1 | function test_forcing(frcname,grdname,thefield,thetime,skip,coastfileplot) |
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2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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3 | % |
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4 | % Plot a variable from the forcing file |
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5 | % |
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6 | % Further Information: |
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7 | % http://www.brest.ird.fr/Roms_tools/ |
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8 | % |
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9 | % This file is part of ROMSTOOLS |
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10 | % |
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11 | % ROMSTOOLS is free software; you can redistribute it and/or modify |
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12 | % it under the terms of the GNU General Public License as published |
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13 | % by the Free Software Foundation; either version 2 of the License, |
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14 | % or (at your option) any later version. |
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15 | % |
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16 | % ROMSTOOLS is distributed in the hope that it will be useful, but |
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17 | % WITHOUT ANY WARRANTY; without even the implied warranty of |
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18 | % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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19 | % GNU General Public License for more details. |
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20 | % |
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21 | % You should have received a copy of the GNU General Public License |
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22 | % along with this program; if not, write to the Free Software |
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23 | % Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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24 | % MA 02111-1307 USA |
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25 | % |
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26 | % Copyright (c) 2002-2006 by Pierrick Penven |
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27 | % e-mail:Pierrick.Penven@ird.fr |
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28 | % |
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29 | % Updated 31-Aug-2006 by Pierrick Penven |
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30 | % Updated 25-Oct-2006 by Pierrick Penven (uwnd and vwnd) |
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31 | % |
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32 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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33 | % |
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34 | niceplot=1; |
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35 | i=0; |
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36 | for time=thetime |
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37 | i=i+1; |
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38 | |
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39 | subplot(2,length(thetime)/2,i) |
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40 | |
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41 | nc=netcdf(frcname); |
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42 | stime=nc{'sms_time'}(time); |
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43 | if isempty(stime) |
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44 | stime=nc{'bulk_time'}(time); |
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45 | if isempty(stime) |
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46 | error('TEST_FORCING: Is it a forcing or a bulk file ?') |
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47 | end |
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48 | u=nc{'uwnd'}(time,:,:); |
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49 | v=nc{'vwnd'}(time,:,:); |
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50 | if thefield(1:3)=='spd' |
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51 | field=sqrt((u2rho_2d(u)).^2+(v2rho_2d(v)).^2); |
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52 | fieldname='wind speed'; |
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53 | else |
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54 | field=nc{thefield}(time,:,:); |
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55 | fieldname=nc{thefield}.long_name(:); |
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56 | end |
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57 | else |
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58 | u=nc{'sustr'}(time,:,:); |
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59 | v=nc{'svstr'}(time,:,:); |
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60 | if thefield(1:3)=='spd' |
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61 | field=sqrt((u2rho_2d(u)).^2+(v2rho_2d(v)).^2); |
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62 | fieldname='wind speed'; |
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63 | else |
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64 | field=nc{thefield}(time,:,:); |
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65 | fieldname=nc{thefield}.long_name(:); |
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66 | end |
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67 | end |
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68 | close(nc); |
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69 | % |
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70 | % Read the grid |
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71 | % |
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72 | nc=netcdf(grdname); |
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73 | if strcmp(thefield,'sustr') | strcmp(thefield,'uwnd') |
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74 | lon=nc{'lon_u'}(:); |
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75 | lat=nc{'lat_u'}(:); |
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76 | mask=nc{'mask_u'}(:); |
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77 | elseif strcmp(thefield,'svstr') | strcmp(thefield,'vwnd') |
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78 | lon=nc{'lon_v'}(:); |
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79 | lat=nc{'lat_v'}(:); |
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80 | mask=nc{'mask_v'}(:); |
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81 | else |
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82 | lon=nc{'lon_rho'}(:); |
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83 | lat=nc{'lat_rho'}(:); |
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84 | mask=nc{'mask_rho'}(:); |
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85 | end |
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86 | angle=nc{'angle'}(:); |
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87 | result=close(nc); |
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88 | mask(mask==0)=NaN; |
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89 | % |
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90 | % compute the vectors |
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91 | % |
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92 | [ured,vred,lonred,latred,speed]=uv_vec2rho(u,v,lon,lat,angle,... |
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93 | mask,skip,[0 0 0 0]); |
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94 | % |
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95 | % Make the plot |
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96 | % |
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97 | if niceplot==1 |
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98 | domaxis=[min(min(lon)) max(max(lon)) min(min(lat)) max(max(lat))]; |
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99 | m_proj('mercator',... |
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100 | 'lon',[domaxis(1) domaxis(2)],... |
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101 | 'lat',[domaxis(3) domaxis(4)]); |
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102 | |
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103 | m_pcolor(lon,lat,mask.*field); |
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104 | shading flat |
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105 | drawnow |
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106 | colorbar |
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107 | hold on |
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108 | m_quiver(lonred,latred,ured,vred,'k'); |
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109 | if ~isempty(coastfileplot) |
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110 | m_usercoast(coastfileplot,'patch',[.9 .9 .9]); |
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111 | end |
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112 | hold off |
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113 | title([fieldname,' - day: ',num2str(stime)]) |
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114 | m_grid('box','fancy',... |
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115 | 'xtick',5,'ytick',5,'tickdir','out',... |
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116 | 'fontsize',7); |
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117 | else |
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118 | imagesc(mask.*field) |
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119 | title([fieldname,' - day: ',num2str(stime)]) |
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120 | end |
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121 | end |
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122 | |
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123 | |
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