C C Create ContourPlot object. We can then draw polylines C and polymarkers on our MapPlot on behalf of the GraphicStyle object. C C Draw circle around our contours. C C Advance the frame. C C Turn off our previous annotations since we are now annotating C with LLU calls.
C C Draw the map, circle, and polymarker.
Here's where the LLU calls come in. We are using Plotchar to C draw the text in our map projection. C C NhlDestroy destroys the given id and all of its children. C C Restores state.