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VisAna

Scripts and functions for reading, visualizing and analyzing simulation data. This package contains the reader for all kinds of output data from SWMF. It also contains the series of analysis on Ganymede simulations. A new version with more functionalities has been implemented with Julia. Checkout Batsrus.jl and VisAnaJulia for more.

Getting Started

Prerequisites

Recent versions of MATLAB.

Examples

Log data

filename = 'logTest.log';
[filehead,logdata] = read_data(filename,'filetype','log');

% Test of reading flyby trajectory data & compare with simulation outputs
[filehead,data] = read_log_data('Galileo_G8_flyby_MAG.dat');

time = datetime(data(:,1:6));
xyz  = data(:,7:9);
B_obs= data(:,10:12);

2D single snapshot

filename = '~/SWMF/SWMF/GM/BATSRUS/run_test/GM/IO2/y*';
[filehead,data] = read_data(filename);
plot_data(data.file1,filehead,'p','plotmode','contbar')

2D multiple snapshots

npict = 61; % index of snapshot to be read
filename = 'z.outs';
[filehead,data] = read_data(filename,'npict',npict);
plot_data(data.file1,filehead(1),'p','plotmode','grid');
func = 'p';
plotmode='contbar';
plot_data(data.file1,filehead(1),func,'plotmode',plotmode,'plotinterval',0.2);
plotrange = [-4 4 -4 4];
plot_data(data.file1,filehead(1),func...
   ,'plotmode','trimesh','plotrange',plotrange)

plot_data(data.file1,filehead.file1,func...
   ,'plotmode','trisurf','plotrange',plotrange)

plot_data(data.file1,filehead.file1,func...
   ,'plotmode','meshbar','plotrange',plotrange,'plotinterval',0.05)


filename='y=0*.out';
[filehead,data] = read_data(filename);

func = 'jy ux;uz';
plotmode = 'contbar streamover';
plotrange = [-8 8 -8 8];

plot_data(data.file1,filehead(1),func...
   ,'plotmode',plotmode,'plotrange',plotrange,'plotinterval',0.05)

rectangle('Position',[-.5,-.5,1,1],'Curvature',[1,1]...
   ,'FaceColor',[.6 .6 .6])
viscircles([0 0],1,'color',[.4 .2 1]);

filename='y=0_var_1_n00060000.out';
[filehead,data] = read_data(filename,'npict',1,'verbose',false);

func='jx ux;uy';
plotmode='contbar streamover';
plotrange = [-4 4 -4 4];
plot_data(data.file1,filehead(1),func,'plotmode',plotmode,...
   'plotrange',plotrange,'plotinterval',0.05)
hold on

rectangle('Position',[-2.8 -3 (-1.125+2.8) 6],'EdgeColor','r',...
  'LineWidth',2)

rectangle('Position',[-.5,-.5,1,1],'Curvature',[1,1]...
   ,'FaceColor',[.6 .6 .6]);
viscircles([0 0],1,'color',[.4 .2 1]);

Test of animation (not fully implemented)

func = 'P';
plotmode = 'contbar';
plotrange = [-4 4 -4 4];

animate_data(filename,func,'plotmode',plotmode,'plotrange',plotrange,...
   'firstpict',1,'dpict',1,'npictmax',61,...
   'plotinterval',0.05,'savemovie',true)

3D box output, Cartesian coordinates

filename = 'box*.outs';
[filehead,data] = read_data(filename);

3D IPIC3D output

filename = 'y=0_fluid_region0_1_n0_35781.outs';
[filehead,data] = read_data(filename,'npict',60);
plot_data(data.file1,filehead,'ps0','plotmode','contbar')

Authors

License

This project is licensed under the MIT License - see the LICENSE.md file for details

Acknowledgments

  • All the nice guys who share their codes