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BMesh Operators (bmesh.ops)

This module gives access to low level bmesh operations.

Most operators take input and return output, they can be chained together to perform useful operations.

Note

This API us new in 2.65 and not yet well tested.

Operator Example

This script shows how operators can be used to model a link of a chain.

# This script uses bmesh operators to make 2 links of a chain.

import bpy
import bmesh
import math
import mathutils

# Make a new BMesh
bm = bmesh.new()

# Add a circle XXX, should return all geometry created, not just verts.
bmesh.ops.create_circle(
        bm,
        cap_ends=False,
        diameter=0.2,
        segments=8)


# Spin and deal with geometry on side 'a'
edges_start_a = bm.edges[:]
geom_start_a = bm.verts[:] + edges_start_a
ret = bmesh.ops.spin(
        bm,
        geom=geom_start_a,
        angle=math.radians(180.0),
        steps=8,
        axis=(1.0, 0.0, 0.0),
        cent=(0.0, 1.0, 0.0))
edges_end_a = [ele for ele in ret["geom_last"]
               if isinstance(ele, bmesh.types.BMEdge)]
del ret


# Extrude and create geometry on side 'b'
ret = bmesh.ops.extrude_edge_only(
        bm,
        edges=edges_start_a)
geom_extrude_mid = ret["geom"]
del ret


# Collect the edges to spin XXX, 'extrude_edge_only' could return this.
verts_extrude_b = [ele for ele in geom_extrude_mid
                   if isinstance(ele, bmesh.types.BMVert)]
edges_extrude_b = [ele for ele in geom_extrude_mid
                   if isinstance(ele, bmesh.types.BMEdge) and ele.is_boundary]
bmesh.ops.translate(
        bm,
        verts=verts_extrude_b,
        vec=(0.0, 0.0, 1.0))


# Create the circle on side 'b'
ret = bmesh.ops.spin(
        bm,
        geom=verts_extrude_b + edges_extrude_b,
        angle=-math.radians(180.0),
        steps=8,
        axis=(1.0, 0.0, 0.0),
        cent=(0.0, 1.0, 1.0))
edges_end_b = [ele for ele in ret["geom_last"]
               if isinstance(ele, bmesh.types.BMEdge)]
del ret


# Bridge the resulting edge loops of both spins 'a & b'
bmesh.ops.bridge_loops(
        bm,
        edges=edges_end_a + edges_end_b)


# Now we have made a links of the chain, make a copy and rotate it
# (so this looks something like a chain)

ret = bmesh.ops.duplicate(
        bm,
        geom=bm.verts[:] + bm.edges[:] + bm.faces[:])
geom_dupe = ret["geom"]
verts_dupe = [ele for ele in geom_dupe if isinstance(ele, bmesh.types.BMVert)]
del ret

# position the new link
bmesh.ops.translate(
        bm,
        verts=verts_dupe,
        vec=(0.0, 0.0, 2.0))
bmesh.ops.rotate(
        bm,
        verts=verts_dupe,
        cent=(0.0, 1.0, 0.0),
        matrix=mathutils.Matrix.Rotation(math.radians(90.0), 3, 'Z'))

# Done with creating the mesh, simply link it into the scene so we can see it

# Finish up, write the bmesh into a new mesh
me = bpy.data.meshes.new("Mesh")
bm.to_mesh(me)
bm.free()


# Add the mesh to the scene
scene = bpy.context.scene
obj = bpy.data.objects.new("Object", me)
scene.objects.link(obj)

# Select and make active
scene.objects.active = obj
obj.select = True
bmesh.ops.smooth_vert(bm, verts, mirror_clip_x, mirror_clip_y, mirror_clip_z, clip_dist, use_axis_x, use_axis_y, use_axis_z)

Vertex Smooth.

Smooths vertices by using a basic vertex averaging scheme.

