Graphics routines

boxplot	Creates a boxplot.
ColorNegDashZeroPosContour	Sets the negative contours to dashed, and colors the negative, positive, and zero contours to user-specified colors.
ColorShadeLeGeContour	Shades contour regions given low and high values and two colors. (Deprecated. Use gsn_contour_shade.)
create_graphic	Creates a graphic object
draw	Draws the given graphical objects.
drawNDCGrid	Draws NDC grid lines at 0.1 NDC coordinate intervals and labels them.
geolocation_circle	Create latitudes and longitudes that define concentric circles at user specified distances from a central location.
get_isolines	Retrieves the points that define a contour line.
gsn_add_annotation	Attaches the given annotation to the given plot.
gsn_add_polygon	Attaches a filled polygon to the given plot.
gsn_add_polyline	Attaches a polyline to the given plot.
gsn_add_polymarker	Attaches polymarkers to the given plot.
gsn_add_shapefile_polygons	Attaches shapefile polygon data to the given plot(s) using randomly-filled polygons.
gsn_add_shapefile_polylines	Attaches shapefile polyline or polygon data to the given plot(s) using polylines.
gsn_add_shapefile_polymarkers	Attaches shapefile point data to the given plot(s) using polymarkers.
gsn_add_text	Attaches text strings to the given plot.
gsn_attach_plots	Attaches a series of plots to a base plot.
gsn_blank_plot	Draws a blank plot with tickmarks pointing inward.
gsn_contour	Creates and draws a contour plot.
gsn_contour_map	Creates and draws a contour plot over a map.
gsn_contour_shade	Shades contour regions given low and/or high values using colors or patterns.
gsn_coordinates	Draws or attaches the data coordinate locations on the given plot as grid lines or markers.
gsn_create_labelbar	Creates a labelbar.
gsn_create_legend	Creates a legend.
gsn_create_text	Creates text strings.
gsn_csm_attach_zonal_means	Attaches a zonal means plot to a contour/map plot.
gsn_csm_blank_plot	Draws a blank plot with tickmarks pointing outward.
gsn_csm_contour	Creates and draws a contour plot.
gsn_csm_contour_map	Creates and draws a contour plot over a map.
gsn_csm_contour_map_ce	Creates and draws a contour plot over a cylindrical equidistant map.
gsn_csm_contour_map_overlay	Creates and draws two contour plots over a map.
gsn_csm_contour_map_polar	Creates and draws a contour plot over a polar stereographic map.
gsn_csm_hov	Creates and draws a Hovmueller (time vs. longitude) plot.
gsn_csm_lat_time	Creates and draws a latitude versus time plot.
gsn_csm_map	Creates and draws a map.
gsn_csm_map_ce	Creates and draws a cylindrical equidistant map.
gsn_csm_map_polar	Creates and draws a polar stereographic map.
gsn_csm_pres_hgt	Creates and draws a pressure/height plot.
gsn_csm_pres_hgt_streamline	Creates and draws a pressure/height contour plot overlaid with streamlines.
gsn_csm_pres_hgt_vector	Creates and draws a pressure/height contour plot overlaid with vectors.
gsn_csm_streamline	Creates and draws a streamline plot.
gsn_csm_streamline_contour_map	Creates and draws streamlines over a contour plot over a map.
gsn_csm_streamline_contour_map_ce	Creates and draws streamlines over a contour plot over a cylindrical equidistant map.
gsn_csm_streamline_contour_map_polar	Creates and draws streamlines over a contour plot over a polar stereographic map.
gsn_csm_streamline_map	Creates and draws a streamline plot over a map.
gsn_csm_streamline_map_ce	Creates and draws a streamline plot over a cylindrical equidistant map.
gsn_csm_streamline_map_polar	Creates and draws a streamline plot over a polar stereographic map.
gsn_csm_streamline_scalar	Creates and draws a streamline plot, using a scalar field to color the streamlines.
gsn_csm_streamline_scalar_map	Creates and draws a streamline plot over a map, using a scalar field to color the streamlines.
gsn_csm_streamline_scalar_map_ce	Creates and draws a streamline plot over a cylindrical equidistant map, using a scalar field to color the streamlines.
gsn_csm_streamline_scalar_map_polar	Creates and draws a streamline plot over a polar stereographic map, using a scalar field to color the streamlines.
gsn_csm_time_lat	Creates and draws a time versus latitude plot.
gsn_csm_vector	Creates and draws a vector plot.
gsn_csm_vector_map	Creates and draws a vector plot over a map.
gsn_csm_vector_map_ce	Creates and draws a vector plot over a cylindrical equidistant map.
gsn_csm_vector_map_polar	Creates and draws a vector plot over a polar stereographic map.
gsn_csm_vector_scalar	Creates and draws a vector plot, and uses a scalar field to draw a separate contour plot or color the vectors.
gsn_csm_vector_scalar_map	Creates and draws a vector plot over a map, and uses a scalar field to draw a separate contour plot or color the vectors.
