Context Navigation

source: trunk/UTIL/PYTHON/planetoplot_v0/winds.py @ 1062

Last change on this file since 1062 was 943, checked in by aslmd, 12 years ago
clean and organized UTIL/PYTHON folder
Property svn:executable set to ``*
File size: 18.1 KB

Rev	Line
[180]	1	#!/usr/bin/env python
	2
[202]	3	### A. Spiga -- LMD -- 30/06/2011 to 10/07/2011
[184]	4	### Thanks to A. Colaitis for the parser trick
[180]	5
[184]	6
	7	####################################
	8	####################################
	9	### The main program to plot vectors
[182]	10	def winds (namefile,\
	11	nvert,\
[184]	12	proj=None,\
[182]	13	back=None,\
	14	target=None,
[184]	15	stride=3,\
[225]	16	numplot=2,\
[187]	17	var=None,\
[241]	18	colorb="def",\
[195]	19	winds=True,\
[199]	20	addchar=None,\
	21	interv=[0,1],\
	22	vmin=None,\
[201]	23	vmax=None,\
[204]	24	tile=False,\
[233]	25	zoom=None,\
	26	display=True,\
[238]	27	itstep=None,\
[240]	28	hole=False,\
	29	save="gui",\
[241]	30	anomaly=False,\
[244]	31	var2=None,\
[254]	32	ndiv=10,\
[287]	33	first=1,\
	34	mult=1.,\
	35	zetitle="fill"):
[184]	36
[192]	37	####################################################################################################################
	38	### Colorbars http://www.scipy.org/Cookbook/Matplotlib/Show_colormaps?action=AttachFile&do=get&target=colormaps3.png
	39
[184]	40	#################################
	41	### Load librairies and functions
[180]	42	from netCDF4 import Dataset
[240]	43	from myplot import getcoord2d,define_proj,makeplotres,simplinterv,vectorfield,ptitle,latinterv,getproj,wrfinterv,dumpbdy,\
[233]	44	fmtvar,definecolorvec,defcolorb,getprefix,putpoints,calculate_bounds,errormess,definesubplot,\
[251]	45	zoomset,getcoorddef,getwinddef,whatkindfile,reducefield,bounds,getstralt,getfield,smooth,nolow,\
	46	getname,localtime,polarinterv
[199]	47	from mymath import deg,max,min,mean
[240]	48	from matplotlib.pyplot import contour,contourf, subplot, figure, rcParams, savefig, colorbar, pcolor, show
[192]	49	from matplotlib.cm import get_cmap
[182]	50	import numpy as np
[202]	51	from numpy.core.defchararray import find
[184]	52
	53	######################
	54	### Load NETCDF object
[240]	55	nc = Dataset(namefile)
[233]	56
	57	##################################
	58	### Initial checks and definitions
	59	typefile = whatkindfile(nc) ## TYPEFILE
	60	if var not in nc.variables: var = False ## VAR
[238]	61	if winds: ## WINDS
	62	[uchar,vchar,metwind] = getwinddef(nc)
	63	if uchar == 'not found': winds = False
[251]	64	if not var and not winds: errormess("please set at least winds or var",printvar=nc.variables)
[233]	65	[lon2d,lat2d] = getcoorddef(nc) ## COORDINATES, could be moved below
	66	if proj == None: proj = getproj(nc) ## PROJECTION
[184]	67
[233]	68	##########################
	69	### Define plot boundaries
[251]	70	### todo: possible areas in latinterv in argument (ex: "Far_South_Pole")
	71	if proj in ["npstere","spstere"]: [wlon,wlat] = polarinterv(lon2d,lat2d)
[207]	72	elif proj in ["lcc","laea"]: [wlon,wlat] = wrfinterv(lon2d,lat2d)
	73	else: [wlon,wlat] = simplinterv(lon2d,lat2d)
[233]	74	if zoom: [wlon,wlat] = zoomset(wlon,wlat,zoom)
[184]	75
[186]	76	#########################################
	77	### Name for title and graphics save file
[251]	78	basename = getname(var=var,winds=winds,anomaly=anomaly)
[233]	79	basename = basename + getstralt(nc,nvert) ## can be moved elsewhere for a more generic routine
[186]	80
[184]	81	##################################
	82	### Open a figure and set subplots
[180]	83	fig = figure()
[345]	84	subv,subh = definesubplot( numplot, fig )
[233]	85
[184]	86	#################################
	87	### Time loop for plotting device
[186]	88	found_lct = False
[287]	89	nplot = 1
[254]	90	itime = first
[233]	91	error = False
[241]	92	if itstep is None and numplot > 0: itstep = int(24./numplot)
[243]	93	elif numplot <= 0: itstep = 1
[233]	94	while error is False:
[184]	95
[197]	96	### Which local time ?
