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 -- 11/2011 -- Mostly minor improvements and inter-plot operation capabilities + zrecast interpolation for gcm |
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8 | ### A. Spiga -- LMD -- 11/2011 -- Extended multivar subplot capabilities + cosmetic changes + general cleaning and tests |
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9 | |
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10 | def planetoplot (namefiles,\ |
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11 | level=0,\ |
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12 | vertmode=0,\ |
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13 | proj=None,\ |
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14 | back=None,\ |
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15 | target=None, |
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16 | stride=3,\ |
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17 | numplot=None,\ |
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18 | var=None,\ |
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19 | colorb="def",\ |
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20 | winds=True,\ |
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21 | addchar=None,\ |
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22 | interv=[0,1],\ |
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23 | vmin=None,\ |
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24 | vmax=None,\ |
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25 | tile=False,\ |
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26 | zoom=None,\ |
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27 | display=True,\ |
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28 | itstep=None,\ |
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29 | hole=False,\ |
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30 | save="gui",\ |
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31 | anomaly=False,\ |
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32 | var2=None,\ |
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33 | ndiv=10,\ |
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34 | first=1,\ |
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35 | mult=1.,\ |
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36 | zetitle="fill",\ |
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37 | slon=None,\ |
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38 | slat=None,\ |
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39 | svert=None,\ |
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40 | stime=None,\ |
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41 | outputname=None,\ |
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42 | resolution=200,\ |
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43 | ope=None,\ |
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44 | fileref=None,\ |
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45 | minop=0.,\ |
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46 | maxop=0.,\ |
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47 | titleref="fill",\ |
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48 | invert_y=False,\ |
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49 | xaxis=[None,None],\ |
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50 | yaxis=[None,None],\ |
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51 | ylog=False,\ |
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52 | yintegral=False,\ |
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53 | blat=None,\ |
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54 | tsat=False): |
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55 | |
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56 | |
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57 | #################################################################################################################### |
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58 | ### Colorbars http://www.scipy.org/Cookbook/Matplotlib/Show_colormaps?action=AttachFile&do=get&target=colormaps3.png |
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59 | |
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60 | ################################# |
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61 | ### Load librairies and functions |
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62 | from netCDF4 import Dataset |
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63 | from myplot import getcoord2d,define_proj,makeplotres,simplinterv,vectorfield,ptitle,latinterv,getproj,wrfinterv,dumpbdy,\ |
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64 | fmtvar,definecolorvec,defcolorb,getprefix,putpoints,calculate_bounds,errormess,definesubplot,\ |
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65 | zoomset,getcoorddef,getwinddef,whatkindfile,reducefield,bounds,getstralt,getfield,smooth,nolow,\ |
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66 | getname,localtime,polarinterv,getsindex,define_axis,determineplot,readslices |
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67 | from mymath import deg,max,min,mean,get_tsat |
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68 | import matplotlib as mpl |
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69 | from matplotlib.pyplot import contour,contourf, subplot, figure, rcParams, savefig, colorbar, pcolor, show, plot, clabel, title |
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70 | from matplotlib.cm import get_cmap |
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71 | import numpy as np |
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72 | from numpy.core.defchararray import find |
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73 | |
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74 | ################################ |
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75 | ### Preliminary stuff |
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76 | ################################ |
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77 | print "********************************************" |
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78 | print "********** WELCOME TO PLANETOPLOT **********" |
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79 | print "********************************************" |
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80 | if not isinstance(namefiles, np.ndarray): namefiles = [namefiles] |
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81 | if not isinstance(var, np.ndarray): var = [var] |
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82 | if ope is not None and len(var) > 1: errormess("you are using an operation... please set only one var !") |
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83 | |
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84 | ################################ |
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85 | ### Which plot needs to be done? |
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86 | ################################ |
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87 | nlon, nlat, nvert, ntime, mapmode, nslices = determineplot(slon, slat, svert, stime) |
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88 | if mapmode == 0: winds=False |
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89 | elif mapmode == 1: |
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90 | if svert is None: svert = readslices(str(level)) ; nvert=1 |
