1 | load "$NCARG_ROOT/lib/ncarg/nclex/gsun/gsn_code.ncl" |
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2 | load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl" |
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3 | load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl" |
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4 | load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/shea_util.ncl" |
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5 | |
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6 | ; cross-sections |
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7 | ; last change: $Id: crosssections_new.ncl 127 2007-10-23 11:05:25Z raasch $ |
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8 | |
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9 | begin |
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10 | ; |
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11 | ; set default value(s) for shell script variables assigned on command line |
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12 | if ( .not. isvar("cm") ) then ; colormap |
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13 | cm = "ncview_default" |
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14 | end if |
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15 | if ( .not. isvar("di") ) then ; input directory (with final /) |
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16 | di = "" |
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17 | end if |
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18 | if ( .not. isvar("d") ) then ; output directory (with final /) |
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19 | d = di |
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20 | end if |
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21 | if ( .not. isvar("fi") ) then ; base name of input file (without suffix) |
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22 | fi = "example_xy" |
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23 | end if |
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24 | if ( .not. isvar("fill_mode") ) then ; "AreaFill", "RasterFill" or "CellFill" |
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25 | fill_mode = "AreaFill" |
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26 | end if |
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27 | if ( .not. isvar("fo") ) then ; base name of output files (without suffix) |
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28 | fo = "" |
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29 | end if |
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30 | if ( .not. isvar("mode") ) then ; output mode ("Fill" or "Line") |
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31 | mode = "Fill" |
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32 | end if |
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33 | if ( .not. isvar("t") ) then ; output time step |
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34 | t = 0 |
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35 | end if |
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36 | if ( .not. isvar("var") ) then ; variable to be output |
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37 | var = "u_xy" |
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38 | end if |
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39 | if ( .not. isvar("xs") ) then ; output x-coordinate range start (in m) |
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40 | xs = -1e+38 |
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41 | end if |
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42 | if ( .not. isvar("xe") ) then ; output x-coordinate range end (in m) |
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43 | xe = 1e+38 |
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44 | end if |
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45 | if ( .not. isvar("ys") ) then ; output y-coordinate range start (in m) |
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46 | ys = -1e+38 |
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47 | end if |
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48 | if ( .not. isvar("ye") ) then ; output y-coordinate range end (in m) |
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49 | ye = 1e+38 |
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50 | end if |
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51 | if ( .not. isvar("zs") ) then ; output z-coordinate range start (in m) |
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52 | zs = -1e+38 |
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53 | end if |
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54 | if ( .not. isvar("ze") ) then ; output z-coordinate range end (in m) |
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55 | ze = 1e+38 |
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56 | end if |
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57 | ; |
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58 | ; open input file |
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59 | f = addfile( di + fi + ".nc", "r" ) |
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60 | ; |
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61 | ; open workstation(s) and set colormap |
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62 | wks_x11 = gsn_open_wks("x11","cross-section") ; X11 workstation |
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63 | gsn_define_colormap(wks_x11,cm) |
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64 | if ( isvar("fo") ) then |
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65 | wks_pdf = gsn_open_wks("pdf",d+fo) ; optional workstations |
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66 | gsn_define_colormap(wks_pdf,cm) |
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67 | wks_eps = gsn_open_wks("eps",d+fo) ; for output on file |
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68 | gsn_define_colormap(wks_eps,cm) |
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69 | wks_ps = gsn_open_wks("ps",d+fo) |
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70 | gsn_define_colormap(wks_ps,cm) |
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71 | end if |
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72 | ; |
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73 | ; read input data using 'coordinate subscripting' |
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74 | ; NCL uses the closest corresponding values (in case of two equally distant |
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75 | ; values NCL chooses the smaller one) |
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76 | raw_data = f->$var$(t:t,{zs:ze},{ys:ye},{xs:xe}) |
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77 | raw_data!0 = "t" |
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78 | raw_data!1 = "z" |
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79 | raw_data!2 = "y" |
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80 | raw_data!3 = "x" |
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81 | time = raw_data&t |
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82 | ; |
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83 | ; reduce variable dimensions from 4D to 2D according to output ranges |
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84 | if ( zs .eq. ze ) then |
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85 | data = raw_data(0,0,:,:) |
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86 | x_axis = "x" |
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87 | y_axis = "y" |
