How do I hold the second to last image of the simulation?
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Allison Bushman
am 10 Dez. 2018
Beantwortet: Image Analyst
am 10 Dez. 2018
hold on
axis equal
axis off
b = 0:pi/40:pi/4;
c = 0:pi/20:pi/2;
P4vct=nan(numel(b),2);
for k = 1:numel(b)
P1=[-15,0];
P2=[-5,0];
plot([P1(1) P2(1)],[P1(2) P2(2)],'LineWidth',5,'Color','black');
A=[0,0];
h{1} = viscircles(A,5,'LineWidth',2,'Color','black');
B = A+[10*cos(b(k)-pi/4),10*sin(b(k)-pi/4)];
h{2} = viscircles(B,5,'LineWidth',2,'Color','green');
C = B+[10*cos(c(k)-pi/2),10*sin(c(k)-pi/2)];
h{3} = viscircles(C,5,'LineWidth',2,'Color','blue');
P3=C+[5*cos(c(k)-(pi/2)),5*sin(c(k)-(pi/2))];
P4=C+[15*cos(c(k)-(pi/2)),15*sin(c(k)-(pi/2))];
h{4} = plot([P3(1) P4(1)],[P3(2) P4(2)],'LineWidth',5,'Color','black');
P4vct(k,:) = P4;
h{5} = plot(P4vct(:,1),P4vct(:,2), '--','LineWidth',3,'Color','blue');
drawnow();
pause(0.5);
delete(vertcat(h{1:4}));
end
hold off
axis equal
axis off
2 Kommentare
Walter Roberson
am 10 Dez. 2018
"hold" it in what sense? You want the last two frames to be displayed on top of each other at the end, but during the main part of the loop only one frame is to be displayed at a time??
Akzeptierte Antwort
Image Analyst
am 10 Dez. 2018
At the bottom of the loop, only call delete() if it's not the last one:
if k < numel(b)
delete(vertcat(h{1:4}));
end
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