- improve (?) speed render for contours

[clitk.git] / vv / vvSlicer.cxx

diff --git a/vv/vvSlicer.cxx b/vv/vvSlicer.cxx
index a5c2641bd1a8f24c249bcf8fda6376441c5bc961..9a2eec41414a0a8193322717ed71bbf47dc7881d 100644 (file)
--- a/vv/vvSlicer.cxx
+++ b/vv/vvSlicer.cxx
@@ -64,6 +64,7 @@
 #include <vtkCutter.h>
 #include <vtkAssignAttribute.h>
 #include <vtkImageAccumulate.h>
+#include <vtkImageReslice.h>
 
 vtkCxxRevisionMacro(vvSlicer, "DummyRevision");
 vtkStandardNewMacro(vvSlicer);
@@ -87,6 +88,7 @@ vvSlicer::vvSlicer()
   mSubSampling = 5;
   mScale = 1;
   mVFLog = 0;
+  mVFWidth = 1;
 
   std::string text = "F1 = sagital; F2 = coronal; F3 = axial\n";
   text += "F5 = horizontal flip; F6 = vertical flip\n\n";
@@ -140,6 +142,7 @@ vvSlicer::vvSlicer()
   this->WindowLevel->Delete();
   this->WindowLevel = vvImageMapToWLColors::New();
   this->InstallPipeline();
+  
 }
 //------------------------------------------------------------------------------
 
@@ -279,6 +282,26 @@ void vvSlicer::SetImage(vvImage::Pointer image)
     {
       mImage = image;
       this->Superclass::SetInput(image->GetVTKImages()[0]);
+
+      // Prevent crash when reload -> change slice if outside extent
+      int extent[6];
+      this->GetInput()->GetWholeExtent(extent);
+      if (SliceOrientation == 0) {
+        if (Slice >= extent[1]) {
+          Slice = (extent[1]-extent[0])/2.0;
+        }
+      }
+      if (SliceOrientation == 1) {
+        if (Slice >= extent[3]) {
+          Slice = (extent[3]-extent[2])/2.0;
+        }
+      }
+      if (SliceOrientation == 2) {
+        if (Slice >= extent[5]) {
+          Slice = (extent[5]-extent[4])/2.0;
+        }
+      }
+
       this->UpdateDisplayExtent();
       mCurrentTSlice = 0;
       ca->SetText(0,mFileName.c_str());
@@ -421,6 +444,7 @@ void vvSlicer::SetVF(vvImage::Pointer vf)
         mVFActor = vtkActor::New();
       mVFActor->SetMapper(mVFMapper);
       mVFActor->SetPickable(0);
+      mVFActor->GetProperty()->SetLineWidth(mVFWidth);
       this->UpdateDisplayExtent();
       this->GetRenderer()->AddActor(mVFActor);
 
@@ -543,6 +567,17 @@ void vvSlicer::SetVFScale(int scale)
 }
 //------------------------------------------------------------------------------
 
+//------------------------------------------------------------------------------
+void vvSlicer::SetVFWidth(int width)
+{
+  mVFWidth = width;
+  if (mVFActor)
+    mVFActor->GetProperty()->SetLineWidth(mVFWidth);
+  UpdateDisplayExtent();
+  Render();
+}
+//------------------------------------------------------------------------------
+
 
 //------------------------------------------------------------------------------
 void vvSlicer::SetVFLog(int log)
@@ -566,6 +601,9 @@ void vvSlicer::SetTSlice(int t)
     t = 0;
   else if ((unsigned int)t >= mImage->GetVTKImages().size())
     t = mImage->GetVTKImages().size() -1;
+
+  if (mCurrentTSlice == t) return;
+
   mCurrentTSlice = t;
   this->SetInput(mImage->GetVTKImages()[t]);
   if (mVF && mVFActor->GetVisibility())
@@ -635,6 +673,27 @@ void vvSlicer::SetSliceOrientation(int orientation)
 
