function shili27
h0=figure('toolbar','none',...
    'position',[200 150 450 350],...
    'name','實例27');
subplot(2,2,1)
sphere
shading flat
camlight left
camlight right
lighting flat
colorbar
axis off
title('Figure1')

subplot(2,2,2)
sphere
shading flat
camlight left
camlight right
lighting gouraud
colorbar
axis off
title('Figure2')

subplot(2,2,3)
sphere
shading interp
camlight right
camlight left
lighting phong
colorbaraxis off
title('Figure3')

subplot(2,2,4)
sphere
shading flat
camlight left
camlight right
lighting none
colorbar
axis off
title('Figure4')