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timeseries.ncl @ 1013

Last change on this file since 1013 was 983, checked in by hoffmann, 12 years ago
Bugfix in netcdf.f90 and improvements in palmplot.
File size: 51.5 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	; load .ncl.config or .ncl.config.default
8	;***************************************************
9
10	function which_script()
11	local script
12	begin
13	script="timeseries"
14	return(script)
15	end
16
17	if (isfilepresent("$PALM_BIN/../../.ncl.config")) then
18	loadscript("$PALM_BIN/../../.ncl.config")
19	else
20	if (isfilepresent("$PALM_BIN/NCL/.ncl.config.default")) then
21	loadscript( "$PALM_BIN/NCL/.ncl.config.default")
22	else
23	palm_bin_path = getenv("PALM_BIN")
24	print(" ")
25	print("Neither the personal configuration file '.ncl.config' exists in")
26	print("~/palm/current_version")
27	print("nor the default configuration file '.ncl.config.default' "+\
28	"exists in")
29	print(palm_bin_path + "/NCL")
30	print(" ")
31	exit
32	end if
33	end if
34
35	begin
36
37	;***************************************************
38	; Retrieving the NCL version used
39	;***************************************************
40
41	ncl_version_ch = systemfunc("ncl -V")
42	ncl_version = stringtofloat(ncl_version_ch)
43
44	;***************************************************
45	; Retrieving the double quote character
46	;***************************************************
47
48	dq=str_get_dq()
49
50	;***************************************************
51	; set up default parameter values and strings
52	;***************************************************
53
54	if (file_1 .EQ. "File in") then
55	print(" ")
56	print("Declare input file 'file_1=' in '.ncl.config' or prompt")
57	print(" ")
58	exit
59	else
60	file_in = file_1
61	end if
62
63	if (format_out .NE. "x11" .AND. format_out .NE. "pdf" .AND. \
64	format_out .NE. "eps" .AND. format_out .NE. "ps" .AND. \
65	format_out .NE. "epsi" .AND. format_out .NE. "ncgm" .AND. \
66	format_out .NE. "png")then
67	print(" ")
68	print("'format_out = "+format_out+"' is invalid and set to'x11'")
69	print(" ")
70	format_out="x11"
71	end if
72
73	if (ncl_version .LE. 5.1 .AND. format_out .EQ. "png") then
74	print(" ")
75	print("Output of png files not available")
76	print("png output is avaiable with NCL version 5.2.0 and higher ")
77	print("NCL version used: " + ncl_version_ch)
78	print(" ")
79	exit
80	end if
81
82	if (over .NE. 0 .AND. over .NE. 1) then
83	print(" ")
84	print("'over'= "+over+" is invalid and set to 0")
85	print(" ")
86	over = 0
87	end if
88
89	if (norm_t .EQ. 0) then
90	print(" ")
91	print("Normalising with 0 is not allowed, 'norm_t' is set to 1.0")
92	print(" ")
93	norm_t = 1.0
94	end if
95
96
97	;***************************************************
98	; open input file
99	;***************************************************
100
101	file_in_1 = False
102	if (isStrSubset(file_in, ".nc"))then
103	start_f = -2
104	end_f = -2
105	file_in_1 = True
106	end if
107
108	if (start_f .EQ. -1)then
109	print(" ")
110	print("'start_f' must be one of the cyclic numbers (at least 0) of "+\
111	"your input file(s)")
112	print(" ")
113	exit
114	end if
115	if (end_f .EQ. -1)then
116	print(" ")
117	print("'end_f' must be one of the cyclic numbers (at least 0) of "+\
118	"your input file(s)")
119	print(" ")
120	exit
121	end if
122
123	files=new(end_f-start_f+1,string)
124
125	if (file_in_1)then
126	if (isfilepresent(file_in))then
127	files(0)=file_in
128	else
129	print(" ")
130	print("1st input file: '"+file_in+"' does not exist")
131	print(" ")
132	exit
133	end if
134	else
135	if (start_f .EQ. 0)then
136	if (isfilepresent(file_in+".nc"))then
137	files(0)=file_in+".nc"
138	do i=1,end_f
139	if (isfilepresent(file_in+"."+i+".nc"))then
140	files(i)=file_in+"."+i+".nc"
141	else
142	print(" ")
143	print("Input file: '"+file_in+"."+i+".nc' does not exist")
144	print(" ")
145	exit
146	end if
147	end do
148	else
149	print(" ")
150	print("Input file: '"+file_in+".nc' does not exist")
151	print(" ")
152	exit
153	end if
154	else
155	do i=start_f,end_f
156	if (isfilepresent(file_in+"."+i+".nc"))then
157	files(i-start_f)=file_in+"."+i+".nc"
158	else
159	print(" ")
160	print("Input file: '"+file_in+"."+i+".nc' does not exist")
161	print(" ")
162	exit
163	end if
164	end do
165	end if
166	end if
167
168	f=addfiles(files,"r")
169	f_att=addfile(files(0),"r")
170	ListSetType(f,"cat")
171
172	vNam =getfilevarnames(f_att)
173	vType = getfilevartypes(f_att,vNam)
174	vNam_static = vNam
175
176	if ((all(vType .eq. "double"))) then ;distinction if data is double or float
177	check_vType = True
178	else
179	check_vType = False
180	end if
181
182	print(" ")
183	print("Variables in input file:")
184	print("- "+ vNam)
185	print(" ")
186	dim = dimsizes(vNam)
187	if (dim .EQ. 0) then
188	print(" ")
189	print("There is no data on file")
190	print(" ")
191	end if
192
193	t_all = f[:]->time
194	nt = dimsizes(t_all)
195
196	if (nt .EQ. 1)then
197	delta_t=t_all(nt-1)/nt
198	else
199	delta_t_array = new(nt-1,double)
200
201	do i=0,nt-2
202	delta_t_array(i) = t_all(i+1)-t_all(i)
203	end do
204
205	delta_t = min(delta_t_array)
206	delete(delta_t_array)
207	end if
208
209	if (nt .LE. 1) then
210	print(" ")
211	print("Input file contains only one time step -> " +\
212	"plot of timeseries is not possible ")
