referenceGeometry->WorldToIndex(crossLine.GetDirection(),indexLineDirection);
referenceGeometry->WorldToIndex(boundingBoxMin,boundingBoxMin);
referenceGeometry->WorldToIndex(boundingBoxMax,boundingBoxMax);
// Then, clip this line with the (transformed) bounding box of the
// reference geometry.
Line3D::BoxLineIntersection(
boundingBoxMin[0], boundingBoxMin[1], boundingBoxMin[2],
boundingBoxMax[0], boundingBoxMax[1], boundingBoxMax[2],
indexLinePoint, indexLineDirection,
point1, point2 );
referenceGeometry->IndexToWorld(point1,point1);
referenceGeometry->IndexToWorld(point2,point2);
crossLine.SetPoints(point1,point2);
vtkSmartPointer<vtkCellArray> lines = vtkSmartPointer<vtkCellArray>::New();
vtkSmartPointer<vtkPoints> points = vtkSmartPointer<vtkPoints>::New();
vtkSmartPointer<vtkPolyData> linesPolyData = vtkSmartPointer<vtkPolyData>::New();
// Now iterate through all other lines displayed in this window and
// calculate the positions of intersection with the line to be
// rendered; these positions will be stored in lineParams to form a
// gap afterwards.
NodesVectorType::iterator otherPlanesIt = m_OtherPlaneGeometries.begin();
NodesVectorType::iterator otherPlanesEnd = m_OtherPlaneGeometries.end();
std::vector<Point3D> intersections;
intersections.push_back(point1);
otherPlanesIt = m_OtherPlaneGeometries.begin();
int gapsize = 32;
this->GetDataNode()->GetPropertyValue( "Crosshair.Gap Size",gapsize, NULL );
ScalarType lineLength = point1.EuclideanDistanceTo(point2);
DisplayGeometry *displayGeometry = renderer->GetDisplayGeometry();
ScalarType gapinmm = gapsize * displayGeometry->GetScaleFactorMMPerDisplayUnit();
float gapSizeParam = gapinmm / lineLength;
while ( otherPlanesIt != otherPlanesEnd )
{
PlaneGeometry *otherPlane = static_cast< PlaneGeometry * >(
static_cast< PlaneGeometryData * >((*otherPlanesIt)->GetData() )->GetPlaneGeometry() );
if (otherPlane != inputPlaneGeometry && otherPlane != worldPlaneGeometry)
{
Point3D planeIntersection;
otherPlane->IntersectionPoint(crossLine,planeIntersection);
ScalarType sectionLength = point1.EuclideanDistanceTo(planeIntersection);
ScalarType lineValue = sectionLength/lineLength;
if(lineValue-gapSizeParam > 0.0)
intersections.push_back(crossLine.GetPoint(lineValue-gapSizeParam));
else intersections.pop_back();
if(lineValue+gapSizeParam < 1.0)
intersections.push_back(crossLine.GetPoint(lineValue+gapSizeParam));
}
++otherPlanesIt;
}
if(intersections.size()%2 == 1)
intersections.push_back(point2);
if(intersections.empty())
{
this->DrawLine(point1,point2,lines,points);
}
else
for(unsigned int i = 0 ; i< intersections.size()-1 ; i+=2)
{
this->DrawLine(intersections[i],intersections[i+1],lines,points);
}
// Add the points to the dataset
linesPolyData->SetPoints(points);
// Add the lines to the dataset
linesPolyData->SetLines(lines);
Vector3D orthogonalVector;
orthogonalVector = inputPlaneGeometry->GetNormal();
worldPlaneGeometry->Project(orthogonalVector,orthogonalVector);
orthogonalVector.Normalize();
// Visualize
ls->m_Mapper->SetInputData(linesPolyData);
ls->m_CrosshairActor->SetMapper(ls->m_Mapper);
// Determine if we should draw the area covered by the thick slicing, default is false.
