1 | ;================================================; |
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2 | ; Example ncl script to produce the set of |
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3 | ; lat-lon plots for DCMIP-2016 test case 1 |
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4 | ; Created by James Kent, Christiane Jablonowski |
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5 | ; and Paul Ullrich (University of Michigan) for DCMIP-2012 |
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6 | ; |
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7 | ; Modified by Colin Zarzycki for DCMIP-2016 |
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8 | ; |
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9 | ; Modified by Kevin Viner for terminator ouput |
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10 | ; Further modified by Maximo Menchaca for creating gifs |
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11 | ; |
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12 | ; v1.01 - 6/7/16 |
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13 | ; v1.02 - 6/8/16 - Typo in var_choice options |
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14 | ;================================================; |
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15 | load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl" |
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16 | load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl" |
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17 | load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl" |
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18 | load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/shea_util.ncl" |
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19 | ; ================================================; |
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20 | |
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21 | begin |
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22 | |
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23 | ;=================================================; |
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24 | ; open file and read in data |
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25 | ; GIVEN AS (time,lev,lat,lon) from 0 to n-1 |
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26 | ;=================================================; |
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27 | |
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28 | ; NOTE, that this file needs to be a catted file including all times at daily interval |
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29 | ; if you are outputting 1 file per time, you can run "ncrcat dcmip1.files.*.nc cat.nc" |
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30 | ; for one file |
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31 | |
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32 | f = addfile("output_dcmip2016_regular.nc","r") |
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33 | |
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34 | use_pdf = False |
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35 | |
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36 | ; Input useful parameters |
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37 | |
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38 | lat = f->lat |
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39 | lon = f->lon |
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40 | lev = f->lev |
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41 | nlat = getfilevardimsizes(f, "lat" ) |
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42 | nlon = getfilevardimsizes(f, "lon" ) |
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43 | nlev = getfilevardimsizes(f, "lev" ) |
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44 | |
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45 | ; We want plots of temperature, vertical velocity and relative vorticity |
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46 | ; at the 850 hPa level. We also want surface pressure. |
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47 | |
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48 | ; Select var_choice 1 - average integrated atomic Cl |
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49 | ; 2 - average integrated diatomic Cl |
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50 | ; 3 - average integrated Cly |
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51 | do var_choice = 1,3 |
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52 | |
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53 | if (var_choice .eq. 1) then ; Select Cl |
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54 | filename_string = "DYNAMICO-case161latlonQ1int" ; output using X11 |
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55 | else if (var_choice .eq. 2) then ; Select Cl2 |
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56 | filename_string = "DYNAMICO-case161latlonQ2int" ; output using png |
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57 | else if (var_choice .eq. 3) then ; Select Cly |
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58 | filename_string = "DYNAMICO-case161latlonQtot_int" |
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59 | end if |
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60 | end if |
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61 | end if |
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62 | |
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63 | if(use_pdf) then |
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64 | wks = gsn_open_wks("pdf",filename_string) ; output using X11 |
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65 | else |
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66 | wks = gsn_open_wks("png",filename_string) ; output using png |
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67 | end if |
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68 | |
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69 | ; We want the output at days 6, 9, 12 and 15. If your model |
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70 | ; output is in 6 hourly intervals this becomes indices 24, 36, 48 and 60 |
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71 | |
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72 | output_per_day=8 ; 3-hourly outputs |
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73 | do d = 1,30*output_per_day, (output_per_day/4) |
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74 | day_curr = d/output_per_day |
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75 | |
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76 | varload1 = f->Q1_col_int |
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77 | varload2 = f->Q2_col_int |
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78 | if (var_choice .eq. 1) then ; Select Cl |
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79 | var1 = varload1(d,:,:)/4e-6 |
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80 | filename_string = "DYNAMICO-case161latlonQ1int" ; output using X11 |
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81 | else if (var_choice .eq. 2) then ; Select Cl2 |
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82 | var1 = varload2(d,:,:)/4e-6 |
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83 | filename_string = "DYNAMICO-case161latlonQ2int" ; output using png |
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84 | else if (var_choice .eq. 3) then ; Select Cly |
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85 | var1 = (varload1(d,:,:)+2*varload2(d,:,:))/4e-6 ; should equal 1. |
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86 | print("Max Cly error :") |
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87 | print(max(abs(var1-1.))) |
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88 | var1 = 1e5*abs(var1-1.) |
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89 | filename_string = "DYNAMICO-case161latlonQtot_int" |
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90 | end if |
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91 | end if |
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92 | end if |
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93 | |
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94 | |
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95 | var1@long_name = " " |
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96 | ; var2@long_name = " " |
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97 | ; var3@long_name = " " |
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98 | ; var4@long_name = " " |
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99 | |
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100 | ; Delete loaded data |
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101 | |
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102 | ; delete(varload) |
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103 | |
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104 | ; We now produce the plot |
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105 | |
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106 | ; plot = new (4, graphic) ; define plot - need 4 panels |
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107 | |
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108 | res1 = True |
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109 | res1@gsnDraw = False ; panel plot |
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110 | res1@gsnFrame = False ; don't draw yet |
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111 | res1@cnFillOn = True |
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112 | res1@cnLinesOn = True |
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113 | res1@gsnSpreadColors = True |
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114 | res1@lbLabelAutoStride = True |
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115 | res1@gsnCenterString = "" |
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116 | res1@tiMainString = "" |