213	print(" ")
214	exit
215	end if
216
217	;****************************************************
218	; start of time step and different types of mistakes that could be done
219	;****************************************************
220
221	if (start_time_step .EQ. -1.) then
222	start_time_step=t_all(0)/3600
223	else
224	if (start_time_step .GE. t_all(nt-1)/3600)
225	print(" ")
226	print("'start_time_step' = "+ start_time_step +\
227	"h is equal or greater than last time step = " + \
228	t_all(nt-1)+"s = "+t_all(nt-1)/3600+"h")
229	print(" ")
230	print("Select another 'start_time_step'")
231	print(" ")
232	exit
233	end if
234	if (start_time_step .LT. t_all(0)/3600)
235	print(" ")
236	print("'start_time_step' = "+ start_time_step +\
237	"h is lower than first time step = " + t_all(0)+"s = "+\
238	t_all(0)/3600+"h")
239	print(" ")
240	print("Select another 'start_time_step'")
241	print(" ")
242	exit
243	end if
244	end if
245	do i=0,nt-2
246	if (start_time_step .GE. (t_all(i)-delta_t/2)/3600 .AND. \
247	start_time_step .LT. (t_all(i)+delta_t/2)/3600)then
248	st=i
249	break
250	else
251	st=0
252	end if
253	end do
254	if (start_time_step .GE. t_all(nt-1)-delta_t/2 .AND. \
255	start_time_step .LT. t_all(nt-1)) then
256	st=nt-2
257	else
258	st=0
259	end if
260
261	;****************************************************
262	; end of time step and different types of mistakes that could be done
263	;****************************************************
264
265	if (end_time_step .EQ. -1.) then
266	end_time_step = t_all(nt-1)/3600
267	else
268	if (end_time_step .LE. t_all(0)/3600)
269	print(" ")
270	print("'end_time_step' = "+end_time_step+ \
271	"h is lower or equal than first time step = " + \
272	t_all(0)+"s = "+t_all(0)/3600+"h")
273	print(" ")
274	print("Select another 'end_time_step'")
275	print(" ")
276	exit
277	end if
278	if (end_time_step .GT. t_all(nt-1)/3600)
279	print(" ")
280	print("'end_time_step' = "+ end_time_step +\
281	"h is greater than last time step = " + t_all(nt-1)+"s = "+\
282	t_all(nt-1)/3600+"h")
283	print(" ")
284	print("Select another 'end_time_step'")
285	print(" ")
286	exit
287	end if
288	if (end_time_step .LE. start_time_step/3600)
289	print(" ")
290	print("'end_time_step' = "+ end_time_step +\
291	"h is equal or lower than 'start_time_step' = "+\
292	start_time_step+"h")
293	print(" ")
294	print("Select another 'start_time_step' or 'end_time_step'")
295	print(" ")
296	exit
297	end if
298	end if
299	do i=0,nt-1
300	if (end_time_step .GE. (t_all(i)-delta_t/2)/3600 .AND. \
301	end_time_step .LT. (t_all(i)+delta_t/2)/3600)then
302	et=i
303	break
304	else
305	et=0
306	end if
307	end do
308
309	delete(start_time_step)
310	start_time_step=round(st,3)
311	delete(end_time_step)
312	end_time_step=round(et,3)
313
314	print(" ")
315	print("Output of time steps from "+t_all(start_time_step)/3600+" h = "+\
316	t_all(start_time_step)+" s => index = "+start_time_step)
317	print(" till "+t_all(end_time_step)/3600+" h = "+\
318	t_all(end_time_step)+" s => index = "+end_time_step)
319	print(" ")
320
321	t = t_all(start_time_step:end_time_step)/norm_t
322
323	; ***************************************************
324	; set up recourses
325	; ***************************************************
326
327	res = True
328	res@gsnDraw = False
329	res@gsnFrame = False
330	res@tmXBMode = True
331	res@tmYLMode = True
332	res@txFont = "helvetica"
333	res@tiMainFont = "helvetica"
334	res@tiXAxisFont = "helvetica"
335	res@tiYAxisFont = "helvetica"
336	res@tmXBLabelFont = "helvetica"
337	res@tmYLLabelFont = "helvetica"
338	res@xyLineColors = (/237/)
339	res@trXMaxF = t(start_time_step)
340	res@trXMinF = t(end_time_step)
341
342	res@lgLabelFontHeightF = 0.02
343
344	resP = True
345	resP@gsnMaximize = True
346	resP@gsnPanelXWhiteSpacePercent = 4.0
347	resP@gsnPanelYWhiteSpacePercent = 4.0
348	resP@txFont = "helvetica"
349	resP@txString = f_att@title+" time series "
350	resP@txFuncCode = "~"
351	if (format_out .NE. "x11") then
352	if (no_rows .GE. 5) then
353	resP@txFontHeightF = 0.0105
354	else
355	resP@txFontHeightF = 0.015
356	end if
357	else
358	resP@txFontHeightF = 0.015
359	end if
360	res@tmXBMinorPerMajor = 4
361	res@tmYLMinorPerMajor = 4
362
363	res@vpWidthF=4
364
365	txres = True
366
367	; ***************************************************
368	; read data and create plots
369	; ***************************************************
370
371	if ( format_out .EQ. "pdf" .OR. format_out .EQ. "ps" ) then
372	format_out@wkPaperSize = "A4"
373	end if
374	if ( format_out .EQ. "png" ) then
375	format_out@wkWidth = 1000
376	format_out@wkHeight = 1000
377	end if
378
379	wks_ps = gsn_open_wks(format_out,file_out)
380	gsn_define_colormap(wks_ps,"rainbow+white")
381	plot_ps=new(dim,graphic)
382
383	n=0
384	if (check_vType) then
385	minE = 100000.d
386	maxE = -100000.d
387	minus = 100000.d
388	maxus = -100000.d
389	minu = 100000.d
390	maxu = -100000.d
391	minz = 100000.d
392	maxz = -100000.d
393	minw = 100000.d
394	maxw = -100000.d
395	minp = 100000.d
396	maxp = -100000.d
397	mins = 100000.d
398	maxs = -100000.d
399	else
400	minE = 100000.
401	maxE = -100000.
402	minus = 100000.
403	maxus = -100000.
404	minu = 100000.
405	maxu = -100000.
406	minz = 100000.
407	maxz = -100000.
408	minw = 100000.
409	maxw = -100000.
410	minp = 100000.
411	maxp = -100000.
412	mins = 100000.
