| 1 | #!/usr/bin/env python |
|---|
| 2 | |
|---|
| 3 | ### A. Spiga -- LMD -- 30/06/2011 to 10/07/2011 |
|---|
| 4 | ### Thanks to A. Colaitis for the parser trick |
|---|
| 5 | |
|---|
| 6 | |
|---|
| 7 | #################################### |
|---|
| 8 | #################################### |
|---|
| 9 | ### The main program to plot vectors |
|---|
| 10 | def winds (namefile,\ |
|---|
| 11 | nvert,\ |
|---|
| 12 | proj=None,\ |
|---|
| 13 | back=None,\ |
|---|
| 14 | target=None, |
|---|
| 15 | stride=3,\ |
|---|
| 16 | numplot=2,\ |
|---|
| 17 | var=None,\ |
|---|
| 18 | colorb=True,\ |
|---|
| 19 | winds=True,\ |
|---|
| 20 | addchar=None,\ |
|---|
| 21 | interv=[0,1],\ |
|---|
| 22 | vmin=None,\ |
|---|
| 23 | vmax=None,\ |
|---|
| 24 | tile=False,\ |
|---|
| 25 | zoom=None,\ |
|---|
| 26 | display=True,\ |
|---|
| 27 | itstep=None,\ |
|---|
| 28 | hole=False): |
|---|
| 29 | |
|---|
| 30 | #################################################################################################################### |
|---|
| 31 | ### Colorbars http://www.scipy.org/Cookbook/Matplotlib/Show_colormaps?action=AttachFile&do=get&target=colormaps3.png |
|---|
| 32 | |
|---|
| 33 | ################################# |
|---|
| 34 | ### Load librairies and functions |
|---|
| 35 | from netCDF4 import Dataset |
|---|
| 36 | from myplot import getcoord2d,define_proj,makeplotpng,makeplotpngres,simplinterv,vectorfield,ptitle,latinterv,getproj,wrfinterv,dumpbdy,\ |
|---|
| 37 | fmtvar,definecolorvec,defcolorb,getprefix,putpoints,calculate_bounds,errormess,definesubplot,\ |
|---|
| 38 | zoomset,getcoorddef,getwinddef,whatkindfile,reducefield,bounds,getstralt,getfield |
|---|
| 39 | from mymath import deg,max,min,mean |
|---|
| 40 | from matplotlib.pyplot import contour,contourf, subplot, figure, rcParams, savefig, colorbar, pcolor |
|---|
| 41 | from matplotlib.cm import get_cmap |
|---|
| 42 | import numpy as np |
|---|
| 43 | from numpy.core.defchararray import find |
|---|
| 44 | |
|---|
| 45 | ###################### |
|---|
| 46 | ### Load NETCDF object |
|---|
| 47 | nc = Dataset(namefile) |
|---|
| 48 | |
|---|
| 49 | ################################## |
|---|
| 50 | ### Initial checks and definitions |
|---|
| 51 | typefile = whatkindfile(nc) ## TYPEFILE |
|---|
| 52 | if var not in nc.variables: var = False ## VAR |
|---|
| 53 | if winds: ## WINDS |
|---|
| 54 | [uchar,vchar,metwind] = getwinddef(nc) |
|---|
| 55 | if uchar == 'not found': winds = False |
|---|
| 56 | [lon2d,lat2d] = getcoorddef(nc) ## COORDINATES, could be moved below |
|---|
| 57 | if proj == None: proj = getproj(nc) ## PROJECTION |
|---|
| 58 | |
|---|
| 59 | ########################## |
|---|
| 60 | ### Define plot boundaries |
|---|
| 61 | if proj == "npstere": [wlon,wlat] = latinterv("North_Pole") |
|---|
| 62 | elif proj in ["lcc","laea"]: [wlon,wlat] = wrfinterv(lon2d,lat2d) |
|---|
| 63 | else: [wlon,wlat] = simplinterv(lon2d,lat2d) |
|---|
| 64 | if zoom: [wlon,wlat] = zoomset(wlon,wlat,zoom) |
|---|
| 65 | |
|---|
| 66 | ######################################### |
|---|
| 67 | ### Name for title and graphics save file |
|---|
| 68 | if var and winds: basename = var + '_UV' |
|---|
| 69 | elif var: basename = var |
|---|
