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Scalar variable assignment ; Explicit scalar assignment ndys = 30 ; integer x_f = 2983.599918 ; float pi = 3.14159265358979d ; double ll = 32676l ; long ishort = 10h ; short NCL & WRF-NCL � WRF User’s User s Event � June 22-25, 2010 Use “literals” to force type done = True ; logical (False) long_name = “Water Vapor” ; string New types introduced in NCL V5.2.0
Mixing types ; Mixing types, “largest” type used i = 7/10 ; integer (i=0) x = 7/10. ; float (x=0.7) y = (22./7)/2d ; double (1.571428537368774) z = (i+5) * x ; float (z=3.5) ; Use “+” for string concatenation s1 = “hello” s2 = “world” s3 = s1 + “, “ + s2 ; s3 = “hello, world” j = 2 s = “var_“ + (j+1) + “_f” ; s = “var_3_f” NCL & WRF-NCL � WRF User’s User s Event � June 22-25, 2010
Page 1 and 2: Post-processing WRF-ARW Data with t
Page 3 and 4: • Overview • NCL basics • Fil
Page 5 and 6: WRF-NCL A suite of analysis and vis
Page 7 and 8: NCL: File input and output • Data
Page 9: NCL: Visualization • High-quality
Page 22 and 23: A T-S diagram is a graph showing th
Page 24 and 25: Based on a visualization of Adam Ph
Page 26 and 27: John Fasullo, NCAR/CGD
Page 29 and 30: CCMVal Workshop 2009 � June 1-5,
Page 33: load “$NCARG_ROOT/lib/ncarg/nclsc
Page 37 and 38: Arrays • Row major. . . like C/C+
Page 39 and 40: Special functions for arrays ; Very
Page 41 and 42: Missing values (_FillValue attribut
Page 43 and 44: File and variable attributes ; Use
Page 45 and 46: Array reorder, reshape, reverse ; R
Page 47 and 48: Array index subscripting, : and ::
Page 51 and 52: KHDIF : 0 KVDIF : 0 MP_PHYSICS : 3
Page 53 and 54: float V ( Time, bottom_top, south_n
Page 55 and 56: Back to NCL scripts: Two ways to re
Page 57 and 58: Reading (and examining) a variable
Page 59 and 60: Creating a new variable & adding at
Page 62 and 63: WRF-NCL built-in functions Can use
Page 64 and 65: Other WRF-NCL “WRFUserARW.ncl”
Page 66 and 67: Other WRF-NCL “WRFUserARW.ncl”
Page 68 and 69: Modifying wrf_user_getvar function
Page 70 and 71: Step-by-step WRF-ARW visualizations
Page 72 and 73: NCL & WRF-NCL � WRF User’s User
Page 75 and 76: wrf_contour/wrf_vector Create line/
Page 77 and 78: wrf_map_overlays/wrf_overlays Overl
Page 79 and 80: http://www.mmm.ucar.edu/wrf/OnLineT
Page 83 and 84: Example F77 code: myTK.f C NCLFORTS
Page 85 and 86:
Calling Fortran 90 codes from NCL
Page 87 and 88:
Example F90 code: myTK.f90 + stub m
Page 89 and 90:
• Overview • NCL basics • Fil
Page 91 and 92:
Debugging tips • Start with an ex
Page 93 and 94:
• Overview • NCL basics • Fil
Page 95 and 96:
Customizing your NCL graphics envir
Page 97 and 98:
With and without a “.hluresfile
Page 99 and 100:
Useful URLS • Online WRF-NCL Grap
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