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timeseries.ncl @ 833

Last change on this file since 833 was 827, checked in by heinze, 13 years ago
allow plotting of data with very small time increments
File size: 50.6 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@txFont = "helvetica"
346	resP@txString = f_att@title+" time series "
347	resP@txFuncCode = "~"
348	resP@txFontHeightF = 0.015
349
350	res@tmXBMinorPerMajor = 4
351	res@tmYLMinorPerMajor = 4
352
353	res@vpWidthF=4
354
355	txres = True
356
357	; ***************************************************
358	; read data and create plots
359	; ***************************************************
360
361	if ( format_out .EQ. "pdf" .OR. format_out .EQ. "ps" ) then
362	format_out@wkPaperSize = "A4"
363	end if
364	if ( format_out .EQ. "png" ) then
365	format_out@wkWidth = 1000
366	format_out@wkHeight = 1000
367	end if
368
369	wks_ps = gsn_open_wks(format_out,file_out)
370	gsn_define_colormap(wks_ps,"rainbow+white")
371	plot_ps=new(dim,graphic)
372
373	n=0
374	if (check_vType) then
375	minE = 100000.d
376	maxE = -100000.d
377	minus = 100000.d
378	maxus = -100000.d
379	minu = 100000.d
380	maxu = -100000.d
381	minz = 100000.d
382	maxz = -100000.d
383	minw = 100000.d
384	maxw = -100000.d
385	minp = 100000.d
386	maxp = -100000.d
387	mins = 100000.d
388	maxs = -100000.d
389	else
390	minE = 100000.
391	maxE = -100000.
392	minus = 100000.
393	maxus = -100000.
394	minu = 100000.
395	maxu = -100000.
396	minz = 100000.
397	maxz = -100000.
398	minw = 100000.
399	maxw = -100000.
400	minp = 100000.
401	maxp = -100000.
402	mins = 100000.
403	maxs = -100000.
404	end if
405
406	if (check_vType) then
407	data = new((/dim,(end_time_step-start_time_step)+1/),double)
408	data_0 = new((end_time_step-start_time_step)+1,double)
409	mini = new(dim,double)
410	maxi = new(dim,double)
411	else
412	data = new((/dim,(end_time_step-start_time_step)+1/),float)
413	data_0 = new((end_time_step-start_time_step)+1,float)
414	mini = new(dim,float)
415	maxi = new(dim,float)
416	end if
417	unit = new(dim,string)
418	data_0 = 0.0
419
420
421	if (over .EQ. 1) then
422	plot_E = gsn_csm_xy(wks_ps,t,data_0(:),res)
423	plot_Es = gsn_csm_xy(wks_ps,t,data_0(:),res)
424	plot_us = gsn_csm_xy(wks_ps,t,data_0(:),res)
425	plot_ws = gsn_csm_xy(wks_ps,t,data_0(:),res)
426	plot_umax = gsn_csm_xy(wks_ps,t,data_0(:),res)
427	plot_vmax = gsn_csm_xy(wks_ps,t,data_0(:),res)
428	plot_wmax = gsn_csm_xy(wks_ps,t,data_0(:),res)
429	plot_z_i_wpt = gsn_csm_xy(wks_ps,t,data_0(:),res)
430	plot_z_i_pt = gsn_csm_xy(wks_ps,t,data_0(:),res)
431	plot_wpptp0 = gsn_csm_xy(wks_ps,t,data_0(:),res)
432	plot_wpptp = gsn_csm_xy(wks_ps,t,data_0(:),res)
433	plot_wpt = gsn_csm_xy(wks_ps,t,data_0(:),res)
434	plot_pt_0_ = gsn_csm_xy(wks_ps,t,data_0(:),res)
435	plot_pt_zp_ = gsn_csm_xy(wks_ps,t,data_0(:),res)
436	end if
437
438
439	if (var .NE. "all") then
440	vNam_temp = new((/dim/),string)
441	comma = 0
442	var_char = stringtocharacter(var)
443	no_char = dimsizes(var_char)
444
445	do j = 0, no_char-1
446	if(var_char(j) .eq. ",")
447	comma = comma + 1
448	end if
449	end do
450
451	if(comma .eq. 0 .or. comma .eq. 1)
452	print(" ")
453	print("The variables 'var="+var+"'" )
454	print("do not exist on your input file;")
455	print("be sure to have one comma before and after each variable")
456	print(" ")
457	exit
458	end if
459
460	indices = new((/comma/), integer)
461	comma = 0
462
463	do j = 0, no_char-1
464	if(var_char(j) .eq. ",")
465	indices(comma) = j
466	comma = comma + 1
467	end if
468	end do
469
470	do j = 0, comma -2
471	vNam_temp(j) = charactertostring(\
472	var_char(indices(j)+1:indices(j+1)-1))
473	end do
474
475	delete(vNam)
476	vNam = new((/comma-1/),string)
477	do varn = 0, comma - 2
