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timeseries.ncl @ 1937

Last change on this file since 1937 was 1559, checked in by heinze, 10 years ago
Changes to allow for using NCL version 6.2.1 and higher. Backward compatibility is also ensured.
File size: 52.2 KB

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1	load "$NCARG_ROOT/lib/ncarg/nclex/gsun/gsn_code.ncl"
2	load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
3	load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
4	load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/shea_util.ncl"
5
6	;***************************************************
7	; Checking the kind of the script
8	;***************************************************
9
10	function which_script()
11	local script
12	begin
13	script = "timeseries"
14	return(script)
15	end
16
17	;***************************************************
18	; Retrieving the NCL version used
19	;***************************************************
20
21	ncl_version_ch = systemfunc("ncl -V")
22	ncl_version = stringtofloat(ncl_version_ch)
23
24	;***************************************************
25	; Function for checking file existence in dependence
26	; on NCL version
27	;***************************************************
28
29	function file_exists(version:string,file_name:string)
30	begin
31	if( version .EQ. "6.2.1" ) then
32	existing = fileexists(file_name)
33	else
34	existing = isfilepresent(file_name)
35	end if
36	return(existing)
37	end
38
39	;***************************************************
40	; load .ncl.config or .ncl.config.default
41	;***************************************************
42
43	file_name ="$PALM_BIN/../../.ncl.config"
44	existing_file = file_exists(ncl_version_ch,file_name)
45
46	if (existing_file) then
47	loadscript("$PALM_BIN/../../.ncl.config")
48	else
49	file_name = "$PALM_BIN/NCL/.ncl.config.default"
50	existing_file = file_exists(ncl_version_ch,file_name)
51	if (existing_file) then
52	loadscript( "$PALM_BIN/NCL/.ncl.config.default")
53	else
54	palm_bin_path = getenv("PALM_BIN")
55	print(" ")
56	print("Neither the personal configuration file '.ncl.config' exists in")
57	print("~/palm/current_version")
58	print("nor the default configuration file '.ncl.config.default' "+\
59	"exists in")
60	print(palm_bin_path + "/NCL")
61	print(" ")
62	exit
63	end if
64	end if
65
66	begin
67
68	;***************************************************
69	; Retrieving the double quote character
70	;***************************************************
71
72	dq=str_get_dq()
73
74	;***************************************************
75	; set up default parameter values and strings
76	;***************************************************
77
78	if (file_1 .EQ. "File in") then
79	print(" ")
80	print("Declare input file 'file_1=' in '.ncl.config' or prompt")
81	print(" ")
82	exit
83	else
84	file_in = file_1
85	end if
86
87	if (format_out .NE. "x11" .AND. format_out .NE. "pdf" .AND. \
88	format_out .NE. "eps" .AND. format_out .NE. "ps" .AND. \
89	format_out .NE. "epsi" .AND. format_out .NE. "ncgm" .AND. \
90	format_out .NE. "png")then
91	print(" ")
92	print("'format_out = "+format_out+"' is invalid and set to'x11'")
93	print(" ")
94	format_out="x11"
95	end if
96
97	if (ncl_version .LE. 5.1 .AND. format_out .EQ. "png") then
98	print(" ")
99	print("Output of png files not available")
100	print("png output is avaiable with NCL version 5.2.0 and higher ")
101	print("NCL version used: " + ncl_version_ch)
102	print(" ")
103	exit
104	end if
105
106	if (over .NE. 0 .AND. over .NE. 1) then
107	print(" ")
108	print("'over'= "+over+" is invalid and set to 0")
109	print(" ")
110	over = 0
111	end if
112
113	if (norm_t .EQ. 0) then
114	print(" ")
115	print("Normalising with 0 is not allowed, 'norm_t' is set to 1.0")
116	print(" ")
117	norm_t = 1.0
118	end if
119
120
121	;***************************************************
122	; open input file
123	;***************************************************
124
125	file_in_1 = False
126	if (isStrSubset(file_in, ".nc"))then
127	start_f = -2
128	end_f = -2
129	file_in_1 = True
130	end if
131
132	if (start_f .EQ. -1)then
133	print(" ")
134	print("'start_f' must be one of the cyclic numbers (at least 0) of "+\
135	"your input file(s)")
136	print(" ")
137	exit
138	end if
139	if (end_f .EQ. -1)then
140	print(" ")
141	print("'end_f' must be one of the cyclic numbers (at least 0) of "+\
142	"your input file(s)")
143	print(" ")
144	exit
145	end if
146
147	files=new(end_f-start_f+1,string)
148
149	if (file_in_1)then
150	if (isfilepresent(file_in))then
151	files(0)=file_in
152	else
153	print(" ")
154	print("1st input file: '"+file_in+"' does not exist")
155	print(" ")
156	exit
157	end if
158	else
159	if (start_f .EQ. 0)then
160	if (isfilepresent(file_in+".nc"))then
161	files(0)=file_in+".nc"
162	do i=1,end_f
163	if (isfilepresent(file_in+"."+i+".nc"))then
164	files(i)=file_in+"."+i+".nc"
165	else
166	print(" ")
167	print("Input file: '"+file_in+"."+i+".nc' does not exist")
168	print(" ")
169	exit
170	end if
171	end do
172	else
173	print(" ")
174	print("Input file: '"+file_in+".nc' does not exist")
175	print(" ")
176	exit
177	end if
178	else
179	do i=start_f,end_f
180	if (isfilepresent(file_in+"."+i+".nc"))then
181	files(i-start_f)=file_in+"."+i+".nc"
182	else
183	print(" ")
184	print("Input file: '"+file_in+"."+i+".nc' does not exist")
185	print(" ")
186	exit
187	end if
188	end do
189	end if
190	end if
191
192	f=addfiles(files,"r")
193	f_att=addfile(files(0),"r")
194	ListSetType(f,"cat")
195
196	vNam =getfilevarnames(f_att)
197	if( ncl_version .GE. 6.1 ) then
198	vNam = vNam(::-1)
199	end if
200	vType = getfilevartypes(f_att,vNam)
201	vNam_static = vNam
202
203	if ((all(vType .eq. "double"))) then ;distinction if data is double or float
204	check_vType = True
