+ double max, min;
+ for (int i=0; i<3; ++i) {
+ max = pointExtent[0][i];
+ min = pointExtent[0][i];
+ for (int j=1; j<8; ++j) {
+ if (pointExtent[j][i] > max) {
+ max = pointExtent[j][i];
+ }
+ if (pointExtent[j][i] < min) {
+ min = pointExtent[j][i];
+ }
+ }
+ maxExtent[0][i] = min;
+ maxExtent[1][i] = max;
+ }
+}
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+void vvToolRigidReg::Render()
+{ //out << __func__ << endl;
+#if VTK_MAJOR_VERSION > 5
+vtkMatrix4x4* matrix = mCurrentSlicerManager->GetImage()->GetTransform()[0]->GetMatrix();
+vtkMatrix4x4* matrixTranspose = matrix->NewInstance();
+for (int i=0; i<3; ++i) {
+ for (int j=0; j<3; ++j)
+ {
+ matrixTranspose->SetElement(i,j,matrix->GetElement(j,i));
+ }
+}
+for (int i=0; i<4; ++i) {
+ matrixTranspose->SetElement(3,i,matrix->GetElement(3,i));
+}
+for (int i=0; i<4; ++i) {
+ matrixTranspose->SetElement(i,3,matrix->GetElement(i,3));
+}
+#endif
+ for (int i=0; i<mCurrentSlicerManager->GetNumberOfSlicers(); i++)
+ {
+#if VTK_MAJOR_VERSION > 5
+ double pointExtent[8][4], pointExtentUpdate[8][4];
+ std::vector<int> w_ext;
+ w_ext=mCurrentSlicerManager->GetImage()->GetSize();
+ pointExtent[0][0] = 0.0;
+ pointExtent[0][1] = 0.0;
+ pointExtent[0][2] = 0.0;
+ pointExtent[0][3] = 1.0;
+ pointExtent[1][0] = w_ext[0]-1;
+ pointExtent[1][1] = w_ext[1]-1;
+ pointExtent[1][2] = w_ext[2]-1;
+ pointExtent[1][3] = 1.0;
+ pointExtent[2][0] = 0.0;
+ pointExtent[2][1] = w_ext[1]-1;
+ pointExtent[2][2] = w_ext[2]-1;
+ pointExtent[2][3] = 1.0;
+ pointExtent[3][0] = w_ext[0]-1;
+ pointExtent[3][1] = 0.0;
+ pointExtent[3][2] = w_ext[2]-1;
+ pointExtent[3][3] = 1.0;
+ pointExtent[4][0] = w_ext[0]-1;
+ pointExtent[4][1] = w_ext[1]-1;
+ pointExtent[4][2] = 0.0;
+ pointExtent[4][3] = 1.0;
+ pointExtent[5][0] = 0.0;
+ pointExtent[5][1] = 0.0;
+ pointExtent[5][2] = w_ext[2]-1;
+ pointExtent[5][3] = 1.0;
+ pointExtent[6][0] = 0.0;
+ pointExtent[6][1] = w_ext[1]-1;
+ pointExtent[6][2] = 0.0;
+ pointExtent[6][3] = 1.0;
+ pointExtent[7][0] = w_ext[0]-1;
+ pointExtent[7][1] = 0.0;
+ pointExtent[7][2] = 0.0;
+ pointExtent[7][3] = 1.0;
+
+ for (int k=0; k<8; ++k) {
+ for (int j=0; j<3; ++j)
+ {
+ pointExtent[k][j] = mCurrentSlicerManager->GetImage()->GetOrigin()[j] + mCurrentSlicerManager->GetImage()->GetSpacing()[j] * pointExtent[k][j];
+ }
+ matrixTranspose->MultiplyPoint(pointExtent[k], pointExtentUpdate[k]);
+ for (int j=0; j<3; ++j)
+ {
+ pointExtentUpdate[k][j] = (pointExtentUpdate[k][j] - mCurrentSlicerManager->GetImage()->GetOrigin()[j])/mCurrentSlicerManager->GetImage()->GetSpacing()[j];
+ }
+ }
+double extUpdateTemp[2][3];
+int extUpdate[6];
+ExtentMax(pointExtentUpdate, extUpdateTemp);
+for (int j=0; j<3; ++j) {
+ extUpdate[2*j] = 0;
+ extUpdate[2*j+1] = itk::Math::Round<double>(extUpdateTemp[1][j] - extUpdateTemp[0][j]);