PyNGL Home > Functions

Graphics routines

Ngl.add_polygon Adds a polygon to an existing plot.
Ngl.add_polyline Adds a polyline to an existing plot.
Ngl.add_polymarker Adds polymarkers to an existing plot.
Ngl.add_text Adds a text string to an existing plot.
Ngl.blank_plot Creates a blank plot.
Ngl.contour Creates and draws a contour plot.
Ngl.contour_map Creates and draws a contour plot over a map.
Ngl.draw_ndc_grid Draws and labels grid lines at 0.1 NDC intervals.
Ngl.get_bounding_box Retrieves the NDC bounding box values for the given object.
Ngl.labelbar_ndc Draws a labelbar anywhere in the viewport.
Ngl.legend_ndc Draws a legend anywhere in the viewport.
Ngl.map Creates and draws a map.
Ngl.new_dash_pattern Adds new dash patterns to the existing table of dash patterns.
Ngl.new_marker Adds new markers to the existing table of markers.
Ngl.panel Draws multiple plots of identical size on a single frame.
Ngl.polygon Draws a polygon on an existing plot.
Ngl.polygon_ndc Draws a filled polygon on the viewport.
Ngl.polyline Draws a polyline on an existing plot.
Ngl.polyline_ndc Draws a polyline on the viewport.
Ngl.polymarker Draws polymarkers on an existing plot.
Ngl.polymarker_ndc Draws polymarkers on the viewport.
Ngl.skewt_bkg Creates a background chart for Skew T, Log P plotting.
Ngl.skewt_plt Plots soundings and (optionally) winds on Skew T, Log P charts created by Ngl.skewt_bkg.
Ngl.streamline Creates and draws a streamline plot.
Ngl.streamline_map Creates and draws a streamline plot over a map.
Ngl.streamline_scalar Creates and draws a streamline plot with the streamlines colored by a scalar field.
Ngl.streamline_scalar_map Creates and draws streamlines, colored by a scalar field, over a map.
Ngl.text Draws a text string on an existing plot.
Ngl.text_ndc Draws a text string on the viewport.
Ngl.vector Creates and draws a vector plot.
Ngl.vector_map Creates and draws a vector plot over a map.
Ngl.vector_scalar Creates and draws a vector plot with the vectors colored by a scalar field.
Ngl.vector_scalar_map Creates and draws vectors, colored by a scalar field, over a map.
Ngl.wmbarb Draws wind barbs at specified locations.
Ngl.wmbarbmap Draws wind barbs over maps at specified locations.
Ngl.wmgetp Retrieves control parameter values for Ngl.wmxxxx procedures.
Ngl.wmsetp Sets control parameter values for Ngl.wmxxxx procedures.
Ngl.wmstnm Draws station model data.
Ngl.xy Creates and draws an XY plot.
Ngl.y Creates and draws an XY plot using index values for the X axis.