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GRADS绘图实例教程

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500mb高度场等直线图

.gs文件

* Draw the COR.COEF SST *

'reinit'

'enable print h9601.31'

'clear'

'open hs.ctl'

'set dfile 1'

'set vpage 0.5 10. 0.2 8.5'

and nhc000

'set lon 0. 360.'

'set lat -90. 90.'

'set mproj latlon'

'set mpdset mres'

'set poli off'

'set ylint 10.'

'set xlint 20.'

'set csmooth on'

'set clopts -1 -1 0.06'

'set clab forced'

'set cint 40.'

'set gxout contour'

'set cthick 4'

'set grads off'

'd rsst55'

'set string 3 c 5 0'

'set strsiz 0.14'

'draw string 4.5 7.5 1996.1.31 Global 500mb Geopotential Height Field'

'print'

pull dummy

.ctl文件

DSET h9601.31a

TITLE height

FORMAT yrev

UNDEF -9999.00

XDEF 145 LINEAR 0. 2.5

YDEF 73 LINEAR -90. 2.5

ZDEF 1 LINEAR 1 1

TDEF 1 LINEAR jan1960 1mo

VARS 1

RSST55 0 99 COR.COEF

ENDVARS

图形

降水异常场

.gs文件

* Draw Precipitation Anomalous Field

'reinit'

'enable print spad6754.met'

'clear'

'open prp.ctl'

'set dfile 1'

'set vpage 0.5 11.0 0.5 8.5'

'set lon -180. 180.'

'set lat -90. 90.'

'set mproj latlon'

'set mpdset mres'

'set poli off'

'set ylint 10.'

'set xlint 20.'

'set csmooth on'

'set gxout shaded'

'set cmin 0'

'set grads off'

'd ps'

'set cint 1.'

'set clopts -1 -1 0.05'

'set xlint 20.'

'set ylint 10.'

'set gxout contour'

'set ccolor rainbow'

'set clab forced'

'set csmooth on'

'set cthick 6'

'd ps'

'set string 3 c 4 0'

'set strsiz 0.14'

'draw string 5.2 8. The Summer Precipitation Difference of 54-63 and 67-76 (interval = 1.) '

'print'

pull dummy

.ctl文件

DSET spad54.67a

TITLE Precipitation

UNDEF -9999.0

XDEF 145 LINEAR -180. 2.5

YDEF 73 LINEAR -90. 2.5

ZDEF 1 LINEAR 1 1

TDEF 1 LINEAR jan1960 1mo

VARS 1

ps 0 99 COR.COEF

ENDVARS

图形

风速矢量场

.gs文件

'reinit'

'enable print uvd56.850'

'clear'

'open uw.ctl'

'open vw.ctl'

'set dfile 1'

'set grads off'

'set vpage 1. 8.5 0.2 5.8 '

'set lat -90 90'

'set lon 0 360'

'set t 1'

'set mproj scaled'

'set xlint 30'

'set ylint 30'

'set gxout vector'

'set arrscl 0.5 8'

*'set arrowhead 0.2'

*'set clab forced'

'set grads off'

'set grid off'

'set ylopts 1 5 0.12'

'set xlopts 1 5 0.12'

'set map 1 1 1'

'd skip(-u.1,2);(-v.2)'

*'d u.3;v.4'

'set string 4 tl 4'

'set strsiz 0.12 0.14'

'draw string 0.5 0.3 'print'

pull dummy

uw.ctl文件

850mb ud*vd for 1958-63 and 1967-76'

DSET ud85.56a

TITLE SURFACE PRESSURE AND WIND ANOMALY

FORMAT yrev

UNDEF -9996.00

XDEF 145 LINEAR 0 2.5

YDEF 73 LINEAR -90 2.5

ZDEF 1 LINEAR 1 1

TDEF 1 linear JAN00 1mo

VARS 1

u 0 99 u wind

ENDVARS

vw.ctl文件

DSET vd85.56a

TITLE SURFACE PRESSURE AND WIND ANOMALY

FORMAT yrev

UNDEF -9996.00

XDEF 145 LINEAR 0 2.5

YDEF 73 LINEAR -90 2.5

ZDEF 1 LINEAR 1 1

TDEF 1 linear JAN00 1mo

VARS 1

v 0 99 v wind

ENDVARS

图形

剖面流线图

.gs文件

'reinit'

'enable print uw35.met'

'clear'

'open uu.ctl'

'open wu.ctl'

'set vpage 0.5 11. 0.5 8.5'

'set lat 10'

'set lon 40 240'

'set vrange 1000 100 '

'set ylint -100'

'set zlog on'

'set gxout stream'

'set strmden 6'

'set z 1 12'

'set grads off'

'd uu.1;(-wu.2*30)'

