| 1 | ####################### |
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| 2 | ##### PLANETOPLOT ##### |
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| 3 | ####################### |
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| 4 | |
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| 5 | ### A. Spiga -- LMD -- 06~09/2011 -- General building and mapping capabilities |
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| 6 | ### T. Navarro -- LMD -- 10~11/2011 -- Improved use for GCM and added sections + 1Dplot capabilities |
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| 7 | ### A. Colaitis -- LMD -- -- Mostly minor improvements and inter-plot operation capabilities + zrecast interpolation for gcm |
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| 8 | |
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| 9 | def planetoplot (namefiles,\ |
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| 10 | level=0,\ |
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| 11 | vertmode=0,\ |
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| 12 | proj=None,\ |
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| 13 | back=None,\ |
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| 14 | target=None, |
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| 15 | stride=3,\ |
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| 16 | numplot=None,\ |
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| 17 | var=None,\ |
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| 18 | colorb="def",\ |
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| 19 | winds=True,\ |
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| 20 | addchar=None,\ |
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| 21 | interv=[0,1],\ |
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| 22 | vmin=None,\ |
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| 23 | vmax=None,\ |
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| 24 | tile=False,\ |
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| 25 | zoom=None,\ |
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| 26 | display=True,\ |
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| 27 | itstep=None,\ |
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| 28 | hole=False,\ |
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| 29 | save="gui",\ |
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| 30 | anomaly=False,\ |
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| 31 | var2=None,\ |
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| 32 | ndiv=10,\ |
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| 33 | first=1,\ |
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| 34 | mult=1.,\ |
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| 35 | zetitle="fill",\ |
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| 36 | slon=None,\ |
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| 37 | slat=None,\ |
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| 38 | svert=None,\ |
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| 39 | stime=None,\ |
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| 40 | outputname=None,\ |
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| 41 | resolution=200,\ |
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| 42 | ope=None,\ |
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| 43 | fileref=None,\ |
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| 44 | minop=0.,\ |
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| 45 | maxop=0.,\ |
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| 46 | titleref="fill",\ |
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| 47 | invert_y=False): |
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| 48 | |
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| 49 | |
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| 50 | #################################################################################################################### |
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| 51 | ### Colorbars http://www.scipy.org/Cookbook/Matplotlib/Show_colormaps?action=AttachFile&do=get&target=colormaps3.png |
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| 52 | |
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| 53 | ################################# |
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| 54 | ### Load librairies and functions |
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| 55 | from netCDF4 import Dataset |
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| 56 | from myplot import getcoord2d,define_proj,makeplotres,simplinterv,vectorfield,ptitle,latinterv,getproj,wrfinterv,dumpbdy,\ |
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| 57 | fmtvar,definecolorvec,defcolorb,getprefix,putpoints,calculate_bounds,errormess,definesubplot,\ |
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| 58 | zoomset,getcoorddef,getwinddef,whatkindfile,reducefield,bounds,getstralt,getfield,smooth,nolow,\ |
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| 59 | getname,localtime,polarinterv,getsindex,define_axis,determineplot |
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| 60 | from mymath import deg,max,min,mean |
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| 61 | import matplotlib as mpl |
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| 62 | from matplotlib.pyplot import contour,contourf, subplot, figure, rcParams, savefig, colorbar, pcolor, show, plot, clabel |
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| 63 | from matplotlib.cm import get_cmap |
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| 64 | import numpy as np |
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| 65 | from numpy.core.defchararray import find |
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| 66 | |
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| 67 | ################################ |
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| 68 | ### Which plot needs to be done? |
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| 69 | nlon, nlat, nvert, ntime, mapmode, nslices = determineplot(slon, slat, svert, stime) |
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| 70 | if mapmode == 0: winds=False |
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| 71 | if not isinstance(namefiles, np.ndarray): namefiles = [namefiles] |
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| 72 | zelen = len(namefiles) |
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| 73 | if numplot == None: numplot = zelen*nslices |
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| 74 | print "len(namefiles), nslices, numplot: ", zelen, nslices, numplot |
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| 75 | if fileref is not None: |
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| 76 | all_var = [[]]*(zelen+2) |
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| 77 | else: |
