Fixing warnings.

src/Cxx/Visualization/QuadricVisualization.cxx

@@ -55,7 +55,7 @@ int main( int, char *[] )
   //
   // Create surface of implicit function
   //
-  double range[2];
+  // double range[2];
 
   // Sample quadric function
   vtkSmartPointer<vtkQuadric> quadric =
@@ -161,7 +161,7 @@ void CreatePlanes(vtkSmartPointer<vtkSampleFunction> &function,
   int sliceIncr = (dims[2] - 1) / (numberOfPlanes + 1);
 
   int slice = -4;
-  for (int i = 0; i< numberOfPlanes; ++i)
+  for (unsigned int i = 0; i< numberOfPlanes; ++i)
   {
     vtkSmartPointer<vtkExtractVOI> extract =
       vtkSmartPointer<vtkExtractVOI>::New();
@@ -201,7 +201,7 @@ void CreateContours(vtkSmartPointer<vtkSampleFunction> &function,
   int sliceIncr = (dims[2] - 1) / (numberOfPlanes + 1);
 
   int slice = -4;
-  for (int i = 0; i< numberOfPlanes; ++i)
+  for (unsigned int i = 0; i< numberOfPlanes; ++i)
   {
     vtkSmartPointer<vtkExtractVOI> extract =
       vtkSmartPointer<vtkExtractVOI>::New();

src/Cxx/VisualizationAlgorithms/MarchingCases.cxx

@@ -94,8 +94,9 @@ int main (int argc, char *argv[])
   iren->SetRenderWindow(renWin);
 
   std::vector<vtkSmartPointer<vtkRenderer>> renderers;
-  int gridSize = ((mcCases.size() + 3) / 4) * 4;
-  gridSize = mcCases.size() < 4 ? mcCases.size() : gridSize;
+  int gridSize = ((static_cast<int>(mcCases.size()) + 3) / 4) * 4;
+  gridSize = static_cast<int>(mcCases.size()) < 4 ? 
+             static_cast<int>(mcCases.size()) : gridSize;
   std::cout << "gridSize: " << gridSize << std::endl;
   for (int i = 0; i < gridSize; ++i)
   {
@@ -344,14 +345,15 @@ int main (int argc, char *argv[])
   }
   // Setup viewports for the renderers
   int rendererSize = 300;
-  unsigned int xGridDimensions = mcCases.size() < 4 ? mcCases.size() : 4;
-  unsigned int yGridDimensions = (mcCases.size() - 1) / 4 + 1; 
+  int xGridDimensions = static_cast<int>(mcCases.size()) < 4 ?
+                        static_cast<int>(mcCases.size()) : 4;
+  int yGridDimensions = (static_cast<int>(mcCases.size()) - 1) / 4 + 1;
   std::cout << "x, y: " << xGridDimensions << " " << yGridDimensions << std::endl;
   renWin->SetSize(
     rendererSize * xGridDimensions, rendererSize * yGridDimensions);
-  for (int row = 0; row < static_cast<int>(yGridDimensions); row++)
+  for (int row = 0; row < yGridDimensions; row++)
   {
-    for (int col = 0; col < static_cast<int>(xGridDimensions); col++)
+    for (int col = 0; col < xGridDimensions; col++)
     {
       int index = row * xGridDimensions + col;
 

src/Python/Visualization/Hawaii.py

@@ -10,8 +10,8 @@ def main():
 
     colors = vtk.vtkNamedColors()
     # Set the background color. Match those in VTKTextbook.pdf.
-    bkg1 = map(lambda x: x / 256.0, [25, 51, 102])
-    colors.SetColor("BkgColor1", *bkg1)
+    bkg = map(lambda x: x / 256.0, [25, 51, 102])
+    colors.SetColor("BkgColor", *bkg)
 
     # Read a vtk file
     #
@@ -52,7 +52,6 @@ def main():
     # Match the window shape to the object.
     # renWin.SetSize(500, int(500 * bounds[1] / bounds[3]))
     renWin.SetSize(500, 500)
-    ren.SetBackground(colors.GetColor3d("BkgColor1"))
 
     iren.Initialize()
 
@@ -60,12 +59,12 @@ def main():
     # Centered on Honolulu.
     # Diamond Head is the crater lower left.
     # Punchbowl is the crater in the centre.
-    ren.Render()
+    renWin.Render()
+    ren.SetBackground(colors.GetColor3d("BkgColor"))
     ren.GetActiveCamera().Zoom(1.5)
     ren.GetActiveCamera().Roll(-90)
-    ren.Render()
-    renWin.Render()
 
+    renWin.Render()
     iren.Start()