478	vNam(varn) = vNam_temp(comma - 2 - varn)
479	end do
480
481	do j = 0, comma-2
482	count_check = 0
483	do varn = 0, dim-1
484	if(vNam(j) .ne. vNam_static(varn))
485	count_check=count_check+1
486	end if
487	end do
488
489	if(count_check .eq. dim)
490	print(" ")
491	print("The variables 'var="+var+"'" )
492	print("do not exist on your input file;")
493	print("be sure to have one comma before and after each variable")
494	print(" ")
495	exit
496	end if
497	end do
498
499	dim = comma-1
500	end if
501
502
503	do varn = dim-1, 0, 1
504
505	if( isStrSubset (vNam(varn), "time") )
506	check = False
507	else
508	check = True
509	end if
510
511	if(check) then
512
513	data_all = f[:]->$vNam(varn)$
514	data_att = f_att->$vNam(varn)$
515	unit(varn) = data_att@units
516
517
518	data(varn,:)=data_all(start_time_step:end_time_step)
519
520	if (over .EQ. 1) then
521
522	mini(varn) = min(data(varn,:))
523	maxi(varn) = max(data(varn,:))
524
525	if (vNam(varn) .EQ. "E" .OR. vNam(varn) .EQ. "Es" .OR. \
526	vNam(varn) .EQ. "E*") then
527	if (mini(varn) .EQ. maxi(varn)) then
528	if (min(data(varn,:)) .EQ. 0)then
529	mini(varn)= mini(varn)-0.1
530	maxi(varn)= maxi(varn)+0.1
531	end if
532	if (min(data(varn,:)) .LT. 0)then
533	mini(varn)= mini(varn)-1.+(mini(varn))/2
534	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
535	end if
536	if (min(data(varn,:)) .GT. 0)then
537	mini(varn)= mini(varn)-1.-(mini(varn))/2
538	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
539	end if
540	end if
541	minE=min((/minE,mini(varn)/))
542	maxE=max((/maxE,maxi(varn)/))
543	end if
544
545	if (vNam(varn) .EQ. "us" .OR. vNam(varn) .EQ. "ws"\
546	.OR. vNam(varn) .EQ. "u" .OR. vNam(varn) .EQ. "w") then
547	if (mini(varn) .EQ. maxi(varn)) then
548	if (min(data(varn,:)) .EQ. 0)then
549	mini(varn)= mini(varn)-0.1
550	maxi(varn)= maxi(varn)+0.1
551	end if
552	if (min(data(varn,:)) .LT. 0)then
553	mini(varn)= mini(varn)-1.+(mini(varn))/2
554	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
555	end if
556	if (min(data(varn,:)) .GT. 0)then
557	mini(varn)= mini(varn)-1.-(mini(varn))/2
558	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
559	end if
560	end if
561	minus=min((/minus,mini(varn)/))
562	maxus=max((/maxus,maxi(varn)/))
563	end if
564
565	if (vNam(varn) .EQ. "umax" .OR. vNam(varn) .EQ. "vmax" .OR. \
566	vNam(varn) .EQ. "wmax") then
567	if (mini(varn) .EQ. maxi(varn)) then
568	if (mini(varn) .EQ. 0)then
569	mini(varn)= mini(varn)-0.1
570	maxi(varn)= maxi(varn)+0.1
571	end if
572	if (mini(varn) .LT. 0)then
573	mini(varn)= mini(varn)-1.+(mini(varn))/2
574	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
575	end if
576	if (mini(varn) .GT. 0)then
577	mini(varn)= mini(varn)-1.-(mini(varn))/2
578	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
579	end if
580	end if
581	minu=min((/minu,mini(varn)/))
582	maxu=max((/maxu,maxi(varn)/))
583	end if
584
585	if (vNam(varn) .EQ. "z_i_wpt" .OR. vNam(varn) .EQ. "z_i_pt") then
586	if (mini(varn) .EQ. maxi(varn)) then
587	if (min(data(varn,:)) .EQ. 0)then
588	mini(varn)= mini(varn)-0.1
589	maxi(varn)= maxi(varn)+0.1
590	end if
591	if (min(data(varn,:)) .LT. 0)then
592	mini(varn)= mini(varn)-1.+(mini(varn))/2
593	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
594	end if
595	if (min(data(varn,:)) .GT. 0)then
596	mini(varn)= mini(varn)-1.-(mini(varn))/2
597	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
598	end if
599	end if
600	minz=min((/minz,mini(varn)/))
601	maxz=max((/maxz,maxi(varn)/))
602	end if
603
604	if (vNam(varn) .EQ. "wpptp0" .OR. vNam(varn) .EQ. "wpptp" .OR. \
605	vNam(varn) .EQ. "wpt" .OR. vNam(varn) .EQ. \
606	"w"+dq+"pt"+dq+"0" .OR. vNam(varn) .EQ. "w"+dq+"pt"+dq ) then
607	if (mini(varn) .EQ. maxi(varn)) then
608	if (min(data(varn,:)) .EQ. 0)then