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • verts (list of (bmesh.types.BMVert)) – input vertices
  • mirror_clip_x (bool) – set vertices close to the x axis before the operation to 0
  • mirror_clip_y (bool) – set vertices close to the y axis before the operation to 0
  • mirror_clip_z (bool) – set vertices close to the z axis before the operation to 0
  • clip_dist (float) – clipping threshold for the above three slots
  • use_axis_x (bool) – smooth vertices along X axis
  • use_axis_y (bool) – smooth vertices along Y axis
  • use_axis_z (bool) – smooth vertices along Z axis
bmesh.ops.smooth_laplacian_vert(bm, verts, lambda, lambda_border, use_x, use_y, use_z, preserve_volume)

Vertext Smooth Laplacian.

Smooths vertices by using Laplacian smoothing propose by. Desbrun, et al. Implicit Fairing of Irregular Meshes using Diffusion and Curvature Flow.

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • verts (list of (bmesh.types.BMVert)) – input vertices
  • lambda (float) – lambda param
  • lambda_border (float) – lambda param in border
  • use_x (bool) – Smooth object along X axis
  • use_y (bool) – Smooth object along Y axis
  • use_z (bool) – Smooth object along Z axis
  • preserve_volume (bool) – Apply volume preservation after smooth
bmesh.ops.recalc_face_normals(bm, faces, use_flip)

Right-Hand Faces.

Computes an “outside” normal for the specified input faces.

Parameters:
bmesh.ops.region_extend(bm, geom, use_constrict, use_faces)

Region Extend.

used to implement the select more/less tools. this puts some geometry surrounding regions of geometry in geom into geom.out.

if use_faces is 0 then geom.out spits out verts and edges, otherwise it spits out faces.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.rotate_edges(bm, edges, use_ccw)

Edge Rotate.

Rotates edges topologically. Also known as “spin edge” to some people. Simple example: [/] becomes [|] then [\].

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • edges (list of (bmesh.types.BMEdge)) – input edges
  • use_ccw (bool) – rotate edge counter-clockwise if true, otherwise clockwise
Returns:
Return type:

dict with string keys
bmesh.ops.reverse_faces(bm, faces)

Reverse Faces.

Reverses the winding (vertex order) of faces. This has the effect of flipping the normal.

Parameters:
bmesh.ops.bisect_edges(bm, edges, cuts)

Edge Bisect.

Splits input edges (but doesn’t do anything else). This creates a 2-valence vert.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.mirror(bm, geom, matrix, merge_dist, axis, mirror_u, mirror_v)

Mirror.

Mirrors geometry along an axis. The resulting geometry is welded on using merge_dist. Pairs of original/mirrored vertices are welded using the merge_dist parameter (which defines the minimum distance for welding to happen).

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • geom (list of (bmesh.types.BMVert, bmesh.types.BMEdge, bmesh.types.BMFace)) – input geometry
  • matrix (mathutils.Matrix) – matrix defining the mirror transformation
  • merge_dist (float) – maximum distance for merging. does no merging if 0.
  • axis (int) – the axis to use, 0, 1, or 2 for x, y, z
  • mirror_u (bool) – mirror UVs across the u axis
  • mirror_v (bool) – mirror UVs across the v axis
Returns:
Return type:

dict with string keys
bmesh.ops.find_doubles(bm, verts, keep_verts, dist)

Find Doubles.

Takes input verts and find vertices they should weld to. Outputs a mapping slot suitable for use with the weld verts bmop.

If keep_verts is used, vertices outside that set can only be merged with vertices in that set.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.remove_doubles(bm, verts, dist)

Remove Doubles.

Finds groups of vertices closer then dist and merges them together, using the weld verts bmop.

Parameters:
bmesh.ops.automerge(bm, verts, dist)

Auto Merge.

Finds groups of vertices closer then dist and merges them together, using the weld verts bmop. The merges must go from a vert not in verts to one in verts.