413	maxs = -100000.
414	end if
415
416	if (check_vType) then
417	data = new((/dim,(end_time_step-start_time_step)+1/),double)
418	data_0 = new((end_time_step-start_time_step)+1,double)
419	mini = new(dim,double)
420	maxi = new(dim,double)
421	else
422	data = new((/dim,(end_time_step-start_time_step)+1/),float)
423	data_0 = new((end_time_step-start_time_step)+1,float)
424	mini = new(dim,float)
425	maxi = new(dim,float)
426	end if
427	unit = new(dim,string)
428	data_0 = 0.0
429
430
431	if (over .EQ. 1) then
432	plot_E = gsn_csm_xy(wks_ps,t,data_0(:),res)
433	plot_Es = gsn_csm_xy(wks_ps,t,data_0(:),res)
434	plot_us = gsn_csm_xy(wks_ps,t,data_0(:),res)
435	plot_ws = gsn_csm_xy(wks_ps,t,data_0(:),res)
436	plot_umax = gsn_csm_xy(wks_ps,t,data_0(:),res)
437	plot_vmax = gsn_csm_xy(wks_ps,t,data_0(:),res)
438	plot_wmax = gsn_csm_xy(wks_ps,t,data_0(:),res)
439	plot_z_i_wpt = gsn_csm_xy(wks_ps,t,data_0(:),res)
440	plot_z_i_pt = gsn_csm_xy(wks_ps,t,data_0(:),res)
441	plot_wpptp0 = gsn_csm_xy(wks_ps,t,data_0(:),res)
442	plot_wpptp = gsn_csm_xy(wks_ps,t,data_0(:),res)
443	plot_wpt = gsn_csm_xy(wks_ps,t,data_0(:),res)
444	plot_pt_0_ = gsn_csm_xy(wks_ps,t,data_0(:),res)
445	plot_pt_zp_ = gsn_csm_xy(wks_ps,t,data_0(:),res)
446	end if
447
448
449	if (var .NE. "all") then
450	vNam_temp = new((/dim/),string)
451	comma = 0
452	var_char = stringtocharacter(var)
453	no_char = dimsizes(var_char)
454
455	do j = 0, no_char-1
456	if(var_char(j) .eq. ",")
457	comma = comma + 1
458	end if
459	end do
460
461	if(comma .eq. 0 .or. comma .eq. 1)
462	print(" ")
463	print("The variables 'var="+var+"'" )
464	print("do not exist on your input file;")
465	print("be sure to have one comma before and after each variable")
466	print(" ")
467	exit
468	end if
469
470	indices = new((/comma/), integer)
471	comma = 0
472
473	do j = 0, no_char-1
474	if(var_char(j) .eq. ",")
475	indices(comma) = j
476	comma = comma + 1
477	end if
478	end do
479
480	do j = 0, comma -2
481	vNam_temp(j) = charactertostring(\
482	var_char(indices(j)+1:indices(j+1)-1))
483	end do
484
485	delete(vNam)
486	vNam = new((/comma-1/),string)
487	do varn = 0, comma - 2
488	vNam(varn) = vNam_temp(comma - 2 - varn)
489	end do
490
491	do j = 0, comma-2
492	count_check = 0
493	do varn = 0, dim-1
494	if(vNam(j) .ne. vNam_static(varn))
495	count_check=count_check+1
496	end if
497	end do
498
499	if(count_check .eq. dim)
500	print(" ")
501	print("The variables 'var="+var+"'" )
502	print("do not exist on your input file;")
503	print("be sure to have one comma before and after each variable")
504	print(" ")
505	exit
506	end if
507	end do
508
509	dim = comma-1
510	end if
511
512
513	do varn = dim-1, 0, 1
514
515	if( isStrSubset (vNam(varn), "time") )
516	check = False
517	else
518	check = True
519	end if
520
521	if(check) then
522
523	data_all = f[:]->$vNam(varn)$
524	data_att = f_att->$vNam(varn)$
525	unit(varn) = data_att@units
526
527
528	data(varn,:)=data_all(start_time_step:end_time_step)
529
530	if (over .EQ. 1) then
531
532	mini(varn) = min(data(varn,:))
533	maxi(varn) = max(data(varn,:))
534
535	if (vNam(varn) .EQ. "E" .OR. vNam(varn) .EQ. "Es" .OR. \
536	vNam(varn) .EQ. "E*") then
537	if (mini(varn) .EQ. maxi(varn)) then
538	if (min(data(varn,:)) .EQ. 0)then
539	mini(varn)= mini(varn)-0.1
540	maxi(varn)= maxi(varn)+0.1
541	end if
542	if (min(data(varn,:)) .LT. 0)then
543	mini(varn)= mini(varn)-1.+(mini(varn))/2
544	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
545	end if
546	if (min(data(varn,:)) .GT. 0)then
547	mini(varn)= mini(varn)-1.-(mini(varn))/2
548	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
549	end if
550	end if
551	minE=min((/minE,mini(varn)/))
552	maxE=max((/maxE,maxi(varn)/))
553	end if
554
555	if (vNam(varn) .EQ. "us" .OR. vNam(varn) .EQ. "ws"\
556	.OR. vNam(varn) .EQ. "u" .OR. vNam(varn) .EQ. "w") then
557	if (mini(varn) .EQ. maxi(varn)) then
558	if (min(data(varn,:)) .EQ. 0)then
559	mini(varn)= mini(varn)-0.1
560	maxi(varn)= maxi(varn)+0.1
561	end if
562	if (min(data(varn,:)) .LT. 0)then
563	mini(varn)= mini(varn)-1.+(mini(varn))/2
564	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
565	end if
566	if (min(data(varn,:)) .GT. 0)then
567	mini(varn)= mini(varn)-1.-(mini(varn))/2
568	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
569	end if
570	end if
571	minus=min((/minus,mini(varn)/))
572	maxus=max((/maxus,maxi(varn)/))
573	end if
574
575	if (vNam(varn) .EQ. "umax" .OR. vNam(varn) .EQ. "vmax" .OR. \
576	vNam(varn) .EQ. "wmax") then
577	if (mini(varn) .EQ. maxi(varn)) then
578	if (mini(varn) .EQ. 0)then
579	mini(varn)= mini(varn)-0.1
580	maxi(varn)= maxi(varn)+0.1
581	end if
