[2] | 1 | ;+ |
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| 2 | ; |
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[142] | 3 | ; @file_comments |
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| 4 | ; Manage axes for the different drawings created by plt, |
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| 5 | ; pltz and pltt |
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[2] | 6 | ; |
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[226] | 7 | ; @categories |
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[157] | 8 | ; Graphics |
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[2] | 9 | ; |
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[163] | 10 | ; @param COUPE {type=string} |
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[226] | 11 | ; It designate the type of cut to which the axes we create |
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[142] | 12 | ; must report. For example: 'xy','xt'... |
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[2] | 13 | ; |
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[142] | 14 | ; @param TEMPSMIN {in}{required} |
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[226] | 15 | ; In the case where we do cut containing the time dimension, we have |
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[142] | 16 | ; to specify the beginning of the time's axis in julian days. |
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[2] | 17 | ; |
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[142] | 18 | ; @param TEMPSMAX {in}{required} |
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[226] | 19 | ; In the case where we do cut containing the time dimension, we have |
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[142] | 20 | ; to specify the end of the time's axis in julian days. |
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[2] | 21 | ; |
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[226] | 22 | ; @keyword SIN |
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[142] | 23 | ; activated when we trace in sinus of the latitude |
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[2] | 24 | ; |
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[163] | 25 | ; @keyword SEPDATE {type=string} |
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[226] | 26 | ; It separate the different constituents of the date. By default, |
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| 27 | ; it is a return to the line when we do a 'yt', 'zt' or a 't'. |
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| 28 | ; In the other cases, it is a blank. |
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[2] | 29 | ; |
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[142] | 30 | ; @keyword DIGITSYEAR |
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| 31 | ; =2 to use %Z format (2 digits) to code years |
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| 32 | ; instead of %Y format. See help of label_date for more |
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[163] | 33 | ; information on %Z and %Y. |
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[42] | 34 | ; |
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[226] | 35 | ; @keyword _EXTRA |
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[231] | 36 | ; Used to pass keywords |
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[226] | 37 | ; |
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[142] | 38 | ; @uses |
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| 39 | ; common.pro |
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[2] | 40 | ; |
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[142] | 41 | ; @restrictions |
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| 42 | ; It modify !x. and !y. |
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[2] | 43 | ; |
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[142] | 44 | ; @history |
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[157] | 45 | ; Sebastien Masson (smasson\@lodyc.jussieu.fr) |
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[2] | 46 | ; 11/12/98 |
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| 47 | ; Eric Guilyardi types x,y,z + amelioration de |
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| 48 | ; l''axe temporel |
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[142] | 49 | ; |
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| 50 | ; @version |
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| 51 | ; $Id$ |
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| 52 | ; |
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[2] | 53 | ;- |
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[231] | 54 | ; |
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[262] | 55 | PRO axe, coupe, tempsmin, tempsmax, REVERSE_X = reverse_x, REVERSE_Y = reverse_y, SIN = sin, SEPDATE = sepdate, DIGITSYEAR = digitsyear, _EXTRA = ex |
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[114] | 56 | ; |
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| 57 | compile_opt idl2, strictarrsubs |
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| 58 | ; |
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[2] | 59 | @common |
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| 60 | tempsun = systime(1) ; pour key_performance |
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| 61 | ;-------------------------------------------------------------- |
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[226] | 62 | ; Management of ticks of the time axis in the case of TEMPSMIN |
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| 63 | ; and TEMPSMAX are defined |