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117 | res1@vpWidthF = 0.38 |
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118 | res1@vpHeightF = 0.19 |
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119 | res1@cnLevelSelectionMode = "ManualLevels" |
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120 | res1@cnInfoLabelOn = False ; don't give each |
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121 | res1@cnLineLabelsOn = False ; panel its own |
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122 | res1@lbLabelBarOn = False ; label bar |
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123 | |
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124 | pres = True |
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125 | pres@gsnMaximize = True |
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126 | pres@gsnPanelLabelBar = True ; Communal label bar |
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127 | pres@gsnPanelLeft = 0.1 |
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128 | pres@gsnPanelRight = 0.9 |
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129 | pres@pmLabelBarOrthogonalPosF = -0.03 |
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130 | pres@gsnFrame = False |
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131 | pres@lbLabelStride = 1 |
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132 | |
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133 | res1@sfXArray = lon ; uses lon as plot x-axis |
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134 | res1@sfYArray = lat ; uses lat for y axis |
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135 | res1@trYReverse = False ; reverses y-axis, false |
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136 | res1@tiYAxisString = "" ; y-axis title |
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137 | res1@tiXAxisString = "" ; x-axis title |
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138 | |
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139 | if (var_choice .eq. 1) then ;================ Temperature plot ==================== |
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140 | |
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141 | pltTitle="DYNAMICO Case 161, Integrated Average Cl" ; Plot title if required |
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142 | pres@txString = pltTitle |
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143 | |
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144 | ; Change the output type and name |
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145 | |
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146 | gsn_define_colormap(wks,"gui_default") |
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147 | |
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148 | res1@cnMaxLevelValF = 1.2 ; max contour color label |
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149 | res1@cnMinLevelValF = -0.1 ; min contour color label |
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150 | res1@cnLevelSpacingF = 0.1 ; contour color spacing ; choose a colormap |
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151 | |
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152 | else if (var_choice .eq. 2) then ;================ Large-scale precipitation plot ==================== |
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153 | |
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154 | pltTitle="DYNAMICO Case 161, Integrated Average Cl2" ; Plot title if required |
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155 | pres@txString = pltTitle |
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156 | |
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157 | var1@units = " " |
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158 | ; var2@units = " " |
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159 | ; var3@units = " " |
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160 | ; var4@units = " " |
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161 | |
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162 | res1@cnLinesOn = False ; Turn lines off for clearer plot |
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163 | |
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164 | ; Change the output type and name |
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165 | |
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166 | gsn_define_colormap(wks,"gui_default") |
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167 | |
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168 | ; Note that the maximum might be larger than these contour spacing values |
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169 | |
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170 | res1@cnMaxLevelValF = 0.48 ; max contour color label |
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171 | res1@cnMinLevelValF = -0.04 ; min contour color label |
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172 | res1@cnLevelSpacingF = 0.04 ; contour color spacing ; choose a colormap |
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173 | |
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174 | else if (var_choice .eq. 3) then ;================ Surface Pressure plot ==================== |
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175 | |
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176 | pltTitle="DYNAMICO Case 161, Integrated Average Cly" ; Plot title if required |
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177 | pres@txString = pltTitle |
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178 | |
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179 | |
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180 | var1@units = " " |
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181 | ; var2@units = " " |
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182 | ; var3@units = " " |
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183 | ; var4@units = " " |
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184 | ; Change the output type and name |
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185 | |
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186 | gsn_define_colormap(wks,"gui_default") |
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187 | |
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188 | res1@cnMaxLevelValF = 1.24 ; max contour color label |
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189 | res1@cnMinLevelValF = 0.78 ; min contour color label |
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190 | res1@cnLevelSpacingF = 0.04 ; contour color spacing ; choose a colormap |
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191 | |
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192 | end if ;============== end plot choice =============== |
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193 | end if ;============== end plot choice =============== |
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194 | end if ;============== end plot choice =============== |
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195 | |
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196 | res1@gsnCenterString = "t = " + day_curr + " days" |
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197 | plot = gsn_csm_contour(wks,var1(:,:),res1) ; plot var1 |
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198 | ; |
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199 | ; res1@gsnCenterString = "t = 9" |
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200 | ; plot(1) = gsn_csm_contour(wks,var2(:,:),res1) ; plot var2 |
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201 | ; |
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202 | ; res1@gsnCenterString = "t = 12" |
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203 | ; plot(2) = gsn_csm_contour(wks,var3(:,:),res1) ; plot var3 |
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204 | ; |
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205 | ; res1@gsnCenterString = "t = 15" |
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206 | ; plot(3) = gsn_csm_contour(wks,var4(:,:),res1) ; plot var4 |
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207 | |
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208 | gsn_panel(wks,plot,(/1,1/),pres) ; 2x2 plot |
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209 | |
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210 | ; Add latitude and longitude labels |
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211 | |
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212 | txres3 = True |
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213 | txres3@txAngleF = 90. |
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214 | txres3@txFontHeightF = 0.02 |
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215 | gsn_text_ndc(wks,"Latitude",0.08,0.52,txres3) |
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216 | |
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217 | txres3@txAngleF = 0. |
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218 | gsn_text_ndc(wks,"Longitude",0.54,0.28,txres3) |
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219 | |
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220 | ; draw(plot) |
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221 | frame(wks) |
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222 | |
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223 | end do |
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224 | ; delete(varload) |
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225 | cmd = "convert -delay 25 "+ filename_string+"*.png "+filename_string+".gif" |
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226 | system(cmd) |
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227 | cmd = "rm "+filename_string+"*.png" |
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228 | system(cmd) |
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229 | end do |
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230 | |
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231 | end |
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