| [127] | 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 letzel $ |
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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 | |
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| 471 | end if |
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| 472 | |
|---|
| 473 | end |
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