load donnees;

size(triBis)
% Calcul des faces du maillage à garder
FACES = [triBis(:, [2 3 4]); triBis(:, [1 3 4]); triBis(:, [1 2 4]); triBis(:, [1 2 3])];
size(FACES)
FACES = sortrows(FACES);
rep = sum(FACES(1:end-1, :) == FACES(2:end, :), 2) < 3;
FACES([0; rep] & [rep; 0], :) = [];

fprintf('Calcul du maillage final termine : %d faces. \n',size(FACES,1));

% Affichage du maillage final
figure;
hold on
for i = 1:size(FACES,1)
   plot3([X(1,FACES(i,1)) X(1,FACES(i,2))],[X(2,FACES(i,1)) X(2,FACES(i,2))],[X(3,FACES(i,1)) X(3,FACES(i,2))],'r');
   plot3([X(1,FACES(i,1)) X(1,FACES(i,3))],[X(2,FACES(i,1)) X(2,FACES(i,3))],[X(3,FACES(i,1)) X(3,FACES(i,3))],'r');
   plot3([X(1,FACES(i,3)) X(1,FACES(i,2))],[X(2,FACES(i,3)) X(2,FACES(i,2))],[X(3,FACES(i,3)) X(3,FACES(i,2))],'r');
end;