clear;
[Markers,VideoFrameRate,AnalogSignals,AnalogFrameRate,Event,ParameterGroup,CameraInfo,ResidualError]=readc3d('07_01.c3d');
fdata=squeeze(Markers(1,:,:));
for j=1:41
    plot3(fdata(:,1),fdata(:,2),fdata(:,3),'.'); axis equal; grid;
    hold;
    plot3(fdata(j,1),fdata(j,2),fdata(j,3),'r*');
    tit=sprintf('marker %d',j);
    title(tit);
    pause;
    close all;
end