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91 | zelen = len(namefiles)*len(var) |
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92 | if numplot is None: numplot = zelen*nslices |
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93 | print "********** FILES, SLICES, VARS, TOTAL PLOTS: ", len(namefiles), nslices, len(var), numplot |
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94 | print "********** MAPMODE: ", mapmode |
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95 | if fileref is not None: all_var = [[]]*(zelen+2) ; all_varname = [[]]*(zelen+2) |
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96 | else: all_var = [[]]*zelen ; all_var2 = [[]]*zelen ; all_title = [[]]*zelen ; all_varname = [[]]*zelen |
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97 | |
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98 | ################################################################################################# |
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99 | ### Loop over the files + vars initially separated by commas to be plotted on the same figure ### |
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100 | ################################################################################################# |
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101 | k = 0 |
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102 | firstfile = True |
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103 | for nnn in range(len(namefiles)): |
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104 | for vvv in range(len(var)): |
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105 | |
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106 | print "********** LOOP..... THIS IS SUBPLOT NUMBER.....",k |
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107 | |
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108 | ###################### |
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109 | ### Load NETCDF object |
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110 | namefile = namefiles[nnn] ; print "********** THE NAMEFILE IS....", namefile |
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111 | nc = Dataset(namefile) |
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112 | |
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113 | ################################## |
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114 | ### Initial checks and definitions |
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115 | ### ... TYPEFILE |
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116 | typefile = whatkindfile(nc) |
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117 | if firstfile: typefile0 = typefile |
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118 | elif typefile != typefile0: errormess("Not the same kind of files !", [typefile0, typefile]) |
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119 | ### ... VAR |
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120 | varname=var[vvv] |
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121 | print "********** THE VAR IS....",varname, var2 |
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122 | if varname not in nc.variables: varname = False |
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123 | ### ... WINDS |
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124 | if winds: |
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125 | [uchar,vchar,metwind] = getwinddef(nc) |
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126 | if uchar == 'not found': winds = False |
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127 | if not varname and not winds: errormess("please set at least winds or var",printvar=nc.variables) |
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128 | ### ... COORDINATES, could be moved below |
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129 | [lon2d,lat2d] = getcoorddef(nc) |
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130 | ### ... PROJECTION |
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131 | if proj == None: proj = getproj(nc) |
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132 | |
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133 | ########################################################## |
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134 | if typefile == "gcm": |
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135 | lat = nc.variables["latitude"][:] |
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136 | lon = nc.variables["longitude"][:] |
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137 | if "Time" in nc.variables: |
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138 | time = nc.variables["Time"][:] |
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139 | elif "time" in nc.variables: |
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140 | time = nc.variables["time"][:] |
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141 | else: |
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142 | print "no time axis found." |
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143 | exit() |
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144 | vert = nc.variables["altitude"][:] |
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145 | elif typefile in ['meso','mesoapi']: |
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146 | if varname in ['PHTOT','W']: vertdim='BOTTOM-TOP_PATCH_END_STAG' |
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147 | else: vertdim='BOTTOM-TOP_PATCH_END_UNSTAG' |
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148 | if varname in ['V']: latdim='SOUTH-NORTH_PATCH_END_STAG' |
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149 | else: latdim='SOUTH-NORTH_PATCH_END_UNSTAG' |
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150 | if varname in ['U']: londim='WEST-EAST_PATCH_END_STAG' |
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151 | else: londim='WEST-EAST_PATCH_END_UNSTAG' |
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152 | lon = np.arange(0,getattr(nc,londim),1) |
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153 | lat = np.arange(0,getattr(nc,latdim),1) |
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154 | if vertmode is None: vertmode=0 |
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155 | if vertmode == 0: vert = np.arange(0,getattr(nc,vertdim),1) |
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156 | else: vert = nc.variables["vert"][:] |
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157 | time = np.arange(0,len(nc.variables["Times"]),1) |
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158 | #if firstfile: |
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159 | # lat0 = lat |
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160 | #elif len(lat0) != len(lat): |
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161 | # errormess("Not the same latitude lengths !", [len(lat0), len(lat)]) |
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162 | #elif sum((lat == lat0) == False) != 0: |
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163 | # errormess("Not the same latitudes !", [lat,lat0]) |
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164 | ## Faire d'autre checks sur les compatibilites entre fichiers!! |
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165 | ########################################################## |
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166 | |