609	mini(varn)= mini(varn)-0.1
610	maxi(varn)= maxi(varn)+0.1
611	end if
612	if (min(data(varn,:)) .LT. 0)then
613	mini(varn)= mini(varn)-1.+(mini(varn))/2
614	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
615	end if
616	if (min(data(varn,:)) .GT. 0)then
617	mini(varn)= mini(varn)-1.-(mini(varn))/2
618	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
619	end if
620	end if
621	minw=min((/minw,mini(varn)/))
622	maxw=max((/maxw,maxi(varn)/))
623	end if
624
625	if (vNam(varn) .EQ. "pt_0_" .OR. vNam(varn) .EQ. "pt_zp_"\
626	.OR. vNam(varn) .EQ. "pt(0)" .OR. vNam(varn) .EQ. "pt(zp)") then
627	if (mini(varn) .EQ. maxi(varn)) then
628	if (min(data(varn,:)) .EQ. 0)then
629	mini(varn)= mini(varn)-0.1
630	maxi(varn)= maxi(varn)+0.1
631	end if
632	if (min(data(varn,:)) .LT. 0)then
633	mini(varn)= mini(varn)-1.+(mini(varn))/2
634	maxi(varn)= maxi(varn)+1.-(maxi(varn))/2
635	end if
636	if (min(data(varn,:)) .GT. 0)then
637	mini(varn)= mini(varn)-1.-(mini(varn))/2
638	maxi(varn)= maxi(varn)+1.+(maxi(varn))/2
639	end if
640	end if
641	minp=min((/minp,mini(varn)/))
642	maxp=max((/maxp,maxi(varn)/))
643	end if
644
645	end if
646	end if
647	end do
648
649	if (isStrSubset(data@long_name," SR " ))then
650	print(" ")
651	print("If you have outputs of statistic regions you cannot overlay "+\
652	"variables;")
653	print("'over' is set to 0" )
654	print(" ")
655	over = 0
656	end if
657
658	do varn = dim-1, 0, 1
659
660	if( isStrSubset (vNam(varn), "time") )
661	check = False
662	else
663	check = True
664	end if
665
666	if (var .NE. "all") then
667	check = isStrSubset( var,","+vNam(varn)+"," )
668	end if
669
670	if(check) then
671
672	if (over .EQ. 1) then
673
674	res@gsnLeftString = "overlayed plot"
675	res@gsnRightString = unit(varn)
676	if (norm_t .NE. 1.)then
677	res@tiXAxisString = "t ("+unit_t+")"
678	else
679	res@tiXAxisString = "t (s)"
680	end if
681	res@tiYAxisString = " "
682	res@tiXAxisFontHeightF = font_size
683	res@txFontHeightF = font_size
684	res@tiYAxisFontHeightF = font_size
685
686	if (vNam(varn) .EQ. "E")
687	E=0
688	res@xyLineColors = (/237/)
689	res@xyLineLabelFontHeightF = 0.05
690	res@xyLineLabelFontColor = 237
691	res@trYMaxF = maxE
692	res@trYMinF = minE
693	plot_E = gsn_csm_xy(wks_ps,t,data(varn,:),res)
694	end if
695	if (vNam(varn) .EQ. "Es" .OR. vNam(varn) .EQ. "E*")
696	Es=0
697	res@xyLineColors = (/144/)
698	res@xyLineLabelFontHeightF = 0.05
699	res@xyLineLabelFontColor = 144
700	plot_Es = gsn_csm_xy(wks_ps,t,data(varn,:),res)
701	end if
702
703	if (vNam(varn) .EQ. "us" .OR. vNam(varn) .EQ. "u*")
704	us=0
705	res@xyLineColors = (/237/)
706	res@xyLineLabelFontHeightF = 0.05
707	res@xyLineLabelFontColor = 237
708	res@trYMaxF = maxus
709	res@trYMinF = minus
710	plot_us = gsn_csm_xy(wks_ps,t,data(varn,:),res)
711	end if
712	if (vNam(varn) .EQ. "ws" .OR. vNam(varn) .EQ. "w*")
713	ws=0
714	res@xyLineColors = (/144/)
715	res@xyLineLabelFontHeightF = 0.05
716	res@xyLineLabelFontColor = 144
717	plot_ws = gsn_csm_xy(wks_ps,t,data(varn,:),res)
718	end if
719
720	if (vNam(varn) .EQ. "umax")
721	u=0
722	res@xyLineColors = (/237/)
723	res@xyLineLabelFontHeightF = 0.05
724	res@xyLineLabelFontColor = 237
725	res@trYMaxF = maxu
726	res@trYMinF = minu
727	plot_umax = gsn_csm_xy(wks_ps,t,data(varn,:),res)
728	end if
729	if (vNam(varn) .EQ. "vmax")
730	v=0
731	res@xyLineColors = (/144/)
732	res@xyLineLabelFontHeightF = 0.05
733	res@xyLineLabelFontColor = 144
734	plot_vmax = gsn_csm_xy(wks_ps,t,data(varn,:),res)
735	end if
736	if (vNam(varn) .EQ. "wmax")
737	w=0
738	res@xyLineColors = (/80/)
739	res@xyLineLabelFontHeightF = 0.05
740	res@xyLineLabelFontColor = 80
741	plot_wmax = gsn_csm_xy(wks_ps,t,data(varn,:),res)
742	end if
743
744	if (vNam(varn) .EQ. "z_i_wpt")
