I recently opened a thread discussing the behavior of samples/isosamples with the option hidden3d enabled. My normal use case is to set samples at a multiple of isosamples so that the mesh suggests the shape of the plot with high resolution, without including too many liness that clutter the graph. Due the way hidden3d currently works, however, it is impossible for the line to interpolate between line intersections the way splot works without the hidden3d option. I've been tinkering around with the code, and it is enormously complex. However, I wonder the following: it is currently possible to use hidden3d on contour lines, which are interpolated based on "samples" instead of "isosamples". If the contour lines can be properly hidden with a high sampling rate, then it MUST be possible for mesh lines to do the same.
I would handle this myself, but the code is inscrutable. Could someone more knowledgeable examine this case and give some feedback on its feasibility?
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