582	if (mini(varn) .LT. 0)then
583	mini(varn)= mini(varn)-1.+(mini(varn))/2
584	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
585	end if
586	if (mini(varn) .GT. 0)then
587	mini(varn)= mini(varn)-1.-(mini(varn))/2
588	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
589	end if
590	end if
591	minu=min((/minu,mini(varn)/))
592	maxu=max((/maxu,maxi(varn)/))
593	end if
594
595	if (vNam(varn) .EQ. "z_i_wpt" .OR. vNam(varn) .EQ. "z_i_pt") then
596	if (mini(varn) .EQ. maxi(varn)) then
597	if (min(data(varn,:)) .EQ. 0)then
598	mini(varn)= mini(varn)-0.1
599	maxi(varn)= maxi(varn)+0.1
600	end if
601	if (min(data(varn,:)) .LT. 0)then
602	mini(varn)= mini(varn)-1.+(mini(varn))/2
603	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
604	end if
605	if (min(data(varn,:)) .GT. 0)then
606	mini(varn)= mini(varn)-1.-(mini(varn))/2
607	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
608	end if
609	end if
610	minz=min((/minz,mini(varn)/))
611	maxz=max((/maxz,maxi(varn)/))
612	end if
613
614	if (vNam(varn) .EQ. "wpptp0" .OR. vNam(varn) .EQ. "wpptp" .OR. \
615	vNam(varn) .EQ. "wpt" .OR. vNam(varn) .EQ. \
616	"w"+dq+"pt"+dq+"0" .OR. vNam(varn) .EQ. "w"+dq+"pt"+dq ) then
617	if (mini(varn) .EQ. maxi(varn)) then
618	if (min(data(varn,:)) .EQ. 0)then
619	mini(varn)= mini(varn)-0.1
620	maxi(varn)= maxi(varn)+0.1
621	end if
622	if (min(data(varn,:)) .LT. 0)then
623	mini(varn)= mini(varn)-1.+(mini(varn))/2
624	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
625	end if
626	if (min(data(varn,:)) .GT. 0)then
627	mini(varn)= mini(varn)-1.-(mini(varn))/2
628	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
629	end if
630	end if
631	minw=min((/minw,mini(varn)/))
632	maxw=max((/maxw,maxi(varn)/))
633	end if
634
635	if (vNam(varn) .EQ. "pt_0_" .OR. vNam(varn) .EQ. "pt_zp_"\
636	.OR. vNam(varn) .EQ. "pt(0)" .OR. vNam(varn) .EQ. "pt(zp)") then
637	if (mini(varn) .EQ. maxi(varn)) then
638	if (min(data(varn,:)) .EQ. 0)then
639	mini(varn)= mini(varn)-0.1
640	maxi(varn)= maxi(varn)+0.1
641	end if
642	if (min(data(varn,:)) .LT. 0)then
643	mini(varn)= mini(varn)-1.+(mini(varn))/2
644	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
645	end if
646	if (min(data(varn,:)) .GT. 0)then
647	mini(varn)= mini(varn)-1.-(mini(varn))/2
648	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
649	end if
650	end if
651	minp=min((/minp,mini(varn)/))
652	maxp=max((/maxp,maxi(varn)/))
653	end if
654
655	end if
656	end if
657	end do
658
659	if (isStrSubset(data@long_name," SR " ))then
660	print(" ")
661	print("If you have outputs of statistic regions you cannot overlay "+\
662	"variables;")
663	print("'over' is set to 0" )
664	print(" ")
665	over = 0
666	end if
667
668	do varn = dim-1, 0, 1
669
670	if( isStrSubset (vNam(varn), "time") )
671	check = False
672	else
673	check = True
674	end if
675
676	if (var .NE. "all") then
677	check = isStrSubset( var,","+vNam(varn)+"," )
678	end if
679
680	if(check) then
681
682	if (over .EQ. 1) then
683
684	res@gsnLeftString = "overlayed plot"
685	res@gsnRightString = unit(varn)
686	if (norm_t .NE. 1.)then
687	res@tiXAxisString = "t ("+unit_t+")"
688	else
689	res@tiXAxisString = "t (s)"
690	end if
691	res@tiYAxisString = " "
692	res@tiXAxisFontHeightF = font_size
693	res@txFontHeightF = font_size
694	res@tiYAxisFontHeightF = font_size
695
696	if (vNam(varn) .EQ. "E")
697	E=0
698	res@xyLineColors = (/237/)
699	res@xyLineLabelFontHeightF = 0.05
700	res@xyLineLabelFontColor = 237
701	res@trYMaxF = maxE
702	res@trYMinF = minE
703	plot_E = gsn_csm_xy(wks_ps,t,data(varn,:),res)
704	end if
705	if (vNam(varn) .EQ. "Es" .OR. vNam(varn) .EQ. "E*")
706	Es=0
707	res@xyLineColors = (/144/)
708	res@xyLineLabelFontHeightF = 0.05
709	res@xyLineLabelFontColor = 144
710	plot_Es = gsn_csm_xy(wks_ps,t,data(varn,:),res)
711	end if
712
713	if (vNam(varn) .EQ. "us" .OR. vNam(varn) .EQ. "u*")
714	us=0
715	res@xyLineColors = (/237/)
716	res@xyLineLabelFontHeightF = 0.05
717	res@xyLineLabelFontColor = 237
718	res@trYMaxF = maxus
719	res@trYMinF = minus
720	plot_us = gsn_csm_xy(wks_ps,t,data(varn,:),res)
721	end if
722	if (vNam(varn) .EQ. "ws" .OR. vNam(varn) .EQ. "w*")
723	ws=0
724	res@xyLineColors = (/144/)
725	res@xyLineLabelFontHeightF = 0.05
726	res@xyLineLabelFontColor = 144
727	plot_ws = gsn_csm_xy(wks_ps,t,data(varn,:),res)
728	end if
729
730	if (vNam(varn) .EQ. "umax")
731	u=0
732	res@xyLineColors = (/237/)
733	res@xyLineLabelFontHeightF = 0.05
734	res@xyLineLabelFontColor = 237
735	res@trYMaxF = maxu
736	res@trYMinF = minu
737	plot_umax = gsn_csm_xy(wks_ps,t,data(varn,:),res)
738	end if
739	if (vNam(varn) .EQ. "vmax")
740	v=0
741	res@xyLineColors = (/144/)
