Update GeoAssignCoordinates.md

Former-commit-id: 7b5a946a

src/Java/Geovis/GeoAssignCoordinates.md

@@ -5,3 +5,8 @@ Given latitude and longitude arrays, take the values in those arrays and convert
 Uses a spherical model of the earth to do the conversion. The position is in meters relative to the center of the earth.
 
 If a transform is given, use the transform to convert latitude and longitude to the world coordinate.
+
+!!! note
+    The vtkGeovisCore classes as well as the module vtkViewsGeovis have been deprecated for VTK 8.2 and will be removed in a future version.
+    See [VTK Merge Request 4395](https://gitlab.kitware.com/vtk/vtk/merge_requests/4395)
+