205	else
206	check_vType = False
207	end if
208
209	print(" ")
210	print("Variables in input file:")
211	print("- "+ vNam)
212	print(" ")
213	dim = dimsizes(vNam)
214	if (dim .EQ. 0) then
215	print(" ")
216	print("There is no data on file")
217	print(" ")
218	end if
219
220	t_all = f[:]->time
221	nt = dimsizes(t_all)
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
235
236	if (nt .LE. 1) then
237	print(" ")
238	print("Input file contains only one time step -> " +\
239	"plot of timeseries is not possible ")
240	print(" ")
241	exit
242	end if
243
244	;****************************************************
245	; start of time step and different types of mistakes that could be done
246	;****************************************************
247
248	if (start_time_step .EQ. -1.) then
249	start_time_step=t_all(0)/3600
250	else
251	if (start_time_step .GE. t_all(nt-1)/3600)
252	print(" ")
253	print("'start_time_step' = "+ start_time_step +\
254	"h is equal or greater than last time step = " + \
255	t_all(nt-1)+"s = "+t_all(nt-1)/3600+"h")
256	print(" ")
257	print("Select another 'start_time_step'")
258	print(" ")
259	exit
260	end if
261	if (start_time_step .LT. t_all(0)/3600)
262	print(" ")
263	print("'start_time_step' = "+ start_time_step +\
264	"h is lower than first time step = " + t_all(0)+"s = "+\
265	t_all(0)/3600+"h")
266	print(" ")
267	print("Select another 'start_time_step'")
268	print(" ")
269	exit
270	end if
271	end if
272	do i=0,nt-2
273	if (start_time_step .GE. (t_all(i)-delta_t/2)/3600 .AND. \
274	start_time_step .LT. (t_all(i)+delta_t/2)/3600)then
275	st=i
276	break
277	else
278	st=0
279	end if
280	end do
281	if (start_time_step .GE. t_all(nt-1)-delta_t/2 .AND. \
282	start_time_step .LT. t_all(nt-1)) then
283	st=nt-2
284	else
285	st=0
286	end if
287
288	;****************************************************
289	; end of time step and different types of mistakes that could be done
290	;****************************************************
291
292	if (end_time_step .EQ. -1.) then
293	end_time_step = t_all(nt-1)/3600
294	else
295	if (end_time_step .LE. t_all(0)/3600)
296	print(" ")
297	print("'end_time_step' = "+end_time_step+ \
298	"h is lower or equal than first time step = " + \
299	t_all(0)+"s = "+t_all(0)/3600+"h")
300	print(" ")
301	print("Select another 'end_time_step'")
302	print(" ")
303	exit
304	end if
305	if (end_time_step .GT. t_all(nt-1)/3600)
306	print(" ")
307	print("'end_time_step' = "+ end_time_step +\
308	"h is greater than last time step = " + t_all(nt-1)+"s = "+\
309	t_all(nt-1)/3600+"h")
310	print(" ")
311	print("Select another 'end_time_step'")
312	print(" ")
313	exit
314	end if
315	if (end_time_step .LE. start_time_step/3600)
316	print(" ")
317	print("'end_time_step' = "+ end_time_step +\
318	"h is equal or lower than 'start_time_step' = "+\
319	start_time_step+"h")
320	print(" ")
321	print("Select another 'start_time_step' or 'end_time_step'")
322	print(" ")
323	exit
324	end if
325	end if
326	do i=0,nt-1
327	if (end_time_step .GE. (t_all(i)-delta_t/2)/3600 .AND. \
328	end_time_step .LT. (t_all(i)+delta_t/2)/3600)then
329	et=i
330	break
331	else
332	et=0
333	end if
334	end do
335
336	delete(start_time_step)
337	start_time_step=round(st,3)
338	delete(end_time_step)
339	end_time_step=round(et,3)
340
341	print(" ")
342	print("Output of time steps from "+t_all(start_time_step)/3600+" h = "+\
343	t_all(start_time_step)+" s => index = "+start_time_step)
344	print(" till "+t_all(end_time_step)/3600+" h = "+\
345	t_all(end_time_step)+" s => index = "+end_time_step)
346	print(" ")
347
348	t = t_all(start_time_step:end_time_step)/norm_t
349
350	; ***************************************************
351	; set up recourses
352	; ***************************************************
353
354	res = True
355	res@gsnDraw = False
356	res@gsnFrame = False
357	res@tmXBMode = True
358	res@tmYLMode = True
359	res@txFont = "helvetica"
360	res@tiMainFont = "helvetica"
361	res@tiXAxisFont = "helvetica"
362	res@tiYAxisFont = "helvetica"
363	res@tmXBLabelFont = "helvetica"
364	res@tmYLLabelFont = "helvetica"
365	res@xyLineColors = (/237/)
366	res@trXMaxF = t(start_time_step)
367	res@trXMinF = t(end_time_step)
368
369	res@lgLabelFontHeightF = 0.02
370
371	resP = True
372	resP@gsnMaximize = True
373	resP@gsnPanelXWhiteSpacePercent = 4.0
374	resP@gsnPanelYWhiteSpacePercent = 4.0
375	resP@txFont = "helvetica"
376	resP@txString = f_att@title+" time series "
377	resP@txFuncCode = "~"
378	if (format_out .NE. "x11") then
379	if (no_rows .GE. 5) then
380	resP@txFontHeightF = 0.0105
381	else
382	resP@txFontHeightF = 0.015
383	end if
384	else
385	resP@txFontHeightF = 0.015
386	end if
387	res@tmXBMinorPerMajor = 4
388	res@tmYLMinorPerMajor = 4
389
390	res@vpWidthF=4
391
392	txres = True
393
394	; ***************************************************
395	; read data and create plots
396	; ***************************************************
397
398	if ( format_out .EQ. "pdf" .OR. format_out .EQ. "ps" ) then
399	format_out@wkPaperSize = "A4"
400	end if
401	if ( format_out .EQ. "png" ) then
402	format_out@wkWidth = 1000
403	format_out@wkHeight = 1000
404	end if
405
406	wks_ps = gsn_open_wks(format_out,file_out)
407	gsn_define_colormap(wks_ps,"rainbow+white")
408	plot_ps=new(dim,graphic)
409
410	n=0
411	if (check_vType) then
412	minE = 100000.d
413	maxE = -100000.d
414	minus = 100000.d
415	maxus = -100000.d
416	minu = 100000.d
417	maxu = -100000.d
418	minz = 100000.d
419	maxz = -100000.d
420	minw = 100000.d
421	maxw = -100000.d
422	minp = 100000.d
423	maxp = -100000.d
424	mins = 100000.d
425	maxs = -100000.d
426	else
427	minE = 100000.
428	maxE = -100000.
429	minus = 100000.
430	maxus = -100000.
431	minu = 100000.
432	maxu = -100000.
433	minz = 100000.
434	maxz = -100000.
435	minw = 100000.
436	maxw = -100000.
