X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=Common%2FvtkOptimizedImageData.h;fp=Common%2FvtkOptimizedImageData.h;h=a0fbd75286e9ea1d0afaeefc73e6171407bda2dc;hb=e989157c905531306964b1f4d2d70991029aaca2;hp=0000000000000000000000000000000000000000;hpb=a29e955d81fcaf6b37db4a5cb168549f96f1fff3;p=openheart.git

diff --git a/Common/vtkOptimizedImageData.h b/Common/vtkOptimizedImageData.h
new file mode 100644
index 0000000..a0fbd75
--- /dev/null
+++ b/Common/vtkOptimizedImageData.h
@@ -0,0 +1,181 @@
+/**
+* Progam made by Olivier Bernard, associate professor
+* at Institut National des Sciences Appliquees (INSA) Lyon,
+* CREATIS-LRMN Laboratory,
+* 69621 Villeurbanne, France,
+* 31th of march 2011
+*/
+
+#ifndef __vtkOptimizedImageData_h__
+#define __vtkOptimizedImageData_h__
+
+#include <vtkObjectFactory.h>
+#include <vtkImageData.h>
+#include <vtkPointData.h>
+
+
+using namespace std;
+
+template<class T>
+class VTK_EXPORT vtkOptimizedImageData : public vtkImageData
+{
+
+    private:
+
+        T* data;
+        int dimX;
+        int dimY;
+        int dimZ;
+
+    protected:
+
+        vtkOptimizedImageData() : data(NULL) {}
+        ~vtkOptimizedImageData() {}
+
+    public:
+
+        static vtkOptimizedImageData *New()
+        {
+            vtkObject* ret = vtkObjectFactory::CreateInstance("vtkOptimizedImageData");
+            if(ret) { return (vtkOptimizedImageData*)ret; }
+            // If the factory was unable to create the object, then create it here.
+            return (new vtkOptimizedImageData);
+        }
+
+        vtkOptimizedImageData& operator=(vtkImageData &m)
+        {
+            this->DeepCopy(&m);
+            return *this;
+        }
+
+        T& operator()(int x, int y, int z)
+        {
+            if ( !data ) {
+                data = static_cast<T*>(this->PointData->GetScalars()->GetVoidPointer(0));
+                dimX = this->GetDimensions()[0];
+                dimY = this->GetDimensions()[1];
+                dimZ = this->GetDimensions()[2];
+            }
+            return data[x+y*dimX+z*dimX*dimY];
+//            if ( (x>=0 && x<dimX) && (y>=0 && y<dimY) && (z>=0 && z<dimZ) )
+//                return data[x+y*dimX+z*dimX*dimY];
+//            else
+//            {
+//                cout << "Take care, try to access a point out of the volume" << endl;
+//                return data[0];
+//            }
+        }
+
+        double operator()(double x, double y, double z) // added by Daniel
+        {
+            if ( !data ) {
+                data = static_cast<T*>(this->PointData->GetScalars()->GetVoidPointer(0));
+                dimX = this->GetDimensions()[0];
+                dimY = this->GetDimensions()[1];
+                dimZ = this->GetDimensions()[2];
+            }
+
+            int x0,y0,z0;
+            x0=(int) x;
+            y0=(int) y;
+            z0=(int) z;
+
+//            cout << x << " " << y << " " << z << " " << endl;
+//            cout << x0 << " " << y0 << " " << z0 << " " << endl;
+
+
+            int x1,y1,z1;
+            x1=x0+1;
+            y1=y0+1;
+            z1=z0+1;
+
+//            cout << x1 << " " << y1 << " " << z1 << " " << endl;
+
+            double xd,yd,zd;
+            xd=x-x0;
+            yd=y-y0;
+            zd=z-z0;
+
+//            cout << xd << " " << yd << " " << zd << " " << endl;
+
+            double xdi=1.0-xd;
+            double ydi=1.0-yd;
+            double zdi=1.0-zd;
+
+            double c00, c10, c01, c11;
+            c00 = data[x0+y0*dimX+z0*dimX*dimY]*xdi+data[x1+y0*dimX+z0*dimX*dimY]*xd;
+            c10 = data[x0+y1*dimX+z0*dimX*dimY]*xdi+data[x1+y1*dimX+z0*dimX*dimY]*xd;
+            c01 = data[x0+y0*dimX+z1*dimX*dimY]*xdi+data[x1+y0*dimX+z1*dimX*dimY]*xd;
+            c11 = data[x0+y1*dimX+z1*dimX*dimY]*xdi+data[x1+y1*dimX+z1*dimX*dimY]*xd;
+
+            double c0,c1;
+            c0=c00*ydi+c10*yd;
+            c1=c01*ydi+c11*yd;
+
+            return c0*zdi+c1*zd;
+
+        }
+
+        T& operator()(int x, int y)
+        {
+            if ( !data ) {
+                data = static_cast<T*>(this->PointData->GetScalars()->GetVoidPointer(0));
+                dimX = this->GetDimensions()[0];
+                dimY = this->GetDimensions()[1];
+                dimZ = 1;
+            }
+            if ( (x>=0 && x<dimX) && (y>=0 && y<dimY) )
+                return data[x+y*dimX];
+            else
+            {
+                cout << "Take care, try to access a point out of the volume" << endl;
+                return data[0];
+            }
+        }
+
+        T& operator()(int k)
+        {
+            if ( !data ) {
+                data = static_cast<T*>(this->PointData->GetScalars()->GetVoidPointer(0));
+                dimX = this->GetDimensions()[0];
+                dimY = this->GetDimensions()[1];
+                dimZ = this->GetDimensions()[2];
+            }
+            if (k>=0 && k<dimX*dimY*dimZ)
+                return data[k];
+            else
+            {
+                cout << "Take care, try to access a point out of the volume" << endl;
+                return data[0];
+            }
+        }
+
+        void PrintDataPointer()
+        {
+                cout << "data = " << this->PointData->GetScalars()->GetVoidPointer(0) << endl;
+        }
+
+
+        void Update()
+        {
+	        AllocateScalars();
+            this->Superclass::Update();
+        }
+
+        void PrintInfo();
+
+        /// Added by Daniel
+        void CopyImage(vtkDataObject *src)
+        {
+            this->DeepCopy(src);
+            data = static_cast<T*>(this->PointData->GetScalars()->GetVoidPointer(0));
+            dimX = this->GetDimensions()[0];
+            dimY = this->GetDimensions()[1];
+            dimZ = this->GetDimensions()[2];
+        }
+
+
+};
+
+
+#endif