[251]	97	ltst = localtime ( interv[0]+itimeinterv[1], 0.5(wlon[0]+wlon[1]) )
[197]	98
[184]	99	### General plot settings
[233]	100	#print itime, int(ltst), numplot, nplot
	101	if numplot >= 1:
	102	if nplot > numplot: break
	103	if numplot > 1:
[345]	104	if typefile not in ['geo']: subplot(subv,subh,nplot)
[186]	105	found_lct = True
[233]	106	### If only one local time is requested (numplot < 0)
[186]	107	elif numplot <= 0:
[241]	108	if int(ltst) + numplot != 0:
[233]	109	itime += 1
	110	if found_lct is True: break ## because it means LT was found at previous iteration
	111	else: continue ## continue to iterate to find the correct LT
	112	else:
	113	found_lct = True
[184]	114
	115	### Map projection
[180]	116	m = define_proj(proj,wlon,wlat,back=back)
	117	x, y = m(lon2d, lat2d)
[184]	118
	119	#### Contour plot
[241]	120	if var2:
	121	what_I_contour, error = reducefield( getfield(nc,var2), d4=itime, d3=nvert )
	122	if not error:
	123	if typefile in ['mesoapi','meso']: what_I_contour = dumpbdy(what_I_contour,6)
	124	zevmin, zevmax = calculate_bounds(what_I_contour)
	125	zelevels = np.linspace(zevmin,zevmax,num=20)
	126	if var2 == 'HGT': zelevels = np.arange(-10000.,30000.,2000.)
	127	contour( x, y, what_I_contour, zelevels, colors='k', linewidths = 0.33 ) #colors='w' )# , alpha=0.5)
[287]	128	else:
	129	errormess("There is an error in reducing field !")
[241]	130
	131	#### Shaded plot
[184]	132	if var:
[233]	133	what_I_plot, error = reducefield( getfield(nc,var), d4=itime, d3=nvert )
[287]	134	what_I_plot = what_I_plot*mult
[233]	135	if not error:
[240]	136	fvar = var
	137	###
	138	if anomaly:
[244]	139	what_I_plot = 100. * ((what_I_plot / smooth(what_I_plot,12)) - 1.)
[240]	140	fvar = 'anomaly'
[287]	141	#if mult != 1:
	142	# fvar = str(mult) + "*" + var
[240]	143	###
	144	if typefile in ['mesoapi','meso']: what_I_plot = dumpbdy(what_I_plot,6)
[233]	145	zevmin, zevmax = calculate_bounds(what_I_plot,vmin=vmin,vmax=vmax)
[241]	146	if colorb in ["def","nobar"]: palette = get_cmap(name=defcolorb(fvar))
	147	else: palette = get_cmap(name=colorb)
[233]	148	if not tile:
[238]	149	if not hole: what_I_plot = bounds(what_I_plot,zevmin,zevmax)
[287]	150	#zelevels = np.linspace(zevmin(1. + 1.e-7),zevmax(1. - 1.e-7)) #,num=20)
	151	zelevels = np.linspace(zevmin,zevmax)
[233]	152	contourf( x, y, what_I_plot, zelevels, cmap = palette )
[241]	153	else:
	154	if hole: what_I_plot = nolow(what_I_plot)
	155	pcolor( x, y, what_I_plot, cmap = palette, \
	156	vmin=zevmin, vmax=zevmax )
[243]	157	if colorb != 'nobar' and var != 'HGT':
[251]	158	colorbar(fraction=0.05,pad=0.03,format=fmtvar(fvar),\
[233]	159	ticks=np.linspace(zevmin,zevmax,ndiv+1),\
[240]	160	extend='neither',spacing='proportional')
	161	# both min max neither
[287]	162	else:
	163	errormess("There is an error in reducing field !")