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167 | if firstfile: |
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168 | ########################## |
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169 | ### Define plot boundaries |
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170 | ### todo: possible areas in latinterv in argument (ex: "Far_South_Pole") |
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171 | if proj in ["npstere","spstere"]: [wlon,wlat] = polarinterv(lon2d,lat2d) |
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172 | elif proj in ["lcc","laea"]: [wlon,wlat] = wrfinterv(lon2d,lat2d) |
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173 | else: [wlon,wlat] = simplinterv(lon2d,lat2d) |
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174 | if zoom: [wlon,wlat] = zoomset(wlon,wlat,zoom) |
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175 | ### ... NAME FOR TITLE and FILE (have to do something for multiple vars...) |
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176 | basename = getname(var=varname,winds=winds,anomaly=anomaly) |
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177 | basename = basename + getstralt(nc,level) ## can be moved elsewhere for a more generic routine |
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178 | |
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179 | ##### SPECIFIC |
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180 | if varname in ["temp","t","T_nadir_nit","T_nadir_day"] and tsat: |
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181 | tt=getfield(nc,varname) ; print "computing Tsat-T, I ASSUME Z-AXIS IS PRESSURE" |
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182 | if type(tt).__name__=='MaskedArray': tt.set_fill_value([np.NaN]) ; tinput=tt.filled() |
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183 | else: tinput=tt |
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184 | all_var[k]=get_tsat(vert,tinput,zlon=lon,zlat=lat,zalt=vert,ztime=time) |
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185 | all_varname[k] = varname |
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186 | else: |
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187 | ##### GENERAL STUFF HERE |
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188 | all_var[k] = getfield(nc,varname) |
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189 | all_varname[k] = varname |
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190 | if var2: all_var2[k] = getfield(nc,var2) |
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191 | |
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192 | print "********** all_var[k].shape", all_var[k].shape |
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193 | k += 1 |
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194 | firstfile = False |
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195 | #### End of for namefile in namefiles |
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196 | |
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197 | ################################## |
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198 | ### Operation on files |
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199 | ### ... for the moment only OK when 1 var only |
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200 | if ope is not None: |
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201 | print ope |
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202 | if ope in ["-","+"]: |
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203 | if fileref is not None: all_var[k] = getfield(Dataset(fileref),all_varname[k-1]) ; all_varname[k] = all_varname[k-1] |
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204 | else: errormess("fileref is missing!") |
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205 | if ope == "-": all_var[k+1]= all_var[k-1] - all_var[k] |
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206 | elif ope == "+": all_var[k+1]= all_var[k-1] + all_var[k] |
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207 | all_varname[k+1] = all_varname[k] |
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208 | numplot = numplot+2 |
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209 | elif ope in ["cat"]: |
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210 | tab = all_var[0];k = 0 |
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211 | while k != len(namefiles)-1: |
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212 | tab = np.append(tab,all_var[k],axis=0) |
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213 | k += 1 |
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214 | time = np.arange(0,len(tab),1) ### AS: time reference is simple, should be better |
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215 | all_var[0] = np.array(tab);numplot = 1 |
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216 | elif ope is not None: |
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217 | errormess(ope+" : non-implemented operation. Available op. are + and -.") |
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218 | |
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219 | ################################## |
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220 | ### Open a figure and set subplots |
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221 | fig = figure() |
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222 | subv,subh = definesubplot( numplot, fig ) |
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223 | |
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224 | ################################# |
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225 | ### Time loop for plotting device |
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226 | found_lct = False;nplot = 1;itime = first;error = False |
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227 | if itstep is None and numplot > 0: itstep = int(24./numplot) |
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228 | elif numplot <= 0: itstep = 1 |
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229 | |
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230 | print "********************************************" |
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231 | while error is False: |
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232 | print "********** nplot", nplot, "itime",itime,"error",error |
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233 | |
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234 | ### Which local time ? |
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235 | ltst = localtime ( interv[0]+itime*interv[1], 0.5*(wlon[0]+wlon[1]) ) |
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236 | |
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237 | ### General plot settings |
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238 | #print itime, int(ltst), numplot, nplot |
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239 | if numplot >= 1: |
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240 | if nplot > numplot: break |
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241 | if numplot > 1: |
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242 | if typefile not in ['geo']: subplot(subv,subh,nplot) |
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243 | found_lct = True |
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244 | ### If only one local time is requested (numplot < 0) |