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| 78 | all_var = [[]]*zelen |
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| 79 | all_var2 = [[]]*zelen |
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| 80 | all_title = [[]]*zelen |
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| 81 | |
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| 82 | ######################### |
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| 83 | ### Loop over the files initially separated by comas to be plotted on the same figure |
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| 84 | k = 0 |
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| 85 | firstfile = True |
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| 86 | for namefile in namefiles: |
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| 87 | print namefile |
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| 88 | ###################### |
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| 89 | ### Load NETCDF object |
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| 90 | nc = Dataset(namefile) |
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| 91 | |
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| 92 | ################################## |
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| 93 | ### Initial checks and definitions |
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| 94 | ### ... TYPEFILE |
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| 95 | typefile = whatkindfile(nc) |
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| 96 | if firstfile: |
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| 97 | typefile0 = typefile |
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| 98 | elif typefile != typefile0: |
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| 99 | errormess("Not the same kind of files !", [typefile0, typefile]) |
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| 100 | ### ... VAR |
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| 101 | if var not in nc.variables: var = False |
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| 102 | ### ... WINDS |
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| 103 | if winds: |
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| 104 | [uchar,vchar,metwind] = getwinddef(nc) |
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| 105 | if uchar == 'not found': winds = False |
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| 106 | if not var and not winds: errormess("please set at least winds or var",printvar=nc.variables) |
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| 107 | ### ... COORDINATES, could be moved below |
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| 108 | [lon2d,lat2d] = getcoorddef(nc) |
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| 109 | ### ... PROJECTION |
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| 110 | if proj == None: proj = getproj(nc) |
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| 111 | |
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| 112 | ########################################################## |
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| 113 | if typefile == "gcm": |
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| 114 | lat = nc.variables["latitude"][:] |
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| 115 | lon = nc.variables["longitude"][:] |
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| 116 | if "Time" in nc.variables: |
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| 117 | time = nc.variables["Time"][:] |
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| 118 | elif "time" in nc.variables: |
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| 119 | time = nc.variables["time"][:] |
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| 120 | else: |
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| 121 | print "no time axis found." |
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| 122 | exit() |
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| 123 | vert = nc.variables["altitude"][:] |
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| 124 | elif typefile in ['meso','mesoapi']: |
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| 125 | if mapmode == 0: |
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| 126 | if var in ['PHTOT','W']: vertdim='BOTTOM-TOP_PATCH_END_STAG' |
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| 127 | else: vertdim='BOTTOM-TOP_PATCH_END_UNSTAG' |
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| 128 | if var in ['V']: latdim='SOUTH-NORTH_PATCH_END_STAG' |
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| 129 | else: latdim='SOUTH-NORTH_PATCH_END_UNSTAG' |
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| 130 | if var in ['U']: londim='WEST-EAST_PATCH_END_STAG' |
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| 131 | else: londim='WEST-EAST_PATCH_END_UNSTAG' |
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| 132 | lon = np.arange(0,getattr(nc,londim),1) |
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| 133 | lat = np.arange(0,getattr(nc,latdim),1) |
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| 134 | if vertmode is None: vertmode=0 |
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| 135 | if vertmode == 0: vert = np.arange(0,getattr(nc,vertdim),1) |
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| 136 | else: vert = nc.variables["vert"][:] |
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| 137 | time = np.arange(0,len(nc.variables["Times"]),1) |
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| 138 | #if firstfile: |
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| 139 | # lat0 = lat |
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| 140 | #elif len(lat0) != len(lat): |
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| 141 | # errormess("Not the same latitude lengths !", [len(lat0), len(lat)]) |
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| 142 | #elif sum((lat == lat0) == False) != 0: |
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| 143 | # errormess("Not the same latitudes !", [lat,lat0]) |
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| 144 | ## Faire d'autre checks sur les compatibilites entre fichiers!! |
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| 145 | ########################################################## |
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| 146 | |
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| 147 | if firstfile: |
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| 148 | ########################## |
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| 149 | ### Define plot boundaries |
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| 150 | ### todo: possible areas in latinterv in argument (ex: "Far_South_Pole") |
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| 151 | if proj in ["npstere","spstere"]: [wlon,wlat] = polarinterv(lon2d,lat2d) |
