Mesh

class Mesh(GraphicEntity)

Introduced in DXF version R13 (AC1012), dxftype is MESH.

3D mesh entity similar to the Polyface entity. Create Mesh in layouts and blocks by factory function add_mesh().

All points in WCS as (x, y, z) tuples

DXF Attributes for Mesh

Common DXF Attributes for DXF R13 or later

Mesh.dxf.version
Mesh.dxf.blend_crease

0 = off, 1 = on

Mesh.dxf.subdivision_levels

int >= 0, 0 = no smoothing

Mesh Methods

Mesh.edit_data()

Context manager various mesh data, returns MeshData.

MeshData

class MeshData
MeshData.vertices

A standard Python list with (x, y, z) tuples (read/write)

MeshData.faces

A standard Python list with (v1, v2, v3,…) tuples (read/write)

Each face consist of a list of vertex indices (= index in MeshData.vertices).

MeshData.edges

A standard Python list with (v1, v2) tuples (read/write)

Each edge consist of exact two vertex indices (= index in MeshData.vertices).

MeshData.edge_crease_values

A standard Python list of float values, one value for each edge. (read/write)

MeshData.add_face(vertices)

Add a face by coordinates, vertices is a list of (x, y, z) tuples.

MeshData.add_edge(vertices)

Add an edge by coordinates, vertices is a list of two (x, y, z) tuples.

MeshData.optimize(precision=6)

Tries to reduce vertex count by merging near vertices. precision defines the decimal places for coordinate be equal to merge two vertices.