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245 | elif numplot <= 0: |
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246 | if int(ltst) + numplot != 0: |
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247 | itime += 1 |
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248 | if found_lct is True: break ## because it means LT was found at previous iteration |
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249 | else: continue ## continue to iterate to find the correct LT |
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250 | else: |
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251 | found_lct = True |
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252 | |
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253 | ### Map projection |
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254 | if mapmode == 1: |
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255 | m = define_proj(proj,wlon,wlat,back=back,blat=blat) |
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256 | x, y = m(lon2d, lat2d) |
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257 | |
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258 | #################################################################### |
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259 | ## get all indexes to be taken into account for this subplot and then reduce field |
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260 | ## 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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261 | indexlon = getsindex(slon,(nplot-1)%nlon,lon) |
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262 | indexlat = getsindex(slat,((nplot-1)//nlon)%nlat,lat) |
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263 | indexvert = getsindex(svert,((nplot-1)//(nlon*nlat))%nvert,vert) |
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264 | if mapmode == 1 and stime is None: |
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265 | indextime = itime |
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266 | if len(var) != 1 or len(namefiles) != 1: indextime = first |
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267 | else: |
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268 | indextime = getsindex(stime,((nplot-1)//(nlon*nlat*nvert))%ntime,time) |
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269 | |
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270 | if fileref is not None: |
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271 | index_f = ((nplot-1)//(nlon*nlat*nvert*ntime))%(len(namefiles)+2) ## OK only 1 var, see test in the beginning |
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272 | else: |
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273 | yeah = len(namefiles)*len(var) |
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274 | index_f = ((nplot-1)//(nlon*nlat*nvert*ntime))%yeah |
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275 | #print nlon, nlat, nvert, ntime |
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276 | #print slon, slat, svert, stime |
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277 | #print index_f |
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278 | #print "index lon,lat,vert,time", max(indexlon), max(indexlat), max(indexvert), max(indextime) |
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279 | #if varname != all_varname[index_f]: indextime = first |
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280 | #################################################################### |
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281 | |
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282 | ticks = ndiv + 1 |
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283 | |
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284 | #### Contour plot |
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285 | if var2: |
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286 | what_I_plot, error = reducefield(all_var2[index_f], d4=indextime, d1=indexlon, d2=indexlat , d3=indexvert, yint=yintegral, alt=vert) |
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287 | #what_I_plot = what_I_plot*mult |
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288 | if not error: |
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289 | if mapmode == 1: |
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290 | if typefile in ['mesoapi','meso']: what_I_plot = dumpbdy(what_I_plot,6) |
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291 | zevmin, zevmax = calculate_bounds(what_I_plot) |
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292 | zelevels = np.linspace(zevmin,zevmax,ticks) #20) |
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293 | if var2 == 'HGT': zelevels = np.arange(-10000.,30000.,2000.) |
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294 | if mapmode == 0: |
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295 | x, y = define_axis(lon,lat,vert,time,indexlon,indexlat,indexvert,\ |
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296 | indextime,what_I_plot.shape, len(all_var2[index_f].shape),vertmode) |
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297 | ### If we plot a 2-D field |
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298 | if len(what_I_plot.shape) is 2: |
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299 | cs = contour(x,y,what_I_plot, zelevels, colors='k', linewidths = 1 ) #0.33 colors='w' )# , alpha=0.5) |
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300 | #if typefile in ['gcm']: clabel(cs,fmt = '%1.2e') |
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301 | ### If we plot a 1-D field |
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302 | elif len(what_I_plot.shape) is 1: |
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303 | plot(what_I_plot,x) |
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304 | else: |
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305 | errormess("There is an error in reducing field !") |
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306 | |
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307 | #### Shaded plot |
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308 | varname = all_varname[index_f] |
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309 | if varname: |
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310 | what_I_plot, error = reducefield(all_var[index_f], d4=indextime, d1=indexlon, d2=indexlat , d3=indexvert , yint=yintegral, alt=vert) |
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311 | what_I_plot = what_I_plot*mult |
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312 | if not error: |
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313 | fvar = varname |
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314 | ### |
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315 | if anomaly: |
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316 | what_I_plot = 100. * ((what_I_plot / smooth(what_I_plot,12)) - 1.) |
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317 | fvar = 'anomaly' |
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318 | #if mult != 1: |
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319 | # fvar = str(mult) + "*" + var |
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320 | ### |
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321 | if mapmode == 1: |
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322 | if typefile in ['mesoapi','meso']: what_I_plot = dumpbdy(what_I_plot,6) |
