- 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>
vvImageContour::vvImageContour() {
mTSlice = -1;
mSlice = 0;
+ mHiddenImageIsUsed = false;
+ mDisplayModeIsPreserveMemory = true;
}
//------------------------------------------------------------------------------
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());
mSquaresActor->SetPickable(0);
mSquaresActor->VisibilityOff();
mSlicer->GetRenderer()->AddActor(mSquaresActor);
-
+ */
mSquaresActorList.push_back(mSquaresActor);
mSquaresList.push_back(mSquares);
mClipperList.push_back(mClipper);
//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+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++) {
//------------------------------------------------------------------------------
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)
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]) {
}
//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+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();
+}
+//------------------------------------------------------------------------------
+
+