[ncl-talk] overlaying of two polar maps

[Arnold.Sullivan at csiro.au]

Many thanks Will!!

From: Will Hobbs [mailto:Will.Hobbs at utas.edu.au]
Sent: Friday, 22 May 2015 11:28 AM
To: Sullivan, Arnold (O&A, Aspendale); ncl-talk at ucar.edu
Subject: Re: [ncl-talk] overlaying of two polar maps

Arnold

Use the gsn_csm_contour(*) function to create the second plot, and then overlay:

> map1 = gsn_csm_contour_map(wks, data1, res1)
>map2 = gsn_csm_contour(wks,data2,res2)
>overlay(map1, map2)

This is demonstrated in a number of examples on the 'overlay plot' examples page.

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

Will

From: "Arnold.Sullivan at csiro.au<mailto:Arnold.Sullivan at csiro.au>" <Arnold.Sullivan at csiro.au<mailto:Arnold.Sullivan at csiro.au>>
Date: Friday, 22 May 2015 11:23 AM
To: "ncl-talk at ucar.edu<mailto:ncl-talk at ucar.edu>" <ncl-talk at ucar.edu<mailto:ncl-talk at ucar.edu>>
Subject: [ncl-talk] overlaying of two polar maps

Hi there,

Since we are not allowed to use any gsn_csm_*_map plotting functions to create the 2nd input in overlay, so how can we overlay two polar maps? Any trick?

Say the base is the Antarctic ice, and the second one is the mask both at polar region, and I would like to use the second plot overlay on to the first plot.

Cheers,

Arnold


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