Parameters:
bmesh.ops.collapse(bm, edges)

Collapse Connected.

Collapses connected vertices

Parameters:
bmesh.ops.pointmerge_facedata(bm, verts, vert_snap)

Face-Data Point Merge.

Merge uv/vcols at a specific vertex.

Parameters:
bmesh.ops.average_vert_facedata(bm, verts)

Average Vertices Facevert Data.

Merge uv/vcols associated with the input vertices at the bounding box center. (I know, it’s not averaging but the vert_snap_to_bb_center is just too long).

Parameters:
bmesh.ops.pointmerge(bm, verts, merge_co)

Point Merge.

Merge verts together at a point.

Parameters:
bmesh.ops.collapse_uvs(bm, edges)

Collapse Connected UV’s.

Collapses connected UV vertices.

Parameters:
bmesh.ops.weld_verts(bm, targetmap)

Weld Verts.

Welds verts together (kind-of like remove doubles, merge, etc, all of which use or will use this bmop). You pass in mappings from vertices to the vertices they weld with.

Parameters:
bmesh.ops.create_vert(bm, co)

Make Vertex.

Creates a single vertex; this bmop was necessary for click-create-vertex.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.join_triangles(bm, faces, cmp_sharp, cmp_uvs, cmp_vcols, cmp_materials, limit)

Join Triangles.

Tries to intelligently join triangles according to various settings and stuff.

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • faces (list of (bmesh.types.BMFace)) – input geometry.
  • cmp_sharp (bool) – Undocumented.
  • cmp_uvs (bool) – Undocumented.
  • cmp_vcols (bool) – Undocumented.
  • cmp_materials (bool) – Undocumented.
  • limit (float) – Undocumented.
Returns:
Return type:

dict with string keys
bmesh.ops.contextual_create(bm, geom, mat_nr, use_smooth)

Contextual Create.

This is basically F-key, it creates new faces from vertices, makes stuff from edge nets, makes wire edges, etc. It also dissolves faces.

Three verts become a triangle, four become a quad. Two become a wire edge.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.bridge_loops(bm, edges, use_merge, merge_factor)

Bridge edge loops with faces.

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • edges (list of (bmesh.types.BMEdge)) – input edge
  • use_merge (bool) – Undocumented.
  • merge_factor (float) – Undocumented.
Returns:
Return type:

dict with string keys
bmesh.ops.edgenet_fill(bm, edges, restrict, use_restrict, use_fill_check, exclude_faces, mat_nr, use_smooth)

Edge Net Fill.

Create faces defined by enclosed edges.

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • edges (list of (bmesh.types.BMEdge)) – input edge
  • restrict (dict mapping vert/edge/face types to bool) – Undocumented.
  • use_restrict (bool) – Undocumented.
  • use_fill_check (bool) – Undocumented.
  • exclude_faces (list of (bmesh.types.BMFace)) – list of faces to ignore for manifold check
  • mat_nr (int) – material to use
  • use_smooth (bool) – material to use
Returns:
Return type:

dict with string keys
bmesh.ops.edgenet_prepare(bm, edges)

Edgenet Prepare.

Identifies several useful edge loop cases and modifies them so they’ll become a face when edgenet_fill is called. The cases covered are:

  • One single loop; an edge is added to connect the ends
  • Two loops; two edges are added to connect the endpoints (based on the shortest distance between each endpont).
Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.rotate(bm, cent, matrix, verts)

Rotate.

Rotate vertices around a center, using a 3x3 rotation matrix.

Parameters:
bmesh.ops.translate(bm, vec, verts)

Translate.

Translate vertices by an offset.

Parameters:
bmesh.ops.scale(bm, vec, verts)

Scale.

Scales vertices by an offset.

Parameters:
bmesh.ops.transform(bm, matrix, verts)

Transform.

Transforms a set of vertices by a matrix. Multiplies the vertex coordinates with the matrix.

