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plotdrops.gs
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plotdrops.gs
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'open ens.ctl'
'set grads off'
fname='points'
fname2='hurrloc'
fname3='stnlist0012'
fname4='stnlist00'
fname5='stnlist12'
'set mpdset hires'
i=1
nst = 0
while (1)
res = read(fname)
rc = sublin(res,1)
if(rc != 0)
if(rc = 2)
say 'End of points file'
say nst' flights to be plotted'
say ' '
break
endif
if(rc = 1); say 'rc=1: OPEN ERROR FOR 'fname; endif
if(rc = 8); say 'rc=8: 'fname' OPEN FOR WRITE ONLY'; endif
if(rc = 9); say 'rc=9: I/O ERROR FOR 'fname; endif
return 99
endif
nst = nst + 1
_points.nst = sublin(res,2)
endwhile
nsth = 0
while (1)
res = read(fname2)
rc = sublin(res,1)
if(rc != 0)
if(rc = 2)
say ' '
break
endif
if(rc = 1); say 'rc=1: OPEN ERROR FOR 'fname2; endif
if(rc = 8); say 'rc=8: 'fname2' OPEN FOR WRITE ONLY'; endif
if(rc = 9); say 'rc=9: I/O ERROR FOR 'fname2; endif
return 99
endif
nsth = nsth + 1
_hurrloc.nsth = sublin(res,2)
endwhile
rc = close(fname)
rc = close(fname2)
rc = getbounds(nst)
'set lat '_southlat' '_northlat
'set lon '_westlon' '_eastlon
'set cmin 0'
'set cmax 0'
'd pressfc'
'set line 3 1 6'
ist = 1
while(ist<=nst)
i = 0
while(1)
ret=read(_points.ist)
rc = sublin(ret,1)
if(rc = 2)
break
endif
rec = sublin(ret,2)
xlatll=subwrd(rec,1)
xlonll=-subwrd(rec,2)
turn=substr(rec,18,1)
'query ll2xy 'xlonll' 'xlatll
xdum=sublin(result,1)
xlonxy=subwrd(xdum,1)
xlatxy=subwrd(xdum,2)
if(turn != T)
if(i > 0)
'draw mark 3 'xlonxy' 'xlatxy' 0.175'
'set strsiz 0.15 0.15'
'draw string 'xlonxy+0.08' 'xlatxy+0.08' 'i
'draw line 'xlonold' 'xlatold' 'xlonxy' 'xlatxy
endif
else
if(i = 0)
xlonold=xlonxy
xlatold=xlatxy
endif
'draw line 'xlonold' 'xlatold' 'xlonxy' 'xlatxy
i=i-1
endif
xlonold=xlonxy
xlatold=xlatxy
i=i+1
endwhile
ist = ist + 1
endwhile
xdum=sublin(result,1)
leglon=subwrd(xdum,1)
leglat=subwrd(xdum,2)
modstring='Dropwindsonde'
'query ll2xy '_westlon' '_southlat
'set string 3'
ist = 1
while (ist <= nst)
ret=read(_hurrloc.ist)
rec = sublin(ret,2)
xlatll=subwrd(rec,1)
xlonll=subwrd(rec,2)
'query ll2xy 'xlonll' 'xlatll
xdum=sublin(result,1)
xlonxy=subwrd(xdum,1)
xlatxy=subwrd(xdum,2)
'draw wxsym 41 'xlonxy' 'xlatxy' 0.630'
ist = ist + 1
endwhile
'set line 2'
while (1)
ret=read(fname3)
rc = sublin(ret,1)
if(rc = 2)
break
endif
rec = sublin(ret,2)
xlatll=subwrd(rec,1)
xlonll=subwrd(rec,2)
if (xlonll <= _eastlon)
if(xlonll >= _westlon)
if(xlatll <= _northlat)
if(xlatll >= _southlat)
'query ll2xy 'xlonll' 'xlatll
xdum=sublin(result,1)
xlonxy=subwrd(xdum,1)
xlatxy=subwrd(xdum,2)
'draw mark 3 'xlonxy' 'xlatxy' 0.175'
endif
endif
endif
endif
endwhile
