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spectra.ncl @ 892

Last change on this file since 892 was 827, checked in by heinze, 13 years ago
allow plotting of data with very small time increments
File size: 23.3 KB

Rev	Line
[176]	1	load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
	2	load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
	3	load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
	4
[190]	5	;***************************************************
[418]	6	; load .ncl.config or .ncl.config.default
[190]	7	;***************************************************
[194]	8
	9	function which_script()
	10	local script
	11	begin
	12	script="spectra"
	13	return(script)
	14	end
[190]	15
[418]	16	if (isfilepresent("$PALM_BIN/../../.ncl.config")) then
	17	loadscript("$PALM_BIN/../../.ncl.config")
[190]	18	else
[418]	19	if (isfilepresent("$PALM_BIN/NCL/.ncl.config.default")) then
	20	loadscript( "$PALM_BIN/NCL/.ncl.config.default")
[190]	21	else
[418]	22	palm_bin_path = getenv("PALM_BIN")
[190]	23	print(" ")
[418]	24	print("Neither the personal configuration file '.ncl.config' exists in")
	25	print("~/palm/current_version")
[566]	26	print("nor the default configuration file '.ncl.config.default' "+\
	27	"exists in")
[418]	28	print(palm_bin_path + "/NCL")
[190]	29	print(" ")
	30	exit
[176]	31	end if
[418]	32	end if
[218]	33
[190]	34	begin
[176]	35
[190]	36	;***************************************************
[532]	37	; Retrieving the NCL version used
	38	;***************************************************
	39
	40	ncl_version_ch = systemfunc("ncl -V")
	41	ncl_version = stringtofloat(ncl_version_ch)
	42
	43	;***************************************************
[526]	44	; Retrieving the double quote character
	45	;***************************************************
	46
	47	dq=str_get_dq()
	48
	49	;***************************************************
[190]	50	; set up default parameter values and strings
	51	;***************************************************
	52
	53	if (file_1 .EQ. "File in") then
	54	print(" ")
[418]	55	print("Declare input file 'file_1=' in '.ncl.config' or prompt")
[190]	56	print(" ")
	57	exit
[176]	58	else
	59	file_in = file_1
	60	end if
	61
[566]	62	if (format_out .NE. "x11" .AND. format_out .NE. "pdf" .AND. \
	63	format_out .NE. "eps" .AND. format_out .NE. "ps" .AND. \
	64	format_out .NE. "epsi" .AND. format_out .NE. "ncgm" .AND. \
	65	format_out .NE. "png")then
[190]	66	print(" ")
	67	print("'format_out = "+format_out+"' is invalid and set to'x11'")
	68	print(" ")
	69	format_out="x11"
	70	end if
[532]	71
	72	if (ncl_version .LE. 5.1 .AND. format_out .EQ. "png") then
	73	print(" ")
	74	print("Output of png files not available")
	75	print("png output is avaiable with NCL version 5.2.0 and higher ")
	76	print("NCL version used: " + ncl_version_ch)
	77	print(" ")
	78	exit
	79	end if
[190]	80
[218]	81	if (log_x .NE. 0 .AND. log_x .NE. 1)then
[190]	82	print(" ")
[218]	83	print("'log_x'= "+log_x+" is invalid and set to 1")
[190]	84	print(" ")
[218]	85	log_x = 1
[190]	86	end if
	87
[218]	88	if (log_y .NE. 0 .AND. log_y .NE. 1)then
[190]	89	print(" ")
[218]	90	print("'log_y'= "+log_y+" is invalid and set to 1")
[190]	91	print(" ")
[218]	92	log_y = 1
[190]	93	end if
	94
[218]	95	if (norm_y .EQ. 0.) then
[190]	96	print(" ")
[218]	97	print("Normalising with 0 is not allowed, 'norm_y' is set to 1.0")
[190]	98	print(" ")
[218]	99	norm_y = 1.0
[176]	100	end if
[218]	101	if (norm_x .EQ. 0.) then
[190]	102	print(" ")
[218]	103	print("Normalising with 0 is not allowed, 'norm_x' is set to 1.0")
[190]	104	print(" ")
[218]	105	norm_x= 1.0
[176]	106	end if
[190]	107
	108	if (sort .NE. "height" .AND. sort .NE. "time") then
	109	print(" ")
	110	print("'sort'= "+sort+" is invalid and set to 'height'")
	111	print(" ")
	112	sort = "height"
[176]	113	end if
