Salome HOME
Moved some functionality to VTKViewer_Utilities.h
[modules/kernel.git] / src / VTKFilter / SALOME_CubeAxesActor2D.cxx
index 10a35daf8c32f5986d556123af549b5854bab500..dea6ed3923fd3ae46cb4c2e4618060c4ebe38606 100644 (file)
@@ -313,7 +313,7 @@ int SALOME_CubeAxesActor2D::RenderOpaqueGeometry(vtkViewport *viewport)
   this->AdjustAxes(pts, bounds, idx, xIdx, yIdx, zIdx, zIdx2, 
                    xAxes, yAxes, zAxes, 
                    xCoords, yCoords, zCoords, xRange, yRange, zRange);
-
+  
   // Upate axes
   this->Labels[0] = this->XLabel;
   this->Labels[1] = this->YLabel;
@@ -382,15 +382,73 @@ int SALOME_CubeAxesActor2D::RenderOpaqueGeometry(vtkViewport *viewport)
   this->planeYZ->SetInput(rgrid);
   this->planeXZ->SetInput(rgrid);
   
+  rgrid->Delete();
+
+  float aCPosition[3];
+  float aCDirection[3];
+  this->Camera->GetPosition(aCPosition);
+  this->Camera->GetDirectionOfProjection(aCDirection);
+
+  // culculate placement of XY
+  bool replaceXY=false;
+  bool replaceYZ=false;
+  bool replaceXZ=false;
+  float p[6][3]; // centers of planes
+  float vecs[6][3]; // 6 vectors from camera position to centers
+  
+  float aMiddleX = (XCoords->GetValue(0) + XCoords->GetValue(numOfLabelsX-1))/2;
+  float aMiddleY = (YCoords->GetValue(0) + YCoords->GetValue(numOfLabelsY-1))/2;
+  float aMiddleZ = (ZCoords->GetValue(0) + ZCoords->GetValue(numOfLabelsZ-1))/2;
+  
+  // plane XY
+  p[0][0] = aMiddleX; // plane X=0.5 Y=0.5 Z=0
+  p[0][1] = aMiddleY;
+  p[0][2] = ZCoords->GetValue(0);
+  
+  p[1][0] = aMiddleX; // plane X=0.5 Y=0.5 Z=1
+  p[1][1] = aMiddleY;
+  p[1][2] = ZCoords->GetValue(numOfLabelsZ-1);
+
+  // plane YZ
+  p[2][0] = XCoords->GetValue(0); // plane X=0 Y=0.5 Z=0.5
+  p[2][1] = aMiddleY;
+  p[2][2] = aMiddleZ;
+
+  p[3][0] = XCoords->GetValue(numOfLabelsX-1);
+  p[3][1] = aMiddleY;
+  p[3][2] = aMiddleZ;
+  
+  // plane XZ
+  p[4][0] = aMiddleX; // plane X=0.5 Y=0 Z=0.5
+  p[4][1] = YCoords->GetValue(0);
+  p[4][2] = aMiddleZ;
+
+  p[5][0] = aMiddleX; // plane X=0.5 Y=1 Z=0.5
+  p[5][1] = YCoords->GetValue(numOfLabelsY-1);
+  p[5][2] = aMiddleZ;
+
+  for(int i=0;i<3;i++) 
+    for(int j=0;j<6;j++) vecs[j][i] = p[j][i] - aCPosition[i];
+  
+  if ( vtkMath::Dot(vecs[0],aCDirection) < vtkMath::Dot(vecs[1],aCDirection))
+    replaceXY = true;
+  if ( vtkMath::Dot(vecs[2],aCDirection) < vtkMath::Dot(vecs[3],aCDirection))
+    replaceYZ = true;
+  if ( vtkMath::Dot(vecs[4],aCDirection) < vtkMath::Dot(vecs[5],aCDirection))
+    replaceXZ = true;
+
+  if(replaceXY) this->planeXY->SetExtent(0,numOfLabelsX, 0,numOfLabelsY, numOfLabelsZ,numOfLabelsZ);
+  else this->planeXY->SetExtent(0,numOfLabelsX, 0,numOfLabelsY, 0,0);
+
+  if(replaceYZ) this->planeYZ->SetExtent(numOfLabelsX,numOfLabelsX, 0,numOfLabelsY, 0,numOfLabelsZ);
+  else this->planeYZ->SetExtent(0,0, 0,numOfLabelsY, 0,numOfLabelsZ);
+  
+  if(replaceXZ) this->planeXZ->SetExtent(0,numOfLabelsX, numOfLabelsY,numOfLabelsY, 0,numOfLabelsZ);
+  else this->planeXZ->SetExtent(0,numOfLabelsX, 0,0, 0,numOfLabelsZ);
+
   XCoords->Delete();
   YCoords->Delete();
   ZCoords->Delete();
-  rgrid->Delete();
-
-  // ENK:: here must be setting of correct placement of planex
-  this->planeXY->SetExtent(0,numOfLabelsX, 0,numOfLabelsY, 0,0);
-  this->planeYZ->SetExtent(0,0, 0,numOfLabelsY, 0,numOfLabelsZ);
-  this->planeXZ->SetExtent(0,numOfLabelsX, 0,0, 0,numOfLabelsZ);
 
   float color[3];