Adding letters to 3D plot data points in Matlab
clear all
clc

csv=csvread('pilot6/maindroite.csv',1,0); %read the values from a csv
both = csv(:,2:19);

ax=axes;
set(ax,'NextPlot','replacechildren');

Dt=0.1; %sampling period in secs

k=1;
hp1=plot3(both(k,1),both(k,2),both(k,3),'ok'); %get handle to dot object
hold on;
hp2=plot3(both(k,4),both(k,5),both(k,6),'og');
hp3=plot3(both(k,7),both(k,8),both(k,9),'ob');
hp4=plot3(both(k,10),both(k,11),both(k,12),'oc');
hp5=plot3(both(k,13),both(k,14),both(k,15),'om');
hp6=plot3(both(k,16),both(k,17),both(k,18),'or');
hold off;

t1=timer('TimerFcn','k=doPlot(hp1,hp2,hp3,hp4,hp5,hp6,both,t1,k)','Period', Dt,'ExecutionMode','fixedRate');
start(t1);

function k=doPlot(hp1,hp2,hp3,hp4,hp5,hp6,pos,t1,k)

k=k+1;
if k<5000%length(pos)
   set(hp1,'XData',pos(k,1),'YData',pos(k,2),'ZData',pos(k,3));
   axis([0 255 0 255 0 255]);
   set(hp2,'XData',pos(k,4),'YData',pos(k,5),'ZData',pos(k,6));
   set(hp3,'XData',pos(k,7),'YData',pos(k,8),'ZData',pos(k,9));
   set(hp4,'XData',pos(k,10),'YData',pos(k,11),'ZData',pos(k,12));
   set(hp5,'XData',pos(k,13),'YData',pos(k,14),'ZData',pos(k,15));
   set(hp6,'XData',pos(k,16),'YData',pos(k,17),'ZData',pos(k,18));

else
    k=1;
    set(hp,'XData',pos(k,1),'YData',pos(k,2),'ZData',pos(k,3));
   axis([0 255 0 255 0 255]);
end