742	res@xyLineLabelFontHeightF = 0.05
743	res@xyLineLabelFontColor = 144
744	plot_vmax = gsn_csm_xy(wks_ps,t,data(varn,:),res)
745	end if
746	if (vNam(varn) .EQ. "wmax")
747	w=0
748	res@xyLineColors = (/80/)
749	res@xyLineLabelFontHeightF = 0.05
750	res@xyLineLabelFontColor = 80
751	plot_wmax = gsn_csm_xy(wks_ps,t,data(varn,:),res)
752	end if
753
754	if (vNam(varn) .EQ. "z_i_wpt")
755	zw=0
756	res@xyLineColors = (/237/)
757	res@xyLineLabelFontHeightF = 0.05
758	res@xyLineLabelFontColor = 237
759	res@trYMaxF = maxz
760	res@trYMinF = minz
761	plot_z_i_wpt = gsn_csm_xy(wks_ps,t,data(varn,:),res)
762	end if
763	if (vNam(varn) .EQ. "z_i_pt")
764	z=0
765	res@xyLineColors = (/144/)
766	res@xyLineLabelFontHeightF = 0.05
767	res@xyLineLabelFontColor = 144
768	plot_z_i_pt = gsn_csm_xy(wks_ps,t,data(varn,:),res)
769	end if
770
771	if (vNam(varn) .EQ. "wpptp0" .OR. \
772	vNam(varn) .EQ. "w"+dq+"pt"+dq+"0" )
773	w0=0
774	res@xyLineColors = (/237/)
775	res@xyLineLabelFontHeightF = 0.05
776	res@xyLineLabelFontColor = 237
777	res@trYMaxF = maxw
778	res@trYMinF = minw
779	plot_wpptp0 = gsn_csm_xy(wks_ps,t,data(varn,:),res)
780	end if
781	if (vNam(varn) .EQ. "wpptp" .OR. vNam(varn) .EQ. "w"+dq+"pt"+dq)
782	wp=0
783	res@xyLineColors = (/144/)
784	res@xyLineLabelFontHeightF = 0.05
785	res@xyLineLabelFontColor = 144
786	plot_wpptp = gsn_csm_xy(wks_ps,t,data(varn,:),res)
787	end if
788	if (vNam(varn) .EQ. "wpt")
789	wt=0
790	res@xyLineColors = (/80/)
791	res@xyLineLabelFontHeightF = 0.05
792	res@xyLineLabelFontColor = 80
793	plot_wpt = gsn_csm_xy(wks_ps,t,data(varn,:),res)
794	end if
795
796	if (vNam(varn) .EQ. "pt_0_" .OR. vNam(varn) .EQ. "pt(0)")
797	p=0
798	res@xyLineColors = (/237/)
799	res@xyLineLabelFontHeightF = 0.05
800	res@xyLineLabelFontColor = 237
801	res@trYMaxF = maxp
802	res@trYMinF = minp
803	plot_pt_0_ = gsn_csm_xy(wks_ps,t,data(varn,:),res)
804	end if
805	if (vNam(varn) .EQ. "pt_zp_" .OR. vNam(varn) .EQ. "pt(zp)")
806	pz=0
807	res@xyLineColors = (/144/)
808	res@xyLineLabelFontHeightF = 0.05
809	res@xyLineLabelFontColor = 144
810	plot_pt_zp_ = gsn_csm_xy(wks_ps,t,data(varn,:),res)
811	end if
812
813	end if
814	end if
815	end do
816
817
818	do varn = dim-1, 0, 1
819
820	if( isStrSubset (vNam(varn), "time") )
821	check = False
822	else
823	check = True
824	end if
825
826	if (var.NE. "all") then
827	check = isStrSubset( var,","+vNam(varn)+"," )
828	end if
829
830	if(check) then
831
832	if (over .EQ. 1) then
833
834	if (vNam(varn) .EQ. "E" .AND. Es .NE. 1) then
835	E=1
836	overlay(plot_E,plot_Es)
837	n=n+1
838	plot_ps(n) = plot_E
839
840	; ***************************************************
841	; legend for overlaid plot
842	; ***************************************************
843
844	lgres = True
845	lgMonoDashIndex = False
846	lgres@lgLabelFont = "helvetica"
847	lgres@lgLabelFontHeightF = .1
848	lgres@vpWidthF = 0.4
849	lgres@vpHeightF = 0.4
850	lgres@lgDashIndexes = (/0,0,0/)
851	lgres@lgLineColors = (/237,144,80/)
852	lbid = gsn_create_legend(wks_ps,2,(/"E","E*"/),lgres)
853
854	amres = True
855	amres@amParallelPosF = 0.6
856	amres@amOrthogonalPosF = -0.2
857	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
858	end if
859	if ((vNam(varn) .EQ. "Es" .OR. vNam(varn) .EQ. "E*") .AND. \
860	E .NE. 1) then
861	Es=1
862	overlay(plot_E,plot_Es)
863	n=n+1
864	plot_ps(n) = plot_E
865
866	; ***************************************************
867	; legend for overlaid plot
868	; ***************************************************
869
870	lgres = True
871	lgMonoDashIndex = False
872	lgres@lgLabelFont = "helvetica"
873	lgres@lgLabelFontHeightF = .1
874	lgres@vpWidthF = 0.4
875	lgres@vpHeightF = 0.4
876	lgres@lgDashIndexes = (/0,0,0/)
877	lgres@lgLineColors = (/237,144,80/)
878	lbid = gsn_create_legend(wks_ps,2,(/"E","E*"/),lgres)
879
880	amres = True
881	amres@amParallelPosF = 0.6
882	amres@amOrthogonalPosF = -0.2
883	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
884	end if
885
886	if ((vNam(varn) .EQ. "us" .OR. vNam(varn) .EQ. "u*") .AND. \
887	ws .NE. 1) then
888	us=1
889	overlay(plot_us,plot_ws)
890	n=n+1
891	plot_ps(n) = plot_us
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,(/"u","w"/),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	if ((vNam(varn) .EQ. "ws" .OR. vNam(varn) .EQ. "w*") .AND. \
913	us .NE. 1) then
914	ws=1
915	overlay(plot_us,plot_ws)
916	n=n+1
917	plot_ps(n) = plot_us
918
919	; ***************************************************
920	; legend for overlaid plot
921	; ***************************************************
922
923	lgres = True
924	lgMonoDashIndex = False
925	lgres@lgLabelFont = "helvetica"
