X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=Applications%2FvtkMyInteractorStyleTrackballCameraOpenHeartYZ.cxx;fp=Applications%2FvtkMyInteractorStyleTrackballCameraOpenHeartYZ.cxx;h=d2f7a6229846fa6f2a260352c4d3c0cb03638050;hb=e989157c905531306964b1f4d2d70991029aaca2;hp=0000000000000000000000000000000000000000;hpb=a29e955d81fcaf6b37db4a5cb168549f96f1fff3;p=openheart.git

diff --git a/Applications/vtkMyInteractorStyleTrackballCameraOpenHeartYZ.cxx b/Applications/vtkMyInteractorStyleTrackballCameraOpenHeartYZ.cxx
new file mode 100644
index 0000000..d2f7a62
--- /dev/null
+++ b/Applications/vtkMyInteractorStyleTrackballCameraOpenHeartYZ.cxx
@@ -0,0 +1,184 @@
+/**
+* Progam made by Olivier Bernard, associate professor
+* at Institut National des Sciences Appliquees (INSA) Lyon,
+* CREATIS-LRMN Laboratory,
+* 69621 Villeurbanne, France,
+* 20th of May 2014
+*/
+
+#include <vtkRenderer.h>
+#include <vtkRenderWindow.h>
+#include "vtkMyInteractorStyleTrackballCameraOpenHeartYZ.h"
+
+
+using namespace std;
+
+
+void vtkMyInteractorStyleTrackballCameraOpenHeartYZ::OnMouseWheelForward()
+{
+
+    /// Get picker position
+    double pos[3];
+    this->GetPickerPosition(pos);
+
+    /// Go back to the initial coordinate system before reslicing
+    double posXYZ[3];
+    for (int i=0; i<3; i++)
+        posXYZ[i] = pos[i];
+    this->window->ComputePointBeforeRotation(posXYZ);
+
+    /// Update Slice image
+    if ( this->IsInside(posXYZ) )
+    {
+        /// Compute corresponding step
+        if ( (posXYZ[1] >= this->Limits[0] ) &&
+             (posXYZ[1] <= this->Limits[1] ) &&
+             (posXYZ[2] >= this->Limits[2] ) &&
+             (posXYZ[2] <= this->Limits[3] ) )
+            this->Step = 1;
+        else
+            this->Step = 5;
+
+        /// Compute new slice position
+        double limit = this->Bounds[1];
+        posXYZ[0] += this->Step * this->window->GetCurrentImageData()->GetSpacing()[0];
+        if ( posXYZ[0] <= limit )
+            this->window->GetRendererProperties()->position[0] += this->Step * this->window->GetCurrentImageData()->GetSpacing()[0];
+
+        /// Update Slice text
+        if ( this->window->GetFlagDisplayText() )
+        {
+            int slice = (int)( (this->window->GetRendererProperties()->position[0] -
+                                this->window->GetCurrentImageData()->GetOrigin()[0]) /
+                                this->window->GetCurrentImageData()->GetSpacing()[0] + 0.5f );
+            QString strSlice;
+            strSlice.sprintf("Slice: %d",slice);
+            this->window->GetRendererProperties()->TextMapperSlice->SetInput(strSlice.toStdString().c_str());
+        }
+
+        /// Update renderers
+        this->window->GetRendererProperties()->xIPW->SetSlicePosition(this->window->GetRendererProperties()->position[0]);
+        this->window->GetRendererProperties()->yzIPW->SetSlicePosition(this->window->GetRendererProperties()->position[0]);
+        this->window->GetRenderWindow()->Render();
+        this->window->GetYZRenderer()->ResetCameraClippingRange();
+        this->window->GetRenderWindowYZ()->Render();
+    }
+
+}
+
+
+void vtkMyInteractorStyleTrackballCameraOpenHeartYZ::OnMouseWheelBackward()
+{
+
+    /// Get picker position
+    double pos[3];
+    this->GetPickerPosition(pos);
+
+    /// Go back to the initial coordinate system before reslicing
+    double posXYZ[3];
+    for (int i=0; i<3; i++)
+        posXYZ[i] = pos[i];
+    this->window->ComputePointBeforeRotation(posXYZ);
+
+    /// Update Slice image
+    if ( this->IsInside(posXYZ) )
+    {
+        /// Compute corresponding step
+        if ( (posXYZ[1] >= this->Limits[0] ) &&
+             (posXYZ[1] <= this->Limits[1] ) &&
+             (posXYZ[2] >= this->Limits[2] ) &&
+             (posXYZ[2] <= this->Limits[3] ) )
+            this->Step = 1;
+        else
+            this->Step = 5;
+
+        /// Compute new slice position
+        posXYZ[0] -= this->Step * this->window->GetCurrentImageData()->GetSpacing()[0];
+        if ( posXYZ[0] >= 0 )