'set strsiz 0.18 0.15'

'draw string 1.8 0.3 u*(-w*30) for 35N in July for 1980-1995 '

'print'

pull dummy

uu.ctl文件

DSET um.35a

TITLE SURFACE PRESSURE AND WIND ANOMALY

UNDEF -9996.00

YDEF 1 LINEAR 10 1

XDEF 81 LINEAR 40 2.5

ZDEF 12 Levels 1000 925 850 700 600 500 400 300 250 200 150 100

TDEF 1 linear JAN00 1mo

VARS 1

uu 12 99 v wind

ENDVARS

wu.ctl文件

DSET wm.35a

TITLE SURFACE PRESSURE AND WIND ANOMALY

UNDEF -9996.00

YDEF 1 LINEAR 10 1

XDEF 81 LINEAR 40 2.5

ZDEF 12 Levels 1000 925 850 700 600 500 400 300 250 200 150 100

TDEF 1 linear JAN00 1mo

VARS 1

wu 12 99 w wind

ENDVARS

图形

时间演变图

lat.gs文件

* Draw the Latitude-year section

'reinit'

'enable print tlatr20.met'

'clear'

'open lat.ctl'

'set dfile 1'

'set vpage 0.5 11. 0.5 8.5'

'set t 1 40'

'set lat -90 90'

'set lon 357.5'

'set ylint 5.'

'set xlint 5.'

'set csmooth on'

'set gxout shaded'

'set cmax 0.'

'set grads off'

'set xyrev on'

'set cint 0.5'

'set ccols 0 0 5 5 5 5 5 5 5 5 5'

'd ave(ps,lon=0,lon=357.5)'

'set clopts -1 -1 0.05'

'set xlint 5.'

'set ylint 5.'

'set gxout contour'

'set clab forced'

'set csmooth on'

'set cthick 4'

'set cint 0.5'

'set ccols 0 0 5 5 5 5 5 5 5 5 5'

'd ave(ps,lon=0,lon=357.5)'

'set string 3 c 4 0'

'set strsiz 0.18'

'set strsiz 0.10'

'draw string 6. 8.2 1958-96 summer 200mb Temperature Zonal Mean (0-357.5E,90S- 90N),interval=0.5 C'

'print'

pull dummy

lat.Ctl文件

DSET t20ar.40a

TITLE COR.COEF

FORMAT yrev

UNDEF -327.68

XDEF 144 LINEAR 0 2.5

YDEF 73 LINEAR -90 2.5

ZDEF 1 LEVELS 1000

TDEF 40 LINEAR jul1958 1yr

VARS 1

ps 0 99 COR.COEF

ENDVARS

图形

* Draw the COR.COEF SST and nhc000

'reinit'

'enable print tlonr20.met'

'clear'

'open lon.ctl'

'set dfile 1'

'set vpage 0.5 11. 0.5 8.5'

'set t 1 40'

'set lon 0 357.5'

'set lat -90'

'set ylint 10.'

'set xlint 5.'

'set csmooth on'

'set gxout shaded'

'set cmax 0.'

'set grads off'

'set xyrev on'

'set cint .3'

'set ccols 0 0 5 5 5 5 5 5 5 5 5'

'd ave(ps,lat=-90,lat=90)'

'set clopts -1 -1 0.05'

'set xlint 5.'

'set ylint 10.'

'set gxout contour'

*'set clab forced'

'set csmooth on'

'set cthick 4'

'set cint .3'

'set ccols 0 0 5 5 5 5 5 5 5 5 5'

'd ave(ps,lat=-90,lat=90)'

'set string 3 c 4 0'

'set strsiz 0.13'

'draw string 6. 8.2 1958-96 200mb Temperature Meridional Mean (0-357.5E,90S- 90N),interval=0.3 C'

'print'

pull dummy

lon.gs文件

* Draw the COR.COEF SST and nhc000

'reinit'

'enable print tlonr20.met'

'clear'

'open lon.ctl'

'set dfile 1'

'set vpage 0.5 11. 0.5 8.5'

'set t 1 40'

'set lon 0 357.5'

'set lat -90'

'set ylint 10.'

'set xlint 5.'

'set csmooth on'

'set gxout shaded'

'set cmax 0.'

'set grads off'

'set xyrev on'

'set cint .3'

'set ccols 0 0 5 5 5 5 5 5 5 5 5'

'd ave(ps,lat=-90,lat=90)'

'set clopts -1 -1 0.05'

'set xlint 5.'

'set ylint 10.'

