Ngl.polygon_ndc

Draws a filled polygon on the viewport.

Prototype

Ngl.polygon_ndc(wks, x, y, res=None)

Arguments

The identifier returned from calling Ngl.open_wks.

One-dimensional NumPy arrays or Python lists containing the x, y NDC coordinates of the polygon.

An (optional) instance of the Resources class having GraphicStyle resources as attributes.

Return value

Description

This procedure draws a filled polygon on the viewport of the requested workstation. x and y are 1-dimensional arrays (these can be Python lists or tuples, or NumPy arrays) defining the coordinates of the polygon in NDC space, and resources can optionally contain an unlimited number of GraphicStyle attributes that are resource names and their values.

The frame is not advanced when you call this procedure, so you need to call Ngl.frame yourself if you want to advance the frame.

There is no automatic handling of fill values. See the FAQ, How do I set a missing value for my data?

See Also

Ngl.polymarker_ndc, Ngl.polyline_ndc, Ngl.add_polygon, Ngl.polygon, Ngl.draw_ndc_grid

Examples

See the example color4.py and its output and the example traj1.py and its output.