	164
[184]	165	### Vector plot
[191]	166	if winds:
[233]	167	vecx, error = reducefield( getfield(nc,uchar), d4=itime, d3=nvert )
	168	vecy, error = reducefield( getfield(nc,vchar), d4=itime, d3=nvert )
	169	if not error:
	170	if typefile in ['mesoapi','meso']:
[240]	171	[vecx,vecy] = [dumpbdy(vecx,6,stag=uchar), dumpbdy(vecy,6,stag=vchar)]
[233]	172	key = True
	173	elif typefile in ['gcm']:
	174	key = False
	175	if metwind: [vecx,vecy] = m.rotate_vector(vecx, vecy, lon2d, lat2d)
	176	if var == False: colorvec = definecolorvec(back)
	177	else: colorvec = definecolorvec(colorb)
	178	vectorfield(vecx, vecy,\
	179	x, y, stride=stride, csmooth=2,\
[247]	180	#scale=15., factor=300., color=colorvec, key=key)
	181	scale=20., factor=250., color=colorvec, key=key)
[233]	182	#200. ## or csmooth=stride
	183
[184]	184	### Next subplot
[202]	185	plottitle = basename
[225]	186	if typefile in ['mesoapi','meso']:
[233]	187	if addchar: plottitle = plottitle + addchar + "_LT"+str(ltst)
	188	else: plottitle = plottitle + "_LT"+str(ltst)
[287]	189	if mult != 1: plottitle = str(mult) + "*" + plottitle
	190	if zetitle != "fill": plottitle = zetitle
[195]	191	ptitle( plottitle )
[233]	192	itime += itstep
	193	nplot += 1
[184]	194
	195	##########################################################################
	196	### Save the figure in a file in the data folder or an user-defined folder
[202]	197	if typefile in ['meso','mesoapi']: prefix = getprefix(nc)
[317]	198	elif typefile in ['gcm']: prefix = 'LMD_GCM_'
[202]	199	else: prefix = ''
	200	###
	201	zeplot = prefix + basename
	202	if addchar: zeplot = zeplot + addchar
	203	if numplot <= 0: zeplot = zeplot + "_LT"+str(abs(numplot))
	204	###
	205	if not target: zeplot = namefile[0:find(namefile,'wrfout')] + zeplot
	206	else: zeplot = target + "/" + zeplot
	207	###
[240]	208	if found_lct:
	209	pad_inches_value = 0.35
	210	if save == 'png':
[295]	211	if display: makeplotres(zeplot,res=100.,pad_inches_value=pad_inches_value) #,erase=True) ## a miniature
[240]	212	makeplotres(zeplot,res=200.,pad_inches_value=pad_inches_value,disp=False)
	213	elif save in ['eps','svg','pdf']:
	214	makeplotres(zeplot, pad_inches_value=pad_inches_value,disp=False,ext=save)
	215	elif save == 'gui':
	216	show()
	217	else:
	218	print "save mode not supported. using gui instead."
