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source: trunk/UTIL/PYTHON/planetoplot.py @ 419

Last change on this file since 419 was 419, checked in by acolaitis, 13 years ago
Sorry, little mistake in previous commit, corrected
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1	#######################
2	##### PLANETOPLOT #####
3	#######################
4
5	### A. Spiga -- LMD -- 06~09/2011 -- General building and mapping capabilities
6	### T. Navarro -- LMD -- 10~11/2011 -- Improved use for GCM and added sections + 1Dplot capabilities
7	### A. Colaitis -- LMD -- 11/2011 -- Mostly minor improvements and inter-plot operation capabilities + zrecast interpolation for gcm
8	### A. Spiga -- LMD -- 11/2011 -- Extended multivar subplot capabilities + cosmetic changes + general cleaning and tests
9
10	def planetoplot (namefiles,\
11	level=0,\
12	vertmode=0,\
13	proj=None,\
14	back=None,\
15	target=None,
16	stride=3,\
17	numplot=None,\
18	var=None,\
19	colorb="def",\
20	winds=False,\
21	addchar=None,\
22	interv=[0,1],\
23	vmin=None,\
24	vmax=None,\
25	tile=False,\
26	zoom=None,\
27	display=True,\
28	itstep=None,\
29	hole=False,\
30	save="gui",\
31	anomaly=False,\
32	var2=None,\
33	ndiv=10,\
34	first=1,\
35	mult=1.,\
36	zetitle="fill",\
37	slon=None,\
38	slat=None,\
39	svert=None,\
40	stime=None,\
41	outputname=None,\
42	resolution=200,\
43	ope=None,\
44	fileref=None,\
45	minop=0.,\
46	maxop=0.,\
47	titleref="fill",\
48	invert_y=False,\
49	xaxis=[None,None],\
50	yaxis=[None,None],\
51	ylog=False,\
52	yintegral=False,\
53	blat=None,\
54	tsat=False,\
55	flagnolow=False):
56
57
58	####################################################################################################################
59	### Colorbars http://www.scipy.org/Cookbook/Matplotlib/Show_colormaps?action=AttachFile&do=get&target=colormaps3.png
60
61	#################################
62	### Load librairies and functions
63	from netCDF4 import Dataset
64	from myplot import getcoord2d,define_proj,makeplotres,simplinterv,vectorfield,ptitle,latinterv,getproj,wrfinterv,dumpbdy,\
65	fmtvar,definecolorvec,defcolorb,getprefix,putpoints,calculate_bounds,errormess,definesubplot,\
66	zoomset,getcoorddef,getwinddef,whatkindfile,reducefield,bounds,getstralt,getfield,smooth,nolow,\
67	getname,localtime,polarinterv,getsindex,define_axis,determineplot,readslices,bidimfind,getlschar,hole_bounds
68	from mymath import deg,max,min,mean,get_tsat,writeascii
69	import matplotlib as mpl
70	from matplotlib.pyplot import contour,contourf, subplot, figure, rcParams, savefig, colorbar, pcolor, show, plot, clabel, title
71	from matplotlib.cm import get_cmap
72	import numpy as np
73	from numpy.core.defchararray import find
74
75	################################
76	### Preliminary stuff
77	################################
78	print "********************************************"
79	print "******** WELCOME TO PLANETOPLOT ********"
80	print "********************************************"
81	if not isinstance(namefiles, np.ndarray): namefiles = [namefiles]
82	if not isinstance(var, np.ndarray): var = [var]
83	if ope is not None and len(var) > 1: errormess("you are using an operation... please set only one var !")
84
85	################################
86	### Which plot needs to be done?
