void Frustum::ProjectToAxis(const vec &direction, float &outMin, float &outMax) const
{
vec corners[8];
GetCornerPoints(corners);
outMax = -FLOAT_INF;
outMin = FLOAT_INF;
for(int i = 0; i < 8; ++i)
{
float d = Dot(direction, corners[i]);
outMax = Max(outMax, d);
outMin = Min(outMin, d);
}
}
vec Frustum::ExtremePoint(const vec &direction, float &projectionDistance) const
{
vec corners[8];
GetCornerPoints(corners);
vec mostExtreme = vec::nan;
projectionDistance = -FLOAT_INF;
for(int i = 0; i < 8; ++i)
{
float d = Dot(direction, corners[i]);
if (d > projectionDistance)
{
projectionDistance = d;
mostExtreme = corners[i];
}
}
return mostExtreme;
}
void mitk::BoundingShapeVtkMapper2D::GenerateDataForRenderer(BaseRenderer *renderer)
{
const DataNode::Pointer node = GetDataNode();
if (node == nullptr)
return;
LocalStorage *localStorage = m_Impl->LocalStorageHandler.GetLocalStorage(renderer);
// either update if GeometryData was modified or if the zooming was performed
bool needGenerateData = localStorage->IsUpdateRequired(
renderer, this, GetDataNode()); // true; // localStorage->GetLastGenerateDataTime() < node->GetMTime() ||
// localStorage->GetLastGenerateDataTime() < node->GetData()->GetMTime();
// //localStorage->IsGenerateDataRequired(renderer, this, GetDataNode());
double scale = renderer->GetScaleFactorMMPerDisplayUnit();
if (std::abs(scale - localStorage->m_ZoomFactor) > 0.001)
{
localStorage->m_ZoomFactor = scale;
needGenerateData = true;
}
if (needGenerateData)
{
bool visible = true;
GetDataNode()->GetVisibility(visible, renderer, "visible");
if (!visible)
{
localStorage->m_Actor->VisibilityOff();
return;
}
GeometryData::Pointer shape = static_cast<GeometryData *>(node->GetData());
if (shape == nullptr)
return;
mitk::BaseGeometry::Pointer geometry = shape->GetGeometry();
mitk::Vector3D spacing = geometry->GetSpacing();
// calculate cornerpoints and extent from geometry with visualization offset
std::vector<Point3D> cornerPoints = GetCornerPoints(geometry, true);
Point3D p0 = cornerPoints[0];
Point3D p1 = cornerPoints[1];
Point3D p2 = cornerPoints[2];
Point3D p4 = cornerPoints[4];
Point3D extent;
extent[0] =
sqrt((p0[0] - p4[0]) * (p0[0] - p4[0]) + (p0[1] - p4[1]) * (p0[1] - p4[1]) + (p0[2] - p4[2]) * (p0[2] - p4[2]));
extent[1] =
sqrt((p0[0] - p2[0]) * (p0[0] - p2[0]) + (p0[1] - p2[1]) * (p0[1] - p2[1]) + (p0[2] - p2[2]) * (p0[2] - p2[2]));
extent[2] =
sqrt((p0[0] - p1[0]) * (p0[0] - p1[0]) + (p0[1] - p1[1]) * (p0[1] - p1[1]) + (p0[2] - p1[2]) * (p0[2] - p1[2]));
// calculate center based on half way of the distance between two opposing cornerpoints
mitk::Point3D center = CalcAvgPoint(cornerPoints[7], cornerPoints[0]);
if (m_Impl->HandlePropertyList.size() == 6)
{
// set handle positions
Point3D pointLeft = CalcAvgPoint(cornerPoints[5], cornerPoints[6]);
Point3D pointRight = CalcAvgPoint(cornerPoints[1], cornerPoints[2]);
Point3D pointTop = CalcAvgPoint(cornerPoints[0], cornerPoints[6]);
Point3D pointBottom = CalcAvgPoint(cornerPoints[7], cornerPoints[1]);
Point3D pointFront = CalcAvgPoint(cornerPoints[2], cornerPoints[7]);
Point3D pointBack = CalcAvgPoint(cornerPoints[4], cornerPoints[1]);
m_Impl->HandlePropertyList[0].SetPosition(pointLeft);
m_Impl->HandlePropertyList[1].SetPosition(pointRight);
m_Impl->HandlePropertyList[2].SetPosition(pointTop);
m_Impl->HandlePropertyList[3].SetPosition(pointBottom);
m_Impl->HandlePropertyList[4].SetPosition(pointFront);
m_Impl->HandlePropertyList[5].SetPosition(pointBack);
}
// caculate face normals
double result0[3], result1[3], result2[3];
double a[3], b[3];
a[0] = (cornerPoints[5][0] - cornerPoints[6][0]);
a[1] = (cornerPoints[5][1] - cornerPoints[6][1]);
a[2] = (cornerPoints[5][2] - cornerPoints[6][2]);
