Asset Utilities (.assets.utils)

Geometry (.assets.utils.geometry)

curve

class infinigen.assets.utils.geometry.curve.Curve(points, profile=None, taper=None, closed=False, sharp=None, scale=None)

Bases: object

to_curve_obj(...)

Parameters:

• name -- (default: 'curve')

• resu -- (default: 4)

• curvetype -- (default: 'NURBS')

• extrude -- (default: 0)

• fill_caps -- (default: True)

• to_mesh -- (default: False)

• cleanup -- (default: True)

lofting

class infinigen.assets.utils.geometry.lofting.Skin(ts, profiles, profile_as_points=False, angles=None, surface_params=None)

Bases: object

Defines all the data for a loft mesh besides its skeleton, ie how far and what shape should the mesh extend beyond the structure of the skeleton

N = number of defined profiles along the skeleton M = number of points per profile

Parameters:

• ts (array)

• profiles (array)

• profile_as_points (bool)

• angles (array)

• surface_params (array)

profile_as_points: bool = False

angles: array = None

surface_params: array = None

infinigen.assets.utils.geometry.lofting.factorize_nurbs_handles(handles)

Factorize (n,m,3) handles into a skeleton, radii and relative normalized profiles.

IE, profiles output will all face x axis, and have mean radius ~= 1

Parameters:

handles

infinigen.assets.utils.geometry.lofting.skeleton_to_tangents(skeleton)

Parameters:

skeleton

infinigen.assets.utils.geometry.lofting.compute_profile_verts(...)

Parameters:

• skeleton

• ts

• profiles

• angles -- (default: None)

• profile_as_points -- (default: False)

metaballs

class infinigen.assets.utils.geometry.metaballs.MBallStructure(name, resolution=0.1)

Bases: object

empty_elt(pos, rot, scale)

Parameters:

• pos

• rot

• scale

apply_flags(ele, flags)

Parameters:

• ele

• flags

ellipse(...)

Parameters:

• pos

• rot

• length

• rad

• mode -- (default: 'scale')

• scale -- (default: (1, 1, 1))

• flags -- (default: {})

capsule(...)

Parameters:

• pos

• rot

• length

• rad

• scale -- (default: (1, 1, 1))

• flags -- (default: {})

ball(pos, rad, **kwargs)

Parameters:

• pos

• rad

to_object()

clean()

nurbs

infinigen.assets.utils.geometry.nurbs.compute_cylinder_topology(...)

Parameters:

• n (int)

• m (int)

• uvs -- (default: False)

• cyclic -- (default: True)

• h_neighbors -- (default: None)

infinigen.assets.utils.geometry.nurbs.blender_mesh_from_pydata(...)

Parameters:

• points

• edges

• faces

• uvs -- (default: None)

• name -- (default: 'pydata_mesh')

infinigen.assets.utils.geometry.nurbs.nurbs(...)

Parameters:

• ctrlpts

• method

• face_size -- (default: 0.01)

• debug -- (default: False)

skin_ops

infinigen.assets.utils.geometry.skin_ops.extend_cap(skin, r=1, margin=0)

Parameters:

• skin (Skin)

• r -- (default: 1)

• margin -- (default: 0)

infinigen.assets.utils.geometry.skin_ops.square_cap(s)

Parameters:

s (Skin)

infinigen.assets.utils.geometry.skin_ops.bevel_cap(...)

Parameters:

• s (Skin)

• n (int)

• d (float)

• profile -- (default: 'SPHERE')

infinigen.assets.utils.geometry.skin_ops.symmetrize(s, fac)

Parameters:

• s (Skin)

• fac

infinigen.assets.utils.geometry.skin_ops.outerprod_skin(...)

Parameters:

• ts

• rads

• profile

• profile_as_points -- (default: False)

• add_cap -- (default: True)

infinigen.assets.utils.geometry.skin_ops.random_skin(...)