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[2] | 64 | ;-------------------------------------------------------------- |
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| 65 | divday = 0 |
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| 66 | if n_params() EQ 3 then BEGIN |
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| 67 | ; |
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| 68 | if keyword_set(sepdate) then sep = sepdate ELSE $ |
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| 69 | if coupe EQ 'yt' OR coupe EQ 'zt' OR coupe EQ 't' then sep = '!C' ELSE sep = ' ' |
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| 70 | ; |
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[205] | 71 | caldat, tempsmin, mmin, dmin, ymin, hmin, mnmin, smin, _EXTRA = ex |
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| 72 | caldat, tempsmax, mmax, dmax, ymax, hmax, mnmax, smax, _EXTRA = ex |
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[42] | 73 | ; format used for the year (2 or 4/5 digits). |
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| 74 | IF NOT keyword_set(digitsyear) THEN digitsyear = 4 |
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| 75 | IF digitsyear EQ 2 THEN fmtyr = '%Z' ELSE fmtyr = '%Y' |
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| 76 | ; |
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[205] | 77 | CASE 1 OF |
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| 78 | ; yearly base |
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[209] | 79 | ymin NE 0 AND tempsmax GT julday(mmin, dmin, ymin + 3, hmin, mnmin, smin):BEGIN ; more than 3 years |
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[205] | 80 | CASE 1 OF |
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| 81 | ymax-ymin+1 GT 5000: BEGIN & freq = 500. & tminor = 5 & datfmt = fmtyr & end |
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| 82 | ymax-ymin+1 GT 2000: BEGIN & freq = 200. & tminor = 4 & datfmt = fmtyr & end |
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| 83 | ymax-ymin+1 GT 1000: BEGIN & freq = 100. & tminor = 5 & datfmt = fmtyr & end |
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| 84 | ymax-ymin+1 GT 500: BEGIN & freq = 50. & tminor = 5 & datfmt = fmtyr & end |
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| 85 | ymax-ymin+1 GT 200: BEGIN & freq = 20. & tminor = 4 & datfmt = fmtyr & end |
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| 86 | ymax-ymin+1 GT 100: BEGIN & freq = 10. & tminor = 5 & datfmt = fmtyr & end |
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| 87 | ymax-ymin+1 GT 50: BEGIN & freq = 5. & tminor = 5 & datfmt = '%M'+sep+fmtyr & end |
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| 88 | ymax-ymin+1 GT 20: BEGIN & freq = 4. & tminor = 4 & datfmt = '%M'+sep+fmtyr & end |
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| 89 | ymax-ymin+1 GT 10: BEGIN & freq = 2. & tminor = 4 & datfmt = '%M'+sep+fmtyr & end |
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| 90 | ELSE: BEGIN & freq = 1. & tminor = 4 & datfmt = '%M'+sep+fmtyr & end |
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[226] | 91 | ENDCASE |
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[205] | 92 | nticks = ceil((ymax-ymin)/freq) + 2 |
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[2] | 93 | yminf = (floor(ymin/freq))*freq |
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[205] | 94 | ticknom = lonarr(nticks) |
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| 95 | for y = 0, nticks-1 do ticknom[y] = julday(1, 1, yminf + y*freq, _EXTRA = ex) |
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| 96 | ticknom = ticknom[where(ticknom GE tempsmin AND ticknom LE tempsmax, nticks)] |
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| 97 | END |
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| 98 | ; monthly base |
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| 99 | tempsmax GT julday(mmin + 3, dmin, ymin, hmin, mnmin, smin):BEGIN ; more than 3 months |
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| 100 | CASE 1 OF |
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| 101 | tempsmax GT julday(mmin + 30, dmin, ymin, hmin, mnmin, smin):BEGIN ; more than 30 months -> ticks every 3 months |
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| 102 | freq = 3. & tminor = 3 & END |
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| 103 | tempsmax GT julday(mmin + 16, dmin, ymin, hmin, mnmin, smin):BEGIN ; more than 16 months -> ticks every 2 months |
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| 104 | freq = 2. & tminor = 2 & END |
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| 105 | else:BEGIN ; monthly ticks |
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| 106 | freq = 1. & tminor = 6 & END |
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| 107 | ENDCASE |
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| 108 | nticks = ceil((mmax + 12*(ymax - ymin) - mmin)/freq) + 2 |
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| 109 | mminf = 1 > ((floor(mmin/freq))*freq) |
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| 110 | ticknom = lonarr(nticks) |
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| 111 | for m = 0, nticks-1 do ticknom[m] = julday(mminf + freq*m, 1, ymin, _EXTRA = ex) |
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| 112 | datfmt = '%M'+sep+fmtyr |
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| 113 | ticknom = ticknom[where(ticknom GE tempsmin AND ticknom LE tempsmax, nticks)] |
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| 114 | END |