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88 | plane = "z" |
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89 | |
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90 | dx = f->x(1) |
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91 | dy = f->y(1) |
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92 | |
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93 | if ( raw_data&z .eq. -1 ) then |
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94 | level = "-average" |
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95 | else |
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96 | level = "=" + raw_data&z + "m" |
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97 | end if |
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98 | else |
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99 | if ( ys .eq. ye ) then |
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100 | data = raw_data(0,:,0,:) |
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101 | x_axis = "x" |
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102 | y_axis = "z" |
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103 | plane = "y" |
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104 | |
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105 | dx = f->x(1) |
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106 | if (isfilevar(f, "zw_3d")) then |
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107 | dz = f->zw_3d(1) |
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108 | else |
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109 | dz = f->zw(1) |
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110 | end if |
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111 | |
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112 | if ( raw_data&y .eq. -1 ) then |
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113 | level = "-average" |
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114 | else |
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115 | level = "=" + raw_data&y + "m" |
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116 | end if |
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117 | else |
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118 | if ( xs .eq. xe ) then |
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119 | data = raw_data(0,:,:,0) |
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120 | x_axis = "y" |
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121 | y_axis = "z" |
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122 | plane = "x" |
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123 | |
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124 | dy = f->y(1) |
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125 | if (isfilevar(f, "zw_3d")) then |
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126 | dz = f->zw_3d(1) |
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127 | else |
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128 | dz = f->zw(1) |
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129 | end if |
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130 | |
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131 | if ( raw_data&x .eq. -1 ) then |
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132 | level = "-average" |
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133 | else |
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134 | level = "=" + raw_data&x + "m" |
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135 | end if |
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136 | end if |
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137 | end if |
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138 | end if |
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139 | delete( raw_data ) |
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140 | ; |
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141 | ; set up resources |
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142 | cs_res = True |
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143 | cs_res@gsnDraw = False |
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144 | cs_res@gsnFrame = False |
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145 | cs_res@gsnMaximize = True |
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146 | cs_res@gsnPaperOrientation = "portrait" |
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147 | cs_res@gsnPaperWidth = 8.27 |
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148 | cs_res@gsnPaperHeight = 11.69 |
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149 | cs_res@gsnPaperMargin = 0.79 |
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150 | cs_res@tiMainFuncCode = "~" |
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151 | cs_res@tiMainFontHeightF = 0.015 |
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152 | cs_res@tiMainString = f@title |
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153 | cs_res@tiXAxisString = x_axis + " [m]" |
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154 | cs_res@tiYAxisString = y_axis + " [m]" |
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155 | ; cs_res@gsnLeftString = "" ; gsn_csm_* scripts use default data |
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156 | cs_res@gsnCenterString = "t=" + time + "s " + plane + level |
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157 | ; cs_res@gsnRightString = "" ; gsn_csm_* scripts use default data |
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158 | cs_res@tmXBMode ="Automatic" |
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159 | cs_res@tmYLMode ="Automatic" |
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160 | if ( mode .eq. "Fill" ) then |
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161 | cs_res@cnFillOn = True |
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162 | cs_res@gsnSpreadColors = True |
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163 | cs_res@cnFillMode = fill_mode |
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164 | cs_res@lbOrientation = "Vertical" ; vertical label bar |
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165 | cs_res@cnLinesOn = False |
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166 | cs_res@cnLineLabelsOn = False |
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167 | end if |
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168 | |
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169 | vector = True |
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170 | co_overlay = True |
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171 | |
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172 | if ( .not. isvar("wv1") ) then |
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173 | vector = False |
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174 | end if |
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175 | if ( .not. isvar("wv2") ) then |
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176 | vector = False |
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177 | end if |
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178 | if ( .not. isvar("co") ) then |
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179 | co_overlay = False |
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180 | end if |
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181 | |
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182 | if ( vector .eq. True ) then |
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183 | |
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184 | if ( wv1 .eq. "u_xy" .or. wv1 .eq. "u_xz" .or. wv1 .eq. "u_yz" ) then |
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185 | |