437	minp = 100000.
438	maxp = -100000.
439	mins = 100000.
440	maxs = -100000.
441	end if
442
443	if (check_vType) then
444	data = new((/dim,(end_time_step-start_time_step)+1/),double)
445	data_0 = new((end_time_step-start_time_step)+1,double)
446	mini = new(dim,double)
447	maxi = new(dim,double)
448	else
449	data = new((/dim,(end_time_step-start_time_step)+1/),float)
450	data_0 = new((end_time_step-start_time_step)+1,float)
451	mini = new(dim,float)
452	maxi = new(dim,float)
453	end if
454	unit = new(dim,string)
455	data_0 = 0.0
456
457
458	if (over .EQ. 1) then
459	plot_E = gsn_csm_xy(wks_ps,t,data_0(:),res)
460	plot_Es = gsn_csm_xy(wks_ps,t,data_0(:),res)
461	plot_us = gsn_csm_xy(wks_ps,t,data_0(:),res)
462	plot_ws = gsn_csm_xy(wks_ps,t,data_0(:),res)
463	plot_umax = gsn_csm_xy(wks_ps,t,data_0(:),res)
464	plot_vmax = gsn_csm_xy(wks_ps,t,data_0(:),res)
465	plot_wmax = gsn_csm_xy(wks_ps,t,data_0(:),res)
466	plot_z_i_wpt = gsn_csm_xy(wks_ps,t,data_0(:),res)
467	plot_z_i_pt = gsn_csm_xy(wks_ps,t,data_0(:),res)
468	plot_wpptp0 = gsn_csm_xy(wks_ps,t,data_0(:),res)
469	plot_wpptp = gsn_csm_xy(wks_ps,t,data_0(:),res)
470	plot_wpt = gsn_csm_xy(wks_ps,t,data_0(:),res)
471	plot_pt_0_ = gsn_csm_xy(wks_ps,t,data_0(:),res)
472	plot_pt_zp_ = gsn_csm_xy(wks_ps,t,data_0(:),res)
473	end if
474
475
476	if (var .NE. "all") then
477	vNam_temp = new((/dim/),string)
478	comma = 0
479	var_char = stringtocharacter(var)
480	no_char = dimsizes(var_char)
481
482	do j = 0, no_char-1
483	if(var_char(j) .eq. ",")
484	comma = comma + 1
485	end if
486	end do
487
488	if(comma .eq. 0 .or. comma .eq. 1)
489	print(" ")
490	print("The variables 'var="+var+"'" )
491	print("do not exist on your input file;")
492	print("be sure to have one comma before and after each variable")
493	print(" ")
494	exit
495	end if
496
497	indices = new((/comma/), integer)
498	comma = 0
499
500	do j = 0, no_char-1
501	if(var_char(j) .eq. ",")
502	indices(comma) = j
503	comma = comma + 1
504	end if
505	end do
506
507	do j = 0, comma -2
508	vNam_temp(j) = charactertostring(\
509	var_char(indices(j)+1:indices(j+1)-1))
510	end do
511
512	delete(vNam)
513	vNam = new((/comma-1/),string)
514	do varn = 0, comma - 2
515	vNam(varn) = vNam_temp(comma - 2 - varn)
516	end do
517
518	do j = 0, comma-2
519	count_check = 0
520	do varn = 0, dim-1
521	if(vNam(j) .ne. vNam_static(varn))
522	count_check=count_check+1
523	end if
524	end do
525
526	if(count_check .eq. dim)
527	print(" ")
528	print("The variables 'var="+var+"'" )
529	print("do not exist on your input file;")
530	print("be sure to have one comma before and after each variable")
531	print(" ")
532	exit
533	end if
534	end do
535
536	dim = comma-1
537	end if
538
539
540	do varn = dim-1, 0, 1
541
542	if( isStrSubset (vNam(varn), "time") )
543	check = False
544	else
545	check = True
546	end if
547
548	if(check) then
549
550	data_all = f[:]->$vNam(varn)$
551	data_att = f_att->$vNam(varn)$
552	unit(varn) = data_att@units
553
554
555	data(varn,:)=data_all(start_time_step:end_time_step)
556
557	if (over .EQ. 1) then
558
559	mini(varn) = min(data(varn,:))
560	maxi(varn) = max(data(varn,:))
561
562	if (vNam(varn) .EQ. "E" .OR. vNam(varn) .EQ. "Es" .OR. \
563	vNam(varn) .EQ. "E*") then
564	if (mini(varn) .EQ. maxi(varn)) then
565	if (min(data(varn,:)) .EQ. 0)then
566	mini(varn)= mini(varn)-0.1
567	maxi(varn)= maxi(varn)+0.1
568	end if
569	if (min(data(varn,:)) .LT. 0)then
570	mini(varn)= mini(varn)-1.+(mini(varn))/2
571	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
572	end if
573	if (min(data(varn,:)) .GT. 0)then
574	mini(varn)= mini(varn)-1.-(mini(varn))/2
575	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
576	end if
577	end if
578	minE=min((/minE,mini(varn)/))
579	maxE=max((/maxE,maxi(varn)/))
580	end if
581
582	if (vNam(varn) .EQ. "us" .OR. vNam(varn) .EQ. "ws"\
583	.OR. vNam(varn) .EQ. "u" .OR. vNam(varn) .EQ. "w") then
584	if (mini(varn) .EQ. maxi(varn)) then
585	if (min(data(varn,:)) .EQ. 0)then
586	mini(varn)= mini(varn)-0.1
587	maxi(varn)= maxi(varn)+0.1
588	end if
589	if (min(data(varn,:)) .LT. 0)then
590	mini(varn)= mini(varn)-1.+(mini(varn))/2
591	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
592	end if
593	if (min(data(varn,:)) .GT. 0)then
594	mini(varn)= mini(varn)-1.-(mini(varn))/2
595	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
596	end if
597	end if
598	minus=min((/minus,mini(varn)/))
599	maxus=max((/maxus,maxi(varn)/))
600	end if
601
602	if (vNam(varn) .EQ. "umax" .OR. vNam(varn) .EQ. "vmax" .OR. \
603	vNam(varn) .EQ. "wmax") then
604	if (mini(varn) .EQ. maxi(varn)) then
605	if (mini(varn) .EQ. 0)then
606	mini(varn)= mini(varn)-0.1
607	maxi(varn)= maxi(varn)+0.1
608	end if
609	if (mini(varn) .LT. 0)then
610	mini(varn)= mini(varn)-1.+(mini(varn))/2
611	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
