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Bug introduced in V10.4 and fixed in 10.4.1

Suppose we have the following array from which we intend to create an ArrayMesh:

arr = {{{1, 1, 1}, {1, 0, 1}, {1, 1, 0}}, {{1, 1, 1}, {0, 1, 1}, {1, 1, 
   0}}, {{0, 1, 0}, {0, 1, 1}, {0, 0, 1}}};

If we create the ArrayMesh and use one of the styling Options in this case MeshCellStyle, the color is not evenly applied:

ArrayMesh[arr, MeshCellStyle -> {{2, All} -> Yellow}]

Mathematica graphics

And as you manipulate this mesh object it flickers like crazy:

enter image description here

This does not happen if you use HighlightMesh to style it:

HighlightMesh[ArrayMesh[arr], {Style[2, Yellow]}]

Mathematica graphics.

Can anyone reproduce this behavior. Note that ArrayMesh is new in 10.4. I'm using Windows 10 64bit

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    $\begingroup$ Can reproduce this new kind of craziness in 10.4 on Win 10-64bit-NVIDIA gpu.... $\endgroup$
    – PlatoManiac
    Commented Apr 5, 2016 at 21:41
  • $\begingroup$ @PlatoManiac. I see what you did there :). $\endgroup$
    – RunnyKine
    Commented Apr 5, 2016 at 21:43
  • $\begingroup$ Same result on Windows 7 32bit using V10.4. $\endgroup$
    – xyz
    Commented Apr 6, 2016 at 3:51
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    $\begingroup$ @BrettChampion, Is there a reason for removing the bug tag? $\endgroup$
    – RunnyKine
    Commented Apr 6, 2016 at 17:07
  • $\begingroup$ Just to let you know, I removed the version tag in accordance with the current bugs policy here. $\endgroup$
    – Michael E2
    Commented Apr 20, 2016 at 11:18

1 Answer 1

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This is an artifact in Graphics3D rendering (Z-fighting) which is generally difficult to avoid when using a depth buffer.

While ArrayMesh is new in 10.4, you would see similar behavior if you did copy and paste the result into an older version.

As a possible workaround, try

SetOptions[$FrontEnd, 
   RenderingOptions -> {"Graphics3DRenderingEngine" -> "BSPTree"}]
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  • $\begingroup$ @RunnyKine Good point, I've removed that suggestion, since it is not general enough. $\endgroup$
    – ilian
    Commented Apr 7, 2016 at 3:04
  • $\begingroup$ Thanks. Have you seen this ? $\endgroup$
    – RunnyKine
    Commented Apr 7, 2016 at 3:06

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