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| 152 | elif proj in ["lcc","laea"]: [wlon,wlat] = wrfinterv(lon2d,lat2d) |
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| 153 | else: [wlon,wlat] = simplinterv(lon2d,lat2d) |
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| 154 | if zoom: [wlon,wlat] = zoomset(wlon,wlat,zoom) |
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| 155 | |
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| 156 | ######################################### |
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| 157 | ### Name for title and graphics save file |
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| 158 | basename = getname(var=var,winds=winds,anomaly=anomaly) |
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| 159 | basename = basename + getstralt(nc,level) ## can be moved elsewhere for a more generic routine |
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| 160 | |
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| 161 | print "var, var2: ", var, var2 |
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| 162 | if var: all_var[k] = getfield(nc,var) |
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| 163 | if var2: all_var2[k] = getfield(nc,var2) |
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| 164 | |
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| 165 | print "k", k |
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| 166 | print "all_var[k].shape", all_var[k].shape |
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| 167 | k += 1 |
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| 168 | firstfile = False |
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| 169 | #### End of for namefile in namefiles |
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| 170 | |
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| 171 | ################################## |
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| 172 | ### Load reference file if there is one |
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| 173 | if fileref is not None: |
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| 174 | ncref = Dataset(fileref) |
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| 175 | ### ... VAR |
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| 176 | if var not in nc.variables: var = False |
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| 177 | if var: |
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| 178 | all_var[k] = getfield(ncref,var) |
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| 179 | if ope is "-": |
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| 180 | all_var[k+1]= all_var[k-1] - all_var[k] |
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| 181 | elif ope is "+": |
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| 182 | all_var[k+1]= all_var[k-1] + all_var[k] |
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| 183 | elif ope is not None: |
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| 184 | print "non-implemented operation. Available op. are + and -." |
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| 185 | numplot = numplot+2 |
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| 186 | |
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| 187 | ################################## |
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| 188 | ### Open a figure and set subplots |
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| 189 | fig = figure() |
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| 190 | subv,subh = definesubplot( numplot, fig ) |
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| 191 | |
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| 192 | ################################# |
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| 193 | ### Time loop for plotting device |
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| 194 | found_lct = False |
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| 195 | nplot = 1 |
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| 196 | itime = first |
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| 197 | error = False |
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| 198 | if itstep is None and numplot > 0: itstep = int(24./numplot) |
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| 199 | elif numplot <= 0: itstep = 1 |
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| 200 | |
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| 201 | #for nplot in range(numplot): |
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| 202 | while error is False: |
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| 203 | print "nplot", nplot |
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| 204 | print error |
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| 205 | |
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| 206 | ### Which local time ? |
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| 207 | ltst = localtime ( interv[0]+itime*interv[1], 0.5*(wlon[0]+wlon[1]) ) |
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| 208 | |
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| 209 | ### General plot settings |
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| 210 | #print itime, int(ltst), numplot, nplot |
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| 211 | if numplot >= 1: |
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| 212 | if nplot > numplot: break |
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| 213 | if numplot > 1: |
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| 214 | if typefile not in ['geo']: subplot(subv,subh,nplot) |
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| 215 | found_lct = True |
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| 216 | ### If only one local time is requested (numplot < 0) |
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| 217 | elif numplot <= 0: |
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| 218 | if int(ltst) + numplot != 0: |
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| 219 | itime += 1 |
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| 220 | if found_lct is True: break ## because it means LT was found at previous iteration |
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| 221 | else: continue ## continue to iterate to find the correct LT |
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| 222 | else: |
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| 223 | found_lct = True |
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| 224 | |
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| 225 | ### Map projection |
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| 226 | if mapmode == 1: |
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| 227 | m = define_proj(proj,wlon,wlat,back=back) |
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| 228 | x, y = m(lon2d, lat2d) |