| 70 | elif winds: basename = 'UV' |
|---|
| 71 | else: |
|---|
| 72 | print nc.variables |
|---|
| 73 | errormess("please set at least winds or var") |
|---|
| 74 | basename = basename + getstralt(nc,nvert) ## can be moved elsewhere for a more generic routine |
|---|
| 75 | |
|---|
| 76 | ################################## |
|---|
| 77 | ### Open a figure and set subplots |
|---|
| 78 | fig = figure() |
|---|
| 79 | sub = definesubplot( numplot, fig ) |
|---|
| 80 | |
|---|
| 81 | ################################# |
|---|
| 82 | ### Time loop for plotting device |
|---|
| 83 | found_lct = False |
|---|
| 84 | itime = 0 ## could be an argument |
|---|
| 85 | nplot = 1 |
|---|
| 86 | error = False |
|---|
| 87 | if itstep is None: itstep = int(24./numplot) |
|---|
| 88 | while error is False: |
|---|
| 89 | |
|---|
| 90 | ### Which local time ? |
|---|
| 91 | #print interv[0], interv[1], itime |
|---|
| 92 | ltst = ( interv[0] + 0.5*(wlon[0]+wlon[1])/15.) + itime*interv[1] |
|---|
| 93 | ltst = int (ltst * 10) / 10. |
|---|
| 94 | ltst = ltst % 24 |
|---|
| 95 | |
|---|
| 96 | ### General plot settings |
|---|
| 97 | #print itime, int(ltst), numplot, nplot |
|---|
| 98 | if numplot >= 1: |
|---|
| 99 | if nplot > numplot: break |
|---|
| 100 | if numplot > 1: |
|---|
| 101 | if typefile not in ['geo']: subplot(sub+nplot-1) |
|---|
| 102 | |
|---|
| 103 | found_lct = True |
|---|
| 104 | ### If only one local time is requested (numplot < 0) |
|---|
| 105 | elif numplot <= 0: |
|---|
| 106 | if int(ltst) + numplot != 0: |
|---|
| 107 | itime += 1 |
|---|
| 108 | if found_lct is True: break ## because it means LT was found at previous iteration |
|---|
| 109 | else: continue ## continue to iterate to find the correct LT |
|---|
| 110 | else: |
|---|
| 111 | found_lct = True |
|---|
| 112 | |
|---|
| 113 | ### Map projection |
|---|
| 114 | m = define_proj(proj,wlon,wlat,back=back) |
|---|
| 115 | x, y = m(lon2d, lat2d) |
|---|
| 116 | |
|---|
| 117 | #### Contour plot |
|---|
| 118 | if var: |
|---|
| 119 | what_I_plot, error = reducefield( getfield(nc,var), d4=itime, d3=nvert ) |
|---|
| 120 | if not error: |
|---|
| 121 | if typefile in ['mesoapi','meso']: what_I_plot = dumpbdy(what_I_plot) |
|---|
| 122 | zevmin, zevmax = calculate_bounds(what_I_plot,vmin=vmin,vmax=vmax) |
|---|
| 123 | if colorb is True: colorb = defcolorb(var) |
|---|
| 124 | palette = get_cmap(name=colorb) |
|---|
| 125 | if not tile: |
|---|
| 126 | if not hole: what_I_plot = bounds(what_I_plot,zevmin,zevmax) |
|---|
| 127 | zelevels = np.linspace(zevmin,zevmax) |
|---|
| 128 | contourf( x, y, what_I_plot, zelevels, cmap = palette ) |
|---|
| 129 | else: |
|---|
| 130 | pcolor( x, y, what_I_plot, cmap = palette, vmin=zevmin, vmax=zevmax ) |
|---|
| 131 | #putpoints(m,fig) |
|---|
| 132 | if var in ['HGT']: pass |
|---|
| 133 | elif colorb: |
|---|
| 134 | ndiv = 10 |
|---|
| 135 | colorbar(fraction=0.05,pad=0.1,format=fmtvar(var),\ |
|---|
| 136 | ticks=np.linspace(zevmin,zevmax,ndiv+1),\ |
|---|
| 137 | extend='max',spacing='proportional') |
|---|
| 138 | # both min max neither |
|---|
| 139 | |
|---|
| 140 | ### Vector plot |
|---|
| 141 | if winds: |
|---|
| 142 | vecx, error = reducefield( getfield(nc,uchar), d4=itime, d3=nvert ) |