'set gxout contour'

*'set clab forced'

'set csmooth on'

'set cthick 4'

'set cint .3'

'set ccols 0 0 5 5 5 5 5 5 5 5 5'

'd ave(ps,lat=-90,lat=90)'

'set string 3 c 4 0'

'set strsiz 0.13'

'draw string 6. 8.2 1958-96 200mb Temperature Meridional Mean (0-357.5E,90S- 90N),interval=0.3 C'

'print'

pull dummy

lon.ctl文件

DSET t20ar.40a

TITLE COR.COEF

FORMAT yrev

UNDEF -327.68

XDEF 144 LINEAR 0 2.5

YDEF 73 LINEAR -90 2.5

ZDEF 1 LEVELS 1000

TDEF 40 LINEAR jul1958 1yr

VARS 1

ps 0 99 COR.COEF

ENDVARS

图形

曲线图

.gs文件

'reinit'

'enable print sahan2.met'

'clear'

'open sah1.ctl'

'set dfile 1'

'set vpage 0.5 11. 0.5 8.5'

'set csmooth on'

'set gxout line'

'set t 1 14'

'set vrange 52.0 62.0'

'set xaxis 1984 1997 5'

'set cmark 2'

'set cstyle 2'

'set csmooth on'

'set cthick 6'

'set grads off'

'd pr4'

'set string 3 c 4 0'

'set strsiz 0.20'

'print'

pull dummy

.ctl文件

DSET sahr2.01a

TITLE COR.COEF

UNDEF -9999.99

XDEF 1 LINEAR 1 1

YDEF 1 LINEAR 1 1

ZDEF 1 LINEAR 1 1

TDEF 14 LINEAR jan1900 1yr

VARS 1

pr4 0 99 COR.COEF

ENDVARS

图形

一页多图

.gs文件

* Draw line

'Reinit’

'enable print awi2.met'

'clear'

'open aam.ctl'

'open am1.ctl'

'open am2.ctl'

'open am3.ctl'

'set dfile 1'

'set vpage 0.5 10.5 0.5 8.0'

'set gxout line'

'set t 1 90'

'set vrange -110. 190.'

'set xaxis 1900 19 10'

*'set yaxis -140. 200. 50.'

'set cmark 0'

'set cstyle 1'

'set csmooth on'

'set cthick 6'

'd rsst55'

'set dfile 2'

'set vpage 0.5 10.5 0.5 8.0'

'set gxout line'

'set t 1 90'

'set vrange -110. 190.'

'set xaxis 1900 19 10'

*'set yaxis -140. 200. 50.'

'set cmark 0'

'set cstyle 2'

'set csmooth on'

'set cthick 6'

'd rsst55'

'set dfile 3'

'set vpage 0.5 10.5 0.5 8.0'

'set gxout line'

'set t 1 90'

'set vrange -110. 190.'

'set xaxis 1900 19 10'

*'set yaxis -130. 120. 100.'

'set cmark 0'

'set cstyle 3'

'set csmooth on'

'set cthick 6'

'd rsst55'

'set dfile 4'

'set vpage 0.5 10.5 0.5 8.0'

'set gxout line'

'set t 1 90'

'set vrange -110. 190.'

'set xaxis 1900 19 10'

*'set yaxis -130. 120. 100.'

'set cmark 0'

'set cstyle 5'

'set csmooth on'

'set cthick 6'

'd rsst55'

'set string 3 c 4 0'

'set strsiz 0.17'

'draw string 6.0 8.0 'set grads off'

Asia-Africa Summer Precipitation Anomalies Time Series '

'print'

pull dummy

aam.ctl文件

DSET uam.39a

TITLE COR.COEF

UNDEF -9999.99

XDEF 1 LINEAR 1 1

YDEF 1 LINEAR 1 1

ZDEF 1 LINEAR 1 1

TDEF 39 LINEAR jan1900 1yr

VARS 1

RSST55 0 99 COR.COEF

ENDVARS

am1.ctl文件

DSET ssr.01a

TITLE COR.COEF

UNDEF -9999.99

XDEF 1 LINEAR 1 1

YDEF 1 LINEAR 1 1

ZDEF 1 LINEAR 1 1

TDEF 96 LINEAR jan1900 1yr

VARS 1

sar 0 99 COR.COEF

ENDVARS

am2.ctl文件

DSET csr.01a

TITLE COR.COEF

UNDEF -9999.99

XDEF 1 LINEAR 1 1

YDEF 1 LINEAR 1 1

ZDEF 1 LINEAR 1 1

TDEF 96 LINEAR jan1900 1yr

VARS 1

chr 0 99 COR.COEF

ENDVARS

am3.ctl文件

DSET wwi1.40a

TITLE COR.COEF

UNDEF -9999.99

XDEF 1 LINEAR 1 1

YDEF 1 LINEAR 1 1

ZDEF 1 LINEAR 1 1

TDEF 40 LINEAR jan1900 1yr

VARS 1

RSST55 0 99 COR.COEF

ENDVARS

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