	219	show()
[287]	220	else: print "Local time not found"
[202]	221
	222	###############
	223	### Now the end
[193]	224	return zeplot
[180]	225
[233]	226	##############################
	227	### A specific stuff for below
	228	def adjust_length (tab, zelen):
	229	from numpy import ones
	230	if tab is None:
	231	outtab = ones(zelen) * -999999
	232	else:
	233	if zelen != len(tab):
	234	print "not enough or too much values... setting same values all variables"
	235	outtab = ones(zelen) * tab[0]
	236	else:
	237	outtab = tab
	238	return outtab
	239
[184]	240	###########################################################################################
	241	###########################################################################################
	242	### What is below relate to running the file as a command line executable (very convenient)
[180]	243	if __name__ == "__main__":
	244	import sys
[184]	245	from optparse import OptionParser ### to be replaced by argparse
[186]	246	from api_wrapper import api_onelevel
[195]	247	from netCDF4 import Dataset
	248	from myplot import getlschar
[240]	249	from os import system
[193]	250
	251	#############################
	252	### Get options and variables
[182]	253	parser = OptionParser()
[244]	254	parser.add_option('-f', '--file', action='append',dest='namefile', type="string", default=None, help='[NEEDED] name of WRF file (append)')
	255	parser.add_option('-l', '--level', action='store',dest='nvert', type="float", default=0, help='level (def=0)(-i 2: p,mbar)(-i 3,4: z,km)')
	256	parser.add_option('-p', '--proj', action='store',dest='proj', type="string", default=None, help='projection')
	257	parser.add_option('-b', '--back', action='store',dest='back', type="string", default=None, help='background image (def: None)')
	258	parser.add_option('-t', '--target', action='store',dest='target', type="string", default=None, help='destination folder')
	259	parser.add_option('-s', '--stride', action='store',dest='stride', type="int", default=3, help='stride vectors (def=3)')
	260	parser.add_option('-v', '--var', action='append',dest='var', type="string", default=None, help='variable color-shaded (append)')
	261	parser.add_option('-n', '--num', action='store',dest='numplot', type="int", default=2, help='plot number (def=2)(<0: plot LT -numplot)')
	262	parser.add_option('-i', '--interp', action='store',dest='interp', type="int", default=None, help='interpolation (2: p, 3: z-amr, 4:z-als)')
	263	parser.add_option('-c', '--color', action='store',dest='colorb', type="string", default="def", help='change colormap (nobar: no colorbar)')
	264	parser.add_option('-x', '--no-vect',action='store_false',dest='winds', default=True, help='no wind vectors')
	265	parser.add_option('-m', '--min', action='append',dest='vmin', type="float", default=None, help='bounding minimum value (append)')
	266	parser.add_option('-M', '--max', action='append',dest='vmax', type="float", default=None, help='bounding maximum value (append)')
	267	parser.add_option('-T', '--tiled', action='store_true',dest='tile', default=False, help='draw a tiled plot (no blank zone)')
	268	parser.add_option('-z', '--zoom', action='store',dest='zoom', type="float", default=None, help='zoom factor in %')
	269	parser.add_option('-N', '--no-api', action='store_true',dest='nocall', default=False, help='do not recreate api file')
	270	parser.add_option('-d', '--display',action='store_false',dest='display', default=True, help='do not pop up created images')
[254]	271	parser.add_option('-e', '--itstep', action='store',dest='itstep', type="int", default=None, help='stride time (def=4)')
[244]	272	parser.add_option('-H', '--hole', action='store_true',dest='hole', default=False, help='holes above max and below min')
	273	parser.add_option('-S', '--save', action='store',dest='save', type="string", default="gui", help='save mode (png,eps,svg,pdf or gui)(def=gui)')
	274	parser.add_option('-a', '--anomaly',action='store_true',dest='anomaly', default=False, help='compute and plot relative anomaly in %')