|---|
| 143 | vecy, error = reducefield( getfield(nc,vchar), d4=itime, d3=nvert ) |
|---|
| 144 | if not error: |
|---|
| 145 | if typefile in ['mesoapi','meso']: |
|---|
| 146 | [vecx,vecy] = [dumpbdy(vecx,stag=uchar), dumpbdy(vecy,stag=vchar)] |
|---|
| 147 | key = True |
|---|
| 148 | elif typefile in ['gcm']: |
|---|
| 149 | key = False |
|---|
| 150 | if metwind: [vecx,vecy] = m.rotate_vector(vecx, vecy, lon2d, lat2d) |
|---|
| 151 | if var == False: colorvec = definecolorvec(back) |
|---|
| 152 | else: colorvec = definecolorvec(colorb) |
|---|
| 153 | vectorfield(vecx, vecy,\ |
|---|
| 154 | x, y, stride=stride, csmooth=2,\ |
|---|
| 155 | scale=15., factor=300., color=colorvec, key=key) |
|---|
| 156 | #200. ## or csmooth=stride |
|---|
| 157 | |
|---|
| 158 | ### Next subplot |
|---|
| 159 | plottitle = basename |
|---|
| 160 | if typefile in ['mesoapi','meso']: |
|---|
| 161 | if addchar: plottitle = plottitle + addchar + "_LT"+str(ltst) |
|---|
| 162 | else: plottitle = plottitle + "_LT"+str(ltst) |
|---|
| 163 | ptitle( plottitle ) |
|---|
| 164 | itime += itstep |
|---|
| 165 | nplot += 1 |
|---|
| 166 | |
|---|
| 167 | ########################################################################## |
|---|
| 168 | ### Save the figure in a file in the data folder or an user-defined folder |
|---|
| 169 | if typefile in ['meso','mesoapi']: prefix = getprefix(nc) |
|---|
| 170 | elif typefile in ['gcm']: prefix = 'LMD_GCM_' |
|---|
| 171 | else: prefix = '' |
|---|
| 172 | ### |
|---|
| 173 | zeplot = prefix + basename |
|---|
| 174 | if addchar: zeplot = zeplot + addchar |
|---|
| 175 | if numplot <= 0: zeplot = zeplot + "_LT"+str(abs(numplot)) |
|---|
| 176 | ### |
|---|
| 177 | if not target: zeplot = namefile[0:find(namefile,'wrfout')] + zeplot |
|---|
| 178 | else: zeplot = target + "/" + zeplot |
|---|
| 179 | ### |
|---|
| 180 | if found_lct: makeplotpng(zeplot,pad_inches_value=0.35,disp=display) |
|---|
| 181 | #if found_lct: makeplotpngres(zeplot,200,disp=display) |
|---|
| 182 | else: print "Local time not found" |
|---|
| 183 | |
|---|
| 184 | ############### |
|---|
| 185 | ### Now the end |
|---|
| 186 | return zeplot |
|---|
| 187 | |
|---|
| 188 | ############################## |
|---|
| 189 | ### A specific stuff for below |
|---|
| 190 | def adjust_length (tab, zelen): |
|---|
| 191 | from numpy import ones |
|---|
| 192 | if tab is None: |
|---|
| 193 | outtab = ones(zelen) * -999999 |
|---|
| 194 | else: |
|---|
| 195 | print zelen, len(tab) |
|---|
| 196 | if zelen != len(tab): |
|---|
| 197 | print "not enough or too much values... setting same values all variables" |
|---|
| 198 | outtab = ones(zelen) * tab[0] |
|---|
| 199 | else: |
|---|
| 200 | outtab = tab |
|---|
| 201 | return outtab |
|---|
| 202 | |
|---|
| 203 | ########################################################################################### |
|---|
| 204 | ########################################################################################### |
|---|
| 205 | ### What is below relate to running the file as a command line executable (very convenient) |
|---|
| 206 | if __name__ == "__main__": |
|---|
| 207 | import sys |
|---|
| 208 | from optparse import OptionParser ### to be replaced by argparse |