745	zw=0
746	res@xyLineColors = (/237/)
747	res@xyLineLabelFontHeightF = 0.05
748	res@xyLineLabelFontColor = 237
749	res@trYMaxF = maxz
750	res@trYMinF = minz
751	plot_z_i_wpt = gsn_csm_xy(wks_ps,t,data(varn,:),res)
752	end if
753	if (vNam(varn) .EQ. "z_i_pt")
754	z=0
755	res@xyLineColors = (/144/)
756	res@xyLineLabelFontHeightF = 0.05
757	res@xyLineLabelFontColor = 144
758	plot_z_i_pt = gsn_csm_xy(wks_ps,t,data(varn,:),res)
759	end if
760
761	if (vNam(varn) .EQ. "wpptp0" .OR. \
762	vNam(varn) .EQ. "w"+dq+"pt"+dq+"0" )
763	w0=0
764	res@xyLineColors = (/237/)
765	res@xyLineLabelFontHeightF = 0.05
766	res@xyLineLabelFontColor = 237
767	res@trYMaxF = maxw
768	res@trYMinF = minw
769	plot_wpptp0 = gsn_csm_xy(wks_ps,t,data(varn,:),res)
770	end if
771	if (vNam(varn) .EQ. "wpptp" .OR. vNam(varn) .EQ. "w"+dq+"pt"+dq)
772	wp=0
773	res@xyLineColors = (/144/)
774	res@xyLineLabelFontHeightF = 0.05
775	res@xyLineLabelFontColor = 144
776	plot_wpptp = gsn_csm_xy(wks_ps,t,data(varn,:),res)
777	end if
778	if (vNam(varn) .EQ. "wpt")
779	wt=0
780	res@xyLineColors = (/80/)
781	res@xyLineLabelFontHeightF = 0.05
782	res@xyLineLabelFontColor = 80
783	plot_wpt = gsn_csm_xy(wks_ps,t,data(varn,:),res)
784	end if
785
786	if (vNam(varn) .EQ. "pt_0_" .OR. vNam(varn) .EQ. "pt(0)")
787	p=0
788	res@xyLineColors = (/237/)
789	res@xyLineLabelFontHeightF = 0.05
790	res@xyLineLabelFontColor = 237
791	res@trYMaxF = maxp
792	res@trYMinF = minp
793	plot_pt_0_ = gsn_csm_xy(wks_ps,t,data(varn,:),res)
794	end if
795	if (vNam(varn) .EQ. "pt_zp_" .OR. vNam(varn) .EQ. "pt(zp)")
796	pz=0
797	res@xyLineColors = (/144/)
798	res@xyLineLabelFontHeightF = 0.05
799	res@xyLineLabelFontColor = 144
800	plot_pt_zp_ = gsn_csm_xy(wks_ps,t,data(varn,:),res)
801	end if
802
803	end if
804	end if
805	end do
806
807
808	do varn = dim-1, 0, 1
809
810	if( isStrSubset (vNam(varn), "time") )
811	check = False
812	else
813	check = True
814	end if
815
816	if (var.NE. "all") then
817	check = isStrSubset( var,","+vNam(varn)+"," )
818	end if
819
820	if(check) then
821
822	if (over .EQ. 1) then
823
824	if (vNam(varn) .EQ. "E" .AND. Es .NE. 1) then
825	E=1
826	overlay(plot_E,plot_Es)
827	n=n+1
828	plot_ps(n) = plot_E
829
830	; ***************************************************
831	; legend for overlaid plot
832	; ***************************************************
833
834	lgres = True
835	lgMonoDashIndex = False
836	lgres@lgLabelFont = "helvetica"
837	lgres@lgLabelFontHeightF = .1
838	lgres@vpWidthF = 0.4
839	lgres@vpHeightF = 0.4
840	lgres@lgDashIndexes = (/0,0,0/)
841	lgres@lgLineColors = (/237,144,80/)
842	lbid = gsn_create_legend(wks_ps,2,(/"E","E*"/),lgres)
843
844	amres = True
845	amres@amParallelPosF = 0.6
846	amres@amOrthogonalPosF = -0.2
847	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
848	end if
849	if ((vNam(varn) .EQ. "Es" .OR. vNam(varn) .EQ. "E*") .AND. \
850	E .NE. 1) then
851	Es=1
852	overlay(plot_E,plot_Es)
853	n=n+1
854	plot_ps(n) = plot_E
855
856	; ***************************************************
857	; legend for overlaid plot
858	; ***************************************************
859
860	lgres = True
861	lgMonoDashIndex = False
862	lgres@lgLabelFont = "helvetica"
863	lgres@lgLabelFontHeightF = .1
864	lgres@vpWidthF = 0.4
865	lgres@vpHeightF = 0.4
866	lgres@lgDashIndexes = (/0,0,0/)
867	lgres@lgLineColors = (/237,144,80/)
868	lbid = gsn_create_legend(wks_ps,2,(/"E","E*"/),lgres)
869
870	amres = True
871	amres@amParallelPosF = 0.6
872	amres@amOrthogonalPosF = -0.2
873	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
874	end if
875
876	if ((vNam(varn) .EQ. "us" .OR. vNam(varn) .EQ. "u*") .AND. \
877	ws .NE. 1) then
878	us=1
879	overlay(plot_us,plot_ws)
880	n=n+1
881	plot_ps(n) = plot_us
882