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186 | raw_data = f->$wv1$(t:t,{zs:ze},{ys:ye},{xs-(0.5*dx):xe-(0.5*dx)}) |
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187 | raw_data!0 = "t" |
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188 | raw_data!1 = "z" |
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189 | raw_data!2 = "y" |
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190 | raw_data!3 = "x" |
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191 | time = raw_data&t |
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192 | |
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193 | else |
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194 | |
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195 | if ( wv1 .eq. "v_xy" .or. wv1 .eq. "v_xz" .or. wv1 .eq. "v_yz" ) then |
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196 | |
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197 | raw_data = f->$wv1$(t:t,{zs:ze},{ys-(0.5*dy):ye-(0.5*dy)},{xs:xe}) |
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198 | raw_data!0 = "t" |
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199 | raw_data!1 = "z" |
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200 | raw_data!2 = "y" |
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201 | raw_data!3 = "x" |
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202 | time = raw_data&t |
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203 | |
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204 | else |
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205 | |
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206 | if ( wv1 .eq. "w_xy" .or. wv1 .eq. "w_xz" .or. wv1 .eq. "w_yz" ) then |
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207 | |
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208 | raw_data = f->$wv1$(t:t,{zs+(0.5*dz):ze+(0.5*dz)},{ys:ye},{xs:xe}) |
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209 | raw_data!0 = "t" |
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210 | raw_data!1 = "z" |
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211 | raw_data!2 = "y" |
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212 | raw_data!3 = "x" |
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213 | time = raw_data&t |
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214 | |
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215 | end if |
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216 | end if |
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217 | end if |
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218 | |
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219 | if ( zs .eq. ze ) then |
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220 | data_u = raw_data(0,0,:,:) |
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221 | else |
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222 | if ( ys .eq. ye ) then |
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223 | data_u = raw_data(0,:,0,:) |
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224 | else |
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225 | if ( xs .eq. xe ) then |
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226 | data_u = raw_data(0,:,:,0) |
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227 | end if |
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228 | end if |
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229 | end if |
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230 | delete( raw_data ) |
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231 | |
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232 | if ( wv2 .eq. "u_xy" .or. wv2 .eq. "u_xz" .or. wv2 .eq. "u_yz" ) then |
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233 | |
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234 | raw_data = f->$wv2$(t:t,{zs:ze},{ys:ye},{xs-(0.5*dx):xe-(0.5*dx)}) |
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235 | raw_data!0 = "t" |
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236 | raw_data!1 = "z" |
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237 | raw_data!2 = "y" |
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238 | raw_data!3 = "x" |
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239 | time = raw_data&t |
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240 | |
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241 | else |
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242 | |
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243 | if ( wv2 .eq. "v_xy" .or. wv2 .eq. "v_xz" .or. wv2 .eq. "v_yz" ) then |
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244 | |
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245 | raw_data = f->$wv2$(t:t,{zs:ze},{ys-(0.5*dy):ye-(0.5*dy)},{xs:xe}) |
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246 | raw_data!0 = "t" |
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247 | raw_data!1 = "z" |
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248 | raw_data!2 = "y" |
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249 | raw_data!3 = "x" |
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250 | time = raw_data&t |
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251 | |
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252 | else |
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253 | |
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254 | if ( wv2 .eq. "w_xy" .or. wv2 .eq. "w_xz" .or. wv2 .eq. "w_yz" ) then |
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255 | |
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256 | raw_data = f->$wv2$(t:t,{zs+(0.5*dz):ze+(0.5*dz)},{ys:ye},{xs:xe}) |
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257 | raw_data!0 = "t" |
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258 | raw_data!1 = "z" |
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259 | raw_data!2 = "y" |
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260 | raw_data!3 = "x" |
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261 | time = raw_data&t |
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262 | |
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263 | end if |
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264 | end if |
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265 | end if |
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266 | |
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267 | |
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268 | if ( zs .eq. ze ) then |
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269 | data_v = raw_data(0,0,:,:) |
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270 | else |
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271 | if ( ys .eq. ye ) then |
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272 | data_v = raw_data(0,:,0,:) |
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273 | else |
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274 | if ( xs .eq. xe ) then |
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275 | data_v = raw_data(0,:,:,0) |
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276 | end if |
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277 | end if |
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278 | end if |
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279 | delete( raw_data ) |
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280 | |
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281 | wv_res = True |
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282 | wv_res@gsnDraw = False |
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283 | wv_res@gsnFrame = False |
