Result of the simple method in online noise reduction

[leye123]

By looking through the documentation, I found that this is somewhat similar to the relax function, but the effect I implemented in my local code is not the same as the online version.

MeshRelaxParams = mm.MeshRelaxParams() MeshRelaxParams.iterations = 100 MeshRelaxParams.force = 0.5 MeshRelaxParams.limitNearInitial = True MeshRelaxParams.maxInitialDist = 0.3 success = mm.relax(mesh2, MeshRelaxParams)

[Grantim]

Hello!

It seems that you have MeshRelaxParams.limitNearInitial = True in code, while False in UI, could it be the issue?
Could you please provide the mesh and code sample so we could reproduce it on our end?

[leye123]

Hello, I tried setting MeshRelaxParams.limitNearInitial to False, but I found that in the online environment it scales towards the center less than it does locally. In the zip, 'local' is run on my computer, and 'online' is on the server.
models.zip

[Grantim]

Thanks, the is happening because we only relax inner vertices for open meshes in UI, so script like this should work the same as UI:

from meshlib import mrmeshpy as mm

mesh = mm.loadMesh(__file__+"/../thicken_mesh.stl")

innerVerts = mm.getInnerVerts(mesh.topology,mesh.topology.getValidFaces())

rParams = mm.MeshRelaxParams()
rParams.force = 0.5
rParams.hardSmoothTetrahedrons = False
rParams.iterations = 100
rParams.limitNearInitial = False
rParams.region = innerVerts
mm.relax(mesh,rParams)

mm.saveMesh(mesh,__file__+"/../thicken_mesh_src.stl")

[leye123]

Thank you, this is very important for my work.

[leye123]

I have another question. When I use makeThickMesh on a mesh to get a single-sided offset and obtain mesh2, and then invert the normals of the mesh, I tried to merge the two online, but the model just disappears. What’s going on?

single-sided offset
`

stl_file_path = "../newData/data/9/splitarea.stl"
mesh = mm.loadMesh(stl_file_path)
params = mm.ThickenParams()
params.insideOffset = 0
params.outsideOffset = 2
mesh2 = mm.makeThickMesh(mesh, params)
outerFaces = mesh2.topology.getValidFaces() - mesh.topology.getValidFaces()
innerFaces = mesh2.topology.getValidFaces() - outerFaces
mesh2.deleteFaces(outerFaces)
mm.saveMesh(mesh2, "mesh2.stl")

`

2025-11-28.16-38-11.mp4

[Grantim]

Union operation is performing boolean union operation for these two meshes. But what you need is actually "Combine" that just merges two components into single mesh without any geometry processing. Or you can use another option in Union, like this:

[leye123]

Thank you for your reply.