[190]	114
	115	if (black .NE. 0 .AND. black .NE. 1)then
	116	print(" ")
	117	print("'black'= "+black+" is invalid and set to 0")
	118	print(" ")
[176]	119	black = 0
	120	end if
[190]	121
	122	if (dash .NE. 0 .AND. dash .NE. 1)then
	123	print(" ")
	124	print("'dash'= "+dash+" is invalid and set to 0")
	125	print(" ")
[176]	126	dash = 0
	127	end if
	128
[190]	129	;***************************************************
	130	; open input file
	131	;***************************************************
[218]	132
	133	file_in_1 = False
	134	if (isStrSubset(file_in, ".nc"))then
	135	start_f = -2
	136	end_f = -2
	137	file_in_1 = True
	138	end if
[176]	139
[218]	140	if (start_f .EQ. -1)then
	141	print(" ")
[566]	142	print("'start_f' must be one of the cyclic numbers (at least 0) of "+\
	143	"your input file(s)")
[218]	144	print(" ")
	145	exit
	146	end if
	147	if (end_f .EQ. -1)then
	148	print(" ")
[566]	149	print("'end_f' must be one of the cyclic numbers (at least 0) of "+\
	150	"your input file(s)")
[218]	151	print(" ")
	152	exit
	153	end if
	154
	155	files=new(end_f-start_f+1,string)
[176]	156
[218]	157	if (file_in_1)then
	158	if (isfilepresent(file_in))then
	159	files(0)=file_in
	160	else
	161	print(" ")
	162	print("1st input file: '"+file_in+"' does not exist")
	163	print(" ")
	164	exit
	165	end if
	166	else
	167	if (start_f .EQ. 0)then
	168	if (isfilepresent(file_in+".nc"))then
	169	files(0)=file_in+".nc"
	170	do i=1,end_f
	171	if (isfilepresent(file_in+"."+i+".nc"))then
	172	files(i)=file_in+"."+i+".nc"
	173	else
	174	print(" ")
	175	print("Input file: '"+file_in+"."+i+".nc' does not exist")
	176	print(" ")
	177	exit
	178	end if
	179	end do
	180	else
	181	print(" ")
	182	print("Input file: '"+file_in+".nc' does not exist")
	183	print(" ")
	184	exit
	185	end if
	186	else
	187	do i=start_f,end_f
	188	if (isfilepresent(file_in+"."+i+".nc"))then
	189	files(i-start_f)=file_in+"."+i+".nc"
	190	else
	191	print(" ")
	192	print("Input file: '"+file_in+"."+i+".nc' does not exist")
	193	print(" ")
	194	exit
	195	end if
	196	end do
	197	end if
	198	end if
	199
	200	f=addfiles(files,"r")
	201	f_att=addfile(files(0),"r")
	202	ListSetType(f,"cat")
	203
	204	vNam = getfilevarnames(f_att)
[585]	205	vType = getfilevartypes(f_att,vNam)
	206
	207	if ((all(vType .eq. "double"))) then ;distinction if data is double or float
	208	check_vType = True
	209	else
	210	check_vType = False
	211	end if
	212
[176]	213	print(" ")
[190]	214	print("Variables in input file:")
	215	print("- "+ vNam)
[176]	216	print(" ")
	217	dim = dimsizes(vNam)
[218]	218	vDim = getfiledimsizes(f_att)
[176]	219
[218]	220	t_all = f[:]->time
[176]	221	nt = dimsizes(t_all)
[827]	222
	223	if (nt .EQ. 1)then
	224	delta_t=t_all(nt-1)/nt
	225	else
	226	delta_t_array = new(nt-1,double)
	227
	228	do i=0,nt-2
	229	delta_t_array(i) = t_all(i+1)-t_all(i)
	230	end do
	231
	232	delta_t = min(delta_t_array)
	233	delete(delta_t_array)
	234	end if
[176]	235
[218]	236	k_x=f_att->k_x
[190]	237	dimx=dimsizes(k_x)
[218]	238	k_y=f_att->k_y
[190]	239	dimy=dimsizes(k_y)
	240
	241
	242	dim_level=dimsizes(height_level)
	243
[176]	244	do i=0,dim-1
	245	if (vNam(i) .EQ. "zu_sp")then
[218]	246	zu=f_att->zu_sp
[190]	247	if (height_level(0) .EQ. -1)then
	248	dimz=dimsizes(zu)
	249	else
	250	if (dim_level .GT. dimsizes(zu))then
	251	print(" ")
[566]	252	print("'height_level' has more elements than available "+\
	253	"height levels in input file (= "+dimsizes(zu)+")")
[190]	254	print(" ")
	255	exit
	256	else
	257	zuh=new(dim_level,double)
	258	do le=0,dim_level-1
[566]	259	if (height_level(le) .GE. dimsizes(zu)) then
	260	no_levels=dimsizes(zu)-1
	261	print(" ")
	262	print("Element "+le+" of 'height_level' is greater " +\
	263	"than the maximum available index in input file "+\
	264	"which is "+no_levels+". Note that the first " +\
	265	"element has the index 0.")