87	################################
88	nlon, nlat, nvert, ntime, mapmode, nslices = determineplot(slon, slat, svert, stime)
89	vlon = None ; vlat = None
90	if slon is not None: vlon = slon[0][0]
91	if slat is not None: vlat = slat[0][0]
92	if mapmode == 0: winds=False
93	elif mapmode == 1:
94	if svert is None: svert = readslices(str(level)) ; nvert=1
95	zelen = len(namefiles)*len(var)
96	if numplot is None: numplot = zelen*nslices
97	print "********** FILES, SLICES, VARS, TOTAL PLOTS: ", len(namefiles), nslices, len(var), numplot
98	print "********** MAPMODE: ", mapmode
99	if fileref is not None: all_var = [[]](zelen+2) ; all_varname = [[]](zelen+2) ; all_namefile = [[]](zelen+2) ; all_time = [[]](zelen+2)
100	else: all_var = [[]]zelen ; all_var2 = [[]]zelen ; all_title = [[]]zelen ; all_varname = [[]]zelen ; all_namefile = [[]]zelen ; all_time = [[]]zelen
101
102	#################################################################################################
103	### Loop over the files + vars initially separated by commas to be plotted on the same figure ###
104	#################################################################################################
105	k = 0 ; firstfile = True
106	for nnn in range(len(namefiles)):
107	for vvv in range(len(var)):
108
109	print "********** LOOP..... THIS IS SUBPLOT NUMBER.....",k
110
111	######################
112	### Load NETCDF object
113	namefile = namefiles[nnn] ; print "********** THE NAMEFILE IS....", namefile
114	nc = Dataset(namefile)
115
116	##################################
117	### Initial checks and definitions
118	### ... TYPEFILE
119	typefile = whatkindfile(nc)
120	if firstfile: typefile0 = typefile
121	elif typefile != typefile0: errormess("Not the same kind of files !", [typefile0, typefile])
122	### ... VAR
123	varname=var[vvv]
124	print "********** THE VAR IS....",varname, var2
125	if varname not in nc.variables: varname = False
126	### ... WINDS
127	if winds:
128	[uchar,vchar,metwind] = getwinddef(nc)
129	if uchar == 'not found': winds = False
130	if not varname and not winds: errormess("please set at least winds or var",printvar=nc.variables)
131	### ... COORDINATES, could be moved below
132	[lon2d,lat2d] = getcoorddef(nc)
133	### ... PROJECTION
134	if proj == None: proj = getproj(nc)
135
136	##########################################################
137	if typefile == "gcm":
138	lat = nc.variables["latitude"][:] ; lon = nc.variables["longitude"][:]
139	if "Time" in nc.variables: time = nc.variables["Time"][:]
140	elif "time" in nc.variables: time = nc.variables["time"][:]
141	else: errormess("no time axis found.")
142	vert = nc.variables["altitude"][:]
143	elif typefile in ['meso','mesoapi']:
144	if vlon is not None or vlat is not None: indices = bidimfind(lon2d,lat2d,vlon,vlat) ; print '********** INDICES: ', indices
145	if slon is not None: slon[0][0] = indices[0] ; slon[0][1] = indices[0]
146	if slat is not None: slat[0][0] = indices[1] ; slat[0][1] = indices[1]
147	if varname in ['PHTOT','W']: vertdim='BOTTOM-TOP_PATCH_END_STAG'
148	else: vertdim='BOTTOM-TOP_PATCH_END_UNSTAG'
149	if varname in ['V']: latdim='SOUTH-NORTH_PATCH_END_STAG'
150	else: latdim='SOUTH-NORTH_PATCH_END_UNSTAG'
151	if varname in ['U']: londim='WEST-EAST_PATCH_END_STAG'
152	else: londim='WEST-EAST_PATCH_END_UNSTAG'
153	lon = np.arange(0,getattr(nc,londim),1) ; lat = np.arange(0,getattr(nc,latdim),1)
154	if vertmode is None: vertmode=0
155	if vertmode == 0: vert = np.arange(0,getattr(nc,vertdim),1)
156	else: vert = nc.variables["vert"][:]
157	time = np.arange(0,len(nc.variables["Times"]),1)
158	#if firstfile:
159	# lat0 = lat
160	#elif len(lat0) != len(lat):
161	# errormess("Not the same latitude lengths !", [len(lat0), len(lat)])
162	#elif sum((lat == lat0) == False) != 0:
163	# errormess("Not the same latitudes !", [lat,lat0])
164	## Faire d'autre checks sur les compatibilites entre fichiers!!
