X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=vv%2FvvImageContour.cxx;h=fa22d45e98d60c234aa825f10e36979967dfa837;hb=2dad4a649b5e61f450b47047f379fcc351b50215;hp=a98247c5123f3e4c2b69d992a88686d026155efd;hpb=4ea2c946973c570cbe540a27cf44d6acdf44867c;p=clitk.git

diff --git a/vv/vvImageContour.cxx b/vv/vvImageContour.cxx
index a98247c..fa22d45 100644
--- a/vv/vvImageContour.cxx
+++ b/vv/vvImageContour.cxx
@@ -14,9 +14,10 @@
 
   - BSD        See included LICENSE.txt file
   - CeCILL-B   http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
-======================================================================-====*/
+  ======================================================================-====*/
 
 #include "vvImageContour.h"
+#include "vvImage.h"
 #include <vtkImageActor.h>
 #include <vtkCamera.h>
 #include <vtkRenderer.h>
@@ -30,6 +31,8 @@
 vvImageContour::vvImageContour() {
   mTSlice = -1;
   mSlice = 0;
+  mHiddenImageIsUsed = false;
+  mDisplayModeIsPreserveMemory = true;
 }
 //------------------------------------------------------------------------------
 
@@ -53,9 +56,11 @@ void vvImageContour::setSlicer(vvSlicer * slicer) {
   for (unsigned int numImage = 0; numImage < mSlicer->GetImage()->GetVTKImages().size(); numImage++) {
     vtkImageClip * mClipper = vtkImageClip::New();
     vtkMarchingSquares * mSquares = vtkMarchingSquares::New();
-    vtkPolyDataMapper * mSquaresMapper = vtkPolyDataMapper::New();
+    //    vtkPolyDataMapper * mSquaresMapper = vtkPolyDataMapper::New();
     vtkActor * mSquaresActor = vtkActor::New();
 
+    createNewActor(&mSquaresActor, &mSquares, &mClipper);
+    /*
     mClipper->SetInput(mSlicer->GetImage()->GetVTKImages()[numImage]);
     mSquares->SetInput(mClipper->GetOutput());
     mSquaresMapper->SetInput(mSquares->GetOutput());
@@ -65,7 +70,7 @@ void vvImageContour::setSlicer(vvSlicer * slicer) {
     mSquaresActor->SetPickable(0);
     mSquaresActor->VisibilityOff();
     mSlicer->GetRenderer()->AddActor(mSquaresActor);
-    
+    */
     mSquaresActorList.push_back(mSquaresActor);
     mSquaresList.push_back(mSquares);
     mClipperList.push_back(mClipper);
@@ -74,6 +79,37 @@ void vvImageContour::setSlicer(vvSlicer * slicer) {
 //------------------------------------------------------------------------------
 
 
+//------------------------------------------------------------------------------
+void vvImageContour::setImage(vvImage::Pointer image) {
+  DD("vvImageContour::setImage");
+  for (unsigned int numImage = 0; numImage < image->GetVTKImages().size(); numImage++) {
+    mClipperList[numImage]->SetInput(image->GetVTKImages()[numImage]);
+  }
+  mHiddenImageIsUsed = true;
+  mHiddenImage = image;
+}
+//------------------------------------------------------------------------------
+
+
+//------------------------------------------------------------------------------
+void vvImageContour::setPreserveModeEnabled(bool b) {
+  DD("setPreserveModeEnabled");
+  DD(b);
+  DD(mDisplayModeIsPreserveMemory);
+  if (mDisplayModeIsPreserveMemory == b) return;
+  mDisplayModeIsPreserveMemory = b;
+  if (!b) {
+    initializeCacheMode();
+  }
+  else {
+    for(unsigned int d=0; d<mListOfCachedContourActors.size(); d++)
+      mListOfCachedContourActors[d].clear();
+    mListOfCachedContourActors.clear();
+  }
+}
+//------------------------------------------------------------------------------
+
+
 //------------------------------------------------------------------------------
 void vvImageContour::setColor(double r, double g, double b) {
   for(unsigned int i=0; i<mSquaresActorList.size(); i++) {
@@ -109,12 +145,25 @@ void vvImageContour::showActors() {
   
 //------------------------------------------------------------------------------
 void vvImageContour::update(double value) {
-  mValue= value;
   if (!mSlicer) return;
+  // Get current threshold value
+  mValue= value;
+  // Get current slice
+  mSlice = mSlicer->GetSlice();
 
-  // how to not update if not visible ?
+  if (mDisplayModeIsPreserveMemory) {
+    updateWithPreserveMemoryMode();
+  }
+  else {
+    updateWithFastCacheMode();
+  }
+}
+//------------------------------------------------------------------------------
+
+
+//------------------------------------------------------------------------------
+void vvImageContour::updateWithPreserveMemoryMode() {
 