	266	print(" ")
	267	exit
	268	end if
[190]	269	zuh(le)=zu(height_level(le))
	270	end do
	271	dimz=dim_level
	272	end if
	273	end if
[176]	274	else
	275	if (vNam(i) .EQ. "zw_sp")then
[218]	276	zw=f_att->zw_sp
[190]	277	if (height_level(0) .EQ. -1)then
	278	dimz=dimsizes(zw)
	279	else
	280	if (dim_level .GT. dimsizes(zw))then
	281	print(" ")
[566]	282	print("'height_level' has more elements than available "+\
	283	"height levels in input file (= "+dimsizes(zw)+")")
[190]	284	print(" ")
	285	exit
	286	else
	287	zwh=new(dim_level,double)
	288	do le=0,dim_level-1
[566]	289	if (height_level(le) .GE. dimsizes(zw)) then
	290	no_levels=dimsizes(zw)-1
	291	print(" ")
	292	print("Element "+le+" of 'height_level' is greater "+\
	293	"than the maximum available index in input " +\
	294	"file which is "+no_levels+". Note that the " +\
	295	"first element has the index 0.")
	296	print(" ")
	297	exit
	298	end if
[190]	299	zwh(le)=zw(height_level(le))
	300	end do
	301	dimz=dim_level
	302	end if
	303	end if
[176]	304	end if
	305	end if
	306	end do
[190]	307
	308	;****************************************************
[176]	309	; start of time step and different types of mistakes that could be done
[190]	310	;****************************************************
[176]	311
[190]	312	if (start_time_step .EQ. -1.d) then
[176]	313	start_time_step=t_all(0)/3600
[190]	314	else
[176]	315	if (start_time_step .GT. t_all(nt-1)/3600)then
	316	print(" ")
[566]	317	print("'start_time_step' = "+ start_time_step +"h is greater than "+\
	318	"last time step = "+ t_all(nt-1)+"s = "+t_all(nt-1)/3600+"h")
[176]	319	print(" ")
[218]	320	print("Select another 'start_time_step'")
[176]	321	print(" ")
	322	exit
	323	end if
	324	if (start_time_step .LT. t_all(0)/3600)then
	325	print(" ")
[566]	326	print("'start_time_step' = "+ start_time_step +"h is lower than "+\
	327	"first time step = "+ t_all(0)+"s = "+t_all(0)/3600+"h")
[176]	328	exit
	329	end if
	330	end if
	331
	332	do i=0,nt-1
[566]	333	if (start_time_step .GE. (t_all(i)-delta_t/2)/3600 .AND. \
	334	start_time_step .LT. (t_all(i)+delta_t/2)/3600)then
[176]	335	st=i
	336	break
[769]	337	else
	338	st=0
[176]	339	end if
	340	end do
	341
[190]	342	;****************************************************
[176]	343	; end of time step and different types of mistakes that could be done
[190]	344	;****************************************************
[176]	345
[190]	346	if (end_time_step .EQ. -1.d) then
[176]	347	end_time_step = t_all(nt-1)/3600
	348	else
	349	if (end_time_step .GT. t_all(nt-1)/3600)then
	350	print(" ")
[566]	351	print("'end_time_step' = "+ end_time_step +"h is greater than "+\
	352	"last time step = " + t_all(nt-1)+"s = "+t_all(nt-1)/3600+"h")
[176]	353	print(" ")
[218]	354	print("Select another 'end_time_step'")
[176]	355	print(" ")
	356	exit
	357	end if
	358	if (end_time_step .LT. start_time_step/3600)then
	359	print(" ")
[566]	360	print("'end_time_step' = "+ end_time_step +"h is lower than "+\