612	end if
613	if (mini(varn) .GT. 0)then
614	mini(varn)= mini(varn)-1.-(mini(varn))/2
615	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
616	end if
617	end if
618	minu=min((/minu,mini(varn)/))
619	maxu=max((/maxu,maxi(varn)/))
620	end if
621
622	if (vNam(varn) .EQ. "z_i_wpt" .OR. vNam(varn) .EQ. "z_i_pt") then
623	if (mini(varn) .EQ. maxi(varn)) then
624	if (min(data(varn,:)) .EQ. 0)then
625	mini(varn)= mini(varn)-0.1
626	maxi(varn)= maxi(varn)+0.1
627	end if
628	if (min(data(varn,:)) .LT. 0)then
629	mini(varn)= mini(varn)-1.+(mini(varn))/2
630	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
631	end if
632	if (min(data(varn,:)) .GT. 0)then
633	mini(varn)= mini(varn)-1.-(mini(varn))/2
634	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
635	end if
636	end if
637	minz=min((/minz,mini(varn)/))
638	maxz=max((/maxz,maxi(varn)/))
639	end if
640
641	if (vNam(varn) .EQ. "wpptp0" .OR. vNam(varn) .EQ. "wpptp" .OR. \
642	vNam(varn) .EQ. "wpt" .OR. vNam(varn) .EQ. \
643	"w"+dq+"pt"+dq+"0" .OR. vNam(varn) .EQ. "w"+dq+"pt"+dq ) then
644	if (mini(varn) .EQ. maxi(varn)) then
645	if (min(data(varn,:)) .EQ. 0)then
646	mini(varn)= mini(varn)-0.1
647	maxi(varn)= maxi(varn)+0.1
648	end if
649	if (min(data(varn,:)) .LT. 0)then
650	mini(varn)= mini(varn)-1.+(mini(varn))/2
651	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
652	end if
653	if (min(data(varn,:)) .GT. 0)then
654	mini(varn)= mini(varn)-1.-(mini(varn))/2
655	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
656	end if
657	end if
658	minw=min((/minw,mini(varn)/))
659	maxw=max((/maxw,maxi(varn)/))
660	end if
661
662	if (vNam(varn) .EQ. "pt_0_" .OR. vNam(varn) .EQ. "pt_zp_"\
663	.OR. vNam(varn) .EQ. "pt(0)" .OR. vNam(varn) .EQ. "pt(zp)") then
664	if (mini(varn) .EQ. maxi(varn)) then
665	if (min(data(varn,:)) .EQ. 0)then
666	mini(varn)= mini(varn)-0.1
667	maxi(varn)= maxi(varn)+0.1
668	end if
669	if (min(data(varn,:)) .LT. 0)then
670	mini(varn)= mini(varn)-1.+(mini(varn))/2
671	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
672	end if
673	if (min(data(varn,:)) .GT. 0)then
674	mini(varn)= mini(varn)-1.-(mini(varn))/2
675	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
676	end if
677	end if
678	minp=min((/minp,mini(varn)/))
679	maxp=max((/maxp,maxi(varn)/))
680	end if
681
682	end if
683	end if
684	end do
685
686	if (isStrSubset(data@long_name," SR " ))then
687	print(" ")
688	print("If you have outputs of statistic regions you cannot overlay "+\
689	"variables;")
690	print("'over' is set to 0" )
691	print(" ")
692	over = 0
693	end if
694
695	do varn = dim-1, 0, 1
696
697	if( isStrSubset (vNam(varn), "time") )
698	check = False
699	else
700	check = True
701	end if
702
703	if (var .NE. "all") then
704	check = isStrSubset( var,","+vNam(varn)+"," )
705	end if
706
707	if(check) then
708
709	if (over .EQ. 1) then
710
711	res@gsnLeftString = "overlayed plot"
712	res@gsnRightString = unit(varn)
713	if (norm_t .NE. 1.)then
714	res@tiXAxisString = "t ("+unit_t+")"
715	else
716	res@tiXAxisString = "t (s)"
717	end if
718	res@tiYAxisString = " "
719	res@tiXAxisFontHeightF = font_size
720	res@txFontHeightF = font_size
721	res@tiYAxisFontHeightF = font_size
722
723	if (vNam(varn) .EQ. "E")
724	E=0
725	res@xyLineColors = (/237/)
726	res@xyLineLabelFontHeightF = 0.05
727	res@xyLineLabelFontColor = 237
728	res@trYMaxF = maxE
729	res@trYMinF = minE
730	plot_E = gsn_csm_xy(wks_ps,t,data(varn,:),res)
731	end if
732	if (vNam(varn) .EQ. "Es" .OR. vNam(varn) .EQ. "E*")
733	Es=0
734	res@xyLineColors = (/144/)
735	res@xyLineLabelFontHeightF = 0.05
736	res@xyLineLabelFontColor = 144
737	plot_Es = gsn_csm_xy(wks_ps,t,data(varn,:),res)
738	end if
739
740	if (vNam(varn) .EQ. "us" .OR. vNam(varn) .EQ. "u*")
741	us=0
742	res@xyLineColors = (/237/)
743	res@xyLineLabelFontHeightF = 0.05
744	res@xyLineLabelFontColor = 237
745	res@trYMaxF = maxus
746	res@trYMinF = minus
747	plot_us = gsn_csm_xy(wks_ps,t,data(varn,:),res)
748	end if
749	if (vNam(varn) .EQ. "ws" .OR. vNam(varn) .EQ. "w*")
750	ws=0
751	res@xyLineColors = (/144/)
752	res@xyLineLabelFontHeightF = 0.05
753	res@xyLineLabelFontColor = 144
754	plot_ws = gsn_csm_xy(wks_ps,t,data(varn,:),res)
755	end if
756
757	if (vNam(varn) .EQ. "umax")
758	u=0
759	res@xyLineColors = (/237/)
760	res@xyLineLabelFontHeightF = 0.05
761	res@xyLineLabelFontColor = 237
762	res@trYMaxF = maxu
763	res@trYMinF = minu
764	plot_umax = gsn_csm_xy(wks_ps,t,data(varn,:),res)
765	end if
766	if (vNam(varn) .EQ. "vmax")
767	v=0
768	res@xyLineColors = (/144/)
769	res@xyLineLabelFontHeightF = 0.05
770	res@xyLineLabelFontColor = 144
771	plot_vmax = gsn_csm_xy(wks_ps,t,data(varn,:),res)
772	end if
773	if (vNam(varn) .EQ. "wmax")
774	w=0
775	res@xyLineColors = (/80/)
776	res@xyLineLabelFontHeightF = 0.05
777	res@xyLineLabelFontColor = 80