b[0] = (cornerPoints[5][0] - cornerPoints[4][0]);
b[1] = (cornerPoints[5][1] - cornerPoints[4][1]);
b[2] = (cornerPoints[5][2] - cornerPoints[4][2]);
vtkMath::Cross(a, b, result0);
a[0] = (cornerPoints[0][0] - cornerPoints[6][0]);
a[1] = (cornerPoints[0][1] - cornerPoints[6][1]);
a[2] = (cornerPoints[0][2] - cornerPoints[6][2]);
b[0] = (cornerPoints[0][0] - cornerPoints[2][0]);
b[1] = (cornerPoints[0][1] - cornerPoints[2][1]);
b[2] = (cornerPoints[0][2] - cornerPoints[2][2]);
vtkMath::Cross(a, b, result1);
a[0] = (cornerPoints[2][0] - cornerPoints[7][0]);
a[1] = (cornerPoints[2][1] - cornerPoints[7][1]);
a[2] = (cornerPoints[2][2] - cornerPoints[7][2]);
b[0] = (cornerPoints[2][0] - cornerPoints[6][0]);
b[1] = (cornerPoints[2][1] - cornerPoints[6][1]);
b[2] = (cornerPoints[2][2] - cornerPoints[6][2]);
vtkMath::Cross(a, b, result2);
vtkMath::Normalize(result0);
vtkMath::Normalize(result1);
vtkMath::Normalize(result2);
// create cube for rendering bounding box
auto cube = vtkCubeSource::New();
cube->SetXLength(extent[0] / spacing[0]);
cube->SetYLength(extent[1] / spacing[1]);
cube->SetZLength(extent[2] / spacing[2]);
// calculates translation based on offset+extent not on the transformation matrix
vtkSmartPointer<vtkMatrix4x4> imageTransform = geometry->GetVtkTransform()->GetMatrix();
auto translation = vtkSmartPointer<vtkTransform>::New();
translation->Translate(center[0] - imageTransform->GetElement(0, 3),
center[1] - imageTransform->GetElement(1, 3),
center[2] - imageTransform->GetElement(2, 3));
auto transform = vtkSmartPointer<vtkTransform>::New();
transform->SetMatrix(imageTransform);
transform->PostMultiply();
transform->Concatenate(translation);
transform->Update();
cube->Update();
auto transformFilter = vtkSmartPointer<vtkTransformFilter>::New();
transformFilter->SetInputData(cube->GetOutput());
transformFilter->SetTransform(transform);
transformFilter->Update();
cube->Delete();
vtkSmartPointer<vtkPolyData> polydata = transformFilter->GetPolyDataOutput();
if (polydata == nullptr || (polydata->GetNumberOfPoints() < 1))
{
localStorage->m_Actor->VisibilityOff();
localStorage->m_HandleActor->VisibilityOff();
localStorage->m_SelectedHandleActor->VisibilityOff();
return;
}
// estimate current image plane to decide whether the cube is visible or not
const PlaneGeometry *planeGeometry = renderer->GetCurrentWorldPlaneGeometry();
if ((planeGeometry == nullptr) || (!planeGeometry->IsValid()) || (!planeGeometry->HasReferenceGeometry()))
return;
double origin[3];
origin[0] = planeGeometry->GetOrigin()[0];
origin[1] = planeGeometry->GetOrigin()[1];
origin[2] = planeGeometry->GetOrigin()[2];
double normal[3];
normal[0] = planeGeometry->GetNormal()[0];
normal[1] = planeGeometry->GetNormal()[1];
normal[2] = planeGeometry->GetNormal()[2];
// MITK_INFO << "normal1 " << normal[0] << " " << normal[1] << " " << normal[2];
localStorage->m_CuttingPlane->SetOrigin(origin);
localStorage->m_CuttingPlane->SetNormal(normal);
// add cube polydata to local storage
localStorage->m_Cutter->SetInputData(polydata);
localStorage->m_Cutter->SetGenerateCutScalars(1);
localStorage->m_Cutter->Update();
if (localStorage->m_PropAssembly->GetParts()->IsItemPresent(localStorage->m_HandleActor))
localStorage->m_PropAssembly->RemovePart(localStorage->m_HandleActor);
if (localStorage->m_PropAssembly->GetParts()->IsItemPresent(localStorage->m_Actor))
localStorage->m_PropAssembly->RemovePart(localStorage->m_Actor);
vtkCoordinate *tcoord = vtkCoordinate::New();
tcoord->SetCoordinateSystemToWorld();
localStorage->m_HandleMapper->SetTransformCoordinate(tcoord);
tcoord->Delete();
if (localStorage->m_Cutter->GetOutput()->GetNumberOfPoints() > 0) // if plane is visible in the renderwindow
{
mitk::DoubleProperty::Pointer handleSizeProperty =