883	; ***************************************************
884	; legend for overlaid plot
885	; ***************************************************
886
887	lgres = True
888	lgMonoDashIndex = False
889	lgres@lgLabelFont = "helvetica"
890	lgres@lgLabelFontHeightF = .1
891	lgres@vpWidthF = 0.4
892	lgres@vpHeightF = 0.4
893	lgres@lgDashIndexes = (/0,0,0/)
894	lgres@lgLineColors = (/237,144,80/)
895	lbid = gsn_create_legend(wks_ps,2,(/"u","w"/),lgres)
896
897	amres = True
898	amres@amParallelPosF = 0.6
899	amres@amOrthogonalPosF = -0.2
900	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
901	end if
902	if ((vNam(varn) .EQ. "ws" .OR. vNam(varn) .EQ. "w*") .AND. \
903	us .NE. 1) then
904	ws=1
905	overlay(plot_us,plot_ws)
906	n=n+1
907	plot_ps(n) = plot_us
908
909	; ***************************************************
910	; legend for overlaid plot
911	; ***************************************************
912
913	lgres = True
914	lgMonoDashIndex = False
915	lgres@lgLabelFont = "helvetica"
916	lgres@lgLabelFontHeightF = .1
917	lgres@vpWidthF = 0.4
918	lgres@vpHeightF = 0.4
919	lgres@lgDashIndexes = (/0,0,0/)
920	lgres@lgLineColors = (/237,144,80/)
921	lbid = gsn_create_legend(wks_ps,2,(/"u","w"/),lgres)
922
923	amres = True
924	amres@amParallelPosF = 0.6
925	amres@amOrthogonalPosF = -0.2
926	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
927	end if
928
929	if (vNam(varn) .EQ. "umax" .AND. v .NE. 1)
930	if (w .NE. 1) then
931	u=1
932	overlay(plot_umax,plot_vmax)
933	overlay(plot_umax,plot_wmax)
934
935	n=n+1
936	plot_ps(n) = plot_umax
937
938	; ***************************************************
939	; legend for overlaid plot
940	; ***************************************************
941
942	lgres = True
943	lgMonoDashIndex = False
944	lgres@lgLabelFont = "helvetica"
945	lgres@lgLabelFontHeightF = .1
946	lgres@vpWidthF = 0.4
947	lgres@vpHeightF = 0.4
948	lgres@lgDashIndexes = (/0,0,0/)
949	lgres@lgLineColors = (/237,144,80/)
950	lbid = gsn_create_legend(\
951	wks_ps,3,(/"umax","vmax","wmax"/),lgres)
952
953	amres = True
954	amres@amParallelPosF = 0.6
955	amres@amOrthogonalPosF = -0.2
956	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
957	end if
958	end if
959	if (vNam(varn) .EQ. "vmax" .AND. u .NE. 1)
960	if (w .NE. 1) then
961	v=1
962	overlay(plot_umax,plot_vmax)
963	overlay(plot_umax,plot_wmax)
964	n=n+1
965	plot_ps(n) = plot_umax
966
967	; ***************************************************
968	; legend for overlaid plot
969	; ***************************************************
970
971	lgres = True
972	lgMonoDashIndex = False
973	lgres@lgLabelFont = "helvetica"
974	lgres@lgLabelFontHeightF = .1
975	lgres@vpWidthF = 0.4
976	lgres@vpHeightF = 0.4
977	lgres@lgDashIndexes = (/0,0,0/)
978	lgres@lgLineColors = (/237,144,80/)
979	lbid = gsn_create_legend(\
980	wks_ps,3,(/"umax","vmax","wmax"/),lgres)
981	amres = True
982	amres@amParallelPosF = 0.6
983	amres@amOrthogonalPosF = -0.2
984	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
985	end if
986	end if
987	if (vNam(varn) .EQ. "wmax" .AND. v .NE. 1)
988	if(u .NE. 1) then
989	w=1
990	overlay(plot_umax,plot_vmax)
991	overlay(plot_umax,plot_wmax)
992	n=n+1
993	plot_ps(n) = plot_umax
994
995	; ***************************************************
996	; legend for overlaid plot
997	; ***************************************************
998
999	lgres = True
1000	lgMonoDashIndex = False
1001	lgres@lgLabelFont = "helvetica"
1002	lgres@lgLabelFontHeightF = .1
1003	lgres@vpWidthF = 0.4
1004	lgres@vpHeightF = 0.4
1005	lgres@lgDashIndexes = (/0,0,0/)
1006	lgres@lgLineColors = (/237,144,80/)
1007	lbid = gsn_create_legend(\
1008	wks_ps,3,(/"umax","vmax","wmax"/),lgres)
1009	amres = True
1010	amres@amParallelPosF = 0.6
1011	amres@amOrthogonalPosF = -0.2
