Feat: Improved organisation of Cartographic transformation

vtk/src/helperClasses/SpawnPointCallback.cpp

@@ -7,6 +7,8 @@
 #include <vtkCommand.h>
 #include <vtkRenderWindow.h>
 
+#include "CartographicTransformation.h"
+
 void convertDisplayToWorld(vtkRenderer* renderer, int x, int y, double *worldPos) {
     double displayPos[3] = {static_cast<double>(x), static_cast<double>(y), 0.0};
     renderer->SetDisplayPoint(displayPos);
@@ -36,6 +38,7 @@ void SpawnPointCallback::Execute(vtkObject *caller, unsigned long evId, void *ca
     ren->SetDisplayPoint(displayPos);
     ren->DisplayToWorld();
     ren->GetWorldPoint(worldPos);
+    inverseCartographicProjection->MultiplyPoint(worldPos, worldPos);
     cout << "clicked on lon = " << worldPos[0] << " and lat = " << worldPos[1] << endl;
 
     vtkIdType id = points->InsertNextPoint(worldPos[0], worldPos[1], 0);
@@ -52,7 +55,10 @@ void SpawnPointCallback::Execute(vtkObject *caller, unsigned long evId, void *ca
 }
 
 
-SpawnPointCallback::SpawnPointCallback() : data(nullptr), points(nullptr) {}
+SpawnPointCallback::SpawnPointCallback() : data(nullptr), points(nullptr), inverseCartographicProjection(nullptr) {
+    inverseCartographicProjection = getCartographicTransformMatrix();
+    inverseCartographicProjection->Invert();
+}
 
 SpawnPointCallback *SpawnPointCallback::New() {
     return new SpawnPointCallback;