Determine the intersection coordinates between a 3D object and an infinite plane
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Hi! I would like to know if there is a way to determine the intersection coordinates between a reported 3D geometry (tube) and an infinite plane. That is, determine the coordinates where the red line is in the image.
NODES = importdata("NODES.mat");
FACES = importdata("FACES.mat");
P = [24.3377 -21.8635 81.9835];
plane = [0.1385 0.0645 0.9883];
a = plane(1);
b = plane(2);
c = plane(3);
d = dot(plane,P);
figure
plot3(P(:,1),P(:,2),P(:,3),'k.','Markersize',20);
hold on
% plot3(NODES(:,1),NODES(:,2),NODES(:,3),'b.','Markersize',3)
trimesh(FACES(:,:),NODES(:,1),NODES(:,2),NODES(:,3),'EdgeColor','k','Linewidth',0.1,'Facecolor','b','FaceAlpha',.4)
f_1 = fimplicit3(@(x,y,z) a*x+b*y+z*c-d);
hold off
axis equal
zlim([70 90])
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