Mapping Routines
Plots a map.
Draws a contour plot from longitude/latitude data stored in a 2D array.
For each map pixel, identify longitude, latitude, and cover type.
Plots vectors or points (specified as longitude/latitude data) on the current map projection.
Fills the interior of a region of the display enclosed by an arbitrary 2D polygon.
MAP_REVERSE, x, y, lon, lat
Converts output from routines like CURSOR and WtPointer from device, normal, or data coordinates to longitude and latitude coordinates.
MAP_VELOVECT, u, v, [, x, y]
Draws a two-dimensional velocity field plot on a map, with each directed arrow indicating the magnitude and direction of the field.
Draws text on the currently selected graphics device starting at the designated map coordinate.
Queries a database containing names, FIPS codes, and longitude/latitude values for cities and towns in the United States. Plots a map.