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284 | wv_res@gsnRightString = "" |
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285 | wv_res@gsnLeftString = "" |
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286 | wv_res@gsnCenterString = "" |
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287 | wv_res@vpClipOn = True |
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288 | |
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289 | end if |
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290 | |
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291 | if ( co_overlay .eq. True ) then |
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292 | |
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293 | raw_data = f->$co$(t:t,{zs:ze},{ys:ye},{xs:xe}) |
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294 | raw_data!0 = "t" |
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295 | raw_data!1 = "z" |
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296 | raw_data!2 = "y" |
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297 | raw_data!3 = "x" |
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298 | time = raw_data&t |
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299 | |
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300 | if ( zs .eq. ze ) then |
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301 | data2 = raw_data(0,0,:,:) |
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302 | else |
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303 | if ( ys .eq. ye ) then |
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304 | data2 = raw_data(0,:,0,:) |
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305 | else |
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306 | if ( xs .eq. xe ) then |
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307 | data2 = raw_data(0,:,:,0) |
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308 | end if |
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309 | end if |
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310 | end if |
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311 | delete( raw_data ) |
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312 | |
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313 | co_res = True |
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314 | co_res@cnLineThicknessF = 1.0 |
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315 | co_res@gsnDraw = False |
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316 | co_res@gsnFrame = False |
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317 | co_res@gsnContourZeroLineThicknessF = 2.0 |
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318 | co_res@gsnContourNegLineDashPattern = 4 |
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319 | co_res@cnLineColor = "Black" |
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320 | co_res@gsnRightString = "" |
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321 | co_res@gsnLeftString = "" |
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322 | co_res@gsnCenterString = "" |
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323 | |
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324 | ; co_res1@cnLevelSelectionMode = "ManualLevels" ; set manual contour levels |
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325 | ; co_res1@cnMinLevelValF = -5. ; set min contour level |
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326 | ; co_res1@cnMaxLevelValF = 5. ; set max contour level |
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327 | ; co_res1@cnLevelSpacingF = 0.5 ; set contour spacing |
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328 | co_res@cnLineLabelsOn = True |
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329 | co_res@cnLineLabelPlacementMode = "constant" |
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330 | ; co_res@cnLineLabelBackgroundColor = "white" |
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331 | |
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332 | end if |
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333 | |
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334 | if ( co_overlay .eq. True .and. vector .eq. True ) then |
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335 | |
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336 | if ( isvar("fo") ) then |
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337 | |
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338 | plot_pdf2 = gsn_csm_contour(wks_pdf,data2,co_res) |
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339 | plot_pdf1 = gsn_csm_contour(wks_pdf,data,cs_res) |
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340 | plot_pdf3 = gsn_csm_vector(wks_pdf,data_u,data_v,wv_res) |
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341 | overlay(plot_pdf1,plot_pdf2) |
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342 | overlay(plot_pdf1,plot_pdf3) |
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343 | draw(plot_pdf1) |
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344 | frame(wks_pdf) |
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345 | |
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346 | plot_eps2 = gsn_csm_contour(wks_eps,data2,co_res) |
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347 | plot_eps1 = gsn_csm_contour(wks_eps,data,cs_res) |
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348 | plot_eps3 = gsn_csm_vector(wks_eps,data_u,data_v,wv_res) |
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349 | overlay(plot_eps1,plot_eps2) |
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350 | overlay(plot_eps1,plot_eps3) |
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351 | draw(plot_eps1) |
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352 | frame(wks_eps) |
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353 | |
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354 | plot_ps2 = gsn_csm_contour(wks_ps,data2,co_res) |
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355 | plot_ps1 = gsn_csm_contour(wks_ps,data,cs_res) |
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356 | plot_ps3 = gsn_csm_vector(wks_ps,data_u,data_v,wv_res) |
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357 | overlay(plot_ps1,plot_ps2) |
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358 | overlay(plot_ps1,plot_ps3) |
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359 | draw(plot_ps1) |
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360 | frame(wks_ps) |
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361 | |
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362 | end if |
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363 | |
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364 | plot1 = gsn_csm_contour(wks_x11,data,cs_res) |
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365 | plot2 = gsn_csm_contour(wks_x11,data2,co_res) |
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366 | plot3 = gsn_csm_vector(wks_x11,data_u,data_v,wv_res) |
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367 | |
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368 | overlay(plot1,plot2) |
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369 | overlay(plot1,plot3) |
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370 | |
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371 | draw(plot1) |
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372 | frame(wks_x11) |
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373 | |
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374 | else |
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375 | |