'query ll2xy '_westlon' '_southlat
xdum=sublin(result,1)
leglon=subwrd(xdum,1)
leglat=subwrd(xdum,2)
modstring='00 and 12 UTC Rawinsonde'
'set string 2'
'draw mark 3 'leglon+0.2' 'leglat+0.4' 0.150'
'draw string 'leglon+0.35' 'leglat+0.35' 'modstring
'set line 5'
while (1)
ret=read(fname4)
rc = sublin(ret,1)
if(rc = 2)
break
endif
rec = sublin(ret,2)
xlatll=subwrd(rec,1)
xlonll=subwrd(rec,2)
if (xlonll <= _eastlon)
if(xlonll >= _westlon)
if(xlatll <= _northlat)
if(xlatll >= _southlat)
'query ll2xy 'xlonll' 'xlatll
xdum=sublin(result,1)
xlonxy=subwrd(xdum,1)
xlatxy=subwrd(xdum,2)
set ccolor 3
'draw mark 3 'xlonxy' 'xlatxy' 0.175'
endif
endif
endif
endif
endwhile
'query ll2xy '_westlon' '_southlat
xdum=sublin(result,1)
leglon=subwrd(xdum,1)
leglat=subwrd(xdum,2)
modstring='00 UTC Rawinsonde'
'set string 5'
'draw mark 3 'leglon+0.2' 'leglat+0.6' 0.150'
'draw string 'leglon+0.35' 'leglat+0.55' 'modstring
'set line 9'
while (1)
ret=read(fname5)
rc = sublin(ret,1)
if(rc = 2)
break
endif
rec = sublin(ret,2)
xlatll=subwrd(rec,1)
xlonll=subwrd(rec,2)
if (xlonll <= _eastlon)
if(xlonll >= _westlon)
if(xlatll <= _northlat)
if(xlatll >= _southlat)
'query ll2xy 'xlonll' 'xlatll
xdum=sublin(result,1)
xlonxy=subwrd(xdum,1)
xlatxy=subwrd(xdum,2)
'draw mark 3 'xlonxy' 'xlatxy' 0.175'
endif
endif
endif
endif
endwhile
'query ll2xy '_westlon' '_southlat
xdum=sublin(result,1)
leglon=subwrd(xdum,1)
leglat=subwrd(xdum,2)
modstring='12 UTC Rawinsonde'
'set string 9'
'draw mark 3 'leglon+0.2' 'leglat+0.8' 0.150'
'draw string 'leglon+0.35' 'leglat+0.75' 'modstring
'set line 8'
'gxprint ftk.png png white'
*---------------------------
*
*---------------------------
function getbounds(nst)
* This function looks through the forecast tracks points
* and/or the verification track points and figures out
* which points are the farthest N,E,S and W. Remember,
* we are using degrees positive westward, the TPC standard.
_northlat = -99.0
_southlat = 99.0
_westlon = 361.0
_eastlon = -361.0
ist = 1
while(ist<=nst)
while(1)
res=read(_points.ist)
rc = sublin(res,1)
if(rc = 2)
break
endif
rec = sublin(res,2)
ylat=subwrd(rec,1)
xlon=-subwrd(rec,2)
if (ylat > _northlat)
_northlat = ylat
endif
if (ylat < _southlat)
_southlat = ylat
endif
if (xlon < _westlon)
_westlon = xlon
endif
if (xlon > _eastlon)
_eastlon = xlon
endif
endwhile
res=close(_points.ist)
ist = ist + 1
endwhile
_northlat = _northlat + 5
_southlat = _southlat - 5
_westlon = _westlon - 5
_eastlon = _eastlon + 5
say 'At end of getbounds....'
say ' northlat = '_northlat' southlat = '_southlat
say ' westlon = '_westlon' eastlon = '_eastlon
_origwlon = _westlon
_origelon = _eastlon
_orignlat = _northlat
_origslat = _southlat
return