// This will also show the area of slices that do not have thick slice mode enabled
bool showAreaOfThickSlicing = false;
GetDataNode()->GetBoolProperty( "reslice.thickslices.showarea", showAreaOfThickSlicing );
// determine the pixelSpacing in that direction
double thickSliceDistance = SlicedGeometry3D::CalculateSpacing( referenceGeometry->GetSpacing(), orthogonalVector );
IntProperty *intProperty=0;
if( GetDataNode()->GetProperty( intProperty, "reslice.thickslices.num" ) && intProperty )
thickSliceDistance *= intProperty->GetValue()+0.5;
else
showAreaOfThickSlicing = false;
// not the nicest place to do it, but we have the width of the visible bloc in MM here
// so we store it in this fancy property
GetDataNode()->SetFloatProperty( "reslice.thickslices.sizeinmm", thickSliceDistance*2 );
ls->m_CrosshairActor->SetVisibility(1);
vtkSmartPointer<vtkPolyData> arrowPolyData = vtkSmartPointer<vtkPolyData>::New();
ls->m_Arrowmapper->SetInputData(arrowPolyData);
if(this->m_RenderOrientationArrows)
{
ScalarType triangleSizeMM = 7.0 * displayGeometry->GetScaleFactorMMPerDisplayUnit();
vtkSmartPointer<vtkCellArray> triangles = vtkSmartPointer<vtkCellArray>::New();
vtkSmartPointer<vtkPoints> triPoints = vtkSmartPointer<vtkPoints>::New();
DrawOrientationArrow(triangles,triPoints,triangleSizeMM,orthogonalVector,point1,point2);
DrawOrientationArrow(triangles,triPoints,triangleSizeMM,orthogonalVector,point2,point1);
arrowPolyData->SetPoints(triPoints);
arrowPolyData->SetPolys(triangles);
ls->m_ArrowActor->SetVisibility(1);
}
// Visualize
vtkSmartPointer<vtkPolyData> helperlinesPolyData = vtkSmartPointer<vtkPolyData>::New();
ls->m_HelperLinesmapper->SetInputData(helperlinesPolyData);
if ( showAreaOfThickSlicing )
{
vtkSmartPointer<vtkCellArray> helperlines = vtkSmartPointer<vtkCellArray>::New();
// vectorToHelperLine defines how to reach the helperLine from the mainLine
// got the right direction, so we multiply the width
Vector3D vecToHelperLine = orthogonalVector * thickSliceDistance;
this->DrawLine(point1 - vecToHelperLine, point2 - vecToHelperLine,helperlines,points);
this->DrawLine(point1 + vecToHelperLine, point2 + vecToHelperLine,helperlines,points);
// Add the points to the dataset
helperlinesPolyData->SetPoints(points);
// Add the lines to the dataset
helperlinesPolyData->SetLines(helperlines);
ls->m_CrosshairActor->GetProperty()->SetLineStipplePattern(0xf0f0);
ls->m_CrosshairActor->GetProperty()->SetLineStippleRepeatFactor(1);
ls->m_CrosshairHelperLineActor->SetVisibility(1);
}
}
}
}
void PlaneGeometryDataVtkMapper3D::GenerateDataForRenderer(BaseRenderer* renderer)
{
SetVtkMapperImmediateModeRendering(m_EdgeMapper);
SetVtkMapperImmediateModeRendering(m_BackgroundMapper);
// Remove all actors from the assembly, and re-initialize it with the
// edge actor
m_ImageAssembly->GetParts()->RemoveAllItems();
bool visible = true;
GetDataNode()->GetVisibility(visible, renderer, "visible");
if ( !visible )
{
// visibility has explicitly to be set in the single actors
// due to problems when using cell picking:
// even if the assembly is invisible, the renderer contains
// references to the assemblies parts. During picking the
// visibility of each part is checked, and not only for the
// whole assembly.
m_ImageAssembly->VisibilityOff();
m_EdgeActor->VisibilityOff();
return;
}
// visibility has explicitly to be set in the single actors
// due to problems when using cell picking:
// even if the assembly is invisible, the renderer contains
// references to the assemblies parts. During picking the
// visibility of each part is checked, and not only for the
// whole assembly.