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376 | if ( co_overlay .eq. True .and. vector .ne. True ) then |
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377 | |
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378 | if ( isvar("fo") ) then |
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379 | |
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380 | plot_pdf2 = gsn_csm_contour(wks_pdf,data2,co_res) |
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381 | plot_pdf1 = gsn_csm_contour(wks_pdf,data,cs_res) |
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382 | overlay(plot_pdf1,plot_pdf2) |
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383 | draw(plot_pdf1) |
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384 | frame(wks_pdf) |
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385 | |
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386 | plot_eps2 = gsn_csm_contour(wks_eps,data2,co_res) |
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387 | plot_eps1 = gsn_csm_contour(wks_eps,data,cs_res) |
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388 | overlay(plot_eps1,plot_eps2) |
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389 | draw(plot_eps1) |
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390 | frame(wks_eps) |
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391 | |
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392 | plot_ps2 = gsn_csm_contour(wks_ps,data2,co_res) |
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393 | plot_ps1 = gsn_csm_contour(wks_ps,data,cs_res) |
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394 | overlay(plot_ps1,plot_ps2) |
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395 | draw(plot_ps1) |
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396 | frame(wks_ps) |
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397 | |
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398 | end if |
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399 | |
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400 | plot1 = gsn_csm_contour(wks_x11,data,cs_res) |
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401 | plot2 = gsn_csm_contour(wks_x11,data2,co_res) |
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402 | |
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403 | overlay(plot1,plot2) |
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404 | |
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405 | draw(plot1) |
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406 | frame(wks_x11) |
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407 | |
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408 | else |
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409 | |
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410 | if ( co_overlay .ne. True .and. vector .eq. True ) then |
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411 | |
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412 | if ( isvar("fo") ) then |
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413 | |
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414 | plot_pdf1 = gsn_csm_contour(wks_pdf,data,cs_res) |
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415 | plot_pdf3 = gsn_csm_vector(wks_pdf,data_u,data_v,wv_res) |
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416 | overlay(plot_pdf1,plot_pdf3) |
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417 | draw(plot_pdf1) |
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418 | frame(wks_pdf) |
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419 | |
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420 | plot_eps1 = gsn_csm_contour(wks_eps,data,cs_res) |
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421 | plot_eps3 = gsn_csm_vector(wks_eps,data_u,data_v,wv_res) |
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422 | overlay(plot_eps1,plot_eps3) |
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423 | draw(plot_eps1) |
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424 | frame(wks_eps) |
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425 | |
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426 | plot_ps1 = gsn_csm_contour(wks_ps,data,cs_res) |
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427 | plot_ps3 = gsn_csm_vector(wks_ps,data_u,data_v,wv_res) |
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428 | overlay(plot_ps1,plot_ps3) |
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429 | draw(plot_ps1) |
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430 | frame(wks_ps) |
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431 | |
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432 | end if |
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433 | |
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434 | plot1 = gsn_csm_contour(wks_x11,data,cs_res) |
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435 | plot3 = gsn_csm_vector(wks_x11,data_u,data_v,wv_res) |
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436 | |
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437 | overlay(plot1,plot3) |
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438 | |
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439 | draw(plot1) |
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440 | frame(wks_x11) |
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441 | |
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442 | else |
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443 | |
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444 | if ( co_overlay .ne. True .and. vector .ne. True) then |
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445 | |
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446 | if ( isvar("fo") ) then |
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447 | |
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448 | plot_pdf1 = gsn_csm_contour(wks_pdf,data,cs_res) |
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449 | draw(plot_pdf1) |
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450 | frame(wks_pdf) |
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451 | |
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452 | plot_eps1 = gsn_csm_contour(wks_eps,data,cs_res) |
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453 | draw(plot_eps1) |
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454 | frame(wks_eps) |
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455 | |
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456 | plot_ps1 = gsn_csm_contour(wks_ps,data,cs_res) |
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457 | draw(plot_ps1) |
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458 | frame(wks_ps) |
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459 | |
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460 | end if |
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461 | |
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462 | plot1 = gsn_csm_contour(wks_x11,data,cs_res) |
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463 | |
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464 | draw(plot1) |
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465 | frame(wks_x11) |
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466 | |
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467 | end if |
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468 | end if |
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469 | end if |
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470 | |
---|
471 | end if |
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472 | |
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473 | end |
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