165	##########################################################
166
167	if firstfile:
168	##########################
169	### Define plot boundaries
170	### todo: possible areas in latinterv in argument (ex: "Far_South_Pole")
171	if proj in ["npstere","spstere"]: [wlon,wlat] = polarinterv(lon2d,lat2d)
172	elif proj in ["lcc","laea"]: [wlon,wlat] = wrfinterv(lon2d,lat2d)
173	else: [wlon,wlat] = simplinterv(lon2d,lat2d)
174	if zoom: [wlon,wlat] = zoomset(wlon,wlat,zoom)
175
176	all_varname[k] = varname
177	all_namefile[k] = namefile
178	all_time[k] = time
179	if var2: all_var2[k] = getfield(nc,var2)
180	##### SPECIFIC
181	if varname in ["temp","t","T_nadir_nit","T_nadir_day","temp_day","temp_night"] and tsat:
182	tt=getfield(nc,varname) ; print "computing Tsat-T, I ASSUME Z-AXIS IS PRESSURE"
183	if type(tt).__name__=='MaskedArray': tt.set_fill_value([np.NaN]) ; tinput=tt.filled()
184	else: tinput=tt
185	all_var[k]=get_tsat(vert,tinput,zlon=lon,zlat=lat,zalt=vert,ztime=time)
186	else:
187	##### GENERAL STUFF HERE
188	all_var[k] = getfield(nc,varname)
189	print "********** all_var[k].shape", all_var[k].shape
190	k += 1
191	firstfile = False
192	#### End of for namefile in namefiles
193
194	##################################
195	### Operation on files
196	### ... for the moment only OK when 1 var only
197	if ope is not None:
198	print ope
199	if ope in ["-","+"]:
200	if fileref is not None: all_var[k] = getfield(Dataset(fileref),all_varname[k-1]) ; all_varname[k] = all_varname[k-1]
201	else: errormess("fileref is missing!")
202	if ope == "-": all_var[k+1]= all_var[k-1] - all_var[k]
203	elif ope == "+": all_var[k+1]= all_var[k-1] + all_var[k]
204	all_varname[k+1] = all_varname[k] ; numplot = numplot+2
205	elif ope in ["cat"]:
206	tab = all_var[0];k = 1
207	while k != len(namefiles)-1:
208	tab = np.append(tab,all_var[k],axis=0) ; k += 1
209	time = np.arange(0,len(tab),1) ### AS: time reference is too simplistic, should be better
210	all_var[0] = np.array(tab) ; numplot = 1
211	elif ope is not None:
212	errormess(ope+" : non-implemented operation. Available op. are + and -.")
213
214	##################################
215	### Open a figure and set subplots
216	fig = figure()
217	subv,subh = definesubplot( numplot, fig )
218
219	#################################
220	### Time loop for plotting device
221	found_lct = False;nplot = 1;itime = first;error = False
222	if itstep is None and numplot > 0: itstep = int(24./numplot)
223	elif numplot <= 0: itstep = 1
224	print "********************************************"
225	while error is False:
226	print "********** nplot", nplot, "itime",itime,"error",error
227
228	# time = all_time[index_f]
229
230	### Which local time ?
