Painters renderer results in jagged edges

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I am trying to generate a vector graphics file from a surface plot.
[X,Y] = meshgrid(-1.5:0.1:1.5,-1.5:0.1:1.5);
Z = (abs(X).*(abs(X) > abs(Y)) + abs(Y).*(abs(X) <= abs(Y))).*...
((abs(X) < 1) & (abs(Y) < 1)) + 1.*((abs(X)>=1) | (abs(Y)>=1)) + ...
max(2*X-2,0)-min(2*X+2,0)+max(2*Y-2,0)-min(2*Y+2,0);
fig=figure;
surf(X,Y,Z);
view(gca,[-65 10]);
This results is the plot that I want.
If I switch to Painters in order to save the figure as a vector graphics file, I get jagged edges:
fig.Renderer='Painters';
Any ideas how I can fix this?

Accepted Answer

J. Alex Lee
J. Alex Lee on 29 Jan 2020
What happens if you set "FaceColor" to "interp" (default is "flat") on the surf object? It fixes the jagge edge for me (2017a or b on mac)
[X,Y] = meshgrid(-1.5:0.1:1.5,-1.5:0.1:1.5);
Z = (abs(X).*(abs(X) > abs(Y)) + abs(Y).*(abs(X) <= abs(Y))).*...
((abs(X) < 1) & (abs(Y) < 1)) + 1.*((abs(X)>=1) | (abs(Y)>=1)) + ...
max(2*X-2,0)-min(2*X+2,0)+max(2*Y-2,0)-min(2*Y+2,0);
fig=figure;
s = surf(X,Y,Z);
view(gca,[-65 10]);
s.FaceColor = 'interp'

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