778	plot_wmax = gsn_csm_xy(wks_ps,t,data(varn,:),res)
779	end if
780
781	if (vNam(varn) .EQ. "z_i_wpt")
782	zw=0
783	res@xyLineColors = (/237/)
784	res@xyLineLabelFontHeightF = 0.05
785	res@xyLineLabelFontColor = 237
786	res@trYMaxF = maxz
787	res@trYMinF = minz
788	plot_z_i_wpt = gsn_csm_xy(wks_ps,t,data(varn,:),res)
789	end if
790	if (vNam(varn) .EQ. "z_i_pt")
791	z=0
792	res@xyLineColors = (/144/)
793	res@xyLineLabelFontHeightF = 0.05
794	res@xyLineLabelFontColor = 144
795	plot_z_i_pt = gsn_csm_xy(wks_ps,t,data(varn,:),res)
796	end if
797
798	if (vNam(varn) .EQ. "wpptp0" .OR. \
799	vNam(varn) .EQ. "w"+dq+"pt"+dq+"0" )
800	w0=0
801	res@xyLineColors = (/237/)
802	res@xyLineLabelFontHeightF = 0.05
803	res@xyLineLabelFontColor = 237
804	res@trYMaxF = maxw
805	res@trYMinF = minw
806	plot_wpptp0 = gsn_csm_xy(wks_ps,t,data(varn,:),res)
807	end if
808	if (vNam(varn) .EQ. "wpptp" .OR. vNam(varn) .EQ. "w"+dq+"pt"+dq)
809	wp=0
810	res@xyLineColors = (/144/)
811	res@xyLineLabelFontHeightF = 0.05
812	res@xyLineLabelFontColor = 144
813	plot_wpptp = gsn_csm_xy(wks_ps,t,data(varn,:),res)
814	end if
815	if (vNam(varn) .EQ. "wpt")
816	wt=0
817	res@xyLineColors = (/80/)
818	res@xyLineLabelFontHeightF = 0.05
819	res@xyLineLabelFontColor = 80
820	plot_wpt = gsn_csm_xy(wks_ps,t,data(varn,:),res)
821	end if
822
823	if (vNam(varn) .EQ. "pt_0_" .OR. vNam(varn) .EQ. "pt(0)")
824	p=0
825	res@xyLineColors = (/237/)
826	res@xyLineLabelFontHeightF = 0.05
827	res@xyLineLabelFontColor = 237
828	res@trYMaxF = maxp
829	res@trYMinF = minp
830	plot_pt_0_ = gsn_csm_xy(wks_ps,t,data(varn,:),res)
831	end if
832	if (vNam(varn) .EQ. "pt_zp_" .OR. vNam(varn) .EQ. "pt(zp)")
833	pz=0
834	res@xyLineColors = (/144/)
835	res@xyLineLabelFontHeightF = 0.05
836	res@xyLineLabelFontColor = 144
837	plot_pt_zp_ = gsn_csm_xy(wks_ps,t,data(varn,:),res)
838	end if
839
840	end if
841	end if
842	end do
843
844
845	do varn = dim-1, 0, 1
846
847	if( isStrSubset (vNam(varn), "time") )
848	check = False
849	else
850	check = True
851	end if
852
853	if (var.NE. "all") then
854	check = isStrSubset( var,","+vNam(varn)+"," )
855	end if
856
857	if(check) then
858
859	if (over .EQ. 1) then
860
861	if (vNam(varn) .EQ. "E" .AND. Es .NE. 1) then
862	E=1
863	overlay(plot_E,plot_Es)
864	n=n+1
865	plot_ps(n) = plot_E
866
867	; ***************************************************
868	; legend for overlaid plot
869	; ***************************************************
870
871	lgres = True
872	lgMonoDashIndex = False
873	lgres@lgLabelFont = "helvetica"
874	lgres@lgLabelFontHeightF = .1
875	lgres@vpWidthF = 0.4
876	lgres@vpHeightF = 0.4
877	lgres@lgDashIndexes = (/0,0,0/)
878	lgres@lgLineColors = (/237,144,80/)
879	lbid = gsn_create_legend(wks_ps,2,(/"E","E*"/),lgres)
880
881	amres = True
882	amres@amParallelPosF = 0.6
883	amres@amOrthogonalPosF = -0.2
884	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
885	end if
886	if ((vNam(varn) .EQ. "Es" .OR. vNam(varn) .EQ. "E*") .AND. \
887	E .NE. 1) then
888	Es=1
889	overlay(plot_E,plot_Es)
890	n=n+1
891	plot_ps(n) = plot_E
892
893	; ***************************************************
894	; legend for overlaid plot
895	; ***************************************************
896
897	lgres = True
898	lgMonoDashIndex = False
899	lgres@lgLabelFont = "helvetica"
900	lgres@lgLabelFontHeightF = .1
901	lgres@vpWidthF = 0.4
902	lgres@vpHeightF = 0.4
903	lgres@lgDashIndexes = (/0,0,0/)
904	lgres@lgLineColors = (/237,144,80/)
905	lbid = gsn_create_legend(wks_ps,2,(/"E","E*"/),lgres)
906
907	amres = True
908	amres@amParallelPosF = 0.6
909	amres@amOrthogonalPosF = -0.2
910	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
911	end if
912
913	if ((vNam(varn) .EQ. "us" .OR. vNam(varn) .EQ. "u*") .AND. \
914	ws .NE. 1) then
915	us=1
916	overlay(plot_us,plot_ws)
917	n=n+1
918	plot_ps(n) = plot_us
919
920	; ***************************************************
921	; legend for overlaid plot
922	; ***************************************************
923
924	lgres = True
925	lgMonoDashIndex = False
926	lgres@lgLabelFont = "helvetica"
927	lgres@lgLabelFontHeightF = .1
928	lgres@vpWidthF = 0.4
929	lgres@vpHeightF = 0.4
930	lgres@lgDashIndexes = (/0,0,0/)
931	lgres@lgLineColors = (/237,144,80/)
932	lbid = gsn_create_legend(wks_ps,2,(/"u","w"/),lgres)
933
934	amres = True
935	amres@amParallelPosF = 0.6
936	amres@amOrthogonalPosF = -0.2
937	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
938	end if
939	if ((vNam(varn) .EQ. "ws" .OR. vNam(varn) .EQ. "w*") .AND. \
940	us .NE. 1) then
941	ws=1
942	overlay(plot_us,plot_ws)
943	n=n+1
944	plot_ps(n) = plot_us
945
946	; ***************************************************
947	; legend for overlaid plot
948	; ***************************************************
949
950	lgres = True
951	lgMonoDashIndex = False
952	lgres@lgLabelFont = "helvetica"