[287]	275	parser.add_option('-w', '--with', action='store',dest='var2', type="string", default=None, help='variable contoured')
	276	parser.add_option('--div', action='store',dest='ndiv', type="int", default=10, help='number of divisions in colorbar (def: 10)')
	277	parser.add_option('-F', '--first', action='store',dest='first', type="int", default=1, help='first subscript to plot (def: 1)')
	278	parser.add_option('--mult', action='store',dest='mult', type="float", default=1., help='a multiplicative factor to plotted field')
	279	parser.add_option('--title', action='store',dest='zetitle', type="string", default="fill",help='customize the whole title')
[201]	280	#parser.add_option('-V', action='store', dest='comb', type="float", default=None, help='a defined combination of variables')
[182]	281	(opt,args) = parser.parse_args()
	282	if opt.namefile is None:
	283	print "I want to eat one file at least ! Use winds.py -f name_of_my_file. Or type winds.py -h"
	284	exit()
[241]	285	if opt.var is None and opt.anomaly is True:
	286	print "Cannot ask to compute anomaly if no variable is set"
	287	exit()
[182]	288	print "Options:", opt
[233]	289
	290	listvar = ''
[225]	291	if opt.var is None:
[233]	292	zerange = [-999999]
[225]	293	else:
	294	zelen = len(opt.var)
[233]	295	zerange = range(zelen)
	296	#if zelen == 1: listvar = opt.var[0] + ','
	297	#else :
	298	for jjj in zerange: listvar += opt.var[jjj] + ','
[225]	299	listvar = listvar[0:len(listvar)-1]
[233]	300	vmintab = adjust_length (opt.vmin, zelen)
	301	vmaxtab = adjust_length (opt.vmax, zelen)
[193]	302
[225]	303	for i in range(len(opt.namefile)):
[184]	304
[225]	305	zefile = opt.namefile[i]
	306	print zefile
	307	zelevel = opt.nvert
	308	stralt = None
	309	[lschar,zehour,zehourin] = getlschar ( zefile ) ## getlschar from wrfout (or simply return "" if another file)
	310
	311	#####################################################
	312	### Call Fortran routines for vertical interpolations
	313	if opt.interp is not None:
	314	if opt.nvert is 0 and opt.interp is 4: zelevel = 0.010
	315	### winds or no winds
	316	if opt.winds : zefields = 'uvmet'
	317	else : zefields = ''
	318	### var or no var
[233]	319	#if opt.var is None : pass
	320	if zefields == '' : zefields = listvar
[225]	321	else : zefields = zefields + "," + listvar
[241]	322	if opt.var2 is not None : zefields = zefields + "," + opt.var2
[225]	323	print zefields
	324	zefile = api_onelevel ( path_to_input = '', \
	325	input_name = zefile, \
	326	fields = zefields, \
	327	interp_method = opt.interp, \
	328	onelevel = zelevel, \
	329	nocall = opt.nocall )
	330	print zefile
	331	zelevel = 0 ## so that zelevel could play again the role of nvert
[193]	332
[233]	333	if opt.var is None: zerange = [-999999]
	334	else: zerange = range(zelen)
	335	for jjj in zerange:
	336	if jjj == -999999:
	337	argvar = None
	338	argvmin = None
	339	argvmax = None
	340	else:
	341	argvar = opt.var[jjj]
	342	if vmintab[jjj] != -999999: argvmin = vmintab[jjj]
	343	else: argvmin = None
	344	if vmaxtab[jjj] != -999999: argvmax = vmaxtab[jjj]
	345	else: argvmax = None
[225]	346	#############
	347	### Main call
	348	name = winds (zefile,int(zelevel),\
[233]	349	proj=opt.proj,back=opt.back,target=opt.target,stride=opt.stride,var=argvar,\
	350	numplot=opt.numplot,colorb=opt.colorb,winds=opt.winds,\
	351	addchar=lschar,interv=[zehour,zehourin],vmin=argvmin,vmax=argvmax,\
	352	tile=opt.tile,zoom=opt.zoom,display=opt.display,\
[240]	353	itstep=opt.itstep,hole=opt.hole,save=opt.save,\
[287]	354	anomaly=opt.anomaly,var2=opt.var2,ndiv=opt.ndiv,first=opt.first,\
	355	mult=opt.mult,zetitle=opt.zetitle)
[225]	356	print 'Done: '+name
[240]	357	system("rm -f to_be_erased")
	358
[225]	359	#########################################################
	360	### Generate a .sh file with the used command saved in it
	361	command = ""
	362	for arg in sys.argv: command = command + arg + ' '
	363	f = open(name+'.sh', 'w')
	364	f.write(command)

Note: See TracBrowser for help on using the repository browser.

Download in other formats: