From 73e8c4391c32be23032c95a9382c2c55971cd74f Mon Sep 17 00:00:00 2001 From: tbaudier Date: Fri, 6 Jan 2017 15:56:34 +0100 Subject: [PATCH] try to debug camera position bug with large image --- vv/vvSlicer.cxx | 77 +++++++++++++++++++++++++++++++++++ vv/vvSlicerManager.cxx | 9 ++++ vv/vvSlicerManager.h | 1 + vv/vvSlicerManagerCommand.cxx | 4 ++ 4 files changed, 91 insertions(+) diff --git a/vv/vvSlicer.cxx b/vv/vvSlicer.cxx index 7efaf26..d3e056a 100644 --- a/vv/vvSlicer.cxx +++ b/vv/vvSlicer.cxx @@ -1226,11 +1226,80 @@ void vvSlicer::UpdateDisplayExtent() mLandActor->SetPosition(position); } + //std::cout << "1 " << this->Renderer->GetActiveCamera()->GetPosition()[0] << std::endl; // Figure out the correct clipping range if (this->Renderer) { if (this->InteractorStyle && this->InteractorStyle->GetAutoAdjustCameraClippingRange()) { + double scaleCamera = this->Renderer->GetActiveCamera()->GetParallelScale(); + double positionCamera[3], focalCamera[3]; + this->Renderer->GetActiveCamera()->GetPosition(positionCamera); + this->Renderer->GetActiveCamera()->GetFocalPoint(focalCamera); this->Renderer->ResetCameraClippingRange(); + //this->Renderer->ResetCamera(); + this->Renderer->GetActiveCamera()->SetParallelScale(scaleCamera); + + + + + //////////////////////////////// + +double center[3]; +double distance; +double vn[3], *vup; +double bounds[6]; +this->ImageActor->GetBounds(bounds); +this->Renderer->GetActiveCamera()->GetViewPlaneNormal(vn); +// Reset the perspective zoom factors, otherwise subsequent zooms will cause +// the view angle to become very small and cause bad depth sorting. +center[0] = (bounds[0] + bounds[1])/2.0; +center[1] = (bounds[2] + bounds[3])/2.0; +center[2] = (bounds[4] + bounds[5])/2.0; +double w1 = bounds[1] - bounds[0]; +double w2 = bounds[3] - bounds[2]; +double w3 = bounds[5] - bounds[4]; +w1 *= w1; +w2 *= w2; +w3 *= w3; +double radius = w1 + w2 + w3; +// If we have just a single point, pick a radius of 1.0 +radius = (radius==0)?(1.0):(radius); +// compute the radius of the enclosing sphere +radius = sqrt(radius)*0.5; +double angle=vtkMath::RadiansFromDegrees(this->Renderer->GetActiveCamera()->GetViewAngle()); +this->Renderer->ComputeAspect(); +double aspect[2]; +this->Renderer->GetAspect(aspect); +if(aspect[0]>=1.0) // horizontal window, deal with vertical angle|scale +{ +if(this->Renderer->GetActiveCamera()->GetUseHorizontalViewAngle()) +{ +angle=2.0*atan(tan(angle*0.5)/aspect[0]); +} +} +else // vertical window, deal with horizontal angle|scale +{ +if(!this->Renderer->GetActiveCamera()->GetUseHorizontalViewAngle()) +{ +angle=2.0*atan(tan(angle*0.5)*aspect[0]); +} +} +distance =radius/sin(angle*0.5); +//std::cout << "exp " << center[this->SliceOrientation] << " " << distance << " " << vn[this->SliceOrientation] << std::endl; +positionCamera[this->SliceOrientation] = center[this->SliceOrientation]+distance*vn[this->SliceOrientation]; +focalCamera[this->SliceOrientation] = center[this->SliceOrientation]; + + + + + + ////////////////////////////// + + //if (this->SliceOrientation ==2) + // std::cout << positionCamera[0] << " " << positionCamera[1] << " " << positionCamera[2] << std::endl; + this->Renderer->GetActiveCamera()->SetFocalPoint(focalCamera); + this->Renderer->GetActiveCamera()->SetPosition(positionCamera); + } else { vtkCamera *cam = this->Renderer->GetActiveCamera(); if (cam) { @@ -1238,12 +1307,20 @@ void vvSlicer::UpdateDisplayExtent() this->ImageActor->GetBounds(bounds); double spos = (double)bounds[this->SliceOrientation * 2]; double cpos = (double)cam->GetPosition()[this->SliceOrientation]; + if (cpos >= spos) { + double positionCamera[3]; + cam->GetPosition(positionCamera); + positionCamera[this->SliceOrientation] = spos - 1; + cam->SetPosition(positionCamera); + } double range = fabs(spos - cpos); double *spacing = input->GetSpacing(); double sumSpacing = spacing[0] + spacing[1] + spacing[2]; cam->SetClippingRange(range - sumSpacing, range + sumSpacing); } } + //this->Renderer->GetActiveCamera()->Print(std::cout); + //std::cout << "2 " << this->Renderer->GetActiveCamera()->GetPosition()[0] << std::endl; if (mLandActor) { if (mClipBox) { diff --git a/vv/vvSlicerManager.cxx b/vv/vvSlicerManager.cxx index fc6c6f2..cb95d35 100644 --- a/vv/vvSlicerManager.cxx +++ b/vv/vvSlicerManager.cxx @@ -939,6 +939,15 @@ void vvSlicerManager::ResetTransformationToIdentity(const std::string actorType) } //------------------------------------------------------------------------------ +//---------------------------------------------------------------------------- +void vvSlicerManager::ForceUpdateDisplayExtent() +{ + for ( unsigned int i = 0; i < mSlicers.size(); i++) { + mSlicers[i]->ForceUpdateDisplayExtent(); + } +} +//---------------------------------------------------------------------------- + //---------------------------------------------------------------------------- void vvSlicerManager::Render() { diff --git a/vv/vvSlicerManager.h b/vv/vvSlicerManager.h index e80ef48..84bd136 100644 --- a/vv/vvSlicerManager.h +++ b/vv/vvSlicerManager.h @@ -236,6 +236,7 @@ class vvSlicerManager : public QObject { void UpdateLinked(int slicer); void UpdateLinkedNavigation(vvSlicer *slicer, bool bPropagate=false); void ResetTransformationToIdentity(const std::string actorType); + void ForceUpdateDisplayExtent(); void Render(); void AddLink(std::string newId) { diff --git a/vv/vvSlicerManagerCommand.cxx b/vv/vvSlicerManagerCommand.cxx index c645a27..4d2e921 100644 --- a/vv/vvSlicerManagerCommand.cxx +++ b/vv/vvSlicerManagerCommand.cxx @@ -278,6 +278,7 @@ void vvSlicerManagerCommand::Execute(vtkObject *caller, // Mouse release HERE if (event == vtkCommand::EndPickEvent) { + std::cout << "coucou End" << std::endl; // DD(VisibleInWindow); if (VisibleInWindow > -1) this->SM->LeftButtonReleaseEvent(VisibleInWindow); @@ -391,9 +392,12 @@ void vvSlicerManagerCommand::Execute(vtkObject *caller, this->SM->Render(); } if (event == vtkCommand::PickEvent || event == vtkCommand::StartPickEvent) { + std::cout << "coucou Start" << std::endl; this->SM->Picked(); this->SM->UpdateViews(1,VisibleInWindow); this->SM->UpdateLinked(VisibleInWindow); + this->SM->ForceUpdateDisplayExtent(); + this->SM->Render(); this->SM->UpdateInfoOnCursorPosition(VisibleInWindow); } else { this->SM->GetSlicer(VisibleInWindow)->Render(); -- 2.45.1