Parameters:

• rad

• n

• m

• n_params -- (default: 1)

infinigen.assets.utils.geometry.skin_ops.profile_from_thickened_curve(curve_skeleton, widths)

Parameters:

• curve_skeleton (array)

• widths (array)

Module contents

Nodegroups (.assets.utils.nodegroups)

attach

infinigen.assets.utils.nodegroups.attach.nodegroup_surface_muscle(*args, **kwargs)

infinigen.assets.utils.nodegroups.attach.nodegroup_attach_part(*args, **kwargs)

curve

infinigen.assets.utils.nodegroups.curve.nodegroup_simple_tube(*args, **kwargs)

infinigen.assets.utils.nodegroups.curve.nodegroup_simple_tube_v2(*args, **kwargs)

infinigen.assets.utils.nodegroups.curve.nodegroup_smooth_taper(*args, **kwargs)

infinigen.assets.utils.nodegroups.curve.nodegroup_warped_circle_curve(*args, **kwargs)

infinigen.assets.utils.nodegroups.curve.nodegroup_polar_bezier(*args, **kwargs)

infinigen.assets.utils.nodegroups.curve.nodegroup_profile_part(*args, **kwargs)

geometry

infinigen.assets.utils.nodegroups.geometry.nodegroup_symmetric_clone(*args, **kwargs)

infinigen.assets.utils.nodegroups.geometry.nodegroup_solidify(*args, **kwargs)

infinigen.assets.utils.nodegroups.geometry.nodegroup_taper(*args, **kwargs)

hair

infinigen.assets.utils.nodegroups.hair.nodegroup_comb_direction(*args, **kwargs)

infinigen.assets.utils.nodegroups.hair.nodegroup_hair_position(*args, **kwargs)

infinigen.assets.utils.nodegroups.hair.nodegroup_comb_hairs(*args, **kwargs)

infinigen.assets.utils.nodegroups.hair.nodegroup_strand_noise(*args, **kwargs)

infinigen.assets.utils.nodegroups.hair.nodegroup_duplicate_to_clumps(*args, **kwargs)

infinigen.assets.utils.nodegroups.hair.nodegroup_hair_length_rescale(*args, **kwargs)

infinigen.assets.utils.nodegroups.hair.nodegroup_snap_roots_to_surface(*args, **kwargs)

math

infinigen.assets.utils.nodegroups.math.nodegroup_floor_ceil(*args, **kwargs)

infinigen.assets.utils.nodegroups.math.nodegroup_clamp_or_wrap(*args, **kwargs)

infinigen.assets.utils.nodegroups.math.nodegroup_polar_to_cart(*args, **kwargs)

infinigen.assets.utils.nodegroups.math.nodegroup_switch4(*args, **kwargs)

infinigen.assets.utils.nodegroups.math.nodegroup_deg2_rad(*args, **kwargs)

infinigen.assets.utils.nodegroups.math.nodegroup_aspect_to_dim(*args, **kwargs)

infinigen.assets.utils.nodegroups.math.nodegroup_vector_sum(*args, **kwargs)

infinigen.assets.utils.nodegroups.math.nodegroup_vector_bezier(*args, **kwargs)

sculpt_v1

shader

infinigen.assets.utils.nodegroups.shader.nodegroup_color_mask(*args, **kwargs)

Module contents

autobevel

class infinigen.assets.utils.autobevel.BevelSharp(mult=1, angle_min_deg=70, segments=None)

Bases: object

bbox_from_mesh

infinigen.assets.utils.bbox_from_mesh.box_from_corners(min_corner, max_corner)

Parameters:

• min_corner

• max_corner

infinigen.assets.utils.bbox_from_mesh.bbox_mesh_from_hipoly(gen, inst_seed, use_pholder=False)

Parameters:

• gen (AssetFactory)

• inst_seed (int)

• use_pholder -- (default: False)

decorate

infinigen.assets.utils.decorate.multi_res(obj)

Parameters:

obj

infinigen.assets.utils.decorate.geo_extension(...)

