NCL Website Tourhttp://www.ncl.ucar.edu

NCL Website Tourhttp://www.ncl.ucar.edu

NCL Website Tour http://www.ncl.ucar.edu/NCL Website Tour http://www.ncl.ucar.edu/

NCL Website Tour• Overview, downloading, what’s new• FAQ• Examples page - hundreds of examples• Functions and procedures• Graphical resources, color tables, font tables,

other useful graphics links• Tools (ncl_convert2nc, ncl_filedump)• PDF Manuals, Reference Manual, PowerPoint

slides• Training exercises, step-by-step examples

NCL Website Tour http://www.ncl.ucar.edu/NCL Website Tour http://www.ncl.ucar.edu/

Overview of NCLNCL->Overview

• High level overview of NCL• What external software it uses

http://www.ncl.ucar.edu/overview.shtml

NCL Website Tour http://www.ncl.ucar.edu/NCL Website Tour http://www.ncl.ucar.edu/

Downloading NCL• Must register on Earth System Grid

(one time, license agreement required)• Both binaries and source code available• Open source• Source code build not trivial!

Detailed instructions available.I can help!

http://www.ncl.ucar.edu/Download/

NCL Website Tour http://www.ncl.ucar.edu/NCL Website Tour http://www.ncl.ucar.edu/

• Probably the page you will visit the most• Hundreds of examples for downloading• Several data files available:

http://www.ncl.ucar.edu/Applications/Data/• Important links at top of page:

[tips, resources, functions/procedures]• Link to “.hluresfile”

Examples

http://www.ncl.ucar.edu/Applications/

NCL Website Tour http://www.ncl.ucar.edu/NCL Website Tour http://www.ncl.ucar.edu/

Frequently Asked Questions (FAQ)Support->FAQ

• A good learning tool• Some basic questions:“How do I run NCL?” to

more complex: “How do I overlay contours on a map?”

• Lots of sample code snippets provided• Categorized, but questions may not be in

category you’re expecting.For example, “error messages” versus “visualization”

• Feel free to contribute suggestions!

http://www.ncl.ucar.edu/FAQ/

NCL Website Tour http://www.ncl.ucar.edu/NCL Website Tour http://www.ncl.ucar.edu/

Functions/Resources• Functions listed in several formats:

– Alphabetical– By category (graphics, interpolation, CCSM)– By type (built-in, contributed, gsn, etc.)

• Resources grouped by type (XY plot, contours, titles, labelbar, maps, gsn, etc)

http://www.ncl.ucar.edu/Document/Functions/ http://www.ncl.ucar.edu/Document/Graphics/Resources/

NCL Website Tour http://www.ncl.ucar.edu/NCL Website Tour http://www.ncl.ucar.edu/

Color tablesNCL-Popular Links->Color Tables

• How to change/create your own color table• Using named colors• Images of available color tables

http://www.ncl.ucar.edu/Document/Graphics/color_tables.shtml

NCL Website Tour http://www.ncl.ucar.edu/NCL Website Tour http://www.ncl.ucar.edu/

Popular links• .hluresfile• Markers• Dash patterns• Font tables• Color tables, functions, resources, etc.

http://www.ncl.ucar.edu/links.shtml

NCL Website Tour http://www.ncl.ucar.edu/NCL Website Tour http://www.ncl.ucar.edu/

ToolsPopular Links->Tools

• ncl_convert2nc• ncl_filedump• WRAPIT• scrip_check_input

http://www.ncl.ucar.edu/Tools/

NCL Website Tour http://www.ncl.ucar.edu/NCL Website Tour http://www.ncl.ucar.edu/

http://www.ncl.ucar.edu/Document/Manuals/

• Mini-language and mini-graphics manuals (PDF)• Comprehensive NCL Reference Manual• Getting Started Guide (old, but useful)

Manuals (PDF, HTML)Popular Links->Documentation

NCL Website Tour http://www.ncl.ucar.edu/NCL Website Tour http://www.ncl.ucar.edu/

WRF GraphicsExamples->Models->WRF

http://www.ncl.ucar.edu/Applications/wrf.shtml

http://www.mmm.ucar.edu/wrf/OnLineTutorial/Graphics/NCL/

NCL Website Tour http://www.ncl.ucar.edu/NCL Website Tour http://www.ncl.ucar.edu/

PyNGL and PyNIO: Python modules

• PyNGL (Python interface to NCL’s graphical library)http://www.pyngl.ucar.edu

• PyNIO (Python interface to NCL’s file I/O capabilities)http://www.pyngl.ucar.edu/Nio.shtml

• Exercises (new!) http://www.pyngl/ucar.edu/Training/Exercises/

NCL Website Tour http://www.ncl.ucar.edu/NCL Website Tour http://www.ncl.ucar.edu/

Email listsSupport->Email Lists

• ncl-talk - for questions about using NCL, bug reports, announcements of new versions

• ncl-install - for questions on building or installing NCL, or setting up your environment to run it

• pyngl-talk - for all questions on PyNGL and PyNIO

http://www.ncl.ucar.edu/Support/email_lists.shtml

NCL Website Tour http://www.ncl.ucar.edu/NCL Website Tour http://www.ncl.ucar.edu/

Workshop stuffSupport->Workshops->Useful Links

• PowerPoint slides• Example scripts used in graphics lecture• Step-by-step graphical exercises• Sample data files

http://www.ncl.ucar.edu/Training/Workshops/

NCL Website Tour http://www.ncl.ucar.edu/NCL Website Tour http://www.ncl.ucar.edu/

Useful link for workshop

http://www.ncl.ucar.edu/Training/Workshops/links.shtml