1012	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1013	end if
1014	end if
1015
1016	if (vNam(varn) .EQ. "z_i_wpt" .AND. z .NE. 1) then
1017	zw=1
1018	overlay(plot_z_i_wpt,plot_z_i_pt)
1019	n=n+1
1020	plot_ps(n) = plot_z_i_wpt
1021
1022	; ***************************************************
1023	; legend for overlaid plot
1024	; ***************************************************
1025
1026	lgres = True
1027	lgMonoDashIndex = False
1028	lgres@lgLabelFont = "helvetica"
1029	lgres@lgLabelFontHeightF = .1
1030	lgres@vpWidthF = 0.4
1031	lgres@vpHeightF = 0.4
1032	lgres@lgDashIndexes = (/0,0,0/)
1033	lgres@lgLineColors = (/237,144,80/)
1034	lbid = gsn_create_legend(wks_ps,2,(/"z_i_wpt","z_i_pt"/),lgres)
1035
1036	amres = True
1037	amres@amParallelPosF = 0.6
1038	amres@amOrthogonalPosF = -0.2
1039	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1040	end if
1041	if (vNam(varn) .EQ. "z_i_pt" .AND. zw .NE. 1) then
1042	z=1
1043	overlay(plot_z_i_wpt,plot_z_i_pt)
1044	n=n+1
1045	plot_ps(n) = plot_z_i_wpt
1046
1047	; ***************************************************
1048	; legend for overlaid plot
1049	; ***************************************************
1050
1051	lgres = True
1052	lgMonoDashIndex = False
1053	lgres@lgLabelFont = "helvetica"
1054	lgres@lgLabelFontHeightF = .1
1055	lgres@vpWidthF = 0.4
1056	lgres@vpHeightF = 0.4
1057	lgres@lgDashIndexes = (/0,0,0/)
1058	lgres@lgLineColors = (/237,144,80/)
1059	lbid = gsn_create_legend(wks_ps,2,(/"z_i_wpt","z_i_pt"/),lgres)
1060
1061	amres = True
1062	amres@amParallelPosF = 0.6
1063	amres@amOrthogonalPosF = -0.2
1064	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1065	end if
1066
1067	if ((vNam(varn) .EQ. "wpptp0" .OR. vNam(varn) .EQ. "w"+dq+"pt"+dq+"0") .AND. wp .NE. 1)
1068	if (wt .NE. 1) then
1069	w0=1
1070	overlay(plot_wpptp0,plot_wpptp)
1071	overlay(plot_wpptp0,plot_wpt)
1072	n=n+1
1073	plot_ps(n) = plot_wpptp0
1074
1075	; ***************************************************
1076	; legend for overlaid plot
1077	; ***************************************************
1078
1079	lgres = True
1080	lgMonoDashIndex = False
1081	lgres@lgLabelFont = "helvetica"
1082	lgres@lgLabelFontHeightF = .1
1083	lgres@vpWidthF = 0.4
1084	lgres@vpHeightF = 0.4
1085	lgres@lgDashIndexes = (/0,0,0/)
1086	lgres@lgLineColors = (/237,144,80/)
1087	lbid = gsn_create_legend(\
1088	wks_ps,3,(/"wpptp0","wpptp","wpt"/),lgres)
1089	amres = True
1090	amres@amParallelPosF = 0.6
1091	amres@amOrthogonalPosF = -0.2
1092	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1093	end if
1094	end if
1095	if ((vNam(varn) .EQ. "wpptp" .OR. \
1096	vNam(varn) .EQ. "w"+dq+"pt"+dq) .AND. w0 .NE. 1)
1097	if (wt .NE. 1) then
1098	wp=1
1099	overlay(plot_wpptp0,plot_wpptp)
1100	overlay(plot_wpptp0,plot_wpt)
1101	n=n+1
1102	plot_ps(n) = plot_wpptp0
1103
1104	; ***************************************************
1105	; legend for overlaid plot
1106	; ***************************************************
1107
1108	lgres = True
1109	lgMonoDashIndex = False
1110	lgres@lgLabelFont = "helvetica"
1111	lgres@lgLabelFontHeightF = .1
1112	lgres@vpWidthF = 0.4
1113	lgres@vpHeightF = 0.4
1114	lgres@lgDashIndexes = (/0,0,0/)
1115	lgres@lgLineColors = (/237,144,80/)
1116	lbid = gsn_create_legend(\
1117	wks_ps,3,(/"wpptp0","wpptp","wpt"/),lgres)
1118
1119	amres = True
1120	amres@amParallelPosF = 0.6
1121	amres@amOrthogonalPosF = -0.2
1122	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1123	end if
1124	end if
1125	if (vNam(varn) .EQ. "wpt" .AND. wp .NE. 1)
1126	if (w0 .NE. 1) then
1127	wt=1
1128	overlay(plot_wpptp0,plot_wpptp)
1129	overlay(plot_wpptp0,plot_wpt)
1130	n=n+1
1131	plot_ps(n) = plot_wpptp0
1132
1133	; ***************************************************