|---|
| 209 | from api_wrapper import api_onelevel |
|---|
| 210 | from netCDF4 import Dataset |
|---|
| 211 | from myplot import getlschar |
|---|
| 212 | |
|---|
| 213 | ############################# |
|---|
| 214 | ### Get options and variables |
|---|
| 215 | parser = OptionParser() |
|---|
| 216 | parser.add_option('-f', action='append',dest='namefile', type="string", default=None, help='[NEEDED] name of WRF file (append)') |
|---|
| 217 | parser.add_option('-l', action='store',dest='nvert', type="float", default=0, help='vertical level (def=0)(-i 2: p,mbar)(-i 3,4: z,km)') |
|---|
| 218 | parser.add_option('-p', action='store',dest='proj', type="string", default=None, help='projection') |
|---|
| 219 | parser.add_option('-b', action='store',dest='back', type="string", default=None, help='background image (def: None)') |
|---|
| 220 | parser.add_option('-t', action='store',dest='target', type="string", default=None, help='destination folder') |
|---|
| 221 | parser.add_option('-s', action='store',dest='stride', type="int", default=3, help='stride vectors (def=3)') |
|---|
| 222 | parser.add_option('-v', action='append',dest='var', type="string", default=None, help='variable contoured (append)') |
|---|
| 223 | parser.add_option('-n', action='store',dest='numplot', type="int", default=2, help='number of plots (def=1)(<0: 1 plot of LT -*numplot*)') |
|---|
| 224 | parser.add_option('-i', action='store',dest='interp', type="int", default=None, help='interpolation method (2: press, 3: z-amr, 4:z-als)') |
|---|
| 225 | parser.add_option('-c', action='store',dest='colorb', type="string", default=True, help='change colormap') |
|---|
| 226 | parser.add_option('-x', action='store_false',dest='winds', default=True, help='no wind vectors') |
|---|
| 227 | parser.add_option('-m', action='append',dest='vmin', type="float", default=None, help='bounding minimum value (append)') |
|---|
| 228 | parser.add_option('-M', action='append',dest='vmax', type="float", default=None, help='bounding maximum value (append)') |
|---|
| 229 | parser.add_option('-T', action='store_true',dest='tile', default=False, help='draw a tiled plot (no blank zone)') |
|---|
| 230 | parser.add_option('-z', action='store',dest='zoom', type="float", default=None, help='zoom factor in %') |
|---|
| 231 | parser.add_option('-N', action='store_true',dest='nocall', default=False, help='do not recreate api file') |
|---|
| 232 | parser.add_option('-d', action='store_false',dest='display', default=True, help='do not pop up created images') |
|---|
| 233 | parser.add_option('-e', action='store',dest='itstep', type="int", default=None, help='stride time (def=4)') |
|---|
| 234 | parser.add_option('-H', action='store_true',dest='hole', default=False, help='holes above max and below min') |
|---|
| 235 | #parser.add_option('-V', action='store', dest='comb', type="float", default=None, help='a defined combination of variables') |
|---|
| 236 | (opt,args) = parser.parse_args() |
|---|
| 237 | if opt.namefile is None: |
|---|
| 238 | print "I want to eat one file at least ! Use winds.py -f name_of_my_file. Or type winds.py -h" |
|---|
| 239 | exit() |
|---|
| 240 | print "Options:", opt |
|---|
| 241 | |
|---|
| 242 | listvar = '' |
|---|