926	lgres@lgLabelFontHeightF = .1
927	lgres@vpWidthF = 0.4
928	lgres@vpHeightF = 0.4
929	lgres@lgDashIndexes = (/0,0,0/)
930	lgres@lgLineColors = (/237,144,80/)
931	lbid = gsn_create_legend(wks_ps,2,(/"u","w"/),lgres)
932
933	amres = True
934	amres@amParallelPosF = 0.6
935	amres@amOrthogonalPosF = -0.2
936	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
937	end if
938
939	if (vNam(varn) .EQ. "umax" .AND. v .NE. 1)
940	if (w .NE. 1) then
941	u=1
942	overlay(plot_umax,plot_vmax)
943	overlay(plot_umax,plot_wmax)
944
945	n=n+1
946	plot_ps(n) = plot_umax
947
948	; ***************************************************
949	; legend for overlaid plot
950	; ***************************************************
951
952	lgres = True
953	lgMonoDashIndex = False
954	lgres@lgLabelFont = "helvetica"
955	lgres@lgLabelFontHeightF = .1
956	lgres@vpWidthF = 0.4
957	lgres@vpHeightF = 0.4
958	lgres@lgDashIndexes = (/0,0,0/)
959	lgres@lgLineColors = (/237,144,80/)
960	lbid = gsn_create_legend(\
961	wks_ps,3,(/"umax","vmax","wmax"/),lgres)
962
963	amres = True
964	amres@amParallelPosF = 0.6
965	amres@amOrthogonalPosF = -0.2
966	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
967	end if
968	end if
969	if (vNam(varn) .EQ. "vmax" .AND. u .NE. 1)
970	if (w .NE. 1) then
971	v=1
972	overlay(plot_umax,plot_vmax)
973	overlay(plot_umax,plot_wmax)
974	n=n+1
975	plot_ps(n) = plot_umax
976
977	; ***************************************************
978	; legend for overlaid plot
979	; ***************************************************
980
981	lgres = True
982	lgMonoDashIndex = False
983	lgres@lgLabelFont = "helvetica"
984	lgres@lgLabelFontHeightF = .1
985	lgres@vpWidthF = 0.4
986	lgres@vpHeightF = 0.4
987	lgres@lgDashIndexes = (/0,0,0/)
988	lgres@lgLineColors = (/237,144,80/)
989	lbid = gsn_create_legend(\
990	wks_ps,3,(/"umax","vmax","wmax"/),lgres)
991	amres = True
992	amres@amParallelPosF = 0.6
993	amres@amOrthogonalPosF = -0.2
994	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
995	end if
996	end if
997	if (vNam(varn) .EQ. "wmax" .AND. v .NE. 1)
998	if(u .NE. 1) then
999	w=1
1000	overlay(plot_umax,plot_vmax)
1001	overlay(plot_umax,plot_wmax)
1002	n=n+1
1003	plot_ps(n) = plot_umax
1004
1005	; ***************************************************
1006	; legend for overlaid plot
1007	; ***************************************************
1008
1009	lgres = True
1010	lgMonoDashIndex = False
1011	lgres@lgLabelFont = "helvetica"
1012	lgres@lgLabelFontHeightF = .1
1013	lgres@vpWidthF = 0.4
1014	lgres@vpHeightF = 0.4
1015	lgres@lgDashIndexes = (/0,0,0/)
1016	lgres@lgLineColors = (/237,144,80/)
1017	lbid = gsn_create_legend(\
1018	wks_ps,3,(/"umax","vmax","wmax"/),lgres)
1019	amres = True
1020	amres@amParallelPosF = 0.6
1021	amres@amOrthogonalPosF = -0.2
1022	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1023	end if
1024	end if
1025
1026	if (vNam(varn) .EQ. "z_i_wpt" .AND. z .NE. 1) then
1027	zw=1
1028	overlay(plot_z_i_wpt,plot_z_i_pt)
1029	n=n+1
1030	plot_ps(n) = plot_z_i_wpt
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(wks_ps,2,(/"z_i_wpt","z_i_pt"/),lgres)
1045
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	if (vNam(varn) .EQ. "z_i_pt" .AND. zw .NE. 1) then
1052	z=1
1053	overlay(plot_z_i_wpt,plot_z_i_pt)
1054	n=n+1
1055	plot_ps(n) = plot_z_i_wpt
1056
1057	; ***************************************************
1058	; legend for overlaid plot
1059	; ***************************************************
1060
1061	lgres = True
1062	lgMonoDashIndex = False
1063	lgres@lgLabelFont = "helvetica"
1064	lgres@lgLabelFontHeightF = .1
1065	lgres@vpWidthF = 0.4
1066	lgres@vpHeightF = 0.4
1067	lgres@lgDashIndexes = (/0,0,0/)
1068	lgres@lgLineColors = (/237,144,80/)
1069	lbid = gsn_create_legend(wks_ps,2,(/"z_i_wpt","z_i_pt"/),lgres)
1070
1071	amres = True
1072	amres@amParallelPosF = 0.6
1073	amres@amOrthogonalPosF = -0.2
1074	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1075	end if
1076
1077	if ((vNam(varn) .EQ. "wpptp0" .OR. vNam(varn) .EQ. "w"+dq+"pt"+dq+"0") .AND. wp .NE. 1)
1078	if (wt .NE. 1) then
1079	w0=1
1080	overlay(plot_wpptp0,plot_wpptp)
1081	overlay(plot_wpptp0,plot_wpt)
1082	n=n+1
1083	plot_ps(n) = plot_wpptp0
1084
1085	; ***************************************************
1086	; legend for overlaid plot
1087	; ***************************************************
1088
1089	lgres = True
1090	lgMonoDashIndex = False
1091	lgres@lgLabelFont = "helvetica"
1092	lgres@lgLabelFontHeightF = .1
1093	lgres@vpWidthF = 0.4
1094	lgres@vpHeightF = 0.4
1095	lgres@lgDashIndexes = (/0,0,0/)
1096	lgres@lgLineColors = (/237,144,80/)
1097	lbid = gsn_create_legend(\