m_ImageAssembly->VisibilityOn();
bool drawEdges = true;
this->GetDataNode()->GetBoolProperty("draw edges", drawEdges, renderer);
m_EdgeActor->SetVisibility(drawEdges);
PlaneGeometryData::Pointer input = const_cast< PlaneGeometryData * >(this->GetInput());
if (input.IsNotNull() && (input->GetPlaneGeometry() != NULL))
{
SmartPointerProperty::Pointer surfacecreatorprop;
surfacecreatorprop = dynamic_cast< SmartPointerProperty * >(GetDataNode()->GetProperty("surfacegeometry", renderer));
if ( (surfacecreatorprop.IsNull())
|| (surfacecreatorprop->GetSmartPointer().IsNull())
|| ((m_SurfaceCreator = dynamic_cast<PlaneGeometryDataToSurfaceFilter*>
(surfacecreatorprop->GetSmartPointer().GetPointer())).IsNull() ) )
{
m_SurfaceCreator->PlaceByGeometryOn();
surfacecreatorprop = SmartPointerProperty::New( m_SurfaceCreator );
GetDataNode()->SetProperty("surfacegeometry", surfacecreatorprop);
}
m_SurfaceCreator->SetInput(input);
int res;
if (GetDataNode()->GetIntProperty("xresolution", res, renderer))
{
m_SurfaceCreator->SetXResolution(res);
}
if (GetDataNode()->GetIntProperty("yresolution", res, renderer))
{
m_SurfaceCreator->SetYResolution(res);
}
double tubeRadius = 1.0; // Radius of tubular edge surrounding plane
// Clip the PlaneGeometry with the reference geometry bounds (if available)
if ( input->GetPlaneGeometry()->HasReferenceGeometry() )
{
BaseGeometry *referenceGeometry =
input->GetPlaneGeometry()->GetReferenceGeometry();
BoundingBox::PointType boundingBoxMin, boundingBoxMax;
boundingBoxMin = referenceGeometry->GetBoundingBox()->GetMinimum();
boundingBoxMax = referenceGeometry->GetBoundingBox()->GetMaximum();
if ( referenceGeometry->GetImageGeometry() )
{
for ( unsigned int i = 0; i < 3; ++i )
{
boundingBoxMin[i] -= 0.5;
boundingBoxMax[i] -= 0.5;
}
}
m_SurfaceCreatorPointsContainer->CreateElementAt( 0 ) = boundingBoxMin;
m_SurfaceCreatorPointsContainer->CreateElementAt( 1 ) = boundingBoxMax;
m_SurfaceCreatorBoundingBox->ComputeBoundingBox();
m_SurfaceCreator->SetBoundingBox( m_SurfaceCreatorBoundingBox );
tubeRadius = referenceGeometry->GetDiagonalLength() / 450.0;
}
// If no reference geometry is available, clip with the current global
// bounds
else if (m_DataStorage.IsNotNull())
{
m_SurfaceCreator->SetBoundingBox(m_DataStorage->ComputeVisibleBoundingBox(NULL, "includeInBoundingBox"));
tubeRadius = sqrt( m_SurfaceCreator->GetBoundingBox()->GetDiagonalLength2() ) / 450.0;
}
// Calculate the surface of the PlaneGeometry
m_SurfaceCreator->Update();
Surface *surface = m_SurfaceCreator->GetOutput();
// Check if there's something to display, otherwise return
if ( (surface->GetVtkPolyData() == 0 )
|| (surface->GetVtkPolyData()->GetNumberOfCells() == 0) )
{
m_ImageAssembly->VisibilityOff();
return;
}
// add a graphical representation of the surface normals if requested
DataNode* node = this->GetDataNode();
bool displayNormals = false;
bool colorTwoSides = false;
bool invertNormals = false;
node->GetBoolProperty("draw normals 3D", displayNormals, renderer);
node->GetBoolProperty("color two sides", colorTwoSides, renderer);
node->GetBoolProperty("invert normals", invertNormals, renderer);
//if we want to draw the display normals or render two sides we have to get the colors
if( displayNormals || colorTwoSides )
{
//get colors
float frontColor[3] = { 0.0, 0.0, 1.0 };
node->GetColor( frontColor, renderer, "front color" );
float backColor[3] = { 1.0, 0.0, 0.0 };
node->GetColor( backColor, renderer, "back color" );
if ( displayNormals )
{
m_NormalsTransformer->SetInputData( surface->GetVtkPolyData() );
m_NormalsTransformer->SetTransform(node->GetVtkTransform(this->GetTimestep()) );
m_FrontHedgeHog->SetInputConnection(m_NormalsTransformer->GetOutputPort() );
m_FrontHedgeHog->SetVectorModeToUseNormal();
m_FrontHedgeHog->SetScaleFactor( invertNormals ? 1.0 : -1.0 );
m_FrontHedgeHog->Update();
m_FrontNormalsActor->GetProperty()->SetColor( frontColor[0], frontColor[1], frontColor[2] );
m_BackHedgeHog->SetInputConnection( m_NormalsTransformer->GetOutputPort() );
m_BackHedgeHog->SetVectorModeToUseNormal();