231	ltst = localtime ( interv[0]+itimeinterv[1], 0.5(wlon[0]+wlon[1]) )
232
233	### General plot settings
234	#print itime, int(ltst), numplot, nplot
235	if numplot >= 1:
236	if nplot > numplot: break
237	if numplot > 1:
238	if typefile not in ['geo']: subplot(subv,subh,nplot)
239	found_lct = True
240	### If only one local time is requested (numplot < 0)
241	elif numplot <= 0:
242	if int(ltst) + numplot != 0:
243	itime += 1
244	if found_lct is True: break ## because it means LT was found at previous iteration
245	else: continue ## continue to iterate to find the correct LT
246	else:
247	found_lct = True
248
249	### Map projection
250	if mapmode == 1:
251	m = define_proj(proj,wlon,wlat,back=back,blat=blat)
252	x, y = m(lon2d, lat2d)
253	####################################################################
254	## get all indexes to be taken into account for this subplot and then reduce field
255	## 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
256	indexlon = getsindex(slon,(nplot-1)%nlon,lon)
257	indexlat = getsindex(slat,((nplot-1)//nlon)%nlat,lat)
258	indexvert = getsindex(svert,((nplot-1)//(nlon*nlat))%nvert,vert)
259
260	if fileref is not None: index_f = ((nplot-1)//(nlonnlatnvert*ntime))%(len(namefiles)+2) ## OK only 1 var, see test in the beginning
261	else: yeah = len(namefiles)len(var) ; index_f = ((nplot-1)//(nlonnlatnvertntime))%yeah
262	time = all_time[index_f]
263
264	if mapmode == 1 and stime is None:
265	indextime = itime
266	if len(var) != 1 or len(namefiles) != 1: indextime = first
267	else:
268	indextime = getsindex(stime,((nplot-1)//(nlonnlatnvert))%ntime,time)
269	if typefile in ['mesoapi','meso'] and indextime is not None: ltst = localtime ( interv[0]+indextimeinterv[1], 0.5(wlon[0]+wlon[1]) )
270
271	####################################################################
272
273	ticks = ndiv + 1
274
275	#### Contour plot
276	if var2:
277	what_I_plot, error = reducefield(all_var2[index_f], d4=indextime, d1=indexlon, d2=indexlat , d3=indexvert, yint=yintegral, alt=vert)
278	#what_I_plot = what_I_plot*mult
279	if not error:
280	if mapmode == 1:
281	if typefile in ['mesoapi','meso']: what_I_plot = dumpbdy(what_I_plot,6)
282	zevmin, zevmax = calculate_bounds(what_I_plot)
283	zelevels = np.linspace(zevmin,zevmax,ticks) #20)
284	if var2 == 'HGT': zelevels = np.arange(-10000.,30000.,2000.)
285	if mapmode == 0:
286	x, y = define_axis(lon,lat,vert,time,indexlon,indexlat,indexvert,\
287	indextime,what_I_plot.shape, len(all_var2[index_f].shape),vertmode)
288	### If we plot a 2-D field
289	if len(what_I_plot.shape) is 2:
290	cs = contour(x,y,what_I_plot, zelevels, colors='k', linewidths = 1 ) #0.33 colors='w' )# , alpha=0.5)
291	#if typefile in ['gcm']: clabel(cs,fmt = '%1.2e')
292	### If we plot a 1-D field
293	elif len(what_I_plot.shape) is 1:
294	plot(what_I_plot,x)
295	else:
296	errormess("There is an error in reducing field !")