Parameters:

• nw (NodeWrangler)

• noise_strength -- (default: 0.2)

• noise_scale -- (default: 2.0)

• musgrave_dimensions -- (default: '3D')

infinigen.assets.utils.decorate.subsurface2face_size(obj, face_size)

Parameters:

• obj

• face_size

infinigen.assets.utils.decorate.read_selected(obj, domain='VERT')

Parameters:

• obj

• domain -- (default: 'VERT')

infinigen.assets.utils.decorate.read_co(obj)

Parameters:

obj

infinigen.assets.utils.decorate.read_edges(obj)

Parameters:

obj

infinigen.assets.utils.decorate.read_edge_center(obj)

Parameters:

obj

infinigen.assets.utils.decorate.read_edge_direction(obj)

Parameters:

obj

infinigen.assets.utils.decorate.read_edge_length(obj)

Parameters:

obj

infinigen.assets.utils.decorate.read_center(obj)

Parameters:

obj

infinigen.assets.utils.decorate.read_normal(obj)

Parameters:

obj

infinigen.assets.utils.decorate.read_area(obj)

Parameters:

obj

infinigen.assets.utils.decorate.read_loop_vertices(obj)

Parameters:

obj

infinigen.assets.utils.decorate.read_loop_edges(obj)

Parameters:

obj

infinigen.assets.utils.decorate.read_uv(obj)

Parameters:

obj

infinigen.assets.utils.decorate.write_uv(obj, arr)

Parameters:

• obj

• arr

infinigen.assets.utils.decorate.read_base_co(obj)

Parameters:

obj

infinigen.assets.utils.decorate.write_co(obj, arr)

Parameters:

• obj

• arr

infinigen.assets.utils.decorate.read_material_index(obj)

Parameters:

obj

infinigen.assets.utils.decorate.read_loop_starts(obj)

Parameters:

obj

infinigen.assets.utils.decorate.read_loop_totals(obj)

Parameters:

obj

infinigen.assets.utils.decorate.write_material_index(obj, arr)

Parameters:

• obj

• arr

infinigen.assets.utils.decorate.set_shade_smooth(obj)

Parameters:

obj

infinigen.assets.utils.decorate.displace_vertices(obj, fn)

Parameters:

• obj

• fn

infinigen.assets.utils.decorate.remove_vertices(obj, to_delete)

Parameters:

• obj

• to_delete

infinigen.assets.utils.decorate.remove_edges(obj, to_delete)

Parameters:

• obj

• to_delete

infinigen.assets.utils.decorate.remove_faces(obj, to_delete, remove_loose=True)

Parameters:

• obj

• to_delete

• remove_loose -- (default: True)

infinigen.assets.utils.decorate.select_vertices(obj, to_select)

Parameters:

• obj

• to_select

infinigen.assets.utils.decorate.select_edges(obj, to_select)

Parameters:

• obj

• to_select

infinigen.assets.utils.decorate.select_faces(obj, to_select)

Parameters:

• obj

• to_select

infinigen.assets.utils.decorate.write_attribute(...)

Parameters:

• obj

• fn

• name

• domain -- (default: 'POINT')

• data_type -- (default: 'FLOAT')

infinigen.assets.utils.decorate.distance2boundary(obj)

Parameters:

obj

infinigen.assets.utils.decorate.mirror(obj, axis=0)

Parameters:

• obj

• axis -- (default: 0)

infinigen.assets.utils.decorate.subsurf(obj, levels, simple=False)

Parameters:

• obj

• levels

• simple -- (default: False)

infinigen.assets.utils.decorate.subdivide_edge_ring(...)

Parameters:

• obj

• cuts -- (default: 64)

• axis -- (default: (0, 0, 1))

infinigen.assets.utils.decorate.solidify(obj, axis, thickness)

Parameters:

• obj

• axis

• thickness

infinigen.assets.utils.decorate.decimate(points, n)

Parameters:

• points

• n

draw

infinigen.assets.utils.draw.shape_by_angles(...)

Parameters:

• obj

• angles

• scales -- (default: None)

• displacements -- (default: None)

• method -- (default: 'quadratic')

infinigen.assets.utils.draw.shape_by_xs(...)