   SetContourSlice();
 }
+//----------------------------------------------------------------------------
+
+
+//----------------------------------------------------------------------------
+int * vvSlicer::GetExtent() {
+  int *w_ext;
+  if (mUseReducedExtent) {
+    w_ext = mReducedExtent;
+  }
+  else w_ext = GetInput()->GetWholeExtent();
+  return w_ext;
+}
+//----------------------------------------------------------------------------
+
+
+//----------------------------------------------------------------------------
+int vvSlicer::GetOrientation() {
+  return this->SliceOrientation;
+}
+//----------------------------------------------------------------------------
+
 
 //----------------------------------------------------------------------------
 void vvSlicer::UpdateDisplayExtent()
@@ -1152,8 +1211,8 @@ void vvSlicer::GetExtremasAroundMousePointer(double & min, double & max)
     {
       if (i!=SliceOrientation) //SR: assumes that SliceOrientation is valid in ViewCoordinates (???)
         {
-         fLocalExtents[i*2  ] -= 0.2;
-         fLocalExtents[i*2+1] += 0.2;
+             fLocalExtents[i*2  ] -= 0.2;
+             fLocalExtents[i*2+1] += 0.2;
         }
     }
   this->Renderer->ViewToWorld(fLocalExtents[0], fLocalExtents[2], fLocalExtents[4]);
@@ -1170,17 +1229,24 @@ void vvSlicer::GetExtremasAroundMousePointer(double & min, double & max)
       iLocalExtents[i*2+1] = lrint(fLocalExtents[i*2+1]);
 
       if(iLocalExtents[i*2  ]>iLocalExtents[i*2+1])
-       std::swap(iLocalExtents[i*2], iLocalExtents[i*2+1]);
+         std::swap(iLocalExtents[i*2], iLocalExtents[i*2+1]);
     }
-    
+
   vtkSmartPointer<vtkExtractVOI> voiFilter = vtkExtractVOI::New();
   voiFilter->SetInput(this->GetInput());
   voiFilter->SetVOI(iLocalExtents);
+  voiFilter->Update();
+  if (!voiFilter->GetOutput()->GetNumberOfPoints())
+    {
+      min = 0;
+      max = 0;
+      return;
+    }
 
   vtkSmartPointer<vtkImageAccumulate> accFilter = vtkImageAccumulate::New();
   accFilter->SetInput(voiFilter->GetOutput());
   accFilter->Update();
-   
+  
   min = *(accFilter->GetMin());
   max = *(accFilter->GetMax());
 }
@@ -1189,6 +1255,8 @@ void vvSlicer::GetExtremasAroundMousePointer(double & min, double & max)
 //----------------------------------------------------------------------------
 void vvSlicer::Render()
 {
+  //  DD("vvSlicer::Render");
+  // DD(SliceOrientation);
   if (this->GetWindowLevel()->GetLookupTable() && !this->mOverlay && !this->mFusion)
     {
       legend->SetLookupTable(this->GetWindowLevel()->GetLookupTable());
@@ -1253,10 +1321,9 @@ void vvSlicer::Render()
           pixel2 << (int)Y;
           pixel3 << (int)Z;
           temps << mCurrentTSlice;
-          double value = this->GetInput()->GetScalarComponentAsDouble(
-                                                                      (int)X,
-                                                                      (int)Y,
-                                                                      (int)Z,0);
+          double value = this->GetInput()->GetScalarComponentAsDouble(lrint(X),
+                                                                      lrint(Y),
+                                                                      lrint(Z),0);
 
           std::stringstream val;
           val << value;
@@ -1341,7 +1408,11 @@ void vvSlicer::SetSlice(int slice)
   SetContourSlice();
   this->Modified();
   this->UpdateDisplayExtent();
-  this->Render();
+
+  //  DD("SetSlice de slicer = Render");
+
+  // Seems to work without this line
+  //  this->Render();
 }
 //----------------------------------------------------------------------------
 
@@ -1380,3 +1451,10 @@ void vvSlicer::PrintSelf(ostream& os, vtkIndent indent)
   this->Superclass::PrintSelf(os, indent);
 }
 //----------------------------------------------------------------------------
+
+
+   
+   
+
+
+