297
298	#### Shaded plot
299	varname = all_varname[index_f]
300	if varname:
301	what_I_plot, error = reducefield(all_var[index_f], d4=indextime, d1=indexlon, d2=indexlat , d3=indexvert , yint=yintegral, alt=vert, anomaly=anomaly)
302	what_I_plot = what_I_plot*mult
303	if not error:
304	fvar = varname
305	if anomaly: fvar = 'anomaly'
306	##### MAPMODE-SPECIFIC SETTINGS #####
307	if mapmode == 1:
308	if typefile in ['mesoapi','meso']: what_I_plot = dumpbdy(what_I_plot,6)
309	elif mapmode == 0:
310	what_I_plot, x, y = define_axis(lon,lat,vert,time,indexlon,indexlat,indexvert,\
311	indextime,what_I_plot, len(all_var[index_f].shape),vertmode)
312	zxmin, zxmax = xaxis ; zymin, zymax = yaxis
313	if zxmin is not None: mpl.pyplot.xlim(xmin=zxmin)
314	if zxmax is not None: mpl.pyplot.xlim(xmax=zxmax)
315	if zymin is not None: mpl.pyplot.ylim(ymin=zymin)
316	if zymax is not None: mpl.pyplot.ylim(ymax=zymax)
317	if invert_y: lima,limb = mpl.pyplot.ylim() ; mpl.pyplot.ylim(limb,lima)
318	if ylog: mpl.pyplot.semilogy()
319	if (fileref is not None) and (index_f is numplot-1): zevmin, zevmax = calculate_bounds(what_I_plot,vmin=minop,vmax=maxop)
320	else: zevmin, zevmax = calculate_bounds(what_I_plot,vmin=vmin,vmax=vmax)
321	if colorb in ["def","nobar"]: palette = get_cmap(name=defcolorb(fvar.upper()))
322	elif (fileref is not None) and (index_f is numplot-1): palette = get_cmap(name="RdBu_r")
323	else: palette = get_cmap(name=colorb)
324	##### 2D field
325	if len(what_I_plot.shape) is 2:
326	if hole: what_I_plot = hole_bounds(what_I_plot,zevmin,zevmax)
327	else: what_I_plot = bounds(what_I_plot,zevmin,zevmax)
328	if flagnolow: what_I_plot = nolow(what_I_plot)
329	if not tile:
330	#zelevels = np.linspace(zevmin(1. + 1.e-7),zevmax(1. - 1.e-7)) #,num=20)
331	zelevels = np.linspace(zevmin,zevmax,num=ticks)
332	if mapmode == 1: m.contourf( x, y, what_I_plot, zelevels, cmap = palette)
333	elif mapmode == 0: contourf( x, y, what_I_plot, zelevels, cmap = palette)
334	else:
335	if mapmode == 1: m.pcolor( x, y, what_I_plot, cmap = palette, vmin=zevmin, vmax=zevmax )
336	elif mapmode == 0: pcolor( x, y, what_I_plot, cmap = palette, vmin=zevmin, vmax=zevmax )
337	if colorb != 'nobar' and varname != 'HGT' :
338	if (fileref is not None) and (index_f is numplot-1):
339	colorbar(fraction=0.05,pad=0.03,format="%.3f",\
340	ticks=np.linspace(zevmin,zevmax,num=min([ticks/2+1,20])),\
341	extend='neither',spacing='proportional')
342	else:
343	colorbar(fraction=0.05,pad=0.03,format=fmtvar(fvar.upper()),\
344	ticks=np.linspace(zevmin,zevmax,num=min([ticks/2+1,20])),\
345	extend='neither',spacing='proportional')
346	# both min max neither
347	##### 1D field
348	elif len(what_I_plot.shape) is 1:
349	plot(x,what_I_plot)
350	if save == 'txt': writeascii(np.transpose(what_I_plot),'profile'+str(nplot)+'.txt')
351
352	#### Other cases: (maybe plot 3-D field one day or movie ??)
353	else:
354	print "WARNING!!! ",len(what_I_plot.shape),"-D PLOT NOT SUPPORTED !!!"
355	print "field dimensions: ", what_I_plot.shape
356	exit()
357
358	else:
359	errormess("There is an error in reducing field !")
