Clamp range between limits on CenterRange

When requesting the color transfer function to be centered on the
histogram mean, we make sure the new range won't exceed the limit range.

Libs/Visualization/VTK/Core/vtkDiscretizableColorTransferChart.cpp

@@ -454,6 +454,13 @@ double* vtkDiscretizableColorTransferChart::GetCurrentRange()
 void vtkDiscretizableColorTransferChart::CenterRange(double center)
 {
   double width = this->CurrentRange[1] - this->CurrentRange[0];
+  double limitRange[2];
+  limitRange[0] = std::min(this->OriginalRange[0], this->DataRange[0]);
+  limitRange[1] = std::max(this->OriginalRange[1], this->DataRange[1]);
+  double limitWidth = 2.0 * std::min(center - limitRange[0], limitRange[1] - center);
+
+  width = width < limitWidth ? width : limitWidth;
+
   double newMin = center - width / 2;
   double newMax = newMin + width;