1134	; legend for overlaid plot
1135	; ***************************************************
1136
1137	lgres = True
1138	lgMonoDashIndex = False
1139	lgres@lgLabelFont = "helvetica"
1140	lgres@lgLabelFontHeightF = .1
1141	lgres@vpWidthF = 0.4
1142	lgres@vpHeightF = 0.4
1143	lgres@lgDashIndexes = (/0,0,0/)
1144	lgres@lgLineColors = (/237,144,80/)
1145	lbid = gsn_create_legend(\
1146	wks_ps,3,(/"wpptp0","wpptp","wpt"/),lgres)
1147	amres = True
1148	amres@amParallelPosF = 0.6
1149	amres@amOrthogonalPosF = -0.2
1150	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1151	end if
1152	end if
1153
1154	if ((vNam(varn) .EQ. "pt_0_" .OR. vNam(varn) .EQ. "pt(0)") .AND. \
1155	pz .NE. 1) then
1156	p=1
1157	overlay(plot_pt_0_,plot_pt_zp_)
1158	n=n+1
1159	plot_ps(n) = plot_pt_0_
1160
1161	; ***************************************************
1162	; legend for overlaid plot
1163	; ***************************************************
1164
1165	lgres = True
1166	lgMonoDashIndex = False
1167	lgres@lgLabelFont = "helvetica"
1168	lgres@lgLabelFontHeightF = .1
1169	lgres@vpWidthF = 0.4
1170	lgres@vpHeightF = 0.4
1171	lgres@lgDashIndexes = (/0,0,0/)
1172	lgres@lgLineColors = (/237,144,80/)
1173	lbid = gsn_create_legend(wks_ps,2,(/"pt_0_","pt_zp_"/),lgres)
1174
1175	amres = True
1176	amres@amParallelPosF = 0.6
1177	amres@amOrthogonalPosF = -0.2
1178	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1179	end if
1180	if ((vNam(varn) .EQ. "pt_zp_" .OR. vNam(varn) .EQ. "pt(zp)") .AND.\
1181	p .NE. 1) then
1182	pz=1
1183	overlay(plot_pt_0_,plot_pt_zp_)
1184	n=n+1
1185	plot_ps(n) = plot_pt_0_
1186
1187	; ***************************************************
1188	; legend for overlaid plot
1189	; ***************************************************
1190
1191	lgres = True
1192	lgMonoDashIndex = False
1193	lgres@lgLabelFont = "helvetica"
1194	lgres@lgLabelFontHeightF = .1
1195	lgres@vpWidthF = 0.4
1196	lgres@vpHeightF = 0.4
1197	lgres@lgDashIndexes = (/0,0,0/)
1198	lgres@lgLineColors = (/237,144,80/)
1199	lbid = gsn_create_legend(wks_ps,2,(/"pt_0_","pt_zp_"/),lgres)
1200
1201	amres = True
1202	amres@amParallelPosF = 0.6
1203	amres@amOrthogonalPosF = -0.2
1204	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1205	end if
1206
1207	if(vNam(varn) .NE. "pt_zp_" .AND. vNam(varn) .NE. "pt(zp)" .AND. \
1208	vNam(varn) .NE. "pt_0_" .AND. vNam(varn) .NE. "pt(0)" .AND. \
1209	vNam(varn) .NE. "wpt" .AND. vNam(varn) .NE. "wpptp" .AND. \
1210	vNam(varn) .NE. "w"+dq+"pt"+dq .AND. \
1211	vNam(varn) .NE. "wpptp0" .AND. \
1212	vNam(varn) .NE. "w"+dq+"pt"+dq+"0" .AND. \
1213	vNam(varn) .NE. "z_i_pt" .AND. \
1214	vNam(varn) .NE. "z_i_wpt" .AND. vNam(varn) .NE. "wmax" .AND. \
1215	vNam(varn) .NE. "vmax" .AND. vNam(varn) .NE. "umax" .AND. \
1216	vNam(varn) .NE. "ws" .AND. vNam(varn) .NE. "w*" .AND. \
1217	vNam(varn) .NE. "us" .AND. vNam(varn) .NE. "u*" .AND. \
1218	vNam(varn) .NE. "Es" .AND. vNam(varn) .NE. "E*" .AND. \
1219	vNam(varn) .NE. "E") then
1220
1221	n=n+1
1222	res@xyLineColors = (/237/)
1223	res@xyLabelMode = False
1224	res@gsnLeftString = vNam(varn)
1225	res@gsnRightString = unit(varn)
1226	res@trYMaxF = max(data(varn,:))
1227	res@trYMinF = min(data(varn,:))
1228	if (min(data(varn,:)) .EQ. max(data(varn,:))) then
1229	if (min(data(varn,:)) .EQ. 0)then
1230	res@trYMaxF = max(data(varn,:))-0.1
1231	res@trYMinF = min(data(varn,:))+0.1
1232	end if
1233	if (min(data(varn,:)) .LT. 0)then
1234	res@trYMaxF = max(data(varn,:))+(min(data(varn,:)))/2
1235	res@trYMinF = min(data(varn,:))-(max(data(varn,:)))/2
1236	end if
1237	if (min(data(varn,:)) .GT. 0)then
1238	res@trYMaxF = max(data(varn,:))-(min(data(varn,:)))/2
1239	res@trYMinF = min(data(varn,:))+(max(data(varn,:)))/2
1240	end if
1241	end if
1242	plot_ps(n) = gsn_csm_xy(wks_ps,t,data(varn,:),res)
