forked from idl-coyote/coyote
-
Notifications
You must be signed in to change notification settings - Fork 0
/
cgjulian2date.pro
176 lines (167 loc) · 9.84 KB
/
cgjulian2date.pro
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
; docformat = 'rst'
;
; NAME:
; cgJulian2Date
;
; PURPOSE:
; The purpose of this function is to convert a Julian number into a date string. The format
; of the string is selected with the Format keyword.
;
;******************************************************************************************;
; ;
; Copyright (c) 2013, by Fanning Software Consulting, Inc. All rights reserved. ;
; ;
; Redistribution and use in source and binary forms, with or without ;
; modification, are permitted provided that the following conditions are met: ;
; ;
; * Redistributions of source code must retain the above copyright ;
; notice, this list of conditions and the following disclaimer. ;
; * Redistributions in binary form must reproduce the above copyright ;
; notice, this list of conditions and the following disclaimer in the ;
; documentation and/or other materials provided with the distribution. ;
; * Neither the name of Fanning Software Consulting, Inc. nor the names of its ;
; contributors may be used to endorse or promote products derived from this ;
; software without specific prior written permission. ;
; ;
; THIS SOFTWARE IS PROVIDED BY FANNING SOFTWARE CONSULTING, INC. ''AS IS'' AND ANY ;
; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES ;
; OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT ;
; SHALL FANNING SOFTWARE CONSULTING, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, ;
; INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED ;
; TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; ;
; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ;
; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ;
; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS ;
; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ;
;******************************************************************************************;
;
;+
; The purpose of this function is to convert a Julian number into a date string. The format
; of the string is selected with the `Format` keyword.
;
; :Categories:
; Utilities
;
; :Returns:
; A string or string array of dates corresponding to the Julian number that is input.
;
; :Params:
; jnumber: in, required, type=long
; The Julian number that is to be converted. This may be an array of Julian numbers.
;
; :Keywords:
; format: in, optional, type=integer, default=0
; An integer value that selects the date format.
; Possible values are::
; 0: 09 Jan 1951
; 1: 09 Jan 1951 08:21:10
; 2: 09 Jan 1951 08h 21m 10s
; 3: Jan 9, 1951
; 4: Jan 9, 1951 08:21:10
; 5: Jan 9, 1951 08h 21m 10s
; 6: 09 JAN 1951
; 7: 09 JAN 1951 08:21:10
; 8: 09 JAN 1951 08h 21m 10s
; 9: JAN 9, 1951
; 10: JAN 9, 1951 08:21:10
; 11: JAN 9, 1951 08h 21m 10s
; 12: 09 January 1951
; 13: 09 January 1951 08:21:10
; 14: 09 January 1951 08h 21m 10s
; 15: January 9, 1951
; 16: January 9, 1951 08:21:10
; 17: January 9, 1951 08h 21m 10s
; 18: 01091951
; 19: 09011951
; 20: 19510109
;
; :Examples:
; IDL> jnumber = Julday(8, 9, 1951, 8, 21, 10)
; IDL> Print, cgJulian2Date(jnumber, Format=1)
; 09 Aug 1951 12:00:00
;
; :Author:
; FANNING SOFTWARE CONSULTING::
; David W. Fanning
; 1645 Sheely Drive
; Fort Collins, CO 80526 USA
; Phone: 970-221-0438
; E-mail: [email protected]
; Coyote's Guide to IDL Programming: http://www.idlcoyote.com
;
; :History:
; Change History::
; Written, 9 January 2013 by David W. Fanning.
; Added formats 18 through 20. 1 Feb 2013. DWF.
;
; :Copyright:
; Copyright (c) 2013, Fanning Software Consulting, Inc.
;-
FUNCTION cgJulian2Date, jnumber, FORMAT=format
; Return to caller, on error
On_Error, 2
; Get today's date, if argument is not present.
IF N_Elements(jnumber) EQ 0 THEN jnumber = Systime(/JULIAN)
IF N_Elements(format) EQ 0 THEN format = 0
; Set up an array for storing the time string.
num = N_Elements(jnumber)
timeString = StrArr(num)
; Process the Julian day values.
CalDat, jnumber, month, day, year, hour, minute, second
; Format the values.