	361	"'start_time_step' = "+start_time_step+"h")
[176]	362	print(" ")
[218]	363	print("Select another 'start_time_step' or 'end_time_step'")
[176]	364	print(" ")
	365	exit
	366	end if
	367	end if
	368
	369	do i=0,nt-1
[566]	370	if (end_time_step .GE. (t_all(i)-delta_t/2)/3600 .AND. \
	371	end_time_step .LT. (t_all(i)+delta_t/2)/3600)then
[176]	372	et=i
	373	break
[769]	374	else
	375	et=0
[176]	376	end if
	377	end do
	378
	379	delete(start_time_step)
	380	start_time_step=round(st,3)
	381	delete(end_time_step)
	382	end_time_step=round(et,3)
	383
	384	print(" ")
[566]	385	print("Output of time steps from "+t_all(start_time_step)/3600+" h = "+\
	386	t_all(start_time_step)+" s => index = "+start_time_step)
	387	print(" till "+t_all(end_time_step)/3600+" h = "+\
	388	t_all(end_time_step)+" s => index = "+end_time_step)
[176]	389	print(" ")
	390
	391	dimt = end_time_step-start_time_step+1
	392
[190]	393	;***************************************************
[176]	394	; set up recourses
[190]	395	;***************************************************
[176]	396
	397	res = True
	398	res@gsnDraw = False
	399	res@gsnFrame = False
	400	res@txFont = "helvetica"
	401	res@tiMainFont = "helvetica"
	402	res@tiXAxisFont = "helvetica"
	403	res@tiYAxisFont = "helvetica"
	404	res@tmXBLabelFont = "helvetica"
	405	res@tmYLLabelFont = "helvetica"
	406	res@lgLabelFont = "helvetica"
	407	res@tmLabelAutoStride = True
	408
[218]	409	res@lgLabelFontHeightF = font_size_legend
	410	res@lgTitleFontHeightF = font_size
	411	res@txFontHeightF = font_size
	412	res@tiXAxisFontHeightF = font_size
	413	res@tiYAxisFontHeightF = font_size
	414	res@tmXBLabelFontHeightF = font_size
	415	res@tmYLLabelFontHeightF = font_size
	416
	417	res@tmXBMinorPerMajor = 4
	418	res@tmYLMinorPerMajor = 4
	419
	420	if (log_x .EQ. 1) then
[176]	421	res@trXLog = True
[190]	422	else
	423	res@trXLog = False
	424	end if
[218]	425	if (log_y .EQ. 1)then
[176]	426	res@trYLog = True
[190]	427	else
[178]	428	res@trYLog = False
[176]	429	end if
	430
[566]	431	legend_label=new(dimt,string)
[176]	432	legend_label_zu=new(dimz,double)
	433	legend_label_zw=new(dimz,double)
	434	legend_label_z=new(dimz,double)
	435	do p=start_time_step,end_time_step
[566]	436	legend_label(p-start_time_step)=sprintf("%6.2f", t_all(p)/3600)
[176]	437	end do
	438	if (sort .EQ. "time")
	439	plot = new(dim*dimz,graphic)
	440	np=dimt
[534]	441	res@lgTitleString = "Time (h)"
[176]	442	else
	443	plot = new(dim*dimt,graphic)
	444	np=dimz
[218]	445
[176]	446	do p=0,dimz-1
[190]	447	if (height_level(0) .EQ. -1)then
	448	legend_label_zu(p)=round(zu(p),3)
	449	legend_label_zw(p)=round(zw(p),3)
	450	else
	451	legend_label_zu(p)=round(zuh(p),3)
	452	legend_label_zw(p)=round(zwh(p),3)
	453	end if
[176]	454	end do
	455	end if
[194]	456
	457	if (black .eq. 0 ) then
	458	if (np .EQ. 1)then
[218]	459	color = 237
[194]	460	else
	461	step=round(235/(np-1),3)
[218]	462	color = ispan(2,237,step)
[194]	463	end if
[324]	464	else
	465	color = 2
[176]	466	end if