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| 229 | |
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| 230 | #################################################################### |
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| 231 | if typefile in ['meso','mesoapi'] and mapmode == 1: |
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| 232 | indextime = itime |
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| 233 | indexlon = None |
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| 234 | indexlat = None |
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| 235 | indexvert = level ## ou svert ??? |
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| 236 | nlon = 1 |
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| 237 | nlat = 1 |
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| 238 | nvert = 1 |
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| 239 | ntime = 1 |
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| 240 | else: |
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| 241 | ## get all indexes to be taken into account for this subplot and then reduce field |
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| 242 | ## 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 |
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| 243 | indexlon = getsindex(slon,(nplot-1)%nlon,lon) |
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| 244 | indexlat = getsindex(slat,((nplot-1)//nlon)%nlat,lat) |
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| 245 | indexvert = getsindex(svert,((nplot-1)//(nlon*nlat))%nvert,vert) |
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| 246 | indextime = getsindex(stime,((nplot-1)//(nlon*nlat*nvert))%ntime,time) |
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| 247 | |
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| 248 | if fileref is not None: |
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| 249 | index_f = ((nplot-1)//(nlon*nlat*nvert*ntime))%(len(namefiles)+2) |
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| 250 | else: |
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| 251 | index_f = ((nplot-1)//(nlon*nlat*nvert*ntime))%len(namefiles) |
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| 252 | |
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| 253 | print nlon, nlat, nvert, ntime |
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| 254 | print slon, slat, svert, stime |
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| 255 | print index_f |
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| 256 | print "index lon,lat,vert,time", max(indexlon), max(indexlat), max(indexvert), max(indextime) |
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| 257 | #################################################################### |
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| 258 | |
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| 259 | #### Contour plot |
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| 260 | if var2: |
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| 261 | what_I_plot, error = reducefield(all_var2[index_f], d4=indextime, d1=indexlon, d2=indexlat , d3=indexvert ) |
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| 262 | #what_I_plot = what_I_plot*mult |
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| 263 | if not error: |
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| 264 | if mapmode == 1: |
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| 265 | if typefile in ['mesoapi','meso']: what_I_plot = dumpbdy(what_I_plot,6) |
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| 266 | zevmin, zevmax = calculate_bounds(what_I_plot) |
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| 267 | zelevels = np.linspace(zevmin,zevmax,num=ndiv+1) #20) |
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| 268 | if var2 == 'HGT': zelevels = np.arange(-10000.,30000.,2000.) |
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| 269 | if mapmode == 0: |
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| 270 | x, y = define_axis(lon,lat,vert,time,indexlon,indexlat,indexvert,\ |
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| 271 | indextime,what_I_plot.shape, len(all_var2[index_f].shape),vertmode) |
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| 272 | ### If we plot a 2-D field |
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| 273 | if len(what_I_plot.shape) is 2: |
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| 274 | cs = contour(x,y,what_I_plot, zelevels, colors='k', linewidths = 1 ) #0.33 colors='w' )# , alpha=0.5) |
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| 275 | if typefile in ['gcm']: clabel(cs,fmt = '%1.2e') |
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| 276 | ### If we plot a 1-D field |
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| 277 | elif len(what_I_plot.shape) is 1: |
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| 278 | plot(what_I_plot,x) |
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| 279 | else: |
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| 280 | errormess("There is an error in reducing field !") |
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| 281 | |
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| 282 | #### Shaded plot |
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| 283 | if var: |
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| 284 | what_I_plot, error = reducefield(all_var[index_f], d4=indextime, d1=indexlon, d2=indexlat , d3=indexvert ) |
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| 285 | what_I_plot = what_I_plot*mult |
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| 286 | if not error: |
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| 287 | fvar = var |
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| 288 | ### |
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| 289 | if anomaly: |
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| 290 | what_I_plot = 100. * ((what_I_plot / smooth(what_I_plot,12)) - 1.) |
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| 291 | fvar = 'anomaly' |
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| 292 | #if mult != 1: |
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| 293 | # fvar = str(mult) + "*" + var |
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| 294 | ### |
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| 295 | if mapmode == 1: |
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| 296 | if typefile in ['mesoapi','meso']: what_I_plot = dumpbdy(what_I_plot,6) |
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| 297 | elif mapmode == 0: |
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| 298 | what_I_plot, x, y = define_axis(lon,lat,vert,time,indexlon,indexlat,indexvert,\ |
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| 299 | indextime,what_I_plot, len(all_var[index_f].shape),vertmode) |
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| 300 | if (fileref is not None) and (index_f is numplot-1): |
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| 301 | zevmin, zevmax = calculate_bounds(what_I_plot,vmin=minop,vmax=maxop) |
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| 302 | else: |
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| 303 | zevmin, zevmax = calculate_bounds(what_I_plot,vmin=vmin,vmax=vmax) |
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| 304 | if colorb in ["def","nobar"]: palette = get_cmap(name=defcolorb(fvar.upper())) |
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| 305 | else: palette = get_cmap(name=colorb) |
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| 306 | ##### 2D field |
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| 307 | if len(what_I_plot.shape) is 2: |
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| 308 | if not tile: |
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| 309 | if not hole: what_I_plot = bounds(what_I_plot,zevmin,zevmax) |
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| 310 | #zelevels = np.linspace(zevmin*(1. + 1.e-7),zevmax*(1. - 1.e-7)) #,num=20) |
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| 311 | zelevels = np.linspace(zevmin,zevmax)#,num=ndiv+1) |
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| 312 | #contourf(what_I_plot, zelevels, cmap = palette ) |
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| 313 | |
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| 314 | contourf( x, y, what_I_plot, zelevels, cmap = palette ) |
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| 315 | if invert_y: |
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| 316 | lima,limb = mpl.pyplot.ylim() |
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| 317 | mpl.pyplot.ylim(limb,lima) |
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| 318 | |
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| 319 | else: |
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| 320 | if hole: what_I_plot = nolow(what_I_plot) |
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| 321 | pcolor( x, y, what_I_plot, cmap = palette, vmin=zevmin, vmax=zevmax ) |
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| 322 | if colorb != 'nobar' and var != 'HGT' : |
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| 323 | if (fileref is not None) and (index_f is numplot-1): |
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| 324 | colorbar(fraction=0.05,pad=0.03,format="%.2f",\ |
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| 325 | ticks=np.linspace(zevmin,zevmax,min([ndiv+1,20])),\ |
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| 326 | extend='neither',spacing='proportional') |
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| 327 | else: |
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| 328 | colorbar(fraction=0.05,pad=0.03,format=fmtvar(fvar.upper()),\ |
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| 329 | ticks=np.linspace(zevmin,zevmax,min([ndiv+1,20])),\ |
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| 330 | extend='neither',spacing='proportional') |
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| 331 | |
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| 332 | # both min max neither |
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| 333 | ##### 1D field |
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| 334 | elif len(what_I_plot.shape) is 1: |
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| 335 | plot(x,what_I_plot) |
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| 336 | #### Other cases: (maybe plot 3-D field one day or movie ??) |
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| 337 | else: |
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| 338 | print "WARNING!!! ",len(what_I_plot.shape),"-D PLOT NOT SUPPORTED !!!" |
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| 339 | print "field dimensions: ", what_I_plot.shape |
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| 340 | exit() |
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| 341 | |
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| 342 | else: |
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| 343 | errormess("There is an error in reducing field !") |
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| 344 | |
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| 345 | ### Vector plot --- a adapter |
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| 346 | if winds: |
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| 347 | vecx, error = reducefield( getfield(nc,uchar), d4=indextime, d3=indexvert ) |
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| 348 | vecy, error = reducefield( getfield(nc,vchar), d4=indextime, d3=indexvert ) |
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| 349 | #what_I_plot, error = reducefield(all_var[index_f], d4=indextime, d1=indexlon, d2=indexlat , d3=indexvert ) |
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| 350 | if not error: |
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| 351 | if typefile in ['mesoapi','meso']: |
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| 352 | [vecx,vecy] = [dumpbdy(vecx,6,stag=uchar), dumpbdy(vecy,6,stag=vchar)] |
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| 353 | key = True |
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| 354 | elif typefile in ['gcm']: |
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| 355 | key = False |
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| 356 | if metwind: [vecx,vecy] = m.rotate_vector(vecx, vecy, lon2d, lat2d) |
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| 357 | if var == False: colorvec = definecolorvec(back) |
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| 358 | else: colorvec = definecolorvec(colorb) |
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| 359 | vectorfield(vecx, vecy,\ |
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| 360 | x, y, stride=stride, csmooth=2,\ |
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| 361 | #scale=15., factor=300., color=colorvec, key=key) |
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| 362 | scale=20., factor=250., color=colorvec, key=key) |
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| 363 | #200. ## or csmooth=stride |
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| 364 | |
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| 365 | ### Next subplot |
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| 366 | if typefile in ['mesoapi','meso']: |
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| 367 | plottitle = basename |
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| 368 | if addchar: plottitle = plottitle + addchar + "_LT"+str(ltst) |
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| 369 | else: plottitle = plottitle + "_LT"+str(ltst) |