CASE format OF
0: date = String(day, Format='(I2.2)') + ' ' + cgMonths(month, /ABBREVIATION) + $
' ' + String(year, Format='(I4)')
1: date = String(day, Format='(I2.2)') + ' ' + cgMonths(month, /ABBREVIATION) + $
' ' + String(year, Format='(I4)') + ' ' + String(hour, Format='(I2.2)') + ':' + $
String(minute, Format='(I2.2)') + ':' + String(second, Format='(I2.2)')
2: date = String(day, Format='(I2.2)') + ' ' + cgMonths(month, /ABBREVIATION) + $
' ' + String(year, Format='(I4)') + ' ' + String(hour, Format='(I2.2)') + 'h ' + $
String(minute, Format='(I2.2)') + 'm ' + String(second, Format='(I2.2)') + 's'
3: date = cgMonths(month, /ABBREVIATION) + ' ' + String(day, Format='(I0.2)') + ', ' + $
String(year, Format='(I4)')
4: date = cgMonths(month, /ABBREVIATION) + ' ' + String(day, Format='(I0.2)') + ', ' + $
String(year, Format='(I4)') + ' ' + String(hour, Format='(I2.2)') + ':' + $
String(minute, Format='(I2.2)') + ':' + String(second, Format='(I2.2)')
5: date = cgMonths(month, /ABBREVIATION) + ' ' + String(day, Format='(I0.2)') + ', ' + $
String(year, Format='(I4)') + ' ' + String(hour, Format='(I2.2)') + 'h ' + $
String(minute, Format='(I2.2)') + 'm ' + String(second, Format='(I2.2)') + 's'
6: date = String(day, Format='(I2.2)') + ' ' + cgMonths(month, /ABBREVIATION, /ALLCAPS) + $
' ' + String(year, Format='(I4)')
7: date = String(day, Format='(I2.2)') + ' ' + cgMonths(month, /ABBREVIATION, /ALLCAPS) + $
' ' + String(year, Format='(I4)') + ' ' + String(hour, Format='(I2.2)') + ':' + $
String(minute, Format='(I2.2)') + ':' + String(second, Format='(I2.2)')
8: date = String(day, Format='(I2.2)') + ' ' + cgMonths(month, /ABBREVIATION, /ALLCAPS) + $
' ' + String(year, Format='(I4)') + ' ' + String(hour, Format='(I2.2)') + 'h ' + $
String(minute, Format='(I2.2)') + 'm ' + String(second, Format='(I2.2)') + 's'
9: date = cgMonths(month, /ABBREVIATION, /ALLCAPS) + ' ' + String(day, Format='(I0.2)') + ', ' + $
String(year, Format='(I4)')
10: date = cgMonths(month, /ABBREVIATION, /ALLCAPS) + ' ' + String(day, Format='(I0.2)') + ', ' + $
String(year, Format='(I4)') + ' ' + String(hour, Format='(I2.2)') + ':' + $
String(minute, Format='(I2.2)') + ':' + String(second, Format='(I2.2)')
11: date = cgMonths(month, /ABBREVIATION, /ALLCAPS) + ' ' + String(day, Format='(I0.2)') + ', ' + $
String(year, Format='(I4)') + ' ' + String(hour, Format='(I2.2)') + 'h ' + $
String(minute, Format='(I2.2)') + 'm ' + String(second, Format='(I2.2)') + 's'
12: date = String(day, Format='(I2.2)') + ' ' + cgMonths(month) + $
' ' + String(year, Format='(I4)')
13: date = String(day, Format='(I2.2)') + ' ' + cgMonths(month) + $
' ' + String(year, Format='(I4)') + ' ' + String(hour, Format='(I2.2)') + ':' + $
String(minute, Format='(I2.2)') + ':' + String(second, Format='(I2.2)')
14: date = String(day, Format='(I2.2)') + ' ' + cgMonths(month) + $
' ' + String(year, Format='(I4)') + ' ' + String(hour, Format='(I2.2)') + 'h ' + $
String(minute, Format='(I2.2)') + 'm ' + String(second, Format='(I2.2)') + 's'
15: date = cgMonths(month) + ' ' + String(day, Format='(I0.2)') + ', ' + $
String(year, Format='(I4)')
16: date = cgMonths(month) + ' ' + String(day, Format='(I0.2)') + ', ' + $
String(year, Format='(I4)') + ' ' + String(hour, Format='(I2.2)') + ':' + $
String(minute, Format='(I2.2)') + ':' + String(second, Format='(I2.2)')
17: date = cgMonths(month) + ' ' + String(day, Format='(I0.2)') + ', ' + $
String(year, Format='(I4)') + ' ' + String(hour, Format='(I2.2)') + 'h ' + $
String(minute, Format='(I2.2)') + 'm ' + String(second, Format='(I2.2)') + 's'
18: date = String(day, Format='(I2.2)') + String(month, Format='(I2.2)') + String(year, Format='(I4)')
19: date = String(month, Format='(I2.2)') + String(day, Format='(I2.2)') + String(year, Format='(I4)')
20: date = String(year, Format='(I4)') + String(month, Format='(I2.2)') + String(day, Format='(I2.2)')
ENDCASE
; Make sure you return a scalar, if needed.
IF num EQ 1 THEN RETURN, date[0] ELSE RETURN, date
END