1098	wks_ps,3,(/"wpptp0","wpptp","wpt"/),lgres)
1099	amres = True
1100	amres@amParallelPosF = 0.6
1101	amres@amOrthogonalPosF = -0.2
1102	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1103	end if
1104	end if
1105	if ((vNam(varn) .EQ. "wpptp" .OR. \
1106	vNam(varn) .EQ. "w"+dq+"pt"+dq) .AND. w0 .NE. 1)
1107	if (wt .NE. 1) then
1108	wp=1
1109	overlay(plot_wpptp0,plot_wpptp)
1110	overlay(plot_wpptp0,plot_wpt)
1111	n=n+1
1112	plot_ps(n) = plot_wpptp0
1113
1114	; ***************************************************
1115	; legend for overlaid plot
1116	; ***************************************************
1117
1118	lgres = True
1119	lgMonoDashIndex = False
1120	lgres@lgLabelFont = "helvetica"
1121	lgres@lgLabelFontHeightF = .1
1122	lgres@vpWidthF = 0.4
1123	lgres@vpHeightF = 0.4
1124	lgres@lgDashIndexes = (/0,0,0/)
1125	lgres@lgLineColors = (/237,144,80/)
1126	lbid = gsn_create_legend(\
1127	wks_ps,3,(/"wpptp0","wpptp","wpt"/),lgres)
1128
1129	amres = True
1130	amres@amParallelPosF = 0.6
1131	amres@amOrthogonalPosF = -0.2
1132	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1133	end if
1134	end if
1135	if (vNam(varn) .EQ. "wpt" .AND. wp .NE. 1)
1136	if (w0 .NE. 1) then
1137	wt=1
1138	overlay(plot_wpptp0,plot_wpptp)
1139	overlay(plot_wpptp0,plot_wpt)
1140	n=n+1
1141	plot_ps(n) = plot_wpptp0
1142
1143	; ***************************************************
1144	; legend for overlaid plot
1145	; ***************************************************
1146
1147	lgres = True
1148	lgMonoDashIndex = False
1149	lgres@lgLabelFont = "helvetica"
1150	lgres@lgLabelFontHeightF = .1
1151	lgres@vpWidthF = 0.4
1152	lgres@vpHeightF = 0.4
1153	lgres@lgDashIndexes = (/0,0,0/)
1154	lgres@lgLineColors = (/237,144,80/)
1155	lbid = gsn_create_legend(\
1156	wks_ps,3,(/"wpptp0","wpptp","wpt"/),lgres)
1157	amres = True
1158	amres@amParallelPosF = 0.6
1159	amres@amOrthogonalPosF = -0.2
1160	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1161	end if
1162	end if
1163
1164	if ((vNam(varn) .EQ. "pt_0_" .OR. vNam(varn) .EQ. "pt(0)") .AND. \
1165	pz .NE. 1) then
1166	p=1
1167	overlay(plot_pt_0_,plot_pt_zp_)
1168	n=n+1
1169	plot_ps(n) = plot_pt_0_
1170
1171	; ***************************************************
1172	; legend for overlaid plot
1173	; ***************************************************
1174
1175	lgres = True
1176	lgMonoDashIndex = False
1177	lgres@lgLabelFont = "helvetica"
1178	lgres@lgLabelFontHeightF = .1
1179	lgres@vpWidthF = 0.4
1180	lgres@vpHeightF = 0.4
1181	lgres@lgDashIndexes = (/0,0,0/)
1182	lgres@lgLineColors = (/237,144,80/)
1183	lbid = gsn_create_legend(wks_ps,2,(/"pt_0_","pt_zp_"/),lgres)
1184
1185	amres = True
1186	amres@amParallelPosF = 0.6
1187	amres@amOrthogonalPosF = -0.2
1188	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1189	end if
1190	if ((vNam(varn) .EQ. "pt_zp_" .OR. vNam(varn) .EQ. "pt(zp)") .AND.\
1191	p .NE. 1) then
1192	pz=1
1193	overlay(plot_pt_0_,plot_pt_zp_)
1194	n=n+1
1195	plot_ps(n) = plot_pt_0_
1196
1197	; ***************************************************
1198	; legend for overlaid plot
1199	; ***************************************************
1200
1201	lgres = True
1202	lgMonoDashIndex = False
1203	lgres@lgLabelFont = "helvetica"
1204	lgres@lgLabelFontHeightF = .1
1205	lgres@vpWidthF = 0.4
1206	lgres@vpHeightF = 0.4
1207	lgres@lgDashIndexes = (/0,0,0/)
1208	lgres@lgLineColors = (/237,144,80/)
1209	lbid = gsn_create_legend(wks_ps,2,(/"pt_0_","pt_zp_"/),lgres)
1210
1211	amres = True
1212	amres@amParallelPosF = 0.6
1213	amres@amOrthogonalPosF = -0.2
1214	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1215	end if
1216
1217	if(vNam(varn) .NE. "pt_zp_" .AND. vNam(varn) .NE. "pt(zp)" .AND. \
1218	vNam(varn) .NE. "pt_0_" .AND. vNam(varn) .NE. "pt(0)" .AND. \
1219	vNam(varn) .NE. "wpt" .AND. vNam(varn) .NE. "wpptp" .AND. \
1220	vNam(varn) .NE. "w"+dq+"pt"+dq .AND. \
1221	vNam(varn) .NE. "wpptp0" .AND. \
1222	vNam(varn) .NE. "w"+dq+"pt"+dq+"0" .AND. \
1223	vNam(varn) .NE. "z_i_pt" .AND. \
1224	vNam(varn) .NE. "z_i_wpt" .AND. vNam(varn) .NE. "wmax" .AND. \
1225	vNam(varn) .NE. "vmax" .AND. vNam(varn) .NE. "umax" .AND. \
1226	vNam(varn) .NE. "ws" .AND. vNam(varn) .NE. "w*" .AND. \
1227	vNam(varn) .NE. "us" .AND. vNam(varn) .NE. "u*" .AND. \
1228	vNam(varn) .NE. "Es" .AND. vNam(varn) .NE. "E*" .AND. \
1229	vNam(varn) .NE. "E") then
1230
1231	n=n+1
1232	res@xyLineColors = (/237/)
1233	res@xyLabelMode = False
1234	res@gsnLeftString = vNam(varn)
1235	res@gsnRightString = unit(varn)
1236	res@trYMaxF = max(data(varn,:))
1237	res@trYMinF = min(data(varn,:))
1238	if (min(data(varn,:)) .EQ. max(data(varn,:))) then
1239	if (min(data(varn,:)) .EQ. 0)then