Parameters:
bmesh.ops.object_load_bmesh(bm, scene, object)

Object Load BMesh.

Loads a bmesh into an object/mesh. This is a “private” bmop.

Parameters:
bmesh.ops.bmesh_to_mesh(bm, mesh, object, skip_tessface)

BMesh to Mesh.

Converts a bmesh to a Mesh. This is reserved for exiting editmode.

Parameters:
bmesh.ops.mesh_to_bmesh(bm, mesh, object, use_shapekey)

Mesh to BMesh.

Load the contents of a mesh into the bmesh. this bmop is private, it’s reserved exclusively for entering editmode.

Parameters:
bmesh.ops.extrude_discrete_faces(bm, faces)

Individual Face Extrude.

Extrudes faces individually.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.extrude_edge_only(bm, edges)

Extrude Only Edges.

Extrudes Edges into faces, note that this is very simple, there’s no fancy winged extrusion.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.extrude_vert_indiv(bm, verts)

Individual Vertex Extrude.

Extrudes wire edges from vertices.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.connect_verts(bm, verts)

Connect Verts.

Split faces by adding edges that connect verts.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.extrude_face_region(bm, geom, edges_exclude, use_keep_orig)

Extrude Faces.

Extrude operator (does not transform)

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.dissolve_verts(bm, verts)

Dissolve Verts.

Parameters:
bmesh.ops.dissolve_edges(bm, edges, use_verts)

Dissolve Edges.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.dissolve_edge_loop(bm, edges)

Dissolve Edge Loop.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.dissolve_faces(bm, faces, use_verts)

Dissolve Faces.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.dissolve_limit(bm, angle_limit, use_dissolve_boundaries, verts, edges)

Limited Dissolve.

Dissolve planar faces and co-linear edges.

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • angle_limit (float) – total rotation angle (radians)
  • use_dissolve_boundaries (bool) – Undocumented.
  • verts (list of (bmesh.types.BMVert)) – Undocumented.
  • edges (list of (bmesh.types.BMEdge)) – Undocumented.
bmesh.ops.triangulate(bm, faces, use_beauty)

Triangulate.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.unsubdivide(bm, verts, iterations)

Un-Subdivide.

Reduce detail in geometry containing grids.

Parameters:
bmesh.ops.subdivide_edges(bm, edges, smooth, fractal, along_normal, cuts, seed, custom_patterns, edge_percents, quad_corner_type, use_grid_fill, use_single_edge, use_only_quads, use_sphere)

Subdivide Edges.

Advanced operator for subdividing edges with options for face patterns, smoothing and randomization.

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • edges (list of (bmesh.types.BMEdge)) – Undocumented.
  • smooth (float) – Undocumented.
  • fractal (float) – Undocumented.
  • along_normal (float) – Undocumented.
  • cuts (int) – Undocumented.
  • seed (int) – Undocumented.
  • custom_patterns (dict mapping vert/edge/face types to unknown internal data, not compatible with python) – uses custom pointers
  • edge_percents (dict mapping vert/edge/face types to float) – Undocumented.
  • quad_corner_type (int) – quad corner type, see bmesh_operators.h
  • use_grid_fill (bool) – fill in fully-selected faces with a grid
  • use_single_edge (bool) – tessellate the case of one edge selected in a quad or triangle
  • use_only_quads (bool) – only subdivide quads (for loopcut)
  • use_sphere (bool) – for making new primitives only
Returns:
Return type:

dict with string keys
bmesh.ops.delete(bm, geom, context)

Delete Geometry.

Utility operator to delete geometry.

Parameters:
bmesh.ops.duplicate(bm, geom, dest)

Duplicate Geometry.

Utility operator to duplicate geometry, optionally into a destination mesh.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.split(bm, geom, dest, use_only_faces)

Split Off Geometry.