-  mSlice = mSlicer->GetSlice();
   // Only change actor visibility if tslice change
   if (mTSlice != mSlicer->GetTSlice()) {
     if (mTSlice != -1) 
@@ -126,13 +175,78 @@ void vvImageContour::update(double value) {
   vtkMarchingSquares * mSquares = mSquaresList[mTSlice];
   vtkImageClip * mClipper = mClipperList[mTSlice];
   vtkActor * mSquaresActor = mSquaresActorList[mTSlice];
+  int orientation = computeCurrentOrientation();
+  // DD(orientation);
+
+  updateActor(mSquaresActor, mSquares, mClipper, mValue, orientation, mSlice);
 
+  return;
+  
   // Do it
-  mSquares->SetValue(0,value);
+  mSquares->SetValue(0, mValue );
 
   int* extent = mSlicer->GetImageActor()->GetDisplayExtent();
-  mClipper->SetOutputWholeExtent(extent[0],extent[1],extent[2],
-				 extent[3],extent[4],extent[5]);
+  // DD(extent[0]);
+  // DD(extent[1]);
+  // DD(extent[2]);
+  // DD(extent[3]);
+  // DD(extent[4]);
+  // DD(extent[5]);
+
+  // int* extent2 = mClipper->GetInput()->GetDisplayExtent();
+  // DD(extent2[0]);
+  // DD(extent2[1]);
+  int* extent2 = new int[6];
+  if (mHiddenImageIsUsed) {
+    int * extent3;
+    extent3 = mHiddenImage->GetFirstVTKImageData()->GetExtent();
+    for(int i=0; i<6; i++) extent2[i] = extent3[i];
+    // DD(extent2[0]);
+    // DD(extent2[1]);
+    // DD(extent2[2]);
+    // DD(extent2[3]);
+    // DD(extent2[4]);
+    // DD(extent2[5]);
+    for(int i=0; i<6; i+=2) {
+      if (extent[i] != extent[i+1]) { 
+        // extent[i] = extent2[i]; 
+        // extent[i+1] = extent2[i+1]; 
+      }
+      else {
+        // DD(extent[i]);
+        // DD(mSlicer->GetImage()->GetSpacing()[i/2]);
+        // DD(mHiddenImage->GetFirstVTKImageData()->GetSpacing()[i/2]);
+
+        double s = (double)extent[i]*(double)mSlicer->GetImage()->GetSpacing()[i/2]; // in mm
+        // DD(s);
+        s = s+mSlicer->GetImage()->GetOrigin()[i/2]; // from origin
+        // DD(s);
+        s = s-mHiddenImage->GetFirstVTKImageData()->GetOrigin()[i/2]; // from corner second image
+        s = s/mHiddenImage->GetFirstVTKImageData()->GetSpacing()[i/2]; // in voxel
+        // DD(s);
+
+        if (s == floor(s)) { 
+          extent2[i] = extent2[i+1] = (int)floor(s);
+        }
+        else {
+          extent2[i] = (int)floor(s);
+          extent2[i+1] = extent2[i];
+        }
+        // DD(extent2[i]);
+      }
+    }
+  }
+  else extent2 = extent;
+  // DD(extent2[0]);
+  // DD(extent2[1]);
+  // DD(extent2[2]);
+  // DD(extent2[3]);
+  // DD(extent2[4]);
+  // DD(extent2[5]);
+  
+
+  mClipper->SetOutputWholeExtent(extent2[0],extent2[1],extent2[2],
+				 extent2[3],extent2[4],extent2[5]);
   int i;
   for (i = 0; i < 6;i = i+2) {
     if (extent[i] == extent[i+1]) {
@@ -177,3 +291,151 @@ void vvImageContour::update(double value) {
 }
 //------------------------------------------------------------------------------
 