Parameters:

• obj

• xs

• displacements

• method -- (default: 'quadratic')

infinigen.assets.utils.draw.surface_from_func(...)

Parameters:

• fn

• div_x -- (default: 16)

• div_y -- (default: 16)

• size_x -- (default: 2)

• size_y -- (default: 2)

infinigen.assets.utils.draw.bezier_curve(...)

Parameters:

• anchors

• vector_locations -- (default: ())

• resolution -- (default: None)

• to_mesh -- (default: True)

infinigen.assets.utils.draw.align_bezier(...)

Parameters:

• anchors

• axes -- (default: None)

• scale -- (default: None)

• vector_locations -- (default: ())

• resolution -- (default: None)

• to_mesh -- (default: True)

infinigen.assets.utils.draw.remesh_fill(obj, resolution=0.005)

Parameters:

• obj

• resolution -- (default: 0.005)

infinigen.assets.utils.draw.spin(...)

Parameters:

• anchors

• vector_locations -- (default: ())

• resolution -- (default: None)

• rotation_resolution -- (default: None)

• axis -- (default: (0, 0, 1))

• loop -- (default: False)

• dupli -- (default: False)

infinigen.assets.utils.draw.leaf(...)

Parameters:

• x_anchors

• y_anchors

• vector_locations -- (default: ())

• subdivision -- (default: 64)

• face_size -- (default: None)

infinigen.assets.utils.draw.cut_plane(...)

Parameters:

• obj

• cut_center

• cut_normal

• clear_outer -- (default: True)

infinigen.assets.utils.draw.make_circular_interp(...)

Parameters:

• low

• high

• n

• fn -- (default: <built-in method uniform of numpy.random.mtrand.RandomState object>)

extract_nodegroup_parts

infinigen.assets.utils.extract_nodegroup_parts.extract_nodegroup_geo(...)

Parameters:

• target_obj

• nodegroup

• k

• ng_params -- (default: None)

joints

infinigen.assets.utils.joints.nodegroup_add_jointed_geometry_metadata(*args, **kwargs)

infinigen.assets.utils.joints.nodegroup_hinge_joint(*args, **kwargs)

infinigen.assets.utils.joints.nodegroup_sliding_joint(*args, **kwargs)

infinigen.assets.utils.joints.nodegroup_duplicate_joints_on_parent(*args, **kwargs)

infinigen.assets.utils.joints.nodegroup_distance_from_center(*args, **kwargs)

laplacian

infinigen.assets.utils.laplacian.build_laplacian_3d(...)

Parameters:

• n -- (default: 32)

• t -- (default: 800)

• k -- (default: 2.0)

• dt -- (default: 0.0005)

• tau -- (default: 0.0003)

• eps -- (default: 0.01)

• alpha -- (default: 0.9)

• gamma -- (default: 10.0)

• teq -- (default: 1.0)

mesh

infinigen.assets.utils.mesh.build_convex_mesh(n=6, height=0.2, tilt=0.2)

Parameters:

• n -- (default: 6)

• height -- (default: 0.2)

• tilt -- (default: 0.2)

infinigen.assets.utils.mesh.polygon_angles(n, min_angle=0.524, max_angle=2.094)

Parameters:

• n

• min_angle -- (default: 0.524)

• max_angle -- (default: 2.094)

infinigen.assets.utils.mesh.longest_ray(obj, obj_, direction)

Parameters:

• obj

• obj

• direction

infinigen.assets.utils.mesh.treeify(obj)

Parameters:

obj

infinigen.assets.utils.mesh.convert2ls(obj)

Parameters:

obj

infinigen.assets.utils.mesh.fix_tree(obj)

Parameters:

obj

infinigen.assets.utils.mesh.bevel(obj, width, **kwargs)

Parameters:

• obj

• width

infinigen.assets.utils.mesh.canonicalize_ls(line)

Parameters:

line

infinigen.assets.utils.mesh.canonicalize_mls(mls)