dynamic_cast<mitk::DoubleProperty *>(this->GetDataNode()->GetProperty("Bounding Shape.Handle Size Factor"));
ScalarType initialHandleSize;
if (handleSizeProperty != nullptr)
initialHandleSize = handleSizeProperty->GetValue();
else
initialHandleSize = 1.0 / 40.0;
mitk::Point2D displaySize = renderer->GetDisplaySizeInMM();
double handleSize = ((displaySize[0] + displaySize[1]) / 2.0) * initialHandleSize;
auto appendPoly = vtkSmartPointer<vtkAppendPolyData>::New();
unsigned int i = 0;
// add handles and their assigned properties to the local storage
mitk::IntProperty::Pointer activeHandleId =
dynamic_cast<mitk::IntProperty *>(node->GetProperty("Bounding Shape.Active Handle ID"));
bool visible = false;
bool selected = false;
for (auto handle : localStorage->m_Handles)
{
Point3D handleCenter = m_Impl->HandlePropertyList[i].GetPosition();
handle->SetRadius(handleSize);
handle->SetCenter(handleCenter[0], handleCenter[1], handleCenter[2]);
vtkMath::Normalize(normal);
double angle = vtkMath::DegreesFromRadians(acos(vtkMath::Dot(normal, result0)));
double angle1 = vtkMath::DegreesFromRadians(acos(vtkMath::Dot(normal, result1)));
double angle2 = vtkMath::DegreesFromRadians(acos(vtkMath::Dot(normal, result2)));
// show handles only if the corresponding face is aligned to the render window
if ((((std::abs(angle - 0) < 0.001) || (std::abs(angle - 180) < 0.001)) && i != 0 && i != 1) ||
(((std::abs(angle1 - 0) < 0.001) || (std::abs(angle1 - 180) < 0.001)) && i != 2 && i != 3) ||
(((std::abs(angle2 - 0) < 0.001) || (std::abs(angle2 - 180) < 0.001)) && i != 4 && i != 5))
{
if (activeHandleId == nullptr)
{
appendPoly->AddInputConnection(handle->GetOutputPort());
}
else
{
if ((activeHandleId->GetValue() != m_Impl->HandlePropertyList[i].GetIndex()))
{
appendPoly->AddInputConnection(handle->GetOutputPort());
}
else
{
handle->Update();
localStorage->m_SelectedHandleMapper->SetInputData(handle->GetOutput());
localStorage->m_SelectedHandleActor->VisibilityOn();
selected = true;
}
}
visible = true;
}
i++;
}
if (visible)
{
appendPoly->Update();
}
else
{
localStorage->m_HandleActor->VisibilityOff();
localStorage->m_SelectedHandleActor->VisibilityOff();
}
auto stripper = vtkSmartPointer<vtkStripper>::New();
stripper->SetInputData(localStorage->m_Cutter->GetOutput());
stripper->Update();
auto cutPolyData = vtkSmartPointer<vtkPolyData>::New();
cutPolyData->SetPoints(stripper->GetOutput()->GetPoints());
cutPolyData->SetPolys(stripper->GetOutput()->GetLines());
localStorage->m_Actor->GetMapper()->SetInputDataObject(cutPolyData);
mitk::ColorProperty::Pointer selectedColor = dynamic_cast<mitk::ColorProperty *>(node->GetProperty("color"));
if (selectedColor != nullptr)
{
mitk::Color color = selectedColor->GetColor();
localStorage->m_Actor->GetProperty()->SetColor(color[0], color[1], color[2]);
}
if (activeHandleId != nullptr)
{
localStorage->m_HandleActor->GetProperty()->SetColor(1, 0, 0);
}
else
{
localStorage->m_HandleActor->GetProperty()->SetColor(1, 1, 1);
}
localStorage->m_HandleActor->GetMapper()->SetInputDataObject(appendPoly->GetOutput());
// add parts to the overall storage
localStorage->m_PropAssembly->AddPart(localStorage->m_Actor);
localStorage->m_PropAssembly->AddPart(localStorage->m_HandleActor);
if (selected)
{
localStorage->m_PropAssembly->AddPart(localStorage->m_SelectedHandleActor);
}
localStorage->m_PropAssembly->VisibilityOn();
localStorage->m_Actor->VisibilityOn();
localStorage->m_HandleActor->VisibilityOn();
}
else
{
localStorage->m_PropAssembly->VisibilityOff();
localStorage->m_Actor->VisibilityOff();
localStorage->m_HandleActor->VisibilityOff();
localStorage->m_SelectedHandleActor->VisibilityOff();
localStorage->UpdateGenerateDataTime();
}
localStorage->UpdateGenerateDataTime();
}
}