m_BackHedgeHog->SetScaleFactor( invertNormals ? -1.0 : 1.0 );
m_BackHedgeHog->Update();
m_BackNormalsActor->GetProperty()->SetColor( backColor[0], backColor[1], backColor[2] );
//if there is no actor added yet, add one
if ( !m_NormalsActorAdded )
{
m_Prop3DAssembly->AddPart( m_FrontNormalsActor );
m_Prop3DAssembly->AddPart( m_BackNormalsActor );
m_NormalsActorAdded = true;
}
}
//if we don't want to display normals AND there is an actor added remove the actor
else if ( m_NormalsActorAdded )
{
m_Prop3DAssembly->RemovePart( m_FrontNormalsActor );
m_Prop3DAssembly->RemovePart( m_BackNormalsActor );
m_NormalsActorAdded = false;
}
if ( colorTwoSides )
{
if ( !invertNormals )
{
m_BackgroundActor->GetProperty()->SetColor( backColor[0], backColor[1], backColor[2] );
m_BackgroundActor->GetBackfaceProperty()->SetColor( frontColor[0], frontColor[1], frontColor[2] );
}
else
{
m_BackgroundActor->GetProperty()->SetColor( frontColor[0], frontColor[1], frontColor[2] );
m_BackgroundActor->GetBackfaceProperty()->SetColor( backColor[0], backColor[1], backColor[2] );
}
}
}
// Add black background for all images (which may be transparent)
m_BackgroundMapper->SetInputData( surface->GetVtkPolyData() );
m_ImageAssembly->AddPart( m_BackgroundActor );
LayerSortedActorList layerSortedActors;
// Traverse the data tree to find nodes resliced by ImageMapperGL2D
//use a predicate to get all data nodes which are "images" or inherit from mitk::Image
mitk::TNodePredicateDataType< mitk::Image >::Pointer predicateAllImages = mitk::TNodePredicateDataType< mitk::Image >::New();
mitk::DataStorage::SetOfObjects::ConstPointer all = m_DataStorage->GetSubset(predicateAllImages);
//process all found images
for (mitk::DataStorage::SetOfObjects::ConstIterator it = all->Begin(); it != all->End(); ++it)
{
DataNode *node = it->Value();
if (node != NULL)
this->ProcessNode(node, renderer, surface, layerSortedActors);
}
// Add all image actors to the assembly, sorted according to
// layer property
LayerSortedActorList::iterator actorIt;
for ( actorIt = layerSortedActors.begin(); actorIt != layerSortedActors.end(); ++actorIt )
{
m_ImageAssembly->AddPart( actorIt->second );
}
// Configurate the tube-shaped frame: size according to the surface
// bounds, color as specified in the plane's properties
vtkPolyData *surfacePolyData = surface->GetVtkPolyData();
m_Cleaner->SetInputData(surfacePolyData);
m_EdgeTransformer->SetTransform(this->GetDataNode()->GetVtkTransform(this->GetTimestep()) );
// Adjust the radius according to extent
m_EdgeTuber->SetRadius( tubeRadius );
// Get the plane's color and set the tube properties accordingly
ColorProperty::Pointer colorProperty;
colorProperty = dynamic_cast<ColorProperty*>(this->GetDataNode()->GetProperty( "color" ));
if ( colorProperty.IsNotNull() )
{
const Color& color = colorProperty->GetColor();
m_EdgeActor->GetProperty()->SetColor(color.GetRed(), color.GetGreen(), color.GetBlue());
}
else
{
m_EdgeActor->GetProperty()->SetColor( 1.0, 1.0, 1.0 );
}
m_ImageAssembly->SetUserTransform(this->GetDataNode()->GetVtkTransform(this->GetTimestep()) );
}
VtkRepresentationProperty* representationProperty;
this->GetDataNode()->GetProperty(representationProperty, "material.representation", renderer);
if ( representationProperty != NULL )
m_BackgroundActor->GetProperty()->SetRepresentation( representationProperty->GetVtkRepresentation() );
}
void mitk::PlaneGeometryDataMapper2D::CreateVtkCrosshair(mitk::BaseRenderer *renderer)
{
bool visible = true;
LocalStorage* ls = m_LSH.GetLocalStorage(renderer);
ls->m_CrosshairActor->SetVisibility(0);
ls->m_ArrowActor->SetVisibility(0);
ls->m_CrosshairHelperLineActor->SetVisibility(0);
GetDataNode()->GetVisibility(visible, renderer, "visible");
if(!visible)
{
return;
}
PlaneGeometryData::Pointer input = const_cast< PlaneGeometryData * >(this->GetInput());
mitk::DataNode* geometryDataNode = renderer->GetCurrentWorldPlaneGeometryNode();
const PlaneGeometryData* rendererWorldPlaneGeometryData = dynamic_cast< PlaneGeometryData * >(geometryDataNode->GetData());
// intersecting with ourself?
