Source code NCL functions and procedures

All of the following functions are written in NCL source code. To use these you must download the NCL script and use the load command to access them.

General NCL functions and procedures

Procedures

• copy_filevaratts - copies file variable attributes to a variable
• copy_filevarcoords - copies file variable coordinate variables to a variable
• copy_filevardims - copies file variable dimensions to a variable
• copy_varcoords - copies coordinate variables from one variable to another
• copy_varatts - copies variable attributes from one variable to another
• copy_vardims - copies variable dimension names from one variable to another

Functions

NCL math functions

Functions

• sm11tr - 11 point Trenbreth filter.
• smooth92d - 9 point 2D smoothing function
• vor - computes kinetic vorticity

Plotting functions and procedures

Functions

• hsv2rgb - converts from HSV color model to RGB color model.

Procedures

• bigger - makes a plot bigger
• centerat - centers a plot at a given point
• map_corners - returns the lat/lon coordinate of the corners of a map projection
• mapzoom - given a lat/lon center point, zooms in on that point
• move - moves a plot by NDC offsets
• moveto - moves a plot to a specific location in NDC units.
• setaspect - sets the aspect ratio of a plot
• plotcolors - plots the current color table
• zoom - zooms in on a plot

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