+
+//------------------------------------------------------------------------------
+void vvImageContour::initializeCacheMode() {
+  DD("vvImageContour::initializeCacheMode");
+    
+  mPreviousSlice = mPreviousOrientation = 0;
+  int dim;
+  if (mHiddenImageIsUsed) dim = mHiddenImage->GetNumberOfDimensions();
+  else dim = mSlicer->GetImage()->GetNumberOfDimensions();
+  DD(dim);
+
+  mListOfCachedContourActors.resize(dim);
+  for(int d=0; d<dim; d++) {
+    DD(d);
+    int size;
+    if (mHiddenImageIsUsed) size = mHiddenImage->GetSize()[d];
+    else size = mSlicer->GetImage()->GetSize()[d];
+    DD(size);
+    mListOfCachedContourActors[d].resize(size);
+    for(int j=0; j<size; j++) {
+      mListOfCachedContourActors[d][j] = NULL;
+      DD(mListOfCachedContourActors.size());
+      DD(mListOfCachedContourActors[d].size());
+    }
+  }
+}
+//------------------------------------------------------------------------------
+
+
+//------------------------------------------------------------------------------
+int vvImageContour::computeCurrentOrientation() {
+  // Get extent of image in the slicer
+  int* extent = mSlicer->GetImageActor()->GetDisplayExtent();
+  
+  // Compute orientation
+  int orientation;
+  for (orientation = 0; orientation < 6;orientation = orientation+2) {
+    if (extent[orientation] == extent[orientation+1]) {
+      break;
+    }
+  }
+  orientation = orientation/2;
+  // DD(orientation);
+  return orientation;
+}
+//------------------------------------------------------------------------------
+
+
+//------------------------------------------------------------------------------
+void vvImageContour::updateWithFastCacheMode() {
+  DD("vvImageContour::updateWithFastCacheMode");
+
+  // Compute orientation
+  int orientation = computeCurrentOrientation();
+
+  // Turn off previous actor
+  DD(mPreviousOrientation);
+  DD(mPreviousSlice);
+  if (mListOfCachedContourActors[mPreviousOrientation][mPreviousSlice] != NULL)
+    mListOfCachedContourActors[mPreviousOrientation][mPreviousSlice]->VisibilityOff();
+  mPreviousSlice = mSlice;
+  mPreviousOrientation = orientation;
+
+  // Display actor if it exist
+  vtkActor * actor = mListOfCachedContourActors[orientation][mSlice];
+  if (actor != NULL) {
+    DD("Actor exist");
+    mListOfCachedContourActors[orientation][mSlice]->VisibilityOn();
+  }
+  else {
+    vtkImageClip * mClipper;
+    vtkMarchingSquares * mSquares;
+    vtkActor * mSquaresActor;
+    createNewActor(&mSquaresActor, &mSquares, &mClipper);
+    updateActor(mSquaresActor, mSquares, mClipper, mValue, orientation, mSlice);
+    mListOfCachedContourActors[orientation][mSlice] = mSquaresActor;
+    mSquaresActor->VisibilityOn();
+  }
+}
+//------------------------------------------------------------------------------
+
+
+//------------------------------------------------------------------------------
+void vvImageContour::createNewActor(vtkActor ** actor, 
+				    vtkMarchingSquares ** squares, 
+				    vtkImageClip ** clipper) {
+  // DD("vvImageContour::CreateNewActor");
+  vtkActor * mSquaresActor = (*actor = vtkActor::New());
+  vtkImageClip * mClipper = (*clipper = vtkImageClip::New());
+  vtkMarchingSquares * mSquares = (*squares = vtkMarchingSquares::New());
+  vtkPolyDataMapper * mSquaresMapper = vtkPolyDataMapper::New();
+  
+  if (mHiddenImageIsUsed) 
+    mClipper->SetInput(mHiddenImage->GetVTKImages()[0]);
+  else 
+    mClipper->SetInput(mSlicer->GetImage()->GetVTKImages()[0]);
+  mSquares->SetInput(mClipper->GetOutput());
+  mSquaresMapper->SetInput(mSquares->GetOutput());
+  mSquaresMapper->ScalarVisibilityOff();
+  mSquaresActor->SetMapper(mSquaresMapper);
+  mSquaresActor->GetProperty()->SetColor(1.0,0,0);
+  mSquaresActor->SetPickable(0);
+  mSquaresActor->VisibilityOff();
+  mSlicer->GetRenderer()->AddActor(mSquaresActor);  
+}
+//------------------------------------------------------------------------------
+
+
+//------------------------------------------------------------------------------
+void vvImageContour::updateActor(vtkActor * actor, 
+				 vtkMarchingSquares * squares, 
+				 vtkImageClip * clipper, 
+				 int threshold, int orientation, int slice) {
+  // DD("Update Actor according to extend/threshold");
+  
+  int* extent = mSlicer->GetImageActor()->GetDisplayExtent();
+  clipper->SetOutputWholeExtent(extent[0],extent[1],extent[2],
+				 extent[3],extent[4],extent[5]);
+  squares->SetValue(0, threshold);
+
+  switch (orientation)  {
+  case 0: if (mSlicer->GetRenderer()->GetActiveCamera()->GetPosition()[0] > slice) {
+      actor->SetPosition(1,0,0);
+    }
+    else {
+      actor->SetPosition(-1,0,0);
+    }
+    break;
+  case 1: if (mSlicer->GetRenderer()->GetActiveCamera()->GetPosition()[1] > slice) {
+      actor->SetPosition(0,1,0);
+    }
+    else {
+      actor->SetPosition(0,-1,0);
+    }
+    break;
+  case 2: if (mSlicer->GetRenderer()->GetActiveCamera()->GetPosition()[2] > slice) {
+      actor->SetPosition(0,0,1);
+    }
+    else {
+      actor->SetPosition(0,0,-1);
+    }
+    break;
+  }
+  squares->Update();
+}
+//------------------------------------------------------------------------------
+
+