if ( input.IsNull() || input.GetPointer() == rendererWorldPlaneGeometryData)
{
return; //nothing to do in this case
}
const PlaneGeometry *inputPlaneGeometry = dynamic_cast< const PlaneGeometry * >( input->GetPlaneGeometry() );
const PlaneGeometry* worldPlaneGeometry = dynamic_cast< const PlaneGeometry* >(
rendererWorldPlaneGeometryData->GetPlaneGeometry() );
if ( worldPlaneGeometry && dynamic_cast<const AbstractTransformGeometry*>(worldPlaneGeometry)==NULL
&& inputPlaneGeometry && dynamic_cast<const AbstractTransformGeometry*>(input->GetPlaneGeometry() )==NULL)
{
const BaseGeometry *referenceGeometry = inputPlaneGeometry->GetReferenceGeometry();
// calculate intersection of the plane data with the border of the
// world geometry rectangle
Point3D point1, point2;
Line3D crossLine;
// Calculate the intersection line of the input plane with the world plane
if ( worldPlaneGeometry->IntersectionLine( inputPlaneGeometry, crossLine ) )
{
bool hasIntersection = referenceGeometry ? CutCrossLineWithReferenceGeometry(referenceGeometry, crossLine) :
CutCrossLineWithPlaneGeometry(inputPlaneGeometry, crossLine);
if (!hasIntersection)
{
return;
}
point1 = crossLine.GetPoint1();
point2 = crossLine.GetPoint2();
vtkSmartPointer<vtkCellArray> lines = vtkSmartPointer<vtkCellArray>::New();
vtkSmartPointer<vtkPoints> points = vtkSmartPointer<vtkPoints>::New();
vtkSmartPointer<vtkPolyData> linesPolyData = vtkSmartPointer<vtkPolyData>::New();
// Now iterate through all other lines displayed in this window and
// calculate the positions of intersection with the line to be
// rendered; these positions will be stored in lineParams to form a
// gap afterwards.
NodesVectorType::iterator otherPlanesIt = m_OtherPlaneGeometries.begin();
NodesVectorType::iterator otherPlanesEnd = m_OtherPlaneGeometries.end();
otherPlanesIt = m_OtherPlaneGeometries.begin();
int gapSize = 32;
this->GetDataNode()->GetPropertyValue("Crosshair.Gap Size", gapSize, NULL);
auto intervals = IntervalSet<double>( SimpleInterval<double>(0, 1));
ScalarType lineLength = point1.EuclideanDistanceTo(point2);
ScalarType gapInMM = gapSize * renderer->GetScaleFactorMMPerDisplayUnit();
float gapSizeParam = gapInMM / lineLength;
if( gapSize != 0 )
{
while ( otherPlanesIt != otherPlanesEnd )
{
bool ignorePlane = false;
(*otherPlanesIt)->GetPropertyValue("Crosshair.Ignore", ignorePlane);
if (ignorePlane)
{
++otherPlanesIt;
continue;
}
PlaneGeometry *otherPlaneGeometry = static_cast< PlaneGeometry * >(
static_cast< PlaneGeometryData * >((*otherPlanesIt)->GetData() )->GetPlaneGeometry() );
if (otherPlaneGeometry != inputPlaneGeometry && otherPlaneGeometry != worldPlaneGeometry)
{
double intersectionParam;
if (otherPlaneGeometry->IntersectionPointParam(crossLine, intersectionParam) && intersectionParam > 0 &&
intersectionParam < 1)
{
Point3D point = crossLine.GetPoint() + intersectionParam * crossLine.GetDirection();
bool intersectionPointInsideOtherPlane =
otherPlaneGeometry->HasReferenceGeometry() ?