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| 115 | ; daily base |
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| 116 | tempsmax GT julday(mmin, dmin + 3, ymin, hmin, mnmin, smin):BEGIN ; more than 3 days |
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| 117 | CASE 1 OF |
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| 118 | tempsmax GT julday(mmin, dmin + 60, ymin, hmin, mnmin, smin):BEGIN ; more than 60 days -> ticks every 7 days |
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| 119 | freq = 7. & tminor = 2 & END |
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| 120 | tempsmax GT julday(mmin, dmin + 30, ymin, hmin, mnmin, smin):BEGIN ; more than 30 days -> ticks every 5 days |
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| 121 | freq = 5. & tminor = 5 & END |
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| 122 | tempsmax GT julday(mmin, dmin + 16, ymin, hmin, mnmin, smin):BEGIN ; more than 16 days -> ticks every 2 days |
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| 123 | freq = 2. & tminor = 2 & END |
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| 124 | ELSE:BEGIN ; daily ticks |
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| 125 | freq = 1. & tminor = 2 & END |
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| 126 | ENDCASE |
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| 127 | nticks = ceil((tempsmax - tempsmin)/freq) + 2 |
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| 128 | dminf = 1 > ((floor(dmin/freq))*freq) |
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| 129 | ticknom = lonarr(nticks) |
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| 130 | for d = 0, nticks-1 do ticknom[d] = julday(mmin, dminf + freq*d, ymin, _EXTRA = ex) |
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| 131 | datfmt = '%D'+sep+'%M' |
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| 132 | ticknom = ticknom[where(ticknom GE tempsmin AND ticknom LE tempsmax, nticks)] |
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| 133 | END |
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| 134 | ; hourly base |
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| 135 | tempsmax GT julday(mmin, dmin, ymin, hmin + 3, mnmin, smin):BEGIN ; more than 3 hours |
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| 136 | CASE 1 OF |
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| 137 | tempsmax GT julday(mmin, dmin, ymin, hmin + 48, mnmin, smin):BEGIN ; more than 48 hours -> ticks every 6 hours |
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| 138 | freq = 6. & tminor = 3 & datfmt = '%D'+sep+'%H:00' & END |
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| 139 | tempsmax GT julday(mmin, dmin, ymin, hmin + 30, mnmin, smin):BEGIN ; more than 30 hours -> ticks every 4 hours |
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| 140 | freq = 4. & tminor = 2 & datfmt = '%D'+sep+'%H:00' & END |
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| 141 | tempsmax GT julday(mmin, dmin, ymin, hmin + 16, mnmin, smin):BEGIN ; more than 16 hours -> ticks every 2 hours |
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| 142 | freq = 2. & tminor = 2 & datfmt = '%H:00' & END |
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| 143 | ELSE:BEGIN ; ticks every hour |
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| 144 | freq = 1. & tminor = 2 & datfmt = '%H:00' & END |
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| 145 | ENDCASE |
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| 146 | nticks = ceil((hmax + 24*(dmax - dmin) - hmin)/freq) + 2 |
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| 147 | hminf = (floor(hmin/freq))*freq |
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| 148 | ticknom = dblarr(nticks) |
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| 149 | for h = 0, nticks-1 do ticknom[h] = julday(mmin, dmin, ymin, hminf + freq*h, 0, 0, _EXTRA = ex) |
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| 150 | ticknom = ticknom[where(ticknom GE tempsmin AND ticknom LE tempsmax, nticks)] |
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| 151 | END |
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| 152 | ; minute base |
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| 153 | tempsmax GT julday(mmin, dmin, ymin, hmin, mnmin + 3, smin):BEGIN ; more than 3 minutes |
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| 154 | CASE 1 OF |
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| 155 | tempsmax GT julday(mmin, dmin, ymin, hmin, mnmin + 120, smin):BEGIN ; more than 120 minutes -> ticks every 10 minutes |
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| 156 | freq = 10. & tminor = 2 & END |
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| 157 | tempsmax GT julday(mmin, dmin, ymin, hmin, mnmin + 60, smin):BEGIN ; more than 60 minutes -> ticks every 6 minutes |
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| 158 | freq = 6. & tminor = 3 & END |
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| 159 | tempsmax GT julday(mmin, dmin, ymin, hmin, mnmin + 30, smin):BEGIN ; more than 30 minutes -> ticks every 4 minutes |
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| 160 | freq = 4. & tminor = 2 & END |
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| 161 | tempsmax GT julday(mmin, dmin, ymin, hmin, mnmin + 15, smin):BEGIN ; more than 15 minutes -> ticks every 2 minutes |
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| 162 | freq = 2. & tminor = 2 & END |
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| 163 | ELSE:BEGIN ; ticks every minutes |
