#!/usr/bin/env python ### A. Spiga -- LMD -- 30/06/2011 to 10/07/2011 ### T.Navarro -- LMD -- 10/2011 ### Thanks to A. Colaitis for the parser trick #################################### #################################### ### The main program to plot vectors def planetoplot (namefiles,\ vertmode,\ proj=None,\ back=None,\ target=None, stride=3,\ numplot=2,\ var=None,\ colorb="def",\ winds=True,\ addchar=None,\ interv=[0,1],\ vmin=None,\ vmax=None,\ tile=False,\ zoom=None,\ display=True,\ itstep=None,\ hole=False,\ save="gui",\ anomaly=False,\ var2=None,\ ndiv=10,\ first=1,\ mult=1.,\ zetitle="fill",\ slon=None,\ slat=None,\ svert=None,\ stime=None): #################################################################################################################### ### Colorbars http://www.scipy.org/Cookbook/Matplotlib/Show_colormaps?action=AttachFile&do=get&target=colormaps3.png ################################# ### Load librairies and functions from netCDF4 import Dataset from myplot import getcoord2d,define_proj,makeplotres,simplinterv,vectorfield,ptitle,latinterv,getproj,wrfinterv,dumpbdy,\ fmtvar,definecolorvec,defcolorb,getprefix,putpoints,calculate_bounds,errormess,definesubplot,\ zoomset,getcoorddef,getwinddef,whatkindfile,reducefield,bounds,getstralt,getfield,smooth,nolow,\ getname,localtime,polarinterv,getsindex,define_axis from mymath import deg,max,min,mean from matplotlib.pyplot import contour,contourf, subplot, figure, rcParams, savefig, colorbar, pcolor, show, plot, clabel from matplotlib.cm import get_cmap import numpy as np from numpy.core.defchararray import find #whichmode = "" nlon = 1 # number of longitudinal slices -- 1 is None nlat = 1 nvert = 1 ntime = 1 nslices = 1 if slon is not None: nslices = nslices*len(slon) nlon = len(slon) if slat is not None: nslices = nslices*len(slat) nlat = len(slat) if svert is not None: nslices = nslices*len(svert) nvert = len(svert) if stime is not None: nslices = nslices*len(stime) ntime = len(stime) #else: # nslices = 2 numplot = len(namefiles)*nslices mapmode = 0 if slon is None and slat is None: mapmode = 1 # in this case we plot a map, with the given projection elif proj is not None: print "WARNING: you specified a", proj,\ "projection but asked for slices", slon,"in longitude and",slat,"in latitude" print "mapmode", mapmode all_var = [[]]*len(namefiles) all_var2 = [[]]*len(namefiles) all_title = [[]]*len(namefiles) print "len(namefiles), nslices", len(namefiles), nslices print "numplot", numplot ######################### ### Loop over the files initially separated by comas to be plotted on the same figure k = 0 firstfile = True for namefile in namefiles: ###################### ### Load NETCDF object nc = Dataset(namefile) ################################## ### Initial checks and definitions typefile = whatkindfile(nc) ## TYPEFILE if firstfile: typefile0 = typefile elif typefile != typefile0: errormess("Not the same files !", [typefile0, typefile]) if var not in nc.variables: var = False ## VAR if winds: ## WINDS [uchar,vchar,metwind] = getwinddef(nc) if uchar == 'not found': winds = False if not var and not winds: errormess("please set at least winds or var",printvar=nc.variables) [lon2d,lat2d] = getcoorddef(nc) ## COORDINATES, could be moved below if proj == None: proj = getproj(nc) ## PROJECTION lat = nc.variables["latitude"][:] lon = nc.variables["longitude"][:] time = nc.variables["Time"][:] vert = nc.variables["altitude"][:] if firstfile: lat0 = lat elif len(lat0) != len(lat): errormess("Not the same latitude lengths !", [len(lat0), len(lat)]) elif sum((lat == lat0) == False) != 0: errormess("Not the same latitudes !", [lat,lat0]) # Faire d'autre checks sur les compatibilites entre fichiers!! if firstfile: ########################## ### Define plot boundaries ### todo: possible areas in latinterv in argument (ex: "Far_South_Pole") if proj in ["npstere","spstere"]: [wlon,wlat] = polarinterv(lon2d,lat2d) elif proj in ["lcc","laea"]: [wlon,wlat] = wrfinterv(lon2d,lat2d) else: [wlon,wlat] = simplinterv(lon2d,lat2d) if zoom: [wlon,wlat] = zoomset(wlon,wlat,zoom) ######################################### ### Name for title and graphics save file basename = getname(var=var,winds=winds,anomaly=anomaly) basename = basename + getstralt(nc,nvert) ## can be moved elsewhere for a more generic routine print "var", var print "var2", var2 #print all_var #print nc if var: all_var[k] = getfield(nc,var) if var2: all_var2[k] = getfield(nc,var2) print "k", k print "all_var[k].shape", all_var[k].shape k += 1 firstfile = False #### End of for namefile in namefiles ################################## ### Open a figure and set subplots fig = figure() subv,subh = definesubplot( numplot, fig ) ################################# ### Time loop for plotting device found_lct = False nplot = 1 itime = first error = False if itstep is None and numplot > 0: itstep = int(24./numplot) elif numplot <= 0: itstep = 1 ### Map projection if mapmode == 1: m = define_proj(proj,wlon,wlat,back=back) x, y = m(lon2d, lat2d) #for nplot in range(numplot): while error is False: print "nplot", nplot print error ### Which local time ? ltst = localtime ( interv[0]+itime*interv[1], 0.5*(wlon[0]+wlon[1]) ) ### General plot settings #print itime, int(ltst), numplot, nplot if numplot >= 1: if nplot > numplot: break if numplot > 1: if typefile not in ['geo']: subplot(subv,subh,nplot) found_lct = True ### If only one local time is requested (numplot < 0) elif numplot <= 0: if int(ltst) + numplot != 0: itime += 1 if found_lct is True: break ## because it means LT was found at previous iteration else: continue ## continue to iterate to find the correct LT else: found_lct = True ## get all indexes to be taken into account for this subplot and then reduce field ## We plot 1) all lon slices 2) all lat slices 3) all vert slices 4) all time slices and then go to the next slice #print "(nplot-1)%nlon", (nplot-1)%nlon indexlon = getsindex(slon,(nplot-1)%nlon,lon) #print "indexlon", indexlon indexlat = getsindex(slat,((nplot-1)//nlon)%nlat,lat) indexvert = getsindex(svert,((nplot-1)//(nlon*nlat))%nvert,vert) indextime = getsindex(stime,((nplot-1)//(nlon*nlat*nvert))%ntime,time) index_f = ((nplot-1)//(nlon*nlat*nvert*ntime))%len(namefiles) #print "index lon,lat,vert,time", max(indexlon), max(indexlat), max(indexvert), max(indextime) #### Contour plot if var2: what_I_plot, error = reducefield(all_var2[index_f], d4=indextime, d1=indexlon, d2=indexlat , d3=indexvert ) what_I_plot = what_I_plot*mult if not error: if typefile in ['mesoapi','meso']: what_I_plot = dumpbdy(what_I_contour,6) zevmin, zevmax = calculate_bounds(what_I_plot) zelevels = np.linspace(zevmin,zevmax,num=ndiv) if mapmode == 0: x, y = define_axis(lon,lat,vert,time,indexlon,indexlat,indexvert,\ indextime,what_I_plot.shape, len(all_var[index_f].shape),vertmode) ### If we plot a 2-D field if len(what_I_plot.shape) is 2: cs = contour(x,y,what_I_plot, zelevels, colors='k', linewidths = 1 ) #colors='w' )# , alpha=0.5) clabel(cs,fmt = '%1.2e') ### If we plot a 1-D field elif len(what_I_plot.shape) is 1: plot(x,y,what_I_plot, zelevels, colors='g', linewidths = 0.33 ) #colors='w' )# , alpha=0.5) else: errormess("There is an error in reducing field !") #### Shaded plot if var: what_I_plot, error = reducefield(all_var[index_f], d4=indextime, d1=indexlon, d2=indexlat , d3=indexvert ) what_I_plot = what_I_plot*mult if not error: fvar = var ### if anomaly: what_I_plot = 100. * ((what_I_plot / smooth(what_I_plot,12)) - 1.) fvar = 'anomaly' #if mult != 1: # fvar = str(mult) + "*" + var ### if typefile in ['mesoapi','meso']: what_I_plot = dumpbdy(what_I_plot,6) zevmin, zevmax = calculate_bounds(what_I_plot,vmin=vmin,vmax=vmax) if colorb in ["def","nobar"]: palette = get_cmap(name=defcolorb(fvar.upper())) else: palette = get_cmap(name=colorb) ### If we plot a 2-D field if len(what_I_plot.shape) is 2: if mapmode == 0: what_I_plot,x, y = define_axis(lon,lat,vert,time,indexlon,indexlat,indexvert,\ indextime,what_I_plot, len(all_var[index_f].shape),vertmode) if not tile: if not hole: what_I_plot = bounds(what_I_plot,zevmin,zevmax) #zelevels = np.linspace(zevmin*(1. + 1.e-7),zevmax*(1. - 1.e-7)) #,num=20) print "what_I_plot.shape", what_I_plot.shape print "x.shape, y.shape", x.shape, y.shape zelevels = np.linspace(zevmin,zevmax,num=ndiv) #contourf(what_I_plot, zelevels, cmap = palette ) contourf(x,y,what_I_plot, zelevels, cmap = palette ) else: if hole: what_I_plot = nolow(what_I_plot) pcolor(x,y,what_I_plot, cmap = palette, \ vmin=zevmin, vmax=zevmax ) if colorb != 'nobar' and var != 'HGT' : #subplot(111) #colorbar() colorbar(fraction=0.05,pad=0.03,format=fmtvar(fvar.upper()),\ ticks=np.linspace(zevmin,zevmax,min([ndiv,20])),\ extend='neither',spacing='proportional') # both min max neither ### If we plot a 1-D field elif len(what_I_plot.shape) is 1: what_I_plot,x,y = define_axis(lon,lat,vert,time,indexlon,indexlat,indexvert,\ indextime,what_I_plot,len(all_var[index_f].shape),vertmode) # x = np.array(x) # y = np.array(y) print "what_I_plot.shape", what_I_plot.shape print "x.shape", x.shape plot(x,what_I_plot) ### If we plot something that is not a 2-D or 1-D field ### (maybe plot 3-D field one day or movie ??) else: print "WARNING!!! ",len(what_I_plot.shape),"-D PLOT NOT SUPPORTED !!!" print "field dimensions: ", what_I_plot.shape exit() else: errormess("There is an error in reducing field !") ### Next subplot plottitle = basename+' '+namefiles[index_f] if typefile in ['mesoapi','meso']: if addchar: plottitle = plottitle + addchar + "_LT"+str(ltst) else: plottitle = plottitle + "_LT"+str(ltst) if mult != 1: plottitle = str(mult) + "*" + plottitle if zetitle != "fill": plottitle = zetitle # if indexlon is not None: # plottitle = plottitle + " lon: " + str(min(lon[indexlon])) +" "+ str(max(lon[indexlon])) # if indexlat is not None: # plottitle = plottitle + " lat: " + str(min(lat[indexlat])) +" "+ str(max(lat[indexlat])) # if indexvert is not None: # plottitle = plottitle + " vert: " + str(min(vert[indexvert])) +" "+ str(max(vert[indexvert])) # if indextime is not None: # plottitle = plottitle + " time: " + str(min(time[indextime])) +" "+ str(max(time[indextime])) ptitle( plottitle ) itime += itstep if nplot == numplot: error = True nplot += 1 ########################################################################## ### Save the figure in a file in the data folder or an user-defined folder if typefile in ['meso','mesoapi']: prefix = getprefix(nc) elif typefile in ['gcm']: prefix = 'LMD_GCM_' else: prefix = '' ### zeplot = prefix + basename if addchar: zeplot = zeplot + addchar if numplot <= 0: zeplot = zeplot + "_LT"+str(abs(numplot)) ### if not target: zeplot = namefile[0:find(namefile,'wrfout')] + zeplot else: zeplot = target + "/" + zeplot ### if found_lct: pad_inches_value = 0.35 print "save", save if save == 'png': if display: makeplotres(zeplot,res=100.,pad_inches_value=pad_inches_value) #,erase=True) ## a miniature makeplotres(zeplot,res=200.,pad_inches_value=pad_inches_value,disp=False) elif save in ['eps','svg','pdf']: makeplotres(zeplot, pad_inches_value=pad_inches_value,disp=False,ext=save) elif save == 'gui': show() else: print "save mode not supported. using gui instead." show() else: print "Local time not found" ############### ### Now the end return zeplot ############################## ### A specific stuff for below def adjust_length (tab, zelen): from numpy import ones if tab is None: outtab = ones(zelen) * -999999 else: if zelen != len(tab): print "not enough or too much values... setting same values all variables" outtab = ones(zelen) * tab[0] else: outtab = tab return outtab ########################################################################################### ########################################################################################### ### What is below relate to running the file as a command line executable (very convenient) if __name__ == "__main__": import sys from optparse import OptionParser ### to be