1240	res@trYMaxF = max(data(varn,:))-0.1
1241	res@trYMinF = min(data(varn,:))+0.1
1242	end if
1243	if (min(data(varn,:)) .LT. 0)then
1244	res@trYMaxF = max(data(varn,:))+(min(data(varn,:)))/2
1245	res@trYMinF = min(data(varn,:))-(max(data(varn,:)))/2
1246	end if
1247	if (min(data(varn,:)) .GT. 0)then
1248	res@trYMaxF = max(data(varn,:))-(min(data(varn,:)))/2
1249	res@trYMinF = min(data(varn,:))+(max(data(varn,:)))/2
1250	end if
1251	end if
1252	plot_ps(n) = gsn_csm_xy(wks_ps,t,data(varn,:),res)
1253	end if
1254
1255	; ***************************************************
1256	; transparent legend as placeholder for single plots
1257	; ***************************************************
1258	lgresmono = True
1259	lgMonoDashIndex = False
1260	lgresmono@lgMonoLineColor = True
1261	lgresmono@lgLabelFont = "helvetica"
1262	lgresmono@lgLabelFontHeightF = .1
1263	lgresmono@vpWidthF = 0.4
1264	lgresmono@vpHeightF = 0.4
1265	lgresmono@lgLineColor = 0
1266	lgresmono@lgPerimOn = False
1267	lbid = gsn_create_legend(wks_ps,1,(/""/),lgresmono)
1268
1269	amres = True
1270	amres@amParallelPosF = 0.6
1271	amres@amOrthogonalPosF = -0.2
1272	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1273
1274	else
1275
1276	print("plot of " + vNam(varn))
1277
1278	n=n+1
1279	res@xyLineColors = (/237/)
1280	res@gsnLeftString = vNam(varn)
1281	res@gsnRightString = unit(varn)
1282
1283	if (norm_t .NE. 1.)then
1284	res@tiXAxisString = "t ("+unit_t+")"
1285	else
1286	res@tiXAxisString = "t (s)"
1287	end if
1288	res@tiYAxisString = " "
1289	res@tiXAxisFontHeightF = font_size
1290	res@txFontHeightF = font_size
1291	res@tiYAxisFontHeightF = font_size
1292	res@tmXBLabelFontHeightF = font_size
1293	res@tmYLLabelFontHeightF = font_size
1294	res@trYMaxF = max(data(varn,:))
1295	res@trYMinF = min(data(varn,:))
1296	if (min(data(varn,:)) .EQ. max(data(varn,:))) then
1297	if (min(data(varn,:)) .EQ. 0)then
1298	res@trYMaxF = max(data(varn,:))-0.1
1299	res@trYMinF = min(data(varn,:))+0.1
1300	end if
1301	if (min(data(varn,:)) .LT. 0)then
1302	res@trYMaxF = max(data(varn,:))+(min(data(varn,:)))/2
1303	res@trYMinF = min(data(varn,:))-(max(data(varn,:)))/2
1304	end if
1305	if (min(data(varn,:)) .GT. 0)then
1306	res@trYMaxF = max(data(varn,:))-(min(data(varn,:)))/2
1307	res@trYMinF = min(data(varn,:))+(max(data(varn,:)))/2
1308	end if
1309	end if
1310	plot_ps(n) = gsn_csm_xy(wks_ps,t,data(varn,:),res)
1311
1312	end if
1313	end if
1314	end do
1315
1316	; ***************************************************
1317	; merge plots onto one page
1318	; ***************************************************
1319
1320	no_frames = 0
1321
1322	if ((format_out .EQ. "eps" .OR. format_out .EQ. "epsi") .AND. \
1323	n .gt. no_rows*no_columns) then
1324	gsn_panel(wks_ps,plot_ps(1:n),(/n,1/),resP)
1325	print(" ")
1326	print("Outputs to .eps or .epsi have only one frame")
1327	print(" ")
1328	else
1329	do np = 1,n,no_rows*no_columns
1330	if ( np + no_rows*no_columns .gt. n) then
1331	gsn_panel(wks_ps, plot_ps(np:n),(/no_rows,no_columns/),resP)
1332	no_frames = no_frames + 1
1333	else
1334	gsn_panel(wks_ps, plot_ps(np:np+no_rows*no_columns-1),\
1335	(/no_rows,no_columns/),resP)
1336	no_frames = no_frames + 1
1337	end if
1338	end do
1339	end if
1340
1341	if (format_out .EQ. "png" ) then
1342	png_output = new((/no_frames/), string)
1343	j = 0
1344
1345	if (no_frames .eq. 1) then
1346	if (ncl_version .GE. 6 ) then
1347	png_output(0) = file_out+".png"
1348	else
1349	png_output(0) = file_out+".00000"+1+".png"
1350	end if
1351	;using imagemagick's convert for reducing the white
1352	;space around the plot
1353	cmd = "convert -geometry 1000x1000 -density 300 -trim " + \
1354	png_output(0) + " " + png_output(0)
1355	system(cmd)
1356	else
1357
1358	do i=0, no_frames-1
1359	j = i + 1
1360	if (j .LE. 9) then
1361	png_output(i) = file_out+".00000"+j+".png"
1362	end if
1363	if (j .GT. 9 .AND. j .LE. 99) then
1364	png_output(i) = file_out+".0000"+j+".png"
1365	end if
1366	if (j .GT. 99 .AND. j .LE. 999) then
1367	png_output(i) = file_out+".000"+j+".png"
1368	end if
1369	if (j .GT. 999) then
1370	png_output(i) = file_out+".00"+j+".png"
1371	end if
1372
1373	;using imagemagick's convert for reducing the white
1374	;space around the plot
1375	cmd = "convert -geometry 1000x1000 -density 300 -trim " + \
1376	png_output(i) + " " + png_output(i)
1377	system(cmd)
1378	end do
1379	end if
1380
1381	print(" ")
1382	print("Output to: "+ png_output)
1383	print(" ")
1384	else
1385	print(" ")
1386	print("Output to: " + file_out +"."+ format_out)
1387	print(" ")
1388	end if
1389
1390	end

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