CADJOINT
Overview
Getting started
Guides
Modelling
Meshing
Simulation
Materials
Optimization
Rendering
Plugins
Flow solver
Playground
API reference
API reference
Parameters and geometry
Parameters
geometry.Parameter
geometry.Scalar
geometry.Vector
geometry.Vector2
geometry.as_parameter
geometry.deduplicate_params
Parameter extraction
extract_parameters
apply_parameters
Sketches and construction
Sketches
construction.SketchPlane
construction.PolygonProfile
Features
construction.extrude
construction.revolve
construction.loft
construction.Solid
construction.ConstructionPrimitive
Face references
construction.Face
construction.FaceSet
construction.Feature
construction.Axis
Constraints
Constraint types
constraints.Constraint
constraints.DistanceConstraint
constraints.AngleConstraint
constraints.HorizontalConstraint
constraints.VerticalConstraint
constraints.CoincidentConstraint
constraints.FixedConstraint
constraints.EqualLengthConstraint
constraints.PointOnLineConstraint
constraints.ParallelConstraint
constraints.PerpendicularConstraint
constraints.ParallelEdgesConstraint
constraints.PerpendicularEdgesConstraint
Solving and projection
solve_constraints
constraints.satisfy_constraints
constraints.constraint_residuals
constraints.project_to_manifold
constraints.make_manifold_projection
constraints.project_bounds
constraints.make_bounds_projection
Degrees of freedom
constraints.all_parameters
constraints.total_dof_reduction
constraints.build_residual_fn
constraints.compute_param_vector
constraints.unpack_param_vector
constraints.null_space
constraints.NullSpaceMap
Solids
Base class
SDF
Primitives
sdf.Primitive
sdf.Box
sdf.RoundBox
sdf.Sphere
sdf.Cylinder
sdf.Capsule
sdf.Torus
sdf.Plane
sdf.primitives.ExtrudedPolygon
sdf.primitives.RevolvedPolygon
sdf.primitives.LoftedPolygon
sdf.primitives.polygon_sdf_2d
Booleans
sdf.Union
sdf.Intersection
sdf.Difference
sdf.Xor
sdf.BooleanOp
sdf.union
sdf.intersection
sdf.difference
sdf.xor
sdf.smooth_min
sdf.smooth_max
Transforms
sdf.Translate
sdf.Rotate
sdf.Scale
sdf.Twist
sdf.Shell
sdf.Offset
sdf.Mirror
sdf.shell
sdf.offset
sdf.mirror
Patterns
sdf.LinearPattern
sdf.PolarPattern
sdf.linear_pattern
sdf.polar_pattern
Measure
sdf.volume
sdf.material_mass
Functionalize and parametrization
Functionalize
functionalize
functionalize_scene
functionalize.functionalize_parametric
functionalize.functionalize_scene_parametric
Parametrization
to_unconstrained
to_constrained
compute_param_scales
normalize
unnormalize
to_normalized
from_normalized
Meshing
Extraction
meshing.extract_mesh
meshing.Mesh
meshing.GridSpec
meshing.sample_grid
meshing.find_crossing_edges
meshing.CrossingEdges
meshing.edge_hermite_data
meshing.HermiteData
meshing.detect_edges
meshing.qef_vertices
meshing.sharp_qef_vertices
meshing.dual_faces
Sharp features
meshing.classify_feature_cells
meshing.FeatureCells
meshing.cell_edge_incidence
meshing.manifold_cell_incidence
meshing.CellIncidence
meshing.feature_cell_links
meshing.active_branches
meshing.detect_branch_changes
meshing.exact_feature_mask
meshing.ScenePatchFields
meshing.scene_patch_fields
meshing.world_frame_leaves
meshing.signature_function
meshing.patch_signatures
Adaptive extraction and simplification