replaced by argparse from api_wrapper import api_onelevel from netCDF4 import Dataset from myplot import getlschar, separatenames, readslices from os import system import numpy as np ############################# ### Get options and variables parser = OptionParser() parser.add_option('-f', '--file', action='append',dest='namefile', type="string", default=None, help='[NEEDED] name of WRF file (append). Plot files separated by comas in the same figure') parser.add_option('-l', '--level', action='store',dest='nvert', type="float", default=0, help='level (def=0)(-i 2: p,mbar)(-i 3,4: z,km)') parser.add_option('-p', '--proj', action='store',dest='proj', type="string", default=None, help='projection') parser.add_option('-b', '--back', action='store',dest='back', type="string", default=None, help='background image (def: None)') parser.add_option('-t', '--target', action='store',dest='target', type="string", default=None, help='destination folder') parser.add_option('-s', '--stride', action='store',dest='stride', type="int", default=3, help='stride vectors (def=3)') parser.add_option('-v', '--var', action='append',dest='var', type="string", default=None, help='variable color-shaded (append)') parser.add_option('-n', '--num', action='store',dest='numplot', type="int", default=2, help='plot number (def=2)(<0: plot LT -*numplot*)') parser.add_option('-i', '--interp', action='store',dest='interp', type="int", default=None, help='interpolation (2: p, 3: z-amr, 4:z-als)') parser.add_option('-c', '--color', action='store',dest='colorb', type="string", default="def", help='change colormap (nobar: no colorbar)') parser.add_option('-x', '--no-vect',action='store_false',dest='winds', default=True, help='no wind vectors') parser.add_option('-m', '--min', action='append',dest='vmin', type="float", default=None, help='bounding minimum value (append)') parser.add_option('-M', '--max', action='append',dest='vmax', type="float", default=None, help='bounding maximum value (append)') parser.add_option('-T', '--tiled', action='store_true',dest='tile', default=False, help='draw a tiled plot (no blank zone)') parser.add_option('-z', '--zoom', action='store',dest='zoom', type="float", default=None, help='zoom factor in %') parser.add_option('-N', '--no-api', action='store_true',dest='nocall', default=False, help='do not recreate api file') parser.add_option('-d', '--display',action='store_false',dest='display', default=True, help='do not pop up created images') parser.add_option('-e', '--itstep', action='store',dest='itstep', type="int", default=None, help='stride time (def=4)') parser.add_option('-H', '--hole', action='store_true',dest='hole', default=False, help='holes above max and below min') parser.add_option('-S', '--save', action='store',dest='save', type="string", default="gui", help='save mode (png,eps,svg,pdf or gui)(def=gui)') parser.add_option('-a', '--anomaly',action='store_true',dest='anomaly', default=False, help='compute and plot relative anomaly in %') parser.add_option('-w', '--with', action='store',dest='var2', type="string", default=None, help='variable contoured') parser.add_option('--div', action='store',dest='ndiv', type="int", default=10, help='number of divisions in colorbar (def: 10)') parser.add_option('-F', '--first', action='store',dest='first', type="int", default=1, help='first subscript to plot (def: 1)') parser.add_option('--mult', action='store',dest='mult', type="float", default=1., help='a multiplicative factor to plotted field') parser.add_option('--title', action='store',dest='zetitle', type="string", default="fill",help='customize the whole title') #parser.add_option('-V', action='store', dest='comb', type="float", default=None, help='a defined combination of variables') ############# T.N. changes #parser.add_option('-o','--operation',action='store',dest='operation',type="string", default=None ,help='matrix of operations between files (for now see code, sorry)') parser.add_option('--lat', action='append',dest='slat',type="string", default=None, help='slices