1 | function plot_tide(grdname,frcname,k,cff,skp,coastfileplot) |
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2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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3 | % |
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4 | % Plot tidal ellipses |
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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) 2003-2006 by Patrick Marchesiello |
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27 | % |
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28 | % Updated 5-Oct-2006 by Pierrick Penven |
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29 | % |
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30 | % |
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31 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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32 | rad=pi/180.0; |
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33 | deg=180.0/pi; |
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34 | |
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35 | niceplot=1; |
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36 | |
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37 | nc=netcdf(grdname); |
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38 | rlon=nc{'lon_rho'}(:); |
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39 | rlat=nc{'lat_rho'}(:); |
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40 | rmask=nc{'mask_rho'}(:); |
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41 | rangle=nc{'angle'}(:); |
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42 | close(nc) |
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43 | [M,L]=size(rlat); |
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44 | |
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45 | nc=netcdf(frcname); |
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46 | tide_Eamp(:,:)=nc{'tide_Eamp'}(k,:,:); |
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47 | tide_Cmax(:,:)=nc{'tide_Cmax'}(k,1:skp:M,1:skp:L); |
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48 | tide_Cmin(:,:)=nc{'tide_Cmin'}(k,1:skp:M,1:skp:L); |
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49 | tide_Cangle(:,:)=rad*nc{'tide_Cangle'}(k,1:skp:M,1:skp:L); |
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50 | cmpt=nc.components(:); |
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51 | disp(['Plot tidal component : ',cmpt(3*k-2:3*k)]) |
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52 | close(nc) |
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53 | slon=rlon(1:skp:M,1:skp:L); |
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54 | slat=rlat(1:skp:M,1:skp:L); |
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55 | smask=rmask(1:skp:M,1:skp:L); |
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56 | rmask(rmask==0)=NaN; |
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57 | |
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58 | disp(['Max currents: ',num2str(max(max(tide_Cmax)),2),' m/s']) |
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59 | |
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60 | if niceplot==1 |
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61 | |
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62 | domaxis=[min(min(rlon)) max(max(rlon)) min(min(rlat)) max(max(rlat))]; |
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63 | m_proj('mercator',... |
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64 | 'lon',[domaxis(1) domaxis(2)],... |
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65 | 'lat',[domaxis(3) domaxis(4)]); |
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66 | m_pcolor(rlon,rlat,rmask.*tide_Eamp) |
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67 | shading flat |
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68 | colorbar |
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69 | hold on |
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70 | m_ellipse(cff*smask.*tide_Cmax,cff*smask.*tide_Cmin,... |
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71 | smask.*tide_Cangle,slon,slat,'k'); |
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72 | if ~isempty(coastfileplot) |
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73 | m_usercoast(coastfileplot,'patch',[.9 .9 .9]); |
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74 | end |
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75 | hold off |
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76 | title(['Amplitude [m] of tide : ',cmpt(3*k-2:3*k)]) |
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77 | m_grid('box','fancy',... |
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78 | 'xtick',5,'ytick',5,'tickdir','out',... |
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79 | 'fontsize',7); |
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80 | |
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81 | else |
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82 | |
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83 | pcolor(rlon,rlat,rmask.*tide_Eamp) |
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84 | shading flat |
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85 | colorbar |
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86 | hold on |
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87 | ellipse(cff*smask.*tide_Cmax,cff*smask.*tide_Cmin,smask.*tide_Cangle,slon,slat,'k'); |
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88 | axis([min(min(rlon)) max(max(rlon)) min(min(rlat)) max(max(rlat))]) |
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89 | title(['Amplitude [m] of tide : ',cmpt(3*k-2:3*k)]) |
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90 | hold off |
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91 | |
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92 | end |
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93 | |
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