	467	if ( dash .eq. 0 ) then
[190]	468	res@xyMonoDashPattern = True
[176]	469	end if
	470
[532]	471	if ( format_out .EQ. "pdf" .OR. format_out .EQ. "ps" ) then
	472	format_out@wkPaperSize = "A4"
	473	end if
	474	if ( format_out .EQ. "png" ) then
	475	format_out@wkWidth = 1000
	476	format_out@wkHeight = 1000
	477	end if
	478
[176]	479	wks=gsn_open_wks(format_out,file_out)
	480	gsn_define_colormap(wks,"rainbow+white")
	481
	482	n=0
	483	do varn =dim-1,0,1
[178]	484
[176]	485	check = True
	486
[566]	487	if ( isStrSubset( vNam(varn), "time") .OR. \
	488	isStrSubset( vNam(varn), "zu_sp") .OR. \
	489	isStrSubset( vNam(varn), "zw_sp") .OR. \
	490	isStrSubset( vNam(varn), "k_x") .OR. \
	491	isStrSubset( vNam(varn), "k_y")) then
[176]	492	check = False
	493	end if
	494
[190]	495	if (var .NE. "all") then
[176]	496	check = isStrSubset( var,","+vNam(varn)+"," )
	497	end if
	498
[190]	499	if(check) then
[218]	500
	501	temp = f[:]->$vNam(varn)$
[566]	502	data = temp(start_time_step:end_time_step,0:dimz-1,:)
[218]	503
	504	temp_att = f_att->$vNam(varn)$
	505	a=getvardims(temp_att)
[190]	506	b=dimsizes(a)
[534]	507	delete(temp_att)
[176]	508
[190]	509	if (height_level(0) .NE. -1)then
	510	do te=0,dimz-1
[566]	511	data(:,te,:) = temp(start_time_step:end_time_step,\
	512	height_level(te),:)
[190]	513	end do
	514	end if
	515
[566]	516	data=data/(norm_y*norm_x)
[190]	517
[176]	518	do i=0,b-1
	519	if (isStrSubset( a(i),"zu_sp" ))then
	520	legend_label_z=legend_label_zu
[190]	521	if (height_level(0) .NE. -1)then
	522	z=zuh
	523	else
	524	z=zu
	525	end if
[176]	526	else
	527	if (isStrSubset( a(i),"zw_sp" ))then
[190]	528	legend_label_z=legend_label_zw
	529	if (height_level(0) .NE. -1)then
	530	z=zwh
	531	else
	532	z=zw
	533	end if
[176]	534	end if
	535	end if
	536	end do
[218]	537
[585]	538	if (check_vType) then
	539	min_y=new(dimz,double)
	540	max_y=new(dimz,double)
	541	else
	542	min_y=new(dimz,float)
	543	max_y=new(dimz,float)
	544	end if
[218]	545	min_x=new(dimz,double)
	546	max_x=new(dimz,double)
[585]	547
[218]	548	plot_h = new(dimz,graphic)
	549
[176]	550	if (isStrSubset(vNam(varn),"x"))then
[218]	551	x_axis = new((/dimz,dimx/),double)
	552	do q=0,dimz-1
	553	x_axis(q,:) = f_att->k_x
	554	x_axis = x_axis/norm_x
	555	end do
	556	if (norm_x .NE. 1.)then
[534]	557	res@tiXAxisString = "k~B~x~N~ ("+unit_x+")"
[190]	558	else
[218]	559	if (norm_height .EQ. 1)then
[534]	560	res@tiXAxisString = "k~B~x~N~ x z (1"
[218]	561	else
[534]	562	res@tiXAxisString = "k~B~x~N~ (1/m)"
[218]	563	end if
[190]	564	end if
[218]	565	dim_r=dimx
[176]	566	else
[218]	567	x_axis=new((/dimz,dimy/),double)
	568	do q=0,dimz-1
	569	x_axis(q,:) = f_att->k_y
	570	x_axis = x_axis/norm_x
	571	end do
	572	if (norm_x .NE. 1.)then
[534]	573	res@tiXAxisString = "k~B~x~N~ ("+unit_x+")"
[190]	574	else
[218]	575	if (norm_height .EQ. 1)then
[534]	576	res@tiXAxisString = "k~B~x~N~ x z (1)"
[218]	577	else
[534]	578	res@tiXAxisString = "k~B~x~N~ (1/m)"
[218]	579	end if
[190]	580	end if