Parameters:

mls

infinigen.assets.utils.mesh.separate_selected(obj, face=False)

Parameters:

• obj

• face -- (default: False)

infinigen.assets.utils.mesh.snap_mesh(obj, eps=0.001)

Parameters:

• obj

• eps -- (default: 0.001)

infinigen.assets.utils.mesh.prepare_for_boolean(obj)

Parameters:

obj

misc

class infinigen.assets.utils.misc.CountInstance(name)

Bases: object

static count_instance()

infinigen.assets.utils.misc.sample_direction(min_z)

Parameters:

min_z

infinigen.assets.utils.misc.subclasses(cls)

infinigen.assets.utils.misc.make_normalized_factory(cls)

infinigen.assets.utils.misc.make_circular_angle(xs)

Parameters:

xs

infinigen.assets.utils.misc.make_circular(xs)

Parameters:

xs

infinigen.assets.utils.misc.toggle_hide(obj, recursive=True)

Parameters:

• obj

• recursive -- (default: True)

infinigen.assets.utils.misc.toggle_show(obj, recursive=True)

Parameters:

• obj

• recursive -- (default: True)

infinigen.assets.utils.misc.assign_material(obj, material)

Parameters:

• obj

• material

infinigen.assets.utils.misc.generate_text()

nodegroup

infinigen.assets.utils.nodegroup.geo_radius(...)

Parameters:

• nw (NodeWrangler)

• radius

• resolution -- (default: 6)

• merge_distance -- (default: 0.004)

• rotation -- (default: 0)

• to_align_tilt -- (default: True)

• align_tilt_axis -- (default: (0, 0, 1))

infinigen.assets.utils.nodegroup.geo_selection(nw, selection)

Parameters:

• nw (NodeWrangler)

• selection

infinigen.assets.utils.nodegroup.geo_base_selection(...)

Parameters:

• nw (NodeWrangler)

• base_obj

• selection

• merge_threshold -- (default: 0)

infinigen.assets.utils.nodegroup.align_tilt(...)

Parameters:

• nw (NodeWrangler)

• curve

• axis -- (default: (1, 0, 0))

• noise_strength -- (default: 0)

• noise_scale -- (default: 0.5)

object

infinigen.assets.utils.object.center(obj)

Parameters:

obj

infinigen.assets.utils.object.origin2lowest(...)

Parameters:

• obj

• vertical -- (default: False)

• centered -- (default: False)

• approximate -- (default: False)

infinigen.assets.utils.object.origin2leftmost(obj)

Parameters:

obj

infinigen.assets.utils.object.data2mesh(...)

Parameters:

• vertices -- (default: ())

• edges -- (default: ())

• faces -- (default: ())

• name -- (default: '')

infinigen.assets.utils.object.mesh2obj(mesh)

Parameters:

mesh

infinigen.assets.utils.object.trimesh2obj(trimesh)

Parameters:

trimesh

infinigen.assets.utils.object.obj2trimesh(obj)

Parameters:

obj

infinigen.assets.utils.object.new_cube(**kwargs)

infinigen.assets.utils.object.new_bbox(...)

Parameters:

• x

• x

• y

• y

• z

• z

infinigen.assets.utils.object.new_bbox_2d(...)

Parameters:

• x

• x

• y

• y

• z -- (default: 0)

infinigen.assets.utils.object.new_icosphere(**kwargs)

infinigen.assets.utils.object.new_circle(**kwargs)

infinigen.assets.utils.object.new_base_circle(**kwargs)

infinigen.assets.utils.object.new_empty(**kwargs)

infinigen.assets.utils.object.new_plane(**kwargs)

infinigen.assets.utils.object.new_cylinder(**kwargs)

infinigen.assets.utils.object.new_base_cylinder(**kwargs)

infinigen.assets.utils.object.new_grid(**kwargs)

infinigen.assets.utils.object.new_line(subdivisions=1, scale=1.0)

Parameters:

• subdivisions -- (default: 1)

• scale -- (default: 1.0)

infinigen.assets.utils.object.join_objects(obj)

Parameters:

obj

infinigen.assets.utils.object.separate_loose(obj)

Parameters:

obj

physics

class infinigen.assets.utils.physics.EnablePhysics(actives, passives)

Bases: object

infinigen.assets.utils.physics.free_fall(...)

