ARROW - Draws an arrow as an annotation to an existing graphic.
AXIS- Adds an axis to an existing graphic.
BARPLOT - Plots data as a series of rectangular bars.
COLORBAR - Adds a colorbar annotation to an existing graphic.
COLORTABLE - Defines a custom color table.
CONTOUR - Draws a 2D contour plot for a 2D array of data.
ELLIPSE - Adds an ellipse annotation to an existing graphic.
ERRORPLOT - Draws a line plot, with error bars surrounding each vertex.
GETWINDOWS - Retrieves a specific graphic window or all graphics windows.
IMAGE - Displays image data in a graphics window.
LEGEND - Adds a legend to 2D or 3D plots.
MAP - Displays map data in a graphics window.
MAPCONTINENTS - Overlays map boundaries on a map in a graphics window.
MAPGRID - Plots a map graticule (or grid) onto an existing IDL map graphic.
PLOT - Draws a line plot of vector arguments.
PLOT3D - Draws a 3D plot of vector arguments.
POLARPLOT - Creates a plot using the polar coordinates R and Theta.
POLYGON - Adds a polygon annotation to an existing graphic.
POLYLINE - Plots a series of lines as an annotation to an existing graphic.
STREAMLINE - Draws a streamline plot.
SURFACE - Draws a 3D surface for a 2D array of data.
SYMBOL - Adds a symbol (with an optional text label) to the current IDL graphic at the x,y location.
TEXT - Adds a text annotation to the current graphic.
VECTOR - Draws a plot of either vectors or wind barbs.
WIDGET_WINDOW - Creates a graphics widget.
WINDOW- Creates an empty graphics window.