можно ли сделать так, что бы сетка отображалась поверх 3D графиков?
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вот например есть график
я хочу что бы сетка была на переднем плане и накладывалась на изображение
4 个评论
Cris LaPierre
2020-11-20
编辑：Cris LaPierre
2020-11-20
"Is it possible to make the grid appear on top of the 3D plots?"
For example, this figure
<image>
I want the grid to be in the foreground and overlay the image
Walter Roberson
2020-11-20
I was going to suggest setting the Layer property but that is only for 2d views
https://www.mathworks.com/help/matlab/ref/matlab.graphics.axis.axes-properties.html#budumk7_sep_shared-Layer
Walter Roberson
2020-11-20
you could perhaps create a second axes with color 'none' on top of the first, with linkaxes so that they rotate the same way, but the empty axes would be visually on top
Pavel Kuzmitsky
2020-11-21
编辑：Pavel Kuzmitsky
2020-11-21
采纳的回答
fig = figure();
ax1 = axes('Parent', fig);
[X, Y] = meshgrid(1:50, 1:60);
Z = X.^2 + Y.^2 - cos(X.*Y);
surf(ax1, X, Y, Z, 'edgecolor', 'none');
ax2 = axes('Parent', fig, 'color', 'none', 'gridalpha', 1);
linkprop([ax1 ax2], {'Position', 'XLim', 'YLim', 'ZLim', 'View'});
grid(ax2, 'on');
Here the grid is on top of the surface. It is a bit difficult to tell that it is not the case that the surface is transparent with the grid below it, but in that case the grid would not appear as dark as it does here.
I would add a surface to this drawing, which would be a transparent grid, that is, the holes in the grid are transparent, and not the grid itself
You would not be able to do that just by using "grid on": there is a single grid alpha that is for the entire grid, with no way to make it selective. You would therefore have to draw the grid, such as using a surface or patch. For example surface with 'EdgeAlpha', 'interp' and 'AlphaData' being a 2D array the same size as ZData.
If you use that, then you do not need two axes: you can use a single axes with SortOrder set to 'childorder' https://blogs.mathworks.com/graphics/2014/11/04/sortmethod/
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