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323 | elif mapmode == 0: |
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324 | what_I_plot, x, y = define_axis(lon,lat,vert,time,indexlon,indexlat,indexvert,\ |
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325 | indextime,what_I_plot, len(all_var[index_f].shape),vertmode) |
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326 | if (fileref is not None) and (index_f is numplot-1): |
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327 | zevmin, zevmax = calculate_bounds(what_I_plot,vmin=minop,vmax=maxop) |
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328 | else: |
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329 | zevmin, zevmax = calculate_bounds(what_I_plot,vmin=vmin,vmax=vmax) |
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330 | if colorb in ["def","nobar"]: palette = get_cmap(name=defcolorb(fvar.upper())) |
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331 | else: palette = get_cmap(name=colorb) |
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332 | ##### 2D field |
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333 | if len(what_I_plot.shape) is 2: |
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334 | if not tile: |
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335 | if not hole: what_I_plot = bounds(what_I_plot,zevmin,zevmax) |
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336 | #zelevels = np.linspace(zevmin*(1. + 1.e-7),zevmax*(1. - 1.e-7)) #,num=20) |
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337 | zelevels = np.linspace(zevmin,zevmax,num=ticks) |
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338 | #contourf(what_I_plot, zelevels, cmap = palette ) |
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339 | |
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340 | if mapmode == 1: |
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341 | m.contourf( x, y, what_I_plot, zelevels, cmap = palette) |
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342 | elif mapmode == 0: |
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343 | contourf( x, y, what_I_plot, zelevels, cmap = palette) |
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344 | |
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345 | zxmin, zxmax = xaxis |
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346 | zymin, zymax = yaxis |
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347 | if zxmin is not None: mpl.pyplot.xlim(xmin=zxmin) |
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348 | if zxmax is not None: mpl.pyplot.xlim(xmax=zxmax) |
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349 | if zymin is not None: mpl.pyplot.ylim(ymin=zymin) |
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350 | if zymax is not None: mpl.pyplot.ylim(ymax=zymax) |
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351 | if invert_y: lima,limb = mpl.pyplot.ylim() ; mpl.pyplot.ylim(limb,lima) |
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352 | if ylog: mpl.pyplot.semilogy() |
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353 | |
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354 | else: |
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355 | if hole: what_I_plot = nolow(what_I_plot) |
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356 | pcolor( x, y, what_I_plot, cmap = palette, vmin=zevmin, vmax=zevmax ) |
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357 | if colorb != 'nobar' and varname != 'HGT' : |
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358 | if (fileref is not None) and (index_f is numplot-1): |
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359 | colorbar(fraction=0.05,pad=0.03,format="%.2f",\ |
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360 | ticks=np.linspace(zevmin,zevmax,num=min([ticks/2+1,20])),\ |
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361 | extend='neither',spacing='proportional') |
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362 | else: |
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363 | colorbar(fraction=0.05,pad=0.03,format=fmtvar(fvar.upper()),\ |
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364 | ticks=np.linspace(zevmin,zevmax,num=min([ticks/2+1,20])),\ |
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365 | extend='neither',spacing='proportional') |
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366 | |
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367 | # both min max neither |
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368 | ##### 1D field |
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369 | elif len(what_I_plot.shape) is 1: |
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370 | plot(x,what_I_plot) |
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371 | #### Other cases: (maybe plot 3-D field one day or movie ??) |
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372 | else: |
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373 | print "WARNING!!! ",len(what_I_plot.shape),"-D PLOT NOT SUPPORTED !!!" |
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374 | print "field dimensions: ", what_I_plot.shape |
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375 | exit() |
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376 | |
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377 | else: |
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378 | errormess("There is an error in reducing field !") |
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379 | |
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380 | ### Vector plot --- a adapter |
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381 | if winds: |
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382 | vecx, error = reducefield( getfield(nc,uchar), d4=indextime, d3=indexvert , yint=yintegral , alt=vert) |
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383 | vecy, error = reducefield( getfield(nc,vchar), d4=indextime, d3=indexvert , yint=yintegral , alt=vert) |
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384 | #what_I_plot, error = reducefield(all_var[index_f], d4=indextime, d1=indexlon, d2=indexlat , d3=indexvert ) |
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385 | if not error: |
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386 | if typefile in ['mesoapi','meso']: |
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387 | [vecx,vecy] = [dumpbdy(vecx,6,stag=uchar), dumpbdy(vecy,6,stag=vchar)] |
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388 | key = True |
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389 | elif typefile in ['gcm']: |
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390 | key = False |
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391 | if metwind: [vecx,vecy] = m.rotate_vector(vecx, vecy, lon2d, lat2d) |
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392 | if varname == False: colorvec = definecolorvec(back) |
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393 | else: colorvec = definecolorvec(colorb) |
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394 | vectorfield(vecx, vecy,\ |
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395 | x, y, stride=stride, csmooth=2,\ |
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396 | #scale=15., factor=300., color=colorvec, key=key) |
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397 | scale=20., factor=250., color=colorvec, key=key) |
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398 | #200. ## or csmooth=stride |
