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How can I make points show through a surface plot?

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Samuel Harvey
Samuel Harvey 2021-7-28
评论： Samuel Harvey 2021-7-28
I have code that makes a centerline (left) then creates a surface around that centerline (right). I'd like the centerline points to show through the surface so I can still see them while I rotate it around. How can I do this?
Edit: To be more clear, I am specifically not looking for the entire surface to be transparent. I don't want to see the back side of the surface showing through, just the centerline.

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Chunru
Chunru 2021-7-28
Ran in:
% Plot a sphere and a line
[x, y, z] = sphere;
h = surf(x, y, z);
hold on
plot3(-1:1, zeros(3,1), zeros(3,1), 'r', 'LineWidth', 3);
h.FaceAlpha = 0.5; % make it transparent to see inside
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Chunru
Chunru 2021-7-28
Ran in:
Then you can use two axes:
ax1 = axes('XLim', [-1,1], 'YLim', [-1,1], 'ZLim', [-1,1]);
view(3);
ax2 = copyobj(ax1, gcf);
[x,y,z]=sphere;
h = surf(ax1, x, y, z)
h =
Surface with properties: EdgeColor: [0 0 0] LineStyle: '-' FaceColor: 'flat' FaceLighting: 'flat' FaceAlpha: 1 XData: [21×21 double] YData: [21×21 double] ZData: [21×21 double] CData: [21×21 double] Show all properties
plot3(ax2, -1:1, zeros(3,1), zeros(3,1), 'r', 'LineWidth', 3);
axes(ax2);
box off
axis off

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