953	lgres@lgLabelFontHeightF = .1
954	lgres@vpWidthF = 0.4
955	lgres@vpHeightF = 0.4
956	lgres@lgDashIndexes = (/0,0,0/)
957	lgres@lgLineColors = (/237,144,80/)
958	lbid = gsn_create_legend(wks_ps,2,(/"u","w"/),lgres)
959
960	amres = True
961	amres@amParallelPosF = 0.6
962	amres@amOrthogonalPosF = -0.2
963	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
964	end if
965
966	if (vNam(varn) .EQ. "umax" .AND. v .NE. 1)
967	if (w .NE. 1) then
968	u=1
969	overlay(plot_umax,plot_vmax)
970	overlay(plot_umax,plot_wmax)
971
972	n=n+1
973	plot_ps(n) = plot_umax
974
975	; ***************************************************
976	; legend for overlaid plot
977	; ***************************************************
978
979	lgres = True
980	lgMonoDashIndex = False
981	lgres@lgLabelFont = "helvetica"
982	lgres@lgLabelFontHeightF = .1
983	lgres@vpWidthF = 0.4
984	lgres@vpHeightF = 0.4
985	lgres@lgDashIndexes = (/0,0,0/)
986	lgres@lgLineColors = (/237,144,80/)
987	lbid = gsn_create_legend(\
988	wks_ps,3,(/"umax","vmax","wmax"/),lgres)
989
990	amres = True
991	amres@amParallelPosF = 0.6
992	amres@amOrthogonalPosF = -0.2
993	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
994	end if
995	end if
996	if (vNam(varn) .EQ. "vmax" .AND. u .NE. 1)
997	if (w .NE. 1) then
998	v=1
999	overlay(plot_umax,plot_vmax)
1000	overlay(plot_umax,plot_wmax)
1001	n=n+1
1002	plot_ps(n) = plot_umax
1003
1004	; ***************************************************
1005	; legend for overlaid plot
1006	; ***************************************************
1007
1008	lgres = True
1009	lgMonoDashIndex = False
1010	lgres@lgLabelFont = "helvetica"
1011	lgres@lgLabelFontHeightF = .1
1012	lgres@vpWidthF = 0.4
1013	lgres@vpHeightF = 0.4
1014	lgres@lgDashIndexes = (/0,0,0/)
1015	lgres@lgLineColors = (/237,144,80/)
1016	lbid = gsn_create_legend(\
1017	wks_ps,3,(/"umax","vmax","wmax"/),lgres)
1018	amres = True
1019	amres@amParallelPosF = 0.6
1020	amres@amOrthogonalPosF = -0.2
1021	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1022	end if
1023	end if
1024	if (vNam(varn) .EQ. "wmax" .AND. v .NE. 1)
1025	if(u .NE. 1) then
1026	w=1
1027	overlay(plot_umax,plot_vmax)
1028	overlay(plot_umax,plot_wmax)
1029	n=n+1
1030	plot_ps(n) = plot_umax
1031
1032	; ***************************************************
1033	; legend for overlaid plot
1034	; ***************************************************
1035
1036	lgres = True
1037	lgMonoDashIndex = False
1038	lgres@lgLabelFont = "helvetica"
1039	lgres@lgLabelFontHeightF = .1
1040	lgres@vpWidthF = 0.4
1041	lgres@vpHeightF = 0.4
1042	lgres@lgDashIndexes = (/0,0,0/)
1043	lgres@lgLineColors = (/237,144,80/)
1044	lbid = gsn_create_legend(\
1045	wks_ps,3,(/"umax","vmax","wmax"/),lgres)
1046	amres = True
1047	amres@amParallelPosF = 0.6
1048	amres@amOrthogonalPosF = -0.2
1049	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1050	end if
1051	end if
1052
1053	if (vNam(varn) .EQ. "z_i_wpt" .AND. z .NE. 1) then
1054	zw=1
1055	overlay(plot_z_i_wpt,plot_z_i_pt)
1056	n=n+1
1057	plot_ps(n) = plot_z_i_wpt
1058
1059	; ***************************************************
1060	; legend for overlaid plot
1061	; ***************************************************
1062
1063	lgres = True
1064	lgMonoDashIndex = False
1065	lgres@lgLabelFont = "helvetica"
1066	lgres@lgLabelFontHeightF = .1
1067	lgres@vpWidthF = 0.4
1068	lgres@vpHeightF = 0.4
1069	lgres@lgDashIndexes = (/0,0,0/)
1070	lgres@lgLineColors = (/237,144,80/)
1071	lbid = gsn_create_legend(wks_ps,2,(/"z_i_wpt","z_i_pt"/),lgres)
1072
1073	amres = True
1074	amres@amParallelPosF = 0.6
1075	amres@amOrthogonalPosF = -0.2
1076	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1077	end if
1078	if (vNam(varn) .EQ. "z_i_pt" .AND. zw .NE. 1) then
1079	z=1
1080	overlay(plot_z_i_wpt,plot_z_i_pt)
1081	n=n+1
1082	plot_ps(n) = plot_z_i_wpt
1083
1084	; ***************************************************
1085	; legend for overlaid plot
1086	; ***************************************************
1087
1088	lgres = True
1089	lgMonoDashIndex = False
1090	lgres@lgLabelFont = "helvetica"
1091	lgres@lgLabelFontHeightF = .1
1092	lgres@vpWidthF = 0.4
1093	lgres@vpHeightF = 0.4
1094	lgres@lgDashIndexes = (/0,0,0/)
1095	lgres@lgLineColors = (/237,144,80/)
1096	lbid = gsn_create_legend(wks_ps,2,(/"z_i_wpt","z_i_pt"/),lgres)
1097
1098	amres = True
1099	amres@amParallelPosF = 0.6
1100	amres@amOrthogonalPosF = -0.2
1101	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1102	end if
1103
1104	if ((vNam(varn) .EQ. "wpptp0" .OR. vNam(varn) .EQ. "w"+dq+"pt"+dq+"0") .AND. wp .NE. 1)
1105	if (wt .NE. 1) then
1106	w0=1
1107	overlay(plot_wpptp0,plot_wpptp)
1108	overlay(plot_wpptp0,plot_wpt)
1109	n=n+1
1110	plot_ps(n) = plot_wpptp0
1111
1112	; ***************************************************
1113	; legend for overlaid plot