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| 164 | freq = 1. & tminor = 2 & END |
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| 165 | ENDCASE |
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| 166 | nticks = ceil((mnmax + 60*(hmax - hmin) - mnmin)/freq) + 2 |
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| 167 | mnminf = (floor(mnmin/freq))*freq |
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| 168 | ticknom = dblarr(nticks) |
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| 169 | for mn = 0, nticks-1 do ticknom[mn] = julday(mmin, dmin, ymin, hmin, mnminf + freq*mn, 0, _EXTRA = ex) |
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| 170 | ticknom = ticknom[where(ticknom GE tempsmin AND ticknom LE tempsmax, nticks)] |
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[226] | 171 | datfmt = '%H:%I' |
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[205] | 172 | END |
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| 173 | ; second base |
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| 174 | ELSE:BEGIN ; less than 3 minutes |
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| 175 | CASE 1 OF |
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| 176 | tempsmax GT julday(mmin, dmin, ymin, hmin, mnmin, smin + 120):BEGIN ; more than 120 seconds -> ticks every 20 seconds |
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| 177 | freq = 20. & tminor = 2 & datfmt = '%H:%I:%S' & END |
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| 178 | tempsmax GT julday(mmin, dmin, ymin, hmin, mnmin, smin + 60):BEGIN ; more than 60 seconds -> ticks every 15 seconds |
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| 179 | freq = 15. & tminor = 3 & datfmt = '%H:%I:%S' & END |
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| 180 | tempsmax GT julday(mmin, dmin, ymin, hmin, mnmin, smin + 30):BEGIN ; more than 30 seconds -> ticks every 10 seconds |
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| 181 | freq = 10. & tminor = 2 & datfmt = '%H:%I:%S' & END |
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| 182 | tempsmax GT julday(mmin, dmin, ymin, hmin, mnmin, smin + 15):BEGIN ; more than 15 seconds -> ticks every 4 seconds |
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| 183 | freq = 4. & tminor = 4 & datfmt = '%H:%I:%S' & END |
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| 184 | tempsmax GT julday(mmin, dmin, ymin, hmin, mnmin, smin + 7):BEGIN ; more than 7 seconds -> ticks every 2 seconds |
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| 185 | freq = 2. & tminor = 2 & datfmt = '%H:%I:%S' & END |
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| 186 | ELSE:BEGIN ; ticks every minutes |
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| 187 | freq = 1. & tminor = 2 & datfmt = '%H:%I:%S' & END |
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| 188 | ENDCASE |
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| 189 | nticks = ceil((smax + 60*(mnmax - mnmin) - smin)/freq) + 2 |
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| 190 | sminf = (floor(smin/freq))*freq |
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| 191 | ticknom = dblarr(nticks) |
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| 192 | for s = 0, nticks-1 do ticknom[s] = julday(mmin, dmin, ymin, hmin, mnmin, sminf + freq*s, _EXTRA = ex) |
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| 193 | ticknom = ticknom[where(ticknom GE tempsmin AND ticknom LE tempsmax, nticks)] |
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| 194 | END |
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| 195 | ENDCASE |
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| 196 | dummy = label_date(0, 0, 0, DATE_FORMAT = datfmt, _EXTRA = ex) |
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[2] | 197 | if chkstru(ex, 'DATE_FORMAT') then ex.DATE_FORMAT = '' |
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[226] | 198 | ENDIF |
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[2] | 199 | ;-------------------------------------------------------------- |
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[142] | 200 | ; Definition of axes parameters case by case |
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[2] | 201 | ;-------------------------------------------------------------- |
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| 202 | case coupe of |
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[226] | 203 | 'pltv':BEGIN |
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[152] | 204 | dtasize = tempsmin |
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| 205 | !x.range = [-0.5, dtasize[0] - 0.5] |
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[226] | 206 | !y.range = [-0.5, dtasize[1] - 0.5] |
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[152] | 207 | if keyword_set(reverse_x) then !x.range=reverse(!x.range) |
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| 208 | if keyword_set(reverse_y) then !y.range=reverse(!y.range) |
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| 209 | !x.title = 'nx' |
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| 210 | !y.title = 'ny' |
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| 211 | END |
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[226] | 212 | 'xy':BEGIN |
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[2] | 213 | if keyword_set(reverse_x) then !x.range=[lon2,lon1] ELSE !x.range=[lon1,lon2] |
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| 214 | if keyword_set(reverse_y) then !y.range=[lat2,lat1] ELSE !y.range=[lat1,lat2] |