Parameters:

• actives

• passives

• place_fn

• t -- (default: 100)

reaction_diffusion

infinigen.assets.utils.reaction_diffusion.reaction_diffusion(...)

Parameters:

• obj

• weight_fn

• steps -- (default: 1000)

• dt -- (default: 1.0)

• scale -- (default: 0.5)

• diff_a -- (default: 0.18)

• diff_b -- (default: 0.09)

• feed_rate -- (default: 0.055)

• kill_rate -- (default: 0.062)

• perturb -- (default: 0.05)

infinigen.assets.utils.reaction_diffusion.feed2kill(feed)

Parameters:

feed

infinigen.assets.utils.reaction_diffusion.make_periodic_weight_fn(n_instances, stride=0.1)

Parameters:

• n_instances

• stride -- (default: 0.1)

shapes

infinigen.assets.utils.shapes.is_valid_polygon(p)

Parameters:

p

infinigen.assets.utils.shapes.simplify_polygon(p)

Parameters:

p

infinigen.assets.utils.shapes.cut_polygon_by_line(polygon, *args)

Parameters:

polygon

infinigen.assets.utils.shapes.safe_polygon2obj(poly, reversed=False, z=0)

Parameters:

• poly

• reversed -- (default: False)

• z -- (default: 0)

infinigen.assets.utils.shapes.polygon2obj(...)

Parameters:

• p

• reversed -- (default: False)

• z -- (default: 0)

• dissolve -- (default: True)

infinigen.assets.utils.shapes.point_normal_up(obj, reversed=False)

Parameters:

• obj

• reversed -- (default: False)

infinigen.assets.utils.shapes.dissolve_limited(obj)

Parameters:

obj

infinigen.assets.utils.shapes.obj2polygon(obj)

Parameters:

obj

infinigen.assets.utils.shapes.buffer(p, distance)

Parameters:

• p

• distance

infinigen.assets.utils.shapes.segment_filter(mls, margin)

Parameters:

• mls

• margin

shortest_path

infinigen.assets.utils.shortest_path.geo_shortest_path(...)

Parameters:

• nw (NodeWrangler)

• end_index

• weight

• trim_threshold -- (default: 0.1)

• offset -- (default: 0.0)

• merge_threshold -- (default: 0.005)

• subdiv -- (default: 0)

uv

infinigen.assets.utils.uv.face_corner2faces(obj)

Parameters:

obj

infinigen.assets.utils.uv.unwrap_faces(obj, selection=None)

Parameters:

• obj

• selection -- (default: None)

infinigen.assets.utils.uv.compute_uv_direction(...)

Parameters:

• obj

• x -- (default: 'x')

• y -- (default: 'y')

• selection -- (default: None)

infinigen.assets.utils.uv.wrap_sides(...)

Parameters:

• obj

• material

• axes

• xs

• ys

• groupings -- (default: None)

• selection -- (default: None)

infinigen.assets.utils.uv.wrap_front_back(...)

Parameters:

• obj

• surface

• shared -- (default: True)

infinigen.assets.utils.uv.wrap_top_bottom(...)

Parameters:

• obj

• surface

• shared -- (default: True)

infinigen.assets.utils.uv.wrap_front_back_side(...)

Parameters:

• obj

• surface

• shared -- (default: True)

infinigen.assets.utils.uv.wrap_four_sides(...)

Parameters:

• obj

• surface

• shared -- (default: True)

infinigen.assets.utils.uv.wrap_six_sides(...)

Parameters:

• obj

• surface

• shared -- (default: True)

infinigen.assets.utils.uv.unwrap_normal(...)

Parameters:

• obj

• selection -- (default: None)

• axis -- (default: None)

• axis -- (default: None)

Module contents