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| 370 | else: |
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| 371 | if fileref is not None: |
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| 372 | if index_f is numplot-1: |
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| 373 | plottitle = basename+' '+"fig(1) "+ope+" fig(2)" |
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| 374 | elif index_f is numplot-2: |
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| 375 | plottitle = basename+' '+fileref |
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| 376 | else: |
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| 377 | plottitle = basename+' '+namefiles[index_f] |
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| 378 | else: |
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| 379 | plottitle = basename+' '+namefiles[index_f] |
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| 380 | if mult != 1: plottitle = str(mult) + "*" + plottitle |
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| 381 | if zetitle != "fill": |
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| 382 | plottitle = zetitle |
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| 383 | if titleref is "fill": |
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| 384 | titleref=zetitle |
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| 385 | if fileref is not None: |
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| 386 | if index_f is numplot-2: |
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| 387 | plottitle = titleref |
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| 388 | if index_f is numplot-1: |
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| 389 | plottitle = "fig(1) "+ope+" fig(2)" |
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| 390 | # if indexlon is not None: |
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| 391 | # plottitle = plottitle + " lon: " + str(min(lon[indexlon])) +" "+ str(max(lon[indexlon])) |
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| 392 | # if indexlat is not None: |
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| 393 | # plottitle = plottitle + " lat: " + str(min(lat[indexlat])) +" "+ str(max(lat[indexlat])) |
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| 394 | # if indexvert is not None: |
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| 395 | # plottitle = plottitle + " vert: " + str(min(vert[indexvert])) +" "+ str(max(vert[indexvert])) |
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| 396 | # if indextime is not None: |
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| 397 | # plottitle = plottitle + " time: " + str(min(time[indextime])) +" "+ str(max(time[indextime])) |
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| 398 | ptitle( plottitle ) |
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| 399 | itime += itstep |
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| 400 | if nplot >= numplot: |
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| 401 | error = True |
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| 402 | nplot += 1 |
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| 403 | |
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| 404 | |
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| 405 | |
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| 406 | |
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| 407 | |
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| 408 | |
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| 409 | |
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| 410 | |
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| 411 | ########################################################################## |
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| 412 | ### Save the figure in a file in the data folder or an user-defined folder |
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| 413 | if outputname is None: |
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| 414 | if typefile in ['meso','mesoapi']: prefix = getprefix(nc) |
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| 415 | elif typefile in ['gcm']: prefix = 'LMD_GCM_' |
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| 416 | else: prefix = '' |
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| 417 | ### |
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| 418 | zeplot = prefix + basename |
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| 419 | if addchar: zeplot = zeplot + addchar |
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| 420 | if numplot <= 0: zeplot = zeplot + "_LT"+str(abs(numplot)) |
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| 421 | ### |
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| 422 | if not target: zeplot = namefile[0:find(namefile,'wrfout')] + zeplot |
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| 423 | else: zeplot = target + "/" + zeplot |
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| 424 | ### |
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| 425 | else: |
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| 426 | zeplot=outputname |
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| 427 | |
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| 428 | if found_lct: |
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| 429 | pad_inches_value = 0.35 |
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| 430 | print "save", save |
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| 431 | if save == 'png': |
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| 432 | if display: makeplotres(zeplot,res=100.,pad_inches_value=pad_inches_value) #,erase=True) ## a miniature |
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| 433 | makeplotres(zeplot,res=resolution,pad_inches_value=pad_inches_value,disp=False) |
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| 434 | elif save in ['eps','svg','pdf']: |
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| 435 | makeplotres(zeplot, pad_inches_value=pad_inches_value,disp=False,ext=save) |
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| 436 | elif save == 'gui': |
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| 437 | show() |
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| 438 | else: |
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| 439 | print "save mode not supported. using gui instead." |
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| 440 | show() |
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| 441 | else: print "Local time not found" |
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| 442 | |
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| 443 | ############### |
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| 444 | ### Now the end |
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| 445 | return zeplot |
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