Webinars: Introduction to NCL Graphics
These webinars are similar to the "NCL Graphics" lecture we give in our NCL workshops, but with more material covered and interactive demos given. They are geared towards new users of NCL, but assume you have basic knowledge of NCL syntax and NCL file I/O.If you are completely new to NCL, we recommend that you watch this set of webinars first:
NCL Graphics webinars
- Introduction to NCL Graphics - the basics, and creating XY plots
- Introduction to NCL Graphics - creating contour plots from NetCDF data
- Introduction to NCL Graphics - vector plots and overlays
- Introduction to NCL Graphics - paneling plots
- Introduction to NCL Graphics - primitives
Description
Webinar #1: Introduction to NCL Graphics - the basics, and creating XY plots
September 26, 2014 at 10:00 AM MDT
Mary Haley, presenter
Lecture slides as a PDF file
Visualization image slides as a PDF file (50 MB file)
Recorded presentation as an MP4 file (59 minutes)
This webinar is a beginner's introduction to NCL graphics. It covers:
- an overview of the types of graphics you can generate with NCL
- the basic structure of an NCL graphics script
- details on NCL graphical "resources"
- interactive demos of creating XY plots
Links, data files, and script template mentioned in lecture
- xy_template.ncl - script used
to start the demo (uv300.nc data file)
- xydemo.ncl - script created in demo
- UNIX editor enhancements for NCL scripts
- NCL graphics exercises
- Example scripts used in graphics lectures
Webinar #2: Introduction to NCL Graphics - creating contour plots from NetCDF data
September 26, 2014 at 1:00 PM MDT
Mary Haley, presenter
Lecture slides as a PDF file
Recorded presentation as an MP4 file (59 minutes)
This webinar is an introduction to creating contour plots of NetCDF data using NCL. It covers:
- how to create basic contour plots
- how to create contours over maps
- how to change the color map
- interactive demos of creating contour plots
Links, data files, and script template mentioned in lecture
- contour_map_template.ncl
- script used to start the demo
- contourdemo.ncl - script
created in demo (it was called "c.ncl" in the video)
- uv300.nc - data file for template script
- Example scripts used in graphics lectures
- Tstorm.cdf - data file used in lecture
- UNIX editor enhancements for NCL scripts
- NCL graphics exercises
Webinar #3: Introduction to NCL Graphics - vector plots and overlays
Monday, November 10, 2014 at 10:30 AM MST
Mary Haley, presenter
Lecture slides as a PDF file
Recorded presentation as an MP4 file (1 hour)
Scripts and data files referenced in webinar
This 1-hour presentation explains how to create vector and overlay plots using NCL. It includes:
- how to read data from NetCDF files and create vector plots over maps
- how to use the overlay procedure, which enables you to easily overlay vectors, contours, and XY plots on other plots or NCL maps
- a demo of creating vectors over a map
- a demo of drawing vectors over filled contours over a map
You must have familiarity with NCL syntax, file I/O, and creating basic plots. You can watch the first two "Introduction to NCL Graphics" webinars in this series (mentioned above) and the other introductory NCL webinars mentioned on the main NCL webinar page.
Webinar #4: Introduction to NCL Graphics - paneling plots
Tuesday, November 18, 2014 @ 10:30 AM (MST)
Mary Haley, presenter
Lecture slides as a PDF file
Scripts and data files used in webinar
Recorded presentation as an MP4 file (58 minutes)
This presentation explains how to draw multiple plots on a page using gsn_panel. It includes:
- a description of paneling plots
- one or more demos of creating panel plots
- information on examples and debugging panel plots
You must have familiarity with NCL syntax, file I/O, and creating NCL plots. You can watch the other "Introduction to NCL Graphics" webinars in this series (mentioned above) and the other introductory NCL webinars mentioned on the main NCL webinar page.
Webinar #5: Introduction to NCL Graphics - primitives
Wednesday, November 19, 2014 @ 10:30 AM (MST)
Mary Haley, presenter
Lecture slides as a PDF file
Scripts and data files used in webinar
Recorded presentation as an MP4 file (1 hour, 5 minutes)
This presentation explains how to add primitives (text, lines, markers, polygons) to existing NCL plots or to the "NDC" space. It covers:
- a brief description of primitives
- one or more demos of drawing primitives
You must have familiarity with NCL syntax, file I/O, and creating basic plots. You can watch the other "Introduction to NCL Graphics" webinars in this series (mentioned above) and the other introductory NCL webinars mentioned on the main NCL webinar page.