Disconnect geometry from adjacent edges and faces, optionally into a destination mesh.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.spin(bm, geom, cent, axis, dvec, angle, steps, use_duplicate)

Spin.

Extrude or duplicate geometry a number of times, rotating and possibly translating after each step

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.similar_faces(bm, faces, type, thresh, compare)

Similar Faces Search.

Find similar faces (area/material/perimeter, ...).

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • faces (list of (bmesh.types.BMFace)) – input faces
  • type (int) – type of selection
  • thresh (float) – threshold of selection
  • compare (int) – comparison method
Returns:
Return type:

dict with string keys
bmesh.ops.similar_edges(bm, edges, type, thresh, compare)

Similar Edges Search.

Find similar edges (length, direction, edge, seam, ...).
Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • edges (list of (bmesh.types.BMEdge)) – input edges
  • type (int) – type of selection
  • thresh (float) – threshold of selection
  • compare (int) – comparison method
Returns:
Return type:

dict with string keys
bmesh.ops.similar_verts(bm, verts, type, thresh, compare)

Similar Verts Search.

Find similar vertices (normal, face, vertex group, ...).

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • verts (list of (bmesh.types.BMVert)) – input vertices
  • type (int) – type of selection
  • thresh (float) – threshold of selection
  • compare (int) – comparison method
Returns:
Return type:

dict with string keys
bmesh.ops.rotate_uvs(bm, faces, use_ccw)

UV Rotation.

Cycle the loop UV’s

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • faces (list of (bmesh.types.BMFace)) – input faces
  • use_ccw (bool) – rotate counter-clockwise if true, otherwise clockwise
bmesh.ops.reverse_uvs(bm, faces)

UV Reverse.

Reverse the UV’s

Parameters:
bmesh.ops.rotate_colors(bm, faces, use_ccw)

Color Rotation.

Cycle the loop colors

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • faces (list of (bmesh.types.BMFace)) – input faces
  • use_ccw (bool) – rotate counter-clockwise if true, otherwise clockwise
bmesh.ops.reverse_colors(bm, faces)

Color Reverse

Reverse the loop colors.

Parameters:
bmesh.ops.shortest_path(bm, vert_start, vert_end, type)

Shortest Path.

Select the shortest path between 2 verts.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.split_edges(bm, edges, verts, use_verts)

Edge Split.

Disconnects faces along input edges.

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • edges (list of (bmesh.types.BMEdge)) – input edges
  • verts (list of (bmesh.types.BMVert)) – optional tag verts, use to have greater control of splits
  • use_verts (bool) – use ‘verts’ for splitting, else just find verts to split from edges
Returns:
Return type:

dict with string keys
bmesh.ops.create_grid(bm, x_segments, y_segments, size, matrix)

Create Grid.

Creates a grid with a variable number of subdivisions

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • x_segments (int) – number of x segments
  • y_segments (int) – number of y segments
  • size (float) – size of the grid
  • matrix (mathutils.Matrix) – matrix to multiply the new geometry with
Returns:
Return type:

dict with string keys
bmesh.ops.create_uvsphere(bm, u_segments, v_segments, diameter, matrix)

Create UV Sphere.

Creates a grid with a variable number of subdivisions

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • u_segments (int) – number of u segments
  • v_segments (int) – number of v segment
  • diameter (float) – diameter
  • matrix (mathutils.Matrix) – matrix to multiply the new geometry with
Returns:
Return type:

dict with string keys
bmesh.ops.create_icosphere(bm, subdivisions, diameter, matrix)

Create Ico-Sphere.

Creates a grid with a variable number of subdivisions

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • subdivisions (int) – how many times to recursively subdivide the sphere
  • diameter (float) – diameter
  • matrix (mathutils.Matrix) – matrix to multiply the new geometry with
Returns:
Return type:

dict with string keys
bmesh.ops.create_monkey(bm, matrix)

Create Suzanne.

Creates a monkey (standard blender primitive).

