Turn it sideways because its easier to see and turn on polyframe. You can confirm this yourself with your cylinder. It has to be one polygon wide in the display but the masking is crisp, if you've sharpened or set intensity to -100, because its the vertices that are masked, not the polygons. The "feathered" polygons show the boundary between vertices that are masked or unmasked. You can only color the attached polygons. However you can't color/shade a vertex and display it because it has no area. Masking is like painting, in the sense that it is applied at the vertex level, not on polygons. If you saw someone on video doing this cleanly with no feathering it's because they were working on a much higher density mesh, as already mentioned.
Masks in zbrush spill over like this to adjoining faces that are linked to another face by an edge or a vert by nature you're not doing anything wrong. That is the workflow and there is no preventing this sort of thing because it's how the software works at such a low poly resolution.Īlternatively and what I personally do is to create tight edgeloops bordering any area you want masked like this so that the feathered edge spills over onto only that edge loop, as long as you make it it's own polygroup the above mentioned method of masking a polygroup will be as tight of a tolerance as you're going to get here. When you're done you merge it back down into your piece and weld any points by creating new edge loops and verts to match the topology. Once only those polygons are selected and masked you can split those off int a new subtool and any editing you do to those will be constrained entirely to those parts without spilling over at all to any adjoining verts, edges or faces.
Zbrush hide masked how to#
To answer your question on how to prevent this, you'd make a polygroup out of the polys you want mask using zmodeler and hit spacebar while hovering over a face and select "mask" with target "polygroup all" in the options then click a face on that polygroup.
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