"surf" overwrites axis properties

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Danny Kumpf
Danny Kumpf am 7 Jan. 2020
Kommentiert: Danny Kumpf am 15 Jan. 2020
I think I'm missing something simple here. I'm running this code:
fig = figure;
ax = axes('Parent',fig);
ax.DataAspectRatio = [1 1 1];
ax.XGrid = 'On';
ax.YGrid = 'On';
ax.ZGrid = 'On';
ylabel('y-axis');
zlabel('z-axis');
xlabel('x-axis');
view(3); % Here, the axes have equal aspect ratio and are labeled
[x, y, z] = sphere;
surf(ax, x, y, z); % when this line executes, the aspect ratio changes and the labels disappear
As indicated in the comments, the "surf" command seems to be overriding my axis properties for some reason. If I check the axis object, the properties are still there (ie, calling ax.DataAspectRatio will show [1 1 1], but on the viewable plot, the aspect ratio changes).
Thanks.
  2 Kommentare
darova
darova am 7 Jan. 2020
try
hold on
Danny Kumpf
Danny Kumpf am 7 Jan. 2020
That seems to work, though I don't understand why. Do you know what's going on behind the scenes with the axis object to make it work like this?

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Walter Roberson
Walter Roberson am 7 Jan. 2020

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Allen
Allen am 7 Jan. 2020
Try reordering your properties so that they are assigned after you use the surf function.
fig = figure;
ax = axes('Parent',fig);
[x, y, z] = sphere;
surf(ax, x, y, z); % when this line executes, the aspect ratio changes and the labels disappear
% Assign axes properties after plot functions since they tend to refer to default properties upon first use.
ax.DataAspectRatio = [1 1 1];
ax.XGrid = 'On';
ax.YGrid = 'On';
ax.ZGrid = 'On';
ylabel('y-axis');
zlabel('z-axis');
xlabel('x-axis');
view(3); % Here, the axes have equal aspect ratio and are labeled

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