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.create_cone(bm, cap_ends, cap_tris, segments, diameter1, diameter2, depth, matrix)

Create Cone.

Creates a cone with variable depth at both ends

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • cap_ends (bool) – whether or not to fill in the ends with faces
  • cap_tris (bool) – fill ends with triangles instead of ngons
  • segments (int) – Undocumented.
  • diameter1 (float) – diameter of one end
  • diameter2 (float) – diameter of the opposite
  • depth (float) – distance between ends
  • matrix (mathutils.Matrix) – matrix to multiply the new geometry with
Returns:
Return type:

dict with string keys
bmesh.ops.create_circle(bm, cap_ends, cap_tris, segments, diameter, matrix)

Creates a Circle.

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • cap_ends (bool) – whether or not to fill in the ends with faces
  • cap_tris (bool) – fill ends with triangles instead of ngons
  • segments (int) – Undocumented.
  • diameter (float) – diameter of one end
  • matrix (mathutils.Matrix) – matrix to multiply the new geometry with
Returns:
Return type:

dict with string keys
bmesh.ops.create_cube(bm, size, matrix)

Create Cube

Creates a cube.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.bevel(bm, geom, offset, segments)

Bevel.

Bevels edges and vertices

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.beautify_fill(bm, faces, constrain_edges)

Beautify Fill.

Rotate edges to create more evenly spaced triangles.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.triangle_fill(bm, edges)

Triangle Fill.

Fill edges with triangles

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.solidify(bm, geom, thickness)

Solidify.

Turns a mesh into a shell with thickness

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.inset(bm, faces, use_boundary, use_even_offset, use_relative_offset, thickness, depth, use_outset)

Face Inset.

Inset or outset faces.

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • faces (list of (bmesh.types.BMFace)) – input faces
  • use_boundary (bool) – Undocumented.
  • use_even_offset (bool) – Undocumented.
  • use_relative_offset (bool) – Undocumented.
  • thickness (float) – Undocumented.
  • depth (float) – Undocumented.
  • use_outset (bool) – Undocumented.
Returns:
Return type:

dict with string keys
bmesh.ops.wireframe(bm, faces, use_boundary, use_even_offset, use_crease, thickness, use_relative_offset, depth)

Wire Frame.

Makes a wire-frame copy of faces.

Parameters:
  • bm (bmesh.types.BMesh) – The bmesh to operate on.
  • faces (list of (bmesh.types.BMFace)) – input faces
  • use_boundary (bool) – Undocumented.
  • use_even_offset (bool) – Undocumented.
  • use_crease (bool) – Undocumented.
  • thickness (float) – Undocumented.
  • use_relative_offset (bool) – Undocumented.
  • depth (float) – Undocumented.
Returns:
Return type:

dict with string keys
bmesh.ops.slide_vert(bm, vert, edges, factor)

Vertex Slide.

Translates verts along an edge

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.convex_hull(bm, input, use_existing_faces)

Convex Hull

Builds a convex hull from the vertices in ‘input’.

If ‘use_existing_faces’ is true, the hull will not output triangles that are covered by a pre-existing face.

All hull vertices, faces, and edges are added to ‘geom.out’. Any input elements that end up inside the hull (i.e. are not used by an output face) are added to the ‘interior_geom’ slot. The ‘unused_geom’ slot will contain all interior geometry that is completely unused. Lastly, ‘holes_geom’ contains edges and faces that were in the input and are part of the hull.

Parameters:
Returns:
Return type:

dict with string keys
bmesh.ops.symmetrize(bm, input, direction)

Symmetrize.

Makes the mesh elements in the “input” slot symmetrical. Unlike normal mirroring, it only copies in one direction, as specified by the “direction” slot. The edges and faces that cross the plane of symmetry are split as needed to enforce symmetry.

All new vertices, edges, and faces are added to the “geom.out” slot.

Parameters:
Returns:
Return type:

dict with string keys

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