function [Uzly,Trojuhelniky] = nacti3dSit(filename)

fid = fopen(filename,'r');

% uzly
n = fscanf(fid,'%d',1);
Uzly = fscanf(fid,'%g',[3,n]);

% trojuhelniky
m = fscanf(fid,'%d',1);
Tmp = fscanf(fid,'%d',[11,m]);
Trojuhelniky = Tmp(6:8,:);

fclose(fid);