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[42] | 215 | IF key_onearth THEN !x.tickformat='lonaxe' |
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| 216 | IF key_onearth THEN !y.tickformat='lataxe' |
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[2] | 217 | END |
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[226] | 218 | 'yz':BEGIN |
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[2] | 219 | if keyword_set(reverse_x) then !x.range=[lat2,lat1] ELSE !x.range=[lat1,lat2] |
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| 220 | if keyword_set(reverse_y) then !y.range=[0, -1] ELSE !y.range = [-1, 0] |
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| 221 | if keyword_set(sin) then BEGIN |
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[142] | 222 | ; number of ticks by default |
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[2] | 223 | plot, [0], [0], /noerase, /nodata, xtick_get = xaxe |
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[226] | 224 | ; We increase this number to it be around 10 |
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[2] | 225 | ticks = n_elements(xaxe)-1 |
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| 226 | ticks = ticks*[1, 2, 4, 8] |
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| 227 | ticks = ticks[(sort(abs(ticks-10)))[0]] |
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[142] | 228 | ; We recuperate the x axis for this new number of ticks |
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[2] | 229 | plot, [0], [0],xticks = ticks, /noerase, /nodata, xtick_get = xaxe |
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| 230 | !x.ticks = ticks |
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| 231 | !x.tickv = sin(!pi/180.*xaxe) |
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| 232 | tickname = strarr(ticks+1) |
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| 233 | for i = 0,ticks do tickname[i] = lataxe(0, 0, xaxe[i]) |
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| 234 | !x.tickname = tickname |
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| 235 | !x.range = sin(!pi/180.*!x.range) |
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| 236 | endif |
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| 237 | end |
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[226] | 238 | 'xz':BEGIN |
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[2] | 239 | if keyword_set(reverse_x) then !x.range=[lon2,lon1] ELSE !x.range=[lon1,lon2] |
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| 240 | if keyword_set(reverse_y) then !y.range=[0, -1] ELSE !y.range = [-1, 0] |
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| 241 | end |
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| 242 | 'xt' : begin |
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| 243 | if keyword_set(reverse_x) then !x.range = [lon2,lon1] ELSE !x.range=[lon1,lon2] |
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| 244 | if keyword_set(reverse_y) then !y.range=[tempsmax, tempsmin]-tempsmin $ |
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| 245 | ELSE !y.range=[tempsmin,tempsmax]-tempsmin |
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[42] | 246 | IF key_onearth THEN !x.tickformat='lonaxe' |
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| 247 | ; result = LABEL_DATE(DATE_FORMAT = '%M'+sep+fmtyr) |
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[2] | 248 | ; !y.tickformat='LABEL_DATE' |
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[226] | 249 | !y.tickname = LABEL_DATE(1, 0,ticknom,_EXTRA = ex) |
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[2] | 250 | !y.ticklen=1. |
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| 251 | !y.gridstyle=2 |
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| 252 | !y.ticks=nticks-1 |
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| 253 | !y.tickv=ticknom-tempsmin |
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| 254 | !y.minor=tminor |
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| 255 | IF divday GT 0 THEN !y.title = 'Time from '+strtrim(dmin,1)+' ' $ |
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| 256 | +def_month('1m', strtrim(mmin, 1))+' '+strtrim(ymin,1) |
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| 257 | end |
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| 258 | 'yt' : begin |
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| 259 | if keyword_set(reverse_x) then !x.range = [tempsmax,tempsmin]-tempsmin $ |
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| 260 | ELSE !x.range=[tempsmin,tempsmax]-tempsmin |
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| 261 | if keyword_set(reverse_y) then !y.range=[lat2, lat1] ELSE !y.range=[lat1,lat2] |
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[42] | 262 | IF key_onearth THEN !y.tickformat='lataxe' |
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[226] | 263 | !x.tickname = LABEL_DATE(0, 0,ticknom,_EXTRA = ex) |
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[2] | 264 | !x.ticklen=1. |
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| 265 | !x.gridstyle=2 |
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| 266 | !x.ticks=nticks-1 |
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| 267 | !x.tickv=ticknom-tempsmin |
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| 268 | !x.minor=tminor |
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| 269 | IF divday GT 0 THEN !y.title = 'Time from '+strtrim(dmin,1)+' ' $ |
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| 270 | +def_month('1m', strtrim(mmin, 1))+' '+strtrim(ymin,1) |
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| 271 | end |
