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annotate +noname/animate.m @ 1037:2d7ba44340d0 feature/burgers1d

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Pass scheme specific parameters as cell array. This will enabale constructDiffOps to be more general. In addition, allow for schemes returning function handles as diffOps, which is currently how non-linear schemes such as Burgers1d are implemented.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 18 Jan 2019 09:02:02 +0100
parents 082c7bf3192e
children c9147e05d228
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1 % noname.animate(discretization, time_modifier, Tend, dirname, opt)
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2 %
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3 % Example:
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4 % noname.animate(discr,timemodifier,tend)
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5 % noname.animate(discr,1, [tstart tend],'my_mov', opt)
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7 function animate(discretization, time_modifier, Tend, dirname, opt)
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8 default_arg('time_modifier', 1);
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9 default_arg('Tend', Inf);
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10 default_arg('dirname', '');
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11
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12 optDefault.plotType = 'animation';
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13 optDefault.time = [];
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14
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15 default_struct('opt', optDefault);
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18 if time_modifier < 0
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19 do_pause = true;
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20 time_modifier = -time_modifier;
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21 else
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22 do_pause = false;
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23 end
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24
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25 if isinf(time_modifier)
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26 do_step = true;
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27 else
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28 do_step = false;
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29 end
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30
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31 makemovies = ~strcmp(dirname,'');
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32 if makemovies
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33 dirname = ['mov/' dirname];
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34 end
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35
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36 fprintf('Animating: %s\n',discretization.name);
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37 fprintf('order : %d\n',discretization.order);
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38 fprintf('m : %d\n',size(discretization));
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41 ts = discretization.getTimestepper(opt.time);
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42
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43 if numel(Tend) == 2
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44 Tstart = Tend(1);
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45 Tend = Tend(2);
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47
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48 fprintf('Evolving to starting time: ');
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49 ts.evolve(Tstart,'true');
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50 fprintf(' - Done\n');
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51 start_solution = discretization.getTimeSnapshot(ts);
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52 else
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53 start_solution = discretization.getTimeSnapshot(0);
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54 Tstart = start_solution.t;
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55 end
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56
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57 [update, figure_handle] = discretization.setupPlot(opt.plotType);
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58 if makemovies
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59 save_frame = anim.setup_fig_mov(figure_handle,dirname);
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60 end
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61
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62 % Initialize loop
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63 str = '';
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64 % Loop function
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65 function next_t = G(next_t)
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66 ts.evolve(next_t);
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67 sol = discretization.getTimeSnapshot(ts);
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68 update(sol);
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69 drawnow
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70 % waitforbuttonpress
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71 if makemovies
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72 save_frame();
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73 end
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74
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75 if do_pause
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76 pause
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77 end
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78 end
80
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79 update(start_solution);
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80
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81 fprintf('Using time step k = %.6f\n',ts.k);
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82 fprintf('System size: %d\n',size(discretization));
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83 % waitforbuttonpress
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84
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85
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86 if ~do_step
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87 pause
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88 anim.animate(@G, Tstart, Tend, time_modifier);
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89 else
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90 pause
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91 while ts.t < Tend
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92 ts.step();
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93 sol = discretization.getTimeSnapshot(ts);
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94 update(sol);
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95 drawnow
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96
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97 if do_pause
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98 pause
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99 end
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100 end
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101 end
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102
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103 % str = util.replace_string(str,'');
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104
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105 % if makemovies
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106 % fprintf('Generating movies...\n')
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107 % system(sprintf('bash make_movie.sh %s',dirname));
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108 % end
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109 end