360
361	### Vector plot --- a adapter
362	if winds:
363	vecx, error = reducefield( getfield(nc,uchar), d4=indextime, d3=indexvert , yint=yintegral , alt=vert)
364	vecy, error = reducefield( getfield(nc,vchar), d4=indextime, d3=indexvert , yint=yintegral , alt=vert)
365	#what_I_plot, error = reducefield(all_var[index_f], d4=indextime, d1=indexlon, d2=indexlat , d3=indexvert )
366	if not error:
367	if typefile in ['mesoapi','meso']:
368	[vecx,vecy] = [dumpbdy(vecx,6,stag=uchar), dumpbdy(vecy,6,stag=vchar)]
369	key = True
370	elif typefile in ['gcm']:
371	key = False
372	if metwind: [vecx,vecy] = m.rotate_vector(vecx, vecy, lon2d, lat2d)
373	if varname == False: colorvec = definecolorvec(back)
374	else: colorvec = definecolorvec(colorb)
375	vectorfield(vecx, vecy,\
376	x, y, stride=stride, csmooth=2,\
377	#scale=15., factor=300., color=colorvec, key=key)
378	scale=20., factor=250., color=colorvec, key=key)
379	#200. ## or csmooth=stride
380
381	### Next subplot
382	basename = getname(var=varname,winds=winds,anomaly=anomaly)
383	basename = basename + getstralt(nc,level)
384	if typefile in ['mesoapi','meso']:
385	if slon is not None: basename = basename + "_lon_" + str(int(lon2d[indices[1],indices[0]]))
386	if slat is not None: basename = basename + "_lat_" + str(int(lat2d[indices[1],indices[0]]))
387	plottitle = basename
388	if addchar:
389	[addchar,gogol,gogol2] = getlschar ( all_namefile[index_f] )
390	plottitle = plottitle + addchar + "_LT"+str(ltst)
391	else: plottitle = plottitle + "_LT"+str(ltst)
392	else:
393	if fileref is not None:
394	if index_f is numplot-1: plottitle = basename+' '+"fig(1) "+ope+" fig(2)"
395	elif index_f is numplot-2: plottitle = basename+' '+fileref
396	else: plottitle = basename+' '+namefiles[0]#index_f]
397	else: plottitle = basename+' '+namefiles[0]#index_f]
398	if mult != 1: plottitle = str(mult) + "*" + plottitle
399	if zetitle != "fill":
400	plottitle = zetitle
401	if titleref is "fill": titleref=zetitle
402	if fileref is not None:
403	if index_f is numplot-2: plottitle = titleref
404	if index_f is numplot-1: plottitle = "fig(1) "+ope+" fig(2)"
405	# if indexlon is not None: plottitle = plottitle + " lon: " + str(min(lon[indexlon])) +" "+ str(max(lon[indexlon]))
406	# if indexlat is not None: plottitle = plottitle + " lat: " + str(min(lat[indexlat])) +" "+ str(max(lat[indexlat]))
407	# if indexvert is not None: plottitle = plottitle + " vert: " + str(min(vert[indexvert])) +" "+ str(max(vert[indexvert]))
408	# if indextime is not None: plottitle = plottitle + " time: " + str(min(time[indextime])) +" "+ str(max(time[indextime]))
409	title( plottitle )
410	itime += itstep
411	if nplot >= numplot: error = True
412	nplot += 1
413
414
415
416
417
418
419
420
421	##########################################################################
422	### Save the figure in a file in the data folder or an user-defined folder
423	if outputname is None:
424	if typefile in ['meso','mesoapi']: prefix = getprefix(nc)
425	elif typefile in ['gcm']: prefix = 'LMD_GCM_'
426	else: prefix = ''
427	###
428	zeplot = prefix + basename
429	if addchar: zeplot = zeplot + addchar
430	if numplot <= 0: zeplot = zeplot + "_LT"+str(abs(numplot))
431	###
432	if not target: zeplot = namefile[0:find(namefile,'wrfout')] + zeplot
433	else: zeplot = target + "/" + zeplot
434	###
435	else:
436	zeplot=outputname
437
438	if found_lct:
439	pad_inches_value = 0.35
440	print "********** SAVE ", save
441	if save == 'png':
442	if display: makeplotres(zeplot,res=100.,pad_inches_value=pad_inches_value) #,erase=True) ## a miniature
443	makeplotres(zeplot,res=resolution,pad_inches_value=pad_inches_value,disp=False)
444	elif save in ['eps','svg','pdf']: makeplotres(zeplot,pad_inches_value=pad_inches_value,disp=False,ext=save)
445	elif save == 'gui': show()
446	elif save == 'txt': print "Saved results in txt file."
447	else:
448	print "INFO: save mode not supported. using gui instead."
449	show()
450	else: print "!!! Local time not found"
451
452	###############
453	### Now the end
454	return zeplot

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