GRADS绘图实例教程.doc

500mb高度场等直线图
.gs文件
*
* Draw the SST and nhc000
*
'reinit'
'enable print '
'clear'
'open '
'set dfile 1'
'set vpage 10. '
'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 csmooth on'
'set csmooth on'
'set csmooth on'
'set csmooth on'
'set csmooth on'
'set csmooth on'
'set csmooth on'
'set clopts -1 -1 '
'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 '
'draw string Global 500mb Geopotential Height Field'
'print'
pull dummy
.ctl文件
DSET
TITLE height
FORMAT yrev
UNDEF -
XDEF 145 LINEAR 0.
YDEF 73 LINEAR -90.
ZDEF 1 LINEAR 1 1
TDEF 1 LINEAR jan1960 1mo
VARS 1
RSST55 0 99
ENDVARS
图形
降水异常场
.gs文件
*
* Draw Precipitation Anomalous Field
*
'reinit'
'enable print '
'clear'
'open '
'set dfile 1'
'set vpage '
'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 csmooth on'
'set csmooth on'
'set csmooth on'
'set csmooth on'
'set csmooth on'
'set csmooth on'
'set csmooth on'
'set gxout shaded'
'set cmin 0'
'set grads off'
'd ps'
'set cint 1.'
'set clopts -1 -1 '
'set xlint 20.'
'set ylint 10.'
'set gxout contour'
'olor rainbow'
'set clab forced'
'set csmooth on'
'set csmooth on'
'set csmooth on'
'set csmooth on'
'set csmooth on'
'set csmooth on'
'set csmooth on'
'set csmooth on'
'set cthick 6'
'd ps'
'set string 3 c 4 0'
'set strsiz '
'draw string 8. The Summer Precipitation Difference of 54-63 and 67-76 (interval = 1.) '
'print'
pull dummy
.ctl文件
DSET
TITLE Precipitation
UNDEF -
XDEF 145 LINEAR -180.
YDEF 73 LINEAR -90.
ZDEF 1 LINEAR 1 1
TD