[218]	581	dim_r=dimy
[176]	582	end if
	583
	584	if (sort .EQ. "time")
[218]	585	res@xyLineColors = color
	586	res@pmLegendDisplayMode = "Always"
	587	res@pmLegendSide = "Top"
	588	res@pmLegendParallelPosF = 1.2
	589	res@pmLegendOrthogonalPosF = -1.0
	590	res@pmLegendWidthF = 0.12
[566]	591	res@pmLegendHeightF = 0.04*\
	592	(end_time_step-start_time_step+1)
[190]	593	do p=dimz-1,0,1
[218]	594	if (log_y .EQ. 1)then
[190]	595	do q=0,dimt-1
[218]	596	do r=0,dim_r-1
	597	if (data(q,p,r) .EQ. 0)then
[190]	598	st=p+start_time_step
	599	print(" ")
[566]	600	print("'"+vNam(varn)+"("+st+","+q+","+r+")' is "+\
	601	"equal 0. Logarithmic scale for y-axis "+\
	602	"and height "+z(p)+" cannot be used")
[190]	603	print(" ")
	604	res@trYLog = False
	605	end if
	606	end do
[176]	607	end do
[190]	608	end if
[176]	609	res@gsnLeftString = vNam(varn)
[218]	610	res@gsnRightString = "Height = "+z(p)+"m"
[534]	611	res@tiYAxisString = "("+unit_y+")"
[218]	612	res@xyExplicitLegendLabels = legend_label
	613	if (norm_height .EQ. 1)then
	614	data(:,p,:)=data(:,p,:)*doubletofloat(z(p))
	615	x_axis(p,:) = x_axis(p,:)*z(p)
	616	end if
	617	res@trXMinF = min(x_axis(p,:))
	618	res@trXMaxF = max(x_axis(p,:))
	619	plot(n) = gsn_csm_xy(wks,x_axis(p,:),data(:,p,:),res)
[176]	620	n=n+1
	621	end do
	622	else
[190]	623	if (sort .EQ. "height")
	624	do p=0,dimt-1
[176]	625	do q=0,dimz-1
[218]	626	do r=0,dim_r-1
	627	if (data(p,q,r) .EQ. 0)then
[176]	628	st=p+start_time_step
	629	print(" ")
[566]	630	print("'"+vNam(varn)+"("+st+","+q+","+r+")' "+\
	631	"is equal 0. Logarithmic scale for y-axis "+\
	632	"and time "+legend_label(p)+" h cannot be used")
[176]	633	print(" ")
	634	res@trYLog = False
	635	end if
	636	end do
[218]	637	if (norm_height .EQ. 1 .AND. p .EQ. 0)then
[566]	638	data(p,q,:) = data(p,q,:)*\
	639	doubletofloat(legend_label_z(q))
	640	x_axis(q,:) = x_axis(q,:)*\
	641	doubletofloat(legend_label_z(q))
[218]	642	end if
	643	max_y(q)=max(data(p,q,:))
	644	min_y(q)=min(data(p,q,:))
	645	min_x(q)=min(x_axis(q,:))
[566]	646	max_x(q)=max(x_axis(q,:))
[218]	647	end do
	648	do q=0,dimz-1
	649	res@xyLineColor = color(q)
	650	if (dash .EQ. 1)then
	651	res@xyDashPattern = q
	652	end if
	653	if (q .EQ. 0)then
[566]	654	res@tiYAxisString = "("+unit_y+")"
[218]	655	res@gsnLeftString = vNam(varn)
	656	res@gsnRightString = "Time = "+legend_label(p)+"h"
	657	res@trXMinF = min(min_x)
	658	res@trXMaxF = max(max_x)
	659	res@trYMinF = min(min_y)
	660	res@trYMaxF = max(max_y)
	661
[566]	662	plot_h(q) = gsn_csm_xy(wks,x_axis(q,:),\
	663	data(p,q,:),res)
[218]	664
	665	lgres = True
	666	if (dash .EQ. 0)then
	667	lgres@lgMonoDashIndex = True
	668	else
	669	lgres@lgDashIndexes = ispan(0,dimz-1,1)
	670	end if
	671	if (black .EQ. 1)then
	672	lgres@lgMonoLineColors = True
	673	else
	674	lgres@lgLineColors = color
	675	end if
[566]	676	lgres@lgTitleString = "Height (m)"
[218]	677	lgres@lgLabelFont = "helvetica"
[566]	678	lgres@lgLabelFontHeightF = font_size_legend*6
	679	lgres@lgTitleFontHeightF = font_size