+            this->window->GetRendererProperties()->position[0] -= this->Step * this->window->GetCurrentImageData()->GetSpacing()[0];
+
+        /// Update Slice text
+        if ( this->window->GetFlagDisplayText() )
+        {
+            int slice = (int)( (this->window->GetRendererProperties()->position[0] -
+                                this->window->GetCurrentImageData()->GetOrigin()[0]) /
+                                this->window->GetCurrentImageData()->GetSpacing()[0] + 0.5f );
+            QString strSlice;
+            strSlice.sprintf("Slice: %d",slice);
+            this->window->GetRendererProperties()->TextMapperSlice->SetInput(strSlice.toStdString().c_str());
+        }
+
+        /// Update renderers
+        this->window->GetRendererProperties()->xIPW->SetSlicePosition(this->window->GetRendererProperties()->position[0]);
+        this->window->GetRendererProperties()->yzIPW->SetSlicePosition(this->window->GetRendererProperties()->position[0]);
+        this->window->GetRenderWindow()->Render();
+        this->window->GetYZRenderer()->ResetCameraClippingRange();
+        this->window->GetRenderWindowYZ()->Render();
+    }
+
+}
+
+
+void vtkMyInteractorStyleTrackballCameraOpenHeartYZ::OnEnter()
+{
+
+    if ( !this->FlagFirstTime )
+    {
+
+        /// Set flag to 1 to never enter again in this part of the code
+        this->FlagFirstTime = 1;
+        double extend[6];
+        this->window->GetCurrentImageData()->GetWholeBoundingBox(extend);
+
+        /// Save the boundary of the volume in world coordinates
+        this->Bounds[0] = this->window->GetCurrentImageData()->GetExtent()[0] * this->window->GetCurrentImageData()->GetSpacing()[0] +
+                this->window->GetCurrentImageData()->GetOrigin()[0];
+        this->Bounds[1] = this->window->GetCurrentImageData()->GetExtent()[1] * this->window->GetCurrentImageData()->GetSpacing()[0] +
+                this->window->GetCurrentImageData()->GetOrigin()[0];
+        this->Bounds[2] = this->window->GetCurrentImageData()->GetExtent()[2] * this->window->GetCurrentImageData()->GetSpacing()[1] +
+                this->window->GetCurrentImageData()->GetOrigin()[1];
+        this->Bounds[3] = this->window->GetCurrentImageData()->GetExtent()[3] * this->window->GetCurrentImageData()->GetSpacing()[1] +
+                this->window->GetCurrentImageData()->GetOrigin()[1];
+        this->Bounds[4] = this->window->GetCurrentImageData()->GetExtent()[4] * this->window->GetCurrentImageData()->GetSpacing()[2] +
+                this->window->GetCurrentImageData()->GetOrigin()[2];
+        this->Bounds[5] = this->window->GetCurrentImageData()->GetExtent()[5] * this->window->GetCurrentImageData()->GetSpacing()[2] +
+                this->window->GetCurrentImageData()->GetOrigin()[2];
+
+        /// Save the limit of the box to increase the scolling effect
+        this->Limits[0] = (this->Bounds[3] - this->Bounds[2]) * this->PadBound;
+        this->Limits[1] = this->Bounds[3] - (this->Bounds[3] - this->Bounds[2]) * this->PadBound;
+        this->Limits[2] = (this->Bounds[5] - this->Bounds[4]) * this->PadBound;
+        this->Limits[3] = this->Bounds[5] - (this->Bounds[5] - this->Bounds[4]) * this->PadBound;
+
+    }
+
+    vtkInteractorStyleTrackballCamera::OnEnter();
+
+}
+
+
+void vtkMyInteractorStyleTrackballCameraOpenHeartYZ::OnLeave()
+{
+    this->Step = 1;
+    vtkInteractorStyleTrackballCamera::OnLeave();
+}
+
+
+void vtkMyInteractorStyleTrackballCameraOpenHeartYZ::GetPickerPosition(double *pos)
+{
+    int X = this->Interactor->GetEventPosition()[0];
+    int Y = this->Interactor->GetEventPosition()[1];
+    this->window->GetPickerYZ()->Pick(X,Y,0.0,this->window->GetYZRenderer());
+    this->window->GetPickerYZ()->GetPickPosition(pos);
+}
+
+
+bool vtkMyInteractorStyleTrackballCameraOpenHeartYZ::IsInside(double *pos)
+{
+    if ( (pos[0]>=this->Bounds[0]) && (pos[0]<=this->Bounds[1]) &&
+         (pos[1]>=this->Bounds[2]) && (pos[1]<=this->Bounds[3]) &&
+         (pos[2]>=this->Bounds[4]) && (pos[2]<=this->Bounds[5]) )
+        return true;
+    else
+        return false;
+}