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Geoshell of a Geograft Problem

JamesJames Posts: 1,025
edited June 2023 in Daz Studio Discussion

There's a small area of a geograft, I want to make a geoshell out of it. But when I made one out of it, the outer edges of the geoshell becomes roundish.
Not a perfect shape of the geograft.
as if the edges were smoothed.
But geograft doesn't' have the option for smoothing.
So what's the solution?

Post edited by James on

Comments

  • felisfelis Posts: 4,311
    edited June 2023

    If I understand your problem right, it is not caused by smoothing, but by geometry.

    The shell will keep a distance to the underlaying mesh, but if you have a corner the mesh is pushed in 2 directions. It will be translated along the vertex normal.

    E.g. if you have a cube with a geoshell, the geoshell vertex on the edge will only be 70% (Sqrt(2)/2) above the surface in each direction compared to other vertices.

    Post edited by felis on
  • JamesJames Posts: 1,025

    So what that means?
    It's natural?
    And a geoshel can't be made from a geograft without compromise?

  • felisfelis Posts: 4,311

    I will say it is the nature of a geoshell.

    A geoshell is a copy of the underlaying mesh with a given offset. But the offset is based on the normals and if you have sharp corners it will affact the normals, and therefore the direction of the offset.

    Try if you can post an image of your problem, as there might be other solutions.

  • Richard HaseltineRichard Haseltine Posts: 100,776
    edited June 2023

    The Geometry Shell is identical to the underlying mesh, but it gets a Push Modifier with a default positive value to keep the two from being coincident (which renders don't generally like, certainly not Iray). The Push Modifier can be weight-mapped (via Create>Push Modifier Weight node) to exclude or reduce the effect on certain areas, which may help.

    Post edited by Richard Haseltine on
  • crosswindcrosswind Posts: 6,926

    I'm a bit lost... A geoshell has no geometry, let alone 'vertex' or 'mesh'. I never succeed in editing a shell with Geometry Editor. Also I don't think a 'weight' could be generated on a Geoshell with any weigh node...

    If I'm right, the OP should manipulate the geograft's geometry with morphing techniques other than the geoshell...

  • Richard HaseltineRichard Haseltine Posts: 100,776

    True, sorry - I thought I had done that in the past.

  • crosswindcrosswind Posts: 6,926

    Richard Haseltine said:

    True, sorry - I thought I had done that in the past.

    You're my true role model ! yes yes

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