Consistency in coloring of radial / non-polar axes. Testing this.

Change-Id: I2e3f4cbc9ff8691f06422c8a218d2fecf929dca2

Hybrid/Testing/Cxx/TestPolarAxes.cxx

@@ -88,8 +88,8 @@ int TestPolarAxes( int argc, char * argv [] )
   polaxes->SetRadialLabelFormat( "%6.1f" );
   polaxes->GetRadialAxesProperty()->SetColor( .0, .0, .9 );
   polaxes->SetScreenSize( 12.0 );
-  polaxes->GetPolarAxisTitleTextProperty()->SetColor( 1., 0., 0. );
-  polaxes->GetPolarAxisLabelTextProperty()->SetColor( 1., 0., 0. );
+  polaxes->GetPolarAxisTitleTextProperty()->SetColor( .8, 0., 0. );
+  polaxes->GetPolarAxisLabelTextProperty()->SetColor( .8, 0., 0. );
 
   vtkNew<vtkRenderWindow> renWin;
   renWin->SetMultiSamples( 0 );

Hybrid/vtkPolarAxesActor.cxx

@@ -167,8 +167,6 @@ vtkPolarAxesActor::vtkPolarAxesActor() : vtkActor()
       }
     }
 
-  this->ActualRadialLabel = 0;
-
   // Default tick location, defined in vtkAxisActor
   this->TickLocation = VTK_TICKS_BOTH;
 
@@ -561,6 +559,7 @@ void vtkPolarAxesActor::SetNonDependentAttributes()
       {
       axis->SetLabelVisibility( 0 );
       axis->SetTickVisibility( 0 );
+      axis->GetTitleTextProperty()->SetColor( this->GetRadialAxesProperty()->GetColor() );
       }
     }
 }