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annotate +noname/animate.m @ 132:6ec2248b83c4

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Refactored +anim.animate to be more clear.
author Jonatan Werpers <jonatan@werpers.com>
date Fri, 05 Feb 2016 10:49:16 +0100
parents 1035c190e8de
children 08d7bb7c8ac4
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1035c190e8de noname.animate: Updated documentation. Fixed bug with start time. Added pause before starting.
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1 % hand = animate(discretization, time_modifier, Tend, dirname, opt)
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2 %
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3 % Example:
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4 % animate(discr,timemodifier,tend)
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5 % animate(discr,1, [tstart tend],'my_mov', opt)
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7 function hand = 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 default_arg('opt', []);
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14 if time_modifier < 0
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15 do_pause = true;
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16 time_modifier = -time_modifier;
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17 else
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18 do_pause = false;
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19 end
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20
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21 if isinf(time_modifier)
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22 do_step = true;
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23 else
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24 do_step = false;
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25 end
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26
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27 makemovies = ~strcmp(dirname,'');
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28 if makemovies
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29 dirname = ['mov/' dirname];
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30 end
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31
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32 fprintf('Animating: %s\n',discretization.name);
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33 fprintf('order : %d\n',discretization.order);
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34 fprintf('m : %d\n',size(discretization));
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36
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37 ts = discretization.getTimestepper(opt);
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38
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39 if numel(Tend) == 2
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40 Tstart = Tend(1);
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41 Tend = Tend(2);
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42
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43
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44 fprintf('Evolving to starting time: ');
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45 ts.evolve(Tstart,'true');
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46 fprintf(' - Done\n');
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47 start_solution = discretization.getTimeSnapshot(ts);
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48 else
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49 start_solution = discretization.getTimeSnapshot(0);
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50 Tstart = start_solution.t;
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51 end
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53 [update, figure_handle] = discretization.setupPlot('animation');
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54 if makemovies
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55 save_frame = anim.setup_fig_mov(figure_handle,dirname);
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56 end
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57
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58 % Initialize loop
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59 str = '';
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60 % Loop function
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61 function next_t = G(next_t)
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62 ts.evolve(next_t);
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63 sol = discretization.getTimeSnapshot(ts);
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64 update(sol);
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65 drawnow
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66 % waitforbuttonpress
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67 if makemovies
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68 save_frame();
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69 end
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71 if do_pause
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72 pause
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73 end
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74 end
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75 update(start_solution);
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77 fprintf('Using time step k = %.6f\n',ts.k);
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78 fprintf('System size: %d\n',size(discretization));
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79 % waitforbuttonpress
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81
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82 if ~do_step
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83 pause
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84 anim.animate(@G, Tstart, Tend, time_modifier);
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85 else
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86 while true
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87 ts.step();
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88 sol = discretization.getTimeSnapshot(ts);
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89 update(sol);
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90 drawnow
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91
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92 if do_pause
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93 pause
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94 end
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95 end
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96 end
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98 % str = util.replace_string(str,'');
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99
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100 % if makemovies
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101 % fprintf('Generating movies...\n')
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102 % system(sprintf('bash make_movie.sh %s',dirname));
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103 % end
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104 end