gsn_csm_vector_scalar_map_ce	Creates and draws a vector plot over a cylindrical equidistant map projection, and uses a scalar field to draw a separate contour plot or color the vectors.
gsn_csm_vector_scalar_map_polar	Creates and draws a vector plot over a polar stereographic map projection, and uses a scalar field to draw a separate contour plot or color the vectors.
gsn_csm_x2y	Creates and draws an XY plot with two different X axes.
gsn_csm_x2y2	Creates and draws an XY plot with two different XY axis pairs.
gsn_csm_xy	Creates and draws an XY plot.
gsn_csm_xy2	Creates and draws an XY plot with two different Y axes.
gsn_csm_xy3	Creates and draws an XY plot with three different Y axes.
gsn_csm_y	Creates and draws an XY plot, using index values for the X axis.
gsn_histogram	Draws a histogram plot on the given workstation.
gsn_labelbar_ndc	Draws a labelbar on the given workstation.
gsn_legend_ndc	Draws a legend on the given workstation.
gsn_map	Creates and draws a map.
gsn_open_wks	Opens a workstation on which to draw graphics.
gsn_panel	Draws multiple plots of identical size on a single frame.
gsn_polygon	Draws a filled polygon on the given plot.
gsn_polygon_ndc	Draws a filled polygon on the given workstation.
gsn_polyline	Draws a polyline on the given plot.
gsn_polyline_ndc	Draws a polyline on the given workstation.
gsn_polymarker	Draws polymarkers on the given plot.
gsn_polymarker_ndc	Draws polymarkers on the given workstation.
gsn_streamline	Creates and draws a streamline plot.
gsn_streamline_map	Creates and draws a streamline plot over a map.
gsn_streamline_scalar	Creates and draws a streamline plot colored by a given scalar field.
gsn_streamline_scalar_map	Creates and draws a streamline plot over a map, and colors the streamlines using the given scalar field.
gsn_table	Draws a table with text.
gsn_text	Draws text strings on the given plot.
gsn_text_ndc	Draws text strings on the given workstation.
gsn_vector	Creates and draws a vector plot.
gsn_vector_map	Creates and draws a vector plot over a map.
gsn_vector_scalar	Creates and draws a vector plot colored by a given scalar field.
gsn_vector_scalar_map	Creates and draws a vector plot over a map, and colors the vectors using the given scalar field.
gsn_xy	Creates and draws an XY plot.
gsn_y	Creates and draws an XY plot, using index values for the X axis.
infoTimeStamp	Draws two text strings at the bottom of the workstation to indicate the time the plot was created and other information.
maximize_output	Maximizes the sizes of a series of plots drawn in a single frame.
msgValOutline	Draws an outline around missing data in vector and streamline plots.
ngezlogo	Draws the NCAR logo in the lower right corner of the given workstation.
nggetp	Retrieves values for various parameters for the NCAR ngezlogo procedure.
nglogo	Draws various NCAR and UCAR logos on the given workstation.
ngsetp	Sets values for various parameters for the NCAR ngezlogo procedure.
NhlAddAnnotation	Add annotations to a plot object as an external annotation.
NhlAddOverlay	Overlays one plot object on another.
NhlAddPrimitive	Adds a Primitive object to an existing plot.
NhlDataPolygon	Draws a polygon using data coordinates.
NhlDataPolyline	Draws a polyline using data coordinates.
NhlDataPolymarker	Draws polymarkers using data coordinates.
NhlDraw	Draws the given graphical objects.
NhlNDCPolygon	Draws a polygon using NDC (Normalized Device Coordinate) units.
NhlNDCPolyline	Draws a polyline using NDC (Normalized Device Coordinate) units.
NhlNDCPolymarker	Draws polymarkers using NDC (Normalized Device Coordinate) units.
NhlNewDashPattern	Adds new dash patterns to the existing table of dash patterns.
NhlNewMarker	Adds new markers to the existing table of markers.
NhlRemoveAnnotation	Remove annotations from the plot they are registered in.
NhlRemoveOverlay	Removes one or more plots from an overlay.
NhlRemovePrimitive	Removes one or more primitives from the given Transform object.
NhlSetDashPattern	Sets the dash patterns for a given list of dash pattern indexes and workstations.
NhlSetMarker	Sets the markers for a given list of marker indexes and workstations.
overlay	Overlays one plot object on another.
paleo_outline	Creates continental outlines from model orography data.
pie_chart	Creates a basic pie chart.
reset_device_coordinates	Resets the PS/PDF device coordinates back to their default values.
setColorContourClear	Sets the color contours between two given levels to transparent.
ShadeCOI	Adds the cone of influence as a shaded polygon.
ShadeGeLeContour	Shades contour regions given low and high values and a shade pattern. (Deprecated. Use gsn_contour_shade.)
ShadeGtContour	Shades contour regions above a given value with the given fill pattern. (Deprecated. Use gsn_contour_shade.)
ShadeLtContour	Shades contour regions below a given value with the given fill pattern. (Deprecated. Use gsn_contour_shade.)