1114	; ***************************************************
1115
1116	lgres = True
1117	lgMonoDashIndex = False
1118	lgres@lgLabelFont = "helvetica"
1119	lgres@lgLabelFontHeightF = .1
1120	lgres@vpWidthF = 0.4
1121	lgres@vpHeightF = 0.4
1122	lgres@lgDashIndexes = (/0,0,0/)
1123	lgres@lgLineColors = (/237,144,80/)
1124	lbid = gsn_create_legend(\
1125	wks_ps,3,(/"wpptp0","wpptp","wpt"/),lgres)
1126	amres = True
1127	amres@amParallelPosF = 0.6
1128	amres@amOrthogonalPosF = -0.2
1129	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1130	end if
1131	end if
1132	if ((vNam(varn) .EQ. "wpptp" .OR. \
1133	vNam(varn) .EQ. "w"+dq+"pt"+dq) .AND. w0 .NE. 1)
1134	if (wt .NE. 1) then
1135	wp=1
1136	overlay(plot_wpptp0,plot_wpptp)
1137	overlay(plot_wpptp0,plot_wpt)
1138	n=n+1
1139	plot_ps(n) = plot_wpptp0
1140
1141	; ***************************************************
1142	; legend for overlaid plot
1143	; ***************************************************
1144
1145	lgres = True
1146	lgMonoDashIndex = False
1147	lgres@lgLabelFont = "helvetica"
1148	lgres@lgLabelFontHeightF = .1
1149	lgres@vpWidthF = 0.4
1150	lgres@vpHeightF = 0.4
1151	lgres@lgDashIndexes = (/0,0,0/)
1152	lgres@lgLineColors = (/237,144,80/)
1153	lbid = gsn_create_legend(\
1154	wks_ps,3,(/"wpptp0","wpptp","wpt"/),lgres)
1155
1156	amres = True
1157	amres@amParallelPosF = 0.6
1158	amres@amOrthogonalPosF = -0.2
1159	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1160	end if
1161	end if
1162	if (vNam(varn) .EQ. "wpt" .AND. wp .NE. 1)
1163	if (w0 .NE. 1) then
1164	wt=1
1165	overlay(plot_wpptp0,plot_wpptp)
1166	overlay(plot_wpptp0,plot_wpt)
1167	n=n+1
1168	plot_ps(n) = plot_wpptp0
1169
1170	; ***************************************************
1171	; legend for overlaid plot
1172	; ***************************************************
1173
1174	lgres = True
1175	lgMonoDashIndex = False
1176	lgres@lgLabelFont = "helvetica"
1177	lgres@lgLabelFontHeightF = .1
1178	lgres@vpWidthF = 0.4
1179	lgres@vpHeightF = 0.4
1180	lgres@lgDashIndexes = (/0,0,0/)
1181	lgres@lgLineColors = (/237,144,80/)
1182	lbid = gsn_create_legend(\
1183	wks_ps,3,(/"wpptp0","wpptp","wpt"/),lgres)
1184	amres = True
1185	amres@amParallelPosF = 0.6
1186	amres@amOrthogonalPosF = -0.2
1187	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1188	end if
1189	end if
1190
1191	if ((vNam(varn) .EQ. "pt_0_" .OR. vNam(varn) .EQ. "pt(0)") .AND. \
1192	pz .NE. 1) then
1193	p=1
1194	overlay(plot_pt_0_,plot_pt_zp_)
1195	n=n+1
1196	plot_ps(n) = plot_pt_0_
1197
1198	; ***************************************************
1199	; legend for overlaid plot
1200	; ***************************************************
1201
1202	lgres = True
1203	lgMonoDashIndex = False
1204	lgres@lgLabelFont = "helvetica"
1205	lgres@lgLabelFontHeightF = .1
1206	lgres@vpWidthF = 0.4
1207	lgres@vpHeightF = 0.4
1208	lgres@lgDashIndexes = (/0,0,0/)
1209	lgres@lgLineColors = (/237,144,80/)
1210	lbid = gsn_create_legend(wks_ps,2,(/"pt_0_","pt_zp_"/),lgres)
1211
1212	amres = True
1213	amres@amParallelPosF = 0.6
1214	amres@amOrthogonalPosF = -0.2
1215	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1216	end if
1217	if ((vNam(varn) .EQ. "pt_zp_" .OR. vNam(varn) .EQ. "pt(zp)") .AND.\
1218	p .NE. 1) then
1219	pz=1
1220	overlay(plot_pt_0_,plot_pt_zp_)
1221	n=n+1
1222	plot_ps(n) = plot_pt_0_
1223
1224	; ***************************************************
1225	; legend for overlaid plot
1226	; ***************************************************
1227
1228	lgres = True
1229	lgMonoDashIndex = False
1230	lgres@lgLabelFont = "helvetica"
1231	lgres@lgLabelFontHeightF = .1
1232	lgres@vpWidthF = 0.4
1233	lgres@vpHeightF = 0.4
1234	lgres@lgDashIndexes = (/0,0,0/)
1235	lgres@lgLineColors = (/237,144,80/)
1236	lbid = gsn_create_legend(wks_ps,2,(/"pt_0_","pt_zp_"/),lgres)
1237
1238	amres = True
1239	amres@amParallelPosF = 0.6
1240	amres@amOrthogonalPosF = -0.2
1241	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1242	end if
1243
1244	if(vNam(varn) .NE. "pt_zp_" .AND. vNam(varn) .NE. "pt(zp)" .AND. \
1245	vNam(varn) .NE. "pt_0_" .AND. vNam(varn) .NE. "pt(0)" .AND. \
1246	vNam(varn) .NE. "wpt" .AND. vNam(varn) .NE. "wpptp" .AND. \
1247	vNam(varn) .NE. "w"+dq+"pt"+dq .AND. \
1248	vNam(varn) .NE. "wpptp0" .AND. \
1249	vNam(varn) .NE. "w"+dq+"pt"+dq+"0" .AND. \
1250	vNam(varn) .NE. "z_i_pt" .AND. \
1251	vNam(varn) .NE. "z_i_wpt" .AND. vNam(varn) .NE. "wmax" .AND. \
1252	vNam(varn) .NE. "vmax" .AND. vNam(varn) .NE. "umax" .AND. \
1253	vNam(varn) .NE. "ws" .AND. vNam(varn) .NE. "w*" .AND. \
1254	vNam(varn) .NE. "us" .AND. vNam(varn) .NE. "u*" .AND. \
1255	vNam(varn) .NE. "Es" .AND. vNam(varn) .NE. "E*" .AND. \
1256	vNam(varn) .NE. "E") then
1257
1258	n=n+1
1259	res@xyLineColors = (/237/)
1260	res@xyLabelMode = False
1261	res@gsnLeftString = vNam(varn)
1262	res@gsnRightString = unit(varn)