TestPointInReferenceGeometry(otherPlaneGeometry->GetReferenceGeometry(), point) :
TestPointInPlaneGeometry(otherPlaneGeometry, point);
if (intersectionPointInsideOtherPlane)
{
intervals -= SimpleInterval<double>(intersectionParam - gapSizeParam, intersectionParam + gapSizeParam);
}
}
}
++otherPlanesIt;
}
}
for (const auto& interval : intervals.getIntervals()) {
this->DrawLine(crossLine.GetPoint(interval.GetLowerBoundary()), crossLine.GetPoint(interval.GetUpperBoundary()), lines, points);
}
// Add the points to the dataset
linesPolyData->SetPoints(points);
// Add the lines to the dataset
linesPolyData->SetLines(lines);
Vector3D orthogonalVector;
orthogonalVector = inputPlaneGeometry->GetNormal();
worldPlaneGeometry->Project(orthogonalVector,orthogonalVector);
orthogonalVector.Normalize();
// Visualize
ls->m_Mapper->SetInputData(linesPolyData);
ls->m_CrosshairActor->SetMapper(ls->m_Mapper);
// Determine if we should draw the area covered by the thick slicing, default is false.
// This will also show the area of slices that do not have thick slice mode enabled
bool showAreaOfThickSlicing = false;
GetDataNode()->GetBoolProperty( "reslice.thickslices.showarea", showAreaOfThickSlicing );
// determine the pixelSpacing in that direction
double thickSliceDistance = SlicedGeometry3D::CalculateSpacing(
referenceGeometry ? referenceGeometry->GetSpacing() : inputPlaneGeometry->GetSpacing(), orthogonalVector);
IntProperty *intProperty=0;
if( GetDataNode()->GetProperty( intProperty, "reslice.thickslices.num" ) && intProperty )
thickSliceDistance *= intProperty->GetValue()+0.5;
else
showAreaOfThickSlicing = false;
// not the nicest place to do it, but we have the width of the visible bloc in MM here
// so we store it in this fancy property
GetDataNode()->SetFloatProperty( "reslice.thickslices.sizeinmm", thickSliceDistance*2 );
ls->m_CrosshairActor->SetVisibility(1);
vtkSmartPointer<vtkPolyData> arrowPolyData = vtkSmartPointer<vtkPolyData>::New();
ls->m_Arrowmapper->SetInputData(arrowPolyData);
if(this->m_RenderOrientationArrows)
{
ScalarType triangleSizeMM = 7.0 * renderer->GetScaleFactorMMPerDisplayUnit();
vtkSmartPointer<vtkCellArray> triangles = vtkSmartPointer<vtkCellArray>::New();
vtkSmartPointer<vtkPoints> triPoints = vtkSmartPointer<vtkPoints>::New();
DrawOrientationArrow(triangles,triPoints,triangleSizeMM,orthogonalVector,point1,point2);
DrawOrientationArrow(triangles,triPoints,triangleSizeMM,orthogonalVector,point2,point1);
arrowPolyData->SetPoints(triPoints);
arrowPolyData->SetPolys(triangles);
ls->m_ArrowActor->SetVisibility(1);
}
// Visualize
vtkSmartPointer<vtkPolyData> helperlinesPolyData = vtkSmartPointer<vtkPolyData>::New();
ls->m_HelperLinesmapper->SetInputData(helperlinesPolyData);
if ( showAreaOfThickSlicing )
{
vtkSmartPointer<vtkCellArray> helperlines = vtkSmartPointer<vtkCellArray>::New();
// vectorToHelperLine defines how to reach the helperLine from the mainLine
// got the right direction, so we multiply the width
Vector3D vecToHelperLine = orthogonalVector * thickSliceDistance;
this->DrawLine(point1 - vecToHelperLine, point2 - vecToHelperLine,helperlines,points);
this->DrawLine(point1 + vecToHelperLine, point2 + vecToHelperLine,helperlines,points);
// Add the points to the dataset
helperlinesPolyData->SetPoints(points);
// Add the lines to the dataset
helperlinesPolyData->SetLines(helperlines);
ls->m_CrosshairActor->GetProperty()->SetLineStipplePattern(0xf0f0);
ls->m_CrosshairActor->GetProperty()->SetLineStippleRepeatFactor(1);
ls->m_CrosshairHelperLineActor->SetVisibility(1);
}
}
}
}