1243	end if
1244
1245	; ***************************************************
1246	; transparent legend as placeholder for single plots
1247	; ***************************************************
1248	lgresmono = True
1249	lgMonoDashIndex = False
1250	lgresmono@lgMonoLineColor = True
1251	lgresmono@lgLabelFont = "helvetica"
1252	lgresmono@lgLabelFontHeightF = .1
1253	lgresmono@vpWidthF = 0.4
1254	lgresmono@vpHeightF = 0.4
1255	lgresmono@lgLineColor = 0
1256	lgresmono@lgPerimOn = False
1257	lbid = gsn_create_legend(wks_ps,1,(/""/),lgresmono)
1258
1259	amres = True
1260	amres@amParallelPosF = 0.6
1261	amres@amOrthogonalPosF = -0.2
1262	annoid1 = gsn_add_annotation(plot_ps(n),lbid,amres)
1263
1264	else
1265
1266	print("plot of " + vNam(varn))
1267
1268	n=n+1
1269	res@xyLineColors = (/237/)
1270	res@gsnLeftString = vNam(varn)
1271	res@gsnRightString = unit(varn)
1272
1273	if (norm_t .NE. 1.)then
1274	res@tiXAxisString = "t ("+unit_t+")"
1275	else
1276	res@tiXAxisString = "t (s)"
1277	end if
1278	res@tiYAxisString = " "
1279	res@tiXAxisFontHeightF = font_size
1280	res@txFontHeightF = font_size
1281	res@tiYAxisFontHeightF = font_size
1282	res@tmXBLabelFontHeightF = font_size
1283	res@tmYLLabelFontHeightF = font_size
1284	res@trYMaxF = max(data(varn,:))
1285	res@trYMinF = min(data(varn,:))
1286	if (min(data(varn,:)) .EQ. max(data(varn,:))) then
1287	if (min(data(varn,:)) .EQ. 0)then
1288	res@trYMaxF = max(data(varn,:))-0.1
1289	res@trYMinF = min(data(varn,:))+0.1
1290	end if
1291	if (min(data(varn,:)) .LT. 0)then
1292	res@trYMaxF = max(data(varn,:))+(min(data(varn,:)))/2
1293	res@trYMinF = min(data(varn,:))-(max(data(varn,:)))/2
1294	end if
1295	if (min(data(varn,:)) .GT. 0)then
1296	res@trYMaxF = max(data(varn,:))-(min(data(varn,:)))/2
1297	res@trYMinF = min(data(varn,:))+(max(data(varn,:)))/2
1298	end if
1299	end if
1300	plot_ps(n) = gsn_csm_xy(wks_ps,t,data(varn,:),res)
1301
1302	end if
1303	end if
1304	end do
1305
1306	; ***************************************************
1307	; merge plots onto one page
1308	; ***************************************************
1309
1310	no_frames = 0
1311
1312	if ((format_out .EQ. "eps" .OR. format_out .EQ. "epsi") .AND. \
1313	n .gt. no_rows*no_columns) then
1314	gsn_panel(wks_ps,plot_ps(1:n),(/n,1/),resP)
1315	print(" ")
1316	print("Outputs to .eps or .epsi have only one frame")
1317	print(" ")
1318	else
1319	do np = 1,n,no_rows*no_columns
1320	if ( np + no_rows*no_columns .gt. n) then
1321	gsn_panel(wks_ps, plot_ps(np:n),(/no_rows,no_columns/),resP)
1322	no_frames = no_frames + 1
1323	else
1324	gsn_panel(wks_ps, plot_ps(np:np+no_rows*no_columns-1),\
1325	(/no_rows,no_columns/),resP)
1326	no_frames = no_frames + 1
1327	end if
1328	end do
1329	end if
1330
1331	if (format_out .EQ. "png" ) then
1332	png_output = new((/no_frames/), string)
1333	j = 0
1334	do i=0, no_frames-1
1335	j = i + 1
1336	if (j .LE. 9) then
1337	png_output(i) = file_out+".00000"+j+".png"
1338	end if
1339	if (j .GT. 9 .AND. j .LE. 99) then
1340	png_output(i) = file_out+".0000"+j+".png"
1341	end if
1342	if (j .GT. 99 .AND. j .LE. 999) then
1343	png_output(i) = file_out+".000"+j+".png"
1344	end if
1345	if (j .GT. 999) then
1346	png_output(i) = file_out+".00"+j+".png"
1347	end if
1348
1349	;using imagemagick's convert for reducing the white
1350	;space around the plot
1351	cmd = "convert -geometry 1000x1000 -density 300 -trim " + \
1352	png_output(i) + " " + png_output(i)
1353	system(cmd)
1354	end do
1355
1356	print(" ")
1357	print("Output to: "+ png_output)
1358	print(" ")
1359	else
1360	print(" ")
1361	print("Output to: " + file_out +"."+ format_out)
1362	print(" ")
1363	end if
1364
1365
1366	end

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