1263	res@trYMaxF = max(data(varn,:))
1264	res@trYMinF = min(data(varn,:))
1265	if (min(data(varn,:)) .EQ. max(data(varn,:))) then
1266	if (min(data(varn,:)) .EQ. 0)then
1267	res@trYMaxF = max(data(varn,:))-0.1
1268	res@trYMinF = min(data(varn,:))+0.1
1269	end if
1270	if (min(data(varn,:)) .LT. 0)then
1271	res@trYMaxF = max(data(varn,:))+(min(data(varn,:)))/2
1272	res@trYMinF = min(data(varn,:))-(max(data(varn,:)))/2
1273	end if
1274	if (min(data(varn,:)) .GT. 0)then
1275	res@trYMaxF = max(data(varn,:))-(min(data(varn,:)))/2
1276	res@trYMinF = min(data(varn,:))+(max(data(varn,:)))/2
1277	end if
1278	end if
1279	plot_ps(n) = gsn_csm_xy(wks_ps,t,data(varn,:),res)
1280	end if
1281
1282	; ***************************************************
1283	; transparent legend as placeholder for single plots
1284	; ***************************************************
1285	lgresmono = True
1286	lgMonoDashIndex = False
1287	lgresmono@lgMonoLineColor = True
1288	lgresmono@lgLabelFont = "helvetica"
1289	lgresmono@lgLabelFontHeightF = .1
1290	lgresmono@vpWidthF = 0.4
1291	lgresmono@vpHeightF = 0.4
1292	lgresmono@lgLineColor = 0
1293	lgresmono@lgPerimOn = False
1294	lbid = gsn_create_legend(wks_ps,1,(/""/),lgresmono)
1295
1296	amres = True
1297	amres@amParallelPosF = 0.6
1298	amres@amOrthogonalPosF = -0.2
1299	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1300
1301	else
1302
1303	print("plot of " + vNam(varn))
1304
1305	n=n+1
1306	res@xyLineColors = (/237/)
1307	res@gsnLeftString = vNam(varn)
1308	res@gsnRightString = unit(varn)
1309
1310	if (norm_t .NE. 1.)then
1311	res@tiXAxisString = "t ("+unit_t+")"
1312	else
1313	res@tiXAxisString = "t (s)"
1314	end if
1315	res@tiYAxisString = " "
1316	res@tiXAxisFontHeightF = font_size
1317	res@txFontHeightF = font_size
1318	res@tiYAxisFontHeightF = font_size
1319	res@tmXBLabelFontHeightF = font_size
1320	res@tmYLLabelFontHeightF = font_size
1321	res@trYMaxF = max(data(varn,:))
1322	res@trYMinF = min(data(varn,:))
1323	if (min(data(varn,:)) .EQ. max(data(varn,:))) then
1324	if (min(data(varn,:)) .EQ. 0)then
1325	res@trYMaxF = max(data(varn,:))-0.1
1326	res@trYMinF = min(data(varn,:))+0.1
1327	end if
1328	if (min(data(varn,:)) .LT. 0)then
1329	res@trYMaxF = max(data(varn,:))+(min(data(varn,:)))/2
1330	res@trYMinF = min(data(varn,:))-(max(data(varn,:)))/2
1331	end if
1332	if (min(data(varn,:)) .GT. 0)then
1333	res@trYMaxF = max(data(varn,:))-(min(data(varn,:)))/2
1334	res@trYMinF = min(data(varn,:))+(max(data(varn,:)))/2
1335	end if
1336	end if
1337	plot_ps(n) = gsn_csm_xy(wks_ps,t,data(varn,:),res)
1338
1339	end if
1340	end if
1341	end do
1342
1343	; ***************************************************
1344	; merge plots onto one page
1345	; ***************************************************
1346
1347	no_frames = 0
1348
1349	if ((format_out .EQ. "eps" .OR. format_out .EQ. "epsi") .AND. \
1350	n .gt. no_rows*no_columns) then
1351	gsn_panel(wks_ps,plot_ps(1:n),(/n,1/),resP)
1352	print(" ")
1353	print("Outputs to .eps or .epsi have only one frame")
1354	print(" ")
1355	else
1356	do np = 1,n,no_rows*no_columns
1357	if ( np + no_rows*no_columns .gt. n) then
1358	gsn_panel(wks_ps, plot_ps(np:n),(/no_rows,no_columns/),resP)
1359	no_frames = no_frames + 1
1360	else
1361	gsn_panel(wks_ps, plot_ps(np:np+no_rows*no_columns-1),\
1362	(/no_rows,no_columns/),resP)
1363	no_frames = no_frames + 1
1364	end if
1365	end do
1366	end if
1367
1368	if (format_out .EQ. "png" ) then
1369	png_output = new((/no_frames/), string)
1370	j = 0
1371
1372	if (no_frames .eq. 1) then
1373	if (ncl_version .GE. 6 ) then
1374	png_output(0) = file_out+".png"
1375	else
1376	png_output(0) = file_out+".00000"+1+".png"
1377	end if
1378	;using imagemagick's convert for reducing the white
1379	;space around the plot
1380	cmd = "convert -geometry 1000x1000 -density 300 -trim " + \
1381	png_output(0) + " " + png_output(0)
1382	system(cmd)
1383	else
1384
1385	do i=0, no_frames-1
1386	j = i + 1
1387	if (j .LE. 9) then
1388	png_output(i) = file_out+".00000"+j+".png"
1389	end if
1390	if (j .GT. 9 .AND. j .LE. 99) then
1391	png_output(i) = file_out+".0000"+j+".png"
1392	end if
1393	if (j .GT. 99 .AND. j .LE. 999) then
1394	png_output(i) = file_out+".000"+j+".png"
1395	end if
1396	if (j .GT. 999) then
1397	png_output(i) = file_out+".00"+j+".png"
1398	end if
1399
1400	;using imagemagick's convert for reducing the white
1401	;space around the plot
1402	cmd = "convert -geometry 1000x1000 -density 300 -trim " + \
1403	png_output(i) + " " + png_output(i)
1404	system(cmd)
1405	end do
1406	end if
1407
1408	print(" ")
1409	print("Output to: "+ png_output)
1410	print(" ")
1411	else
1412	print(" ")
1413	print("Output to: " + file_out +"."+ format_out)
1414	print(" ")
1415	end if
1416
1417	end

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