meshing.surface_cells
meshing.sparse_crossing_edges
meshing.bounds.fit_bounds
meshing.bounds.boundary_inside
meshing.simplify_mesh
Export and diagnostics
meshing.save_obj
meshing.save_stl
meshing.save_step
meshing.remove_slivers
meshing.merge_planar_faces
meshing.mesh_report
meshing.surface_deviation
meshing.triangle_quality
meshing.self_intersections
Simulation
Meshes
fem.SimMesh
fem.HexMesh
fem.TetMesh
fem.sdf_to_hex_mesh
fem.sdf_to_tet_mesh
fem.recompute_points
fem.recompute_tet_points
fem.project_points
fem.Discretization
fem.Surface
fem.FaceGroup
fem.select_faces
fem.faces_from_nodes
fem.tet_faces_from_nodes
Mesh quality
fem.scaled_jacobians
fem.aspect_ratios
fem.corner_tet_volumes
fem.tet_aspect_ratios
fem.tet_radius_ratios
Studies
fem.ThermalStudy
fem.ElasticStudy
fem.SimulationResult
fem.ThermalProblem
fem.ElasticProblem
studies.capture_studies
studies.declared_studies
studies.register_study
fem.capture_sim_meshes
Boundary conditions
fem.Dirichlet
fem.HeatFlux
fem.Fixed
fem.Traction
Node selections
studies.Nodes
studies.NodeSelection
studies.selection_from_description
studies.boundary_node_mask
studies.BoundaryMesh
Material properties
fem.properties.sample_material_field
fem.properties.sample_cell_property
fem.properties.maybe_sample_cell_property
fem.properties.cell_centroids
fem.properties.cell_volumes
fem.properties.total_mass
fem.properties.quantize_to_materials
Solver backends
fem.backends.SolverBackend
fem.backends.get_backend
fem.backends.register_backend
fem.backends.available_backends
Gmsh tet meshing
fem.gmsh.gmsh_available
fem.gmsh.gmsh_version
fem.gmsh.sdf_gmsh_tet_mesh
fem.gmsh.gmsh_tet_mesh
fem.gmsh.tet_mesh_from_gmsh
fem.gmsh.GmshMesh
fem.gmsh.GmshTetMesh
fem.gmsh.gmsh_topology
fem.gmsh.dc_surface_stl
fem.gmsh.surface_stl
fem.gmsh.patch_table
fem.gmsh.design_values
fem.gmsh.snap_toward_patches
fem.gmsh.assign_ownership
fem.gmsh.owned_nodes
Optimization
optimize.Optimization
optimize.OptimizationRun
optimize.capture_optimizations
Materials
Material
materials.catalogue
materials.aluminium_6061
materials.copper_c11000
materials.steel_1018
materials.titanium_ti6al4v
materials.fr4
materials.silicon
materials.thermal_pad
materials.pla
Rendering and shader compilation
Forward renderer
render.Scene
render.Camera
render.RenderSettings
render.render_scene
render.render_raymarched
render.raymarch
render.make_gradient_sky
Construction overlay
render.project_points
render.draw_profile
render.draw_plane
Shader compilation
backends.compile_sdf_to_wgsl
backends.compile_scene_to_wgsl
backends.wgsl.compile_scene_with_uniforms
backends.wgsl.ShaderProgram
backends.wgsl.ShaderParameter
Notebook viewer
viewer.widget.SDFViewer
Plugins and extension contracts
Plugins
plugins.Plugin
plugins.PythonPlugin
plugins.TesseractPlugin
plugins.Capabilities
plugins.PluginProbe
plugins.PluginMismatch
plugins.PluginConfigError
plugins.Differentiable
Registry and configuration
plugins.PluginRegistry
plugins.PluginSpec
plugins.registry
plugins.set_registry
plugins.get_plugin
plugins.plugin_for_kind
plugins.register_plugin
plugins.available_plugins
plugins.build_registry
plugins.builtin_specs
plugins.entry_point_specs
plugins.load_config
plugins.parse_config
plugins.config