Inserting slice into a scatter 3D plot

Question

Keith Holmlund 2018-7-5

1
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/409014-inserting-slice-into-a-scatter-3d-plot

编辑： Star Strider 2018-7-6

I have been able to generate a scatter3 plot similar to one under visualize a function of 3 variables https://www.mathworks.com/help/matlab/examples/visualizing-four-dimensional-data.html. I would like to insert a slice at a certain z value. To the use the referenced plot as an example, if I wanted to have a transparent red plane at the 30% of Rural Population, how would I generate that

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Answer 1

Star Strider 2018-7-5

1
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/409014-inserting-slice-into-a-scatter-3d-plot#answer_327676

编辑：Star Strider 2018-7-6

在 MATLAB Online 中打开

With respect to that example, add the lines between hold on and hold off in this code to get the plane you want:

scatter3(long,lat,rural,40,fatalities,'filled')    % draw the scatter plot
ax = gca;
ax.XDir = 'reverse';
view(-31,14)
xlabel('W. Longitude')
ylabel('N. Latitude')
zlabel('% Rural Population')
hold on
xl = xlim;
yl = ylim;
patch([[1 1]*xl(1) [1 1]*xl(2)], [yl fliplr(yl)], [1 1 1 1]*30, 'r', 'FaceAlpha',0.2);
hold off