along latitude. One value, or two values separated by comas for averaging') parser.add_option('--lon', action='append',dest='slon', type="string", default=None, help='slices along longitude. One value, or two values separated by comas for averaging') parser.add_option('--vert', action='append',dest='svert',type="string", default=None, help='slices along vertical axis. One value, or two values separated by comas for averaging') # quelles coordonnees ? parser.add_option('--time', action='append',dest='stime',type="string", default=None, help='slices along time. One value, or two values separated by comas for averaging') # quelles coordonnees ? (opt,args) = parser.parse_args() if opt.namefile is None: print "I want to eat one file at least ! Use winds.py -f name_of_my_file. Or type winds.py -h" exit() if opt.var is None and opt.anomaly is True: print "Cannot ask to compute anomaly if no variable is set" exit() print "Options:", opt #listvar = '' #if opt.var is None: # zerange = [-999999] #else: # zelen = len(opt.var) # zerange = range(zelen) # #if zelen == 1: listvar = opt.var[0] + ',' # #else : # for jjj in zerange: listvar += opt.var[jjj] + ',' # listvar = listvar[0:len(listvar)-1] # vmintab = adjust_length (opt.vmin, zelen) # vmaxtab = adjust_length (opt.vmax, zelen) print "namefile, length", opt.namefile, len(opt.namefile) zeslat = readslices(opt.slat) zeslon = readslices(opt.slon) zesvert = readslices(opt.svert) zestime = readslices(opt.stime) print "slat,zeslat", opt.slat, zeslat print "slon,zeslon", opt.slon, zeslon print "svert,zesvert", opt.svert, zesvert print "stime,zestime", opt.stime, zestime for i in range(len(opt.namefile)): for j in range(len(opt.var)): zenamefiles = separatenames(opt.namefile[i]) print "zenamefiles", zenamefiles if opt.vmin is not None : zevmin = opt.vmin[min(i,len(opt.vmin)-1)] else: zevmin = None if opt.vmax is not None : zevmax = opt.vmax[min(i,len(opt.vmax)-1)] else: zevmax = None print "vmin, zevmin", opt.vmin, zevmin print "vmax, zevmax", opt.vmax, zevmax zevar = separatenames(opt.var[j]) zevar = zevar[0] print "var, zevar", opt.var, zevar #checkcoherence(len(zenamefiles),len(opt.slat),len(opt.slon),len(opt.stime)) zefile = zenamefiles[0] zelevel = opt.nvert stralt = None [lschar,zehour,zehourin] = getlschar ( zefile ) ## getlschar from wrfout (or simply return "" if another file) #print "lschar ",lschar #print "zehour ",zehour #print "zehourin ",zehourin ##################################################### ### Call Fortran routines for vertical interpolations if opt.interp is not None: if opt.nvert is 0 and opt.interp is 4: zelevel = 0.010 ### winds or no winds if opt.winds : zefields = 'uvmet' else : zefields = '' ### var or no var #if opt.var is None : pass if zefields == '' : zefields = listvar else : zefields = zefields + "," + listvar if opt.var2 is not None : zefields = zefields + "," + opt.var2 print zefields zefile = api_onelevel ( path_to_input = '', \ input_name = zefile, \ fields = zefields, \ interp_method = opt.interp, \ onelevel = zelevel, \ nocall = opt.nocall ) print zefile zelevel = 0 ## so that zelevel could play again the role of nvert ############# ### Main call name = planetoplot (zenamefiles,int(zelevel),\ proj=opt.proj,back=opt.back,target=opt.target,stride=opt.stride,var=zevar,\ numplot=opt.numplot,colorb=opt.colorb,winds=opt.winds,\ addchar=lschar,interv=[zehour,zehourin],vmin=zevmin,vmax=zevmax,\ tile=opt.tile,zoom=opt.zoom,display=opt.display,\ itstep=opt.itstep,hole=opt.hole,save=opt.save,\ anomaly=opt.anomaly,var2=opt.var2,ndiv=opt.ndiv,first=opt.first,\ mult=opt.mult,zetitle=opt.zetitle,\ slon=zeslon,slat=zeslat,svert=zesvert,stime=zestime) print 'Done: '+name system("rm -f to_be_erased") ######################################################### ### Generate a .sh file with the used command saved in it command = "" for arg in sys.argv: command = command + arg + ' ' name = 'pycommand' f = open(name+'.sh', 'w') f.write(command)