ShadeLtGtContour	Shades contour regions below a given value and above a given value with the specified fill patterns. (Deprecated. Use gsn_contour_shade.)
simple_legend	Creates a legend based on user supplied resources.
simple_legend_ndc	Creates a legend in NDC space based on user supplied resources.
skewT_BackGround	Creates a background chart for Skew T, Log P plotting.
skewT_PlotData	Plot a sounding and (optionally) winds on Skew T, Log P charts created by skewT_BackGround.
symMinMaxPlt	Calculates the minimum/maximum values for a variable and uses nice_mnmxintvl to calculate the symmetric contour interval.
tdclrs	Defines a set of colors for use with selected TDPACK routines.
tdctri	Cuts the triangles in a triangle list with a plane perpendicular to an axis (for use with selected TDPACK routines).
tdcudp	Not yet implemented.
tdcurv	Draws the projection of a curve defined by an array of points in 3-space.
tddtri	Draws triangles defined by a triangle list (for use with selected TDPACK routines).
tdez2d	Draws a surface on the specified workstation.
tdez3d	Draws an isosurface on the specified workstation.
tdgetp	Retrieves TDPACK parameter values.
tdgrds	Draws perimeters, ticks, and grid lines on the six sides of a box (for use with selected TDPACK routines).
tdgrid	Draws a grid on a particular face of a box in 3-space (for use with selected TDPACK routines).
tdgtrs	Gets the definition of a specified rendering style (for use with selected TDPACK routines).
tdinit	Defines eye position, line of sight, up direction, and stereo flag for selected TDPACK routines.
tditri	Adds triangles defining an isosurface to a triangle list (for use with selected TDPACK routines).
tdlbla	Draws labels for a particular face of a box in 3-space (for use with selected TDPACK routines).
tdlblp	Not yet implemented.
tdlbls	Draws labels for all faces of a box in 3-space (for use with selected TDPACK routines).
tdline	Draws the projection of a solid line in 3-space (for use with selected TDPACK routines).
tdlndp	Not yet implemented.
tdlnpa	Draws the projection of a line joining two points in the reference parallelogram (for use with selected TDPACK routines).
tdlpdp	Not yet implemented.
tdmtri	Adds triangles defining a 3D marker to a triangle list for use with selected TDPACK routines.
tdotri	Orders the triangles in a triangle list for proper rendering (for use with selected TDPACK routines).
tdpara	Defines the reference parallelogram for use with selected TDPACK routines.
tdplch	Draws a string in the plane of the reference parallelogram (for use with selected TDPACK routines).
tdprpa	Retrieves the coordinates of a projection in the projection plane, given the parallelogram coordinates of a point (for use with selected TDPACK routines).
tdprpi	Retrieves the parallelogram coordinates of a point in the reference parallelogram, given a point in the projection plane (for use with selected TDPACK routines.)
tdprpt	Retrieves the coordinates of its projection in the projection plane, given the coordinates of a point in 3-space (for use with selected TDPACK routines).
tdsetp	Sets TDPACK parameter values.
tdsort	Sorts an array (for use with selected TDPACK routines).
tdstri	Adds triangles defining a simple surface to a triangle list (for use with selected TDPACK routines).
tdstrs	Sets the values defining a selected rendering style (for use with selected TDPACK routines).
tdttri	Adds triangles defining a trajectory to a triangle list (for use with selected TDPACK routines).
WindRoseBasic	Plots a basic wind rose.
WindRoseColor	Plot a wind rose diagram where different colors are used to differentiate speed ranges.
WindRoseThickLine	Plot a black and white wind rose diagram where different line thicknesses are used to differentiate speed ranges.
wmbarb	Draws wind barbs on the given workstation.
wmbarbmap	Draws wind barbs over maps.
wmdrft	Draws weather front lines on the given workstation.
wmgetp	Retrieves parameter values for selected Wmap routines.
wmlabs	Plots special symbols and icons for daily weather.
wmsetp	Sets parameter values for selected Wmap routines.
wmstnm	Plots station model data on the given workstation.
wmvect	Draws vectors on the given workstation.
wmvectmap	Draws vectors over maps.
wmvlbl	Draws an informational label box for plots produced by wmvect or wmvectmap.
wrf_contour	Creates a contour plot from ARW WRF model output.
wrf_map	Creates a map background for ARW WRF model data.
wrf_map_overlay	Overlays WRF plot(s) on a WRF-ARW map background (deprecated).
wrf_map_overlays	Overlays contour and vector plots on a WRF-ARW map background.
wrf_map_resources	Sets map plotting resources based on an input WRF-ARW file.
wrf_map_zoom	Zooms into a portion of the ARW WRF model domain, and creates a map background (deprecated).
wrf_overlay	Overlays multiple plots created from other WRF-ARW plot functions (deprecated).
wrf_overlays	Overlays multiple plots, created from other ARW WRF plot functions.
wrf_vector	Creates a vector plot from ARW WRF model output.