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399 | |
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400 | ### Next subplot |
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401 | basename = getname(var=varname,winds=winds,anomaly=anomaly) |
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402 | if typefile in ['mesoapi','meso']: |
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403 | plottitle = basename |
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404 | if addchar: plottitle = plottitle + addchar + "_LT"+str(ltst) |
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405 | else: plottitle = plottitle + "_LT"+str(ltst) |
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406 | else: |
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407 | if fileref is not None: |
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408 | if index_f is numplot-1: |
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409 | plottitle = basename+' '+"fig(1) "+ope+" fig(2)" |
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410 | elif index_f is numplot-2: |
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411 | plottitle = basename+' '+fileref |
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412 | else: |
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413 | plottitle = basename+' '+namefiles[0]#index_f] |
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414 | else: |
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415 | plottitle = basename+' '+namefiles[0]#index_f] |
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416 | if mult != 1: plottitle = str(mult) + "*" + plottitle |
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417 | if zetitle != "fill": |
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418 | plottitle = zetitle |
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419 | if titleref is "fill": |
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420 | titleref=zetitle |
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421 | if fileref is not None: |
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422 | if index_f is numplot-2: |
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423 | plottitle = titleref |
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424 | if index_f is numplot-1: |
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425 | plottitle = "fig(1) "+ope+" fig(2)" |
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426 | # if indexlon is not None: |
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427 | # plottitle = plottitle + " lon: " + str(min(lon[indexlon])) +" "+ str(max(lon[indexlon])) |
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428 | # if indexlat is not None: |
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429 | # plottitle = plottitle + " lat: " + str(min(lat[indexlat])) +" "+ str(max(lat[indexlat])) |
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430 | # if indexvert is not None: |
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431 | # plottitle = plottitle + " vert: " + str(min(vert[indexvert])) +" "+ str(max(vert[indexvert])) |
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432 | # if indextime is not None: |
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433 | # plottitle = plottitle + " time: " + str(min(time[indextime])) +" "+ str(max(time[indextime])) |
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434 | title( plottitle ) |
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435 | itime += itstep |
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436 | if nplot >= numplot: |
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437 | error = True |
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438 | nplot += 1 |
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439 | |
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440 | |
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441 | |
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442 | |
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443 | |
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444 | |
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445 | |
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446 | |
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447 | ########################################################################## |
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448 | ### Save the figure in a file in the data folder or an user-defined folder |
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449 | if outputname is None: |
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450 | if typefile in ['meso','mesoapi']: prefix = getprefix(nc) |
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451 | elif typefile in ['gcm']: prefix = 'LMD_GCM_' |
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452 | else: prefix = '' |
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453 | ### |
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454 | zeplot = prefix + basename |
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455 | if addchar: zeplot = zeplot + addchar |
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456 | if numplot <= 0: zeplot = zeplot + "_LT"+str(abs(numplot)) |
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457 | ### |
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458 | if not target: zeplot = namefile[0:find(namefile,'wrfout')] + zeplot |
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459 | else: zeplot = target + "/" + zeplot |
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460 | ### |
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461 | else: |
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462 | zeplot=outputname |
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463 | |
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464 | if found_lct: |
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465 | pad_inches_value = 0.35 |
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466 | print "********** SAVE ", save |
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467 | if save == 'png': |
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468 | if display: makeplotres(zeplot,res=100.,pad_inches_value=pad_inches_value) #,erase=True) ## a miniature |
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469 | makeplotres(zeplot,res=resolution,pad_inches_value=pad_inches_value,disp=False) |
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470 | elif save in ['eps','svg','pdf']: |
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471 | makeplotres(zeplot, pad_inches_value=pad_inches_value,disp=False,ext=save) |
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472 | elif save == 'gui': |
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473 | show() |
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474 | else: |
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475 | print "INFO: save mode not supported. using gui instead." |
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476 | show() |
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477 | else: print "!!! Local time not found" |
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478 | |
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479 | ############### |
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480 | ### Now the end |
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481 | return zeplot |
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