Decimate by Ratio

Reduces the triangle count (QEM decimation), aiming to remove the given share of faces; it never makes the surface cross itself.

Inputs

Mesh Mesh

The mesh to process. Required.

Takes: any block that gives Mesh (14 blocks)
Amount Number

Share of faces to remove, 0 to 1 (default 0.5); 1 removes as many as possible.

Output

Mesh

Used by: any block that takes Mesh (27 blocks)

Properties

Values the block gives besides its output. The editor lists them under Properties, and an input can read one by reference.

Solid Solid

The mesh as a Solid, from its baked signed-distance field.

BoundingBox Bounding Box

The axis-aligned extent of the mesh.

Closed Yes/No

True when the mesh is watertight: it has no open boundary edges.

EdgeManifold Yes/No

True when no edge is shared by more than two faces.

Edges List of Curve

Each distinct mesh edge as a line segment.

FaceCount Number

How many triangles the mesh has.

Oriented Yes/No

True when every triangle is wound the same way as its neighbours.

RemovedPieces Number

How many separate small pieces the block's Remove small pieces took off the mesh it made: pieces with less surface than its Small piece size. Given by Solid to Mesh, Solid to Delaunay Mesh and Remesh (0 where none was removed, or where Remove small pieces is off); not listed for other meshes.

SelfIntersecting Yes/No

True when some pair of non-adjacent faces cross each other.

ShareRemoved Number · %

The volume of the pieces Remove small pieces took off, in percent of the part's: the volume the mesh enclosed before they were removed. Above 1 % the block warns that the part may have fallen apart. Given by Solid to Mesh, Solid to Delaunay Mesh and Remesh; not listed for other meshes.

Tolerance Number · mm

The tolerance the mesh was made at: the largest distance from the Solid's surface it was made within. Given by Solid to Mesh, from its Tolerance or a connected Print Process (Tolerance source says which); not listed for other meshes.

ToleranceSource Text

Where the Tolerance came from: the block's Tolerance (at its default, set, or wired), or a connected Print Process — a third of its Smallest feature, where that is finer. Given by Solid to Mesh; not listed for other meshes.

VertexCount Number

How many vertices the mesh has.

VertexManifold Yes/No

True when the faces around each vertex form one connected fan.

Vertices List of Point

The position of every vertex.

What implicit modeling is

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