[218]	680	lgres@vpWidthF = 0.12
[566]	681	lgres@vpHeightF = font_size_legend*(dimz+3)
[218]	682
[566]	683	lbid = gsn_create_legend(wks,dimz,legend_label_z,lgres)
[218]	684
	685	amres = True
	686	amres@amParallelPosF = 0.75
	687	amres@amOrthogonalPosF = 0.15
	688	annoid1 = gsn_add_annotation(plot_h(q),lbid,amres)
	689	else
[566]	690	plot_h(q) = gsn_csm_xy(wks,x_axis(q,:),\
	691	data(p,q,:),res)
[218]	692	overlay(plot_h(0),plot_h(q))
	693	end if
	694	end do
	695	plot(n)=plot_h(0)
	696	n=n+1
[176]	697	end do
	698	end if
[190]	699	end if
[218]	700	delete(data)
	701	delete(temp)
[178]	702	delete(x_axis)
[218]	703	delete(min_x)
	704	delete(max_x)
	705	delete(min_y)
	706	delete(max_y)
	707	delete(plot_h)
[176]	708	end if
	709	end do
	710
	711	if (n .EQ. 0) then
	712	print(" ")
[190]	713	print("The variables 'var="+var+"' do not exist on your input file;")
	714	print("be sure to have one comma berfore and after each variable")
[176]	715	print(" ")
	716	exit
	717	end if
	718
	719	; ***************************************************
	720	; merge plots onto one page
	721	; ***************************************************
	722
	723	resP = True
	724	resP@txFont = "helvetica"
[218]	725	resP@txString = f_att@title
[176]	726	resP@txFuncCode = "~"
[218]	727	resP@txFontHeightF = 0.015
[176]	728
[534]	729	no_frames = 0
	730
[566]	731	if ((format_out .EQ. "eps" .OR. format_out .EQ. "epsi") .AND. \
	732	n .gt. no_rows*no_columns) then
[183]	733	gsn_panel(wks,plot,(/n,1/),resP)
[250]	734	print(" ")
	735	print("Outputs to .eps or .epsi have only one frame")
	736	print(" ")
[176]	737	else
[218]	738	do i = 0,n-1, no_rows*no_columns
	739	if( (i+no_rows*no_columns) .gt. (n-1)) then
	740	gsn_panel(wks,plot(i:n-1),(/no_rows,no_columns/),resP)
[534]	741	no_frames = no_frames + 1
[176]	742	else
[566]	743	gsn_panel(wks,plot(i:i+no_rows*no_columns-1),\
	744	(/no_rows,no_columns/),resP)
[534]	745	no_frames = no_frames + 1
[176]	746	end if
	747	end do
	748	end if
	749
[532]	750	if (format_out .EQ. "png" ) then
	751	png_output = new((/no_frames/), string)
	752	j = 0
	753	do i=0, no_frames-1
	754	j = i + 1
	755	if (j .LE. 9) then
	756	png_output(i) = file_out+".00000"+j+".png"
	757	end if
	758	if (j .GT. 9 .AND. j .LE. 99) then
	759	png_output(i) = file_out+".0000"+j+".png"
	760	end if
	761	if (j .GT. 99 .AND. j .LE. 999) then
	762	png_output(i) = file_out+".000"+j+".png"
	763	end if
	764	if (j .GT. 999) then
	765	png_output(i) = file_out+".00"+j+".png"
	766	end if
	767
	768	;using imagemagick's convert for reducing the white
	769	;space around the plot
	770	cmd = "convert -geometry 1000x1000 -density 300 -trim " + \
	771	png_output(i) + " " + png_output(i)
	772	system(cmd)
	773	end do
	774
	775	print(" ")
	776	print("Output to: "+ png_output)
	777	print(" ")
	778	else
	779	print(" ")
	780	print("Output to: " + file_out +"."+ format_out)
	781	print(" ")
	782	end if
[176]	783
[190]	784	end

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