# Two surf plots in the same figure

10 vues (au cours des 30 derniers jours)
Modifié(e) : Voss le 3 Sep 2023
When trying to plot two surf plots in the same figure, surf plots are not displaying. The problem seems as if the axes limits are not getting updated as per the set values. Kindly help me to solve this problem. The following is the code.
figure;
ax = gca;
ax.XLimMode = 'manual';
xlim([-10000 10000]);
ylim([-10000 10000]);
zlim([-10000 10000]);
ra = 0.5;
r1 = [4.662840968803412 -0.597125750259697 -5.446916224720714]*10^03;
r2 = [0.662840968803412 -4.597125750259697 -5.446916224720714]*10^03;
[X1 Y1 Z1] = ellipsoid(r1(1),r1(2),r1(3),ra,ra,ra);
[X2 Y2 Z2] = ellipsoid(r2(1),r2(2),r2(3),ra,ra,ra);
surf(X1,Y1,Z1); hold on;
plot3(r2(1),r2(2),r2(3),'*m'); hold on;
surf(X2,Y2,Z2);
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### Réponse acceptée

Voss le 3 Sep 2023
Modifié(e) : Voss le 3 Sep 2023
"seems as if the axes limits are not getting updated as per the set values"
Set the axes limits after plotting:
figure;
ra = 0.5;
r1 = [4.662840968803412 -0.597125750259697 -5.446916224720714]*10^03;
r2 = [0.662840968803412 -4.597125750259697 -5.446916224720714]*10^03;
[X1 Y1 Z1] = ellipsoid(r1(1),r1(2),r1(3),ra,ra,ra);
[X2 Y2 Z2] = ellipsoid(r2(1),r2(2),r2(3),ra,ra,ra);
surf(X1,Y1,Z1); hold on;
plot3(r2(1),r2(2),r2(3),'*m');
surf(X2,Y2,Z2);
xlim([-10000 10000]);
ylim([-10000 10000]);
zlim([-10000 10000]);
Note that the axes limits are correct, but you don't see the ellipsoids because they are so small (radius = 0.5; axes-limits = [-10000 10000]). If you were to increase their radius, you'd see them:
figure;
ra = 5000;
r1 = [4.662840968803412 -0.597125750259697 -5.446916224720714]*10^03;
r2 = [0.662840968803412 -4.597125750259697 -5.446916224720714]*10^03;
[X1 Y1 Z1] = ellipsoid(r1(1),r1(2),r1(3),ra,ra,ra);
[X2 Y2 Z2] = ellipsoid(r2(1),r2(2),r2(3),ra,ra,ra);
surf(X1,Y1,Z1); hold on;
plot3(r2(1),r2(2),r2(3),'*m');
surf(X2,Y2,Z2);
xlim([-10000 10000]);
ylim([-10000 10000]);
zlim([-10000 10000]);
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