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| 272 | 'zt' : begin |
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| 273 | if keyword_set(reverse_x) then !x.range = [tempsmax,tempsmin]-tempsmin $ |
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| 274 | ELSE !x.range=[tempsmin,tempsmax]-tempsmin |
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[226] | 275 | if vargrid EQ 'W' then gdep=gdepw[0:nzw-1] ELSE gdep=gdept[0:nzt-1] |
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| 276 | !x.tickname = LABEL_DATE(0, 0,ticknom,_EXTRA = ex) |
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[2] | 277 | !x.ticklen=1. |
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| 278 | !x.gridstyle=2 |
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| 279 | !x.ticks=nticks-1 |
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| 280 | !x.tickv=ticknom-tempsmin |
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| 281 | !x.minor=tminor |
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| 282 | IF divday GT 0 THEN !y.title = 'Time from '+strtrim(dmin,1)+' ' $ |
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| 283 | +def_month('1m', strtrim(mmin, 1))+' '+strtrim(ymin,1) |
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| 284 | end |
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| 285 | 't' : BEGIN |
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| 286 | if keyword_set(reverse_x) then !x.range = [tempsmax,tempsmin]-tempsmin $ |
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| 287 | ELSE !x.range=[tempsmin,tempsmax]-tempsmin |
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[226] | 288 | !x.tickname = LABEL_DATE(0, 0,ticknom,_EXTRA = ex) |
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[2] | 289 | !x.ticklen=1. |
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| 290 | !x.gridstyle=2 |
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| 291 | !x.ticks=nticks-1 |
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| 292 | !x.tickv=ticknom-tempsmin |
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| 293 | !x.minor=tminor |
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| 294 | IF divday GT 0 THEN !y.title = 'Time from '+strtrim(dmin,1)+' ' $ |
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| 295 | +def_month('1m', strtrim(mmin, 1))+' '+strtrim(ymin,1) |
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| 296 | end |
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| 297 | 'x' : begin |
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| 298 | !x.range=[lon1,lon2] |
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[42] | 299 | IF key_onearth THEN !x.tickformat='lonaxe' |
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[2] | 300 | END |
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| 301 | 'y' : begin |
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| 302 | if keyword_set(sin) then BEGIN |
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[142] | 303 | ; Number of ticks by default |
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[2] | 304 | plot, [0], [0], /nodata, /noerase, xstyle = 5, ystyle = 5, xtick_get = xaxe |
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[226] | 305 | ; We increase this number to it be around 10 |
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[2] | 306 | ticks = n_elements(xaxe)-1 |
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| 307 | ticks = ticks*[1, 2, 4, 8] |
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| 308 | ticks = ticks[(sort(abs(ticks-10)))[0]] |
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[142] | 309 | ; We recuperate the x axis for this new number of ticks |
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[2] | 310 | plot, [0], [0],xticks = ticks,/nodata,/noerase,xstyle=5,ystyle=5,xtick_get=xaxe |
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| 311 | !x.ticks = ticks |
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| 312 | !x.tickv = sin(!pi/180.*xaxe) |
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| 313 | tickname = strarr(ticks+1) |
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| 314 | for i = 0,ticks do tickname[i] = lataxe(0, 0, xaxe[i]) |
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| 315 | !x.tickname = tickname |
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| 316 | !x.range = sin(!pi/180.*!x.range) |
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| 317 | ENDIF ELSE !x.range=[lat1,lat2] |
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[42] | 318 | IF key_onearth THEN !x.tickformat='lataxe' |
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[2] | 319 | END |
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| 320 | 'z' : begin |
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[226] | 321 | ; if vargrid EQ 'W' then gdep=gdepw[0:nzw-1] ELSE gdep=gdept[0:nzt-1] |
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[2] | 322 | ; if keyword_set(reverse_y) then !y.range=[gdep[0], gdep[n_elements(gdep)-1]] $ |
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| 323 | ; ELSE !y.range=[gdep[n_elements(gdep)-1], gdep[0]] |
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[226] | 324 | END |
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[2] | 325 | endcase |
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[226] | 326 | if keyword_set(key_performance) THEN print, 'temps axe', systime(1)-tempsun |
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[2] | 327 | return |
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| 328 | end |
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