| 243 | if opt.var is None: |
|---|
| 244 | zerange = [-999999] |
|---|
| 245 | else: |
|---|
| 246 | zelen = len(opt.var) |
|---|
| 247 | zerange = range(zelen) |
|---|
| 248 | #if zelen == 1: listvar = opt.var[0] + ',' |
|---|
| 249 | #else : |
|---|
| 250 | for jjj in zerange: listvar += opt.var[jjj] + ',' |
|---|
| 251 | listvar = listvar[0:len(listvar)-1] |
|---|
| 252 | vmintab = adjust_length (opt.vmin, zelen) |
|---|
| 253 | vmaxtab = adjust_length (opt.vmax, zelen) |
|---|
| 254 | |
|---|
| 255 | for i in range(len(opt.namefile)): |
|---|
| 256 | |
|---|
| 257 | zefile = opt.namefile[i] |
|---|
| 258 | print zefile |
|---|
| 259 | zelevel = opt.nvert |
|---|
| 260 | stralt = None |
|---|
| 261 | [lschar,zehour,zehourin] = getlschar ( zefile ) ## getlschar from wrfout (or simply return "" if another file) |
|---|
| 262 | |
|---|
| 263 | ##################################################### |
|---|
| 264 | ### Call Fortran routines for vertical interpolations |
|---|
| 265 | if opt.interp is not None: |
|---|
| 266 | if opt.nvert is 0 and opt.interp is 4: zelevel = 0.010 |
|---|
| 267 | ### winds or no winds |
|---|
| 268 | if opt.winds : zefields = 'uvmet' |
|---|
| 269 | else : zefields = '' |
|---|
| 270 | ### var or no var |
|---|
| 271 | #if opt.var is None : pass |
|---|
| 272 | if zefields == '' : zefields = listvar |
|---|
| 273 | else : zefields = zefields + "," + listvar |
|---|
| 274 | print zefields |
|---|
| 275 | zefile = api_onelevel ( path_to_input = '', \ |
|---|
| 276 | input_name = zefile, \ |
|---|
| 277 | #path_to_output = opt.target, \ |
|---|
| 278 | fields = zefields, \ |
|---|
| 279 | interp_method = opt.interp, \ |
|---|
| 280 | onelevel = zelevel, \ |
|---|
| 281 | nocall = opt.nocall ) |
|---|
| 282 | print zefile |
|---|
| 283 | zelevel = 0 ## so that zelevel could play again the role of nvert |
|---|
| 284 | |
|---|
| 285 | if opt.var is None: zerange = [-999999] |
|---|
| 286 | else: zerange = range(zelen) |
|---|
| 287 | for jjj in zerange: |
|---|
| 288 | if jjj == -999999: |
|---|
| 289 | argvar = None |
|---|
| 290 | argvmin = None |
|---|
| 291 | argvmax = None |
|---|
| 292 | else: |
|---|
| 293 | argvar = opt.var[jjj] |
|---|
| 294 | if vmintab[jjj] != -999999: argvmin = vmintab[jjj] |
|---|
| 295 | else: argvmin = None |
|---|
| 296 | if vmaxtab[jjj] != -999999: argvmax = vmaxtab[jjj] |
|---|
| 297 | else: argvmax = None |
|---|
| 298 | ############# |
|---|
| 299 | ### Main call |
|---|
| 300 | name = winds (zefile,int(zelevel),\ |
|---|
| 301 | proj=opt.proj,back=opt.back,target=opt.target,stride=opt.stride,var=argvar,\ |
|---|
| 302 | numplot=opt.numplot,colorb=opt.colorb,winds=opt.winds,\ |
|---|
| 303 | addchar=lschar,interv=[zehour,zehourin],vmin=argvmin,vmax=argvmax,\ |
|---|
| 304 | tile=opt.tile,zoom=opt.zoom,display=opt.display,\ |
|---|
| 305 | itstep=opt.itstep,hole=opt.hole) |
|---|
| 306 | print 'Done: '+name |
|---|
| 307 | |
|---|
| 308 | ######################################################### |
|---|
| 309 | ### Generate a .sh file with the used command saved in it |
|---|
| 310 | command = "" |
|---|
| 311 | for arg in sys.argv: command = command + arg + ' ' |
|---|
| 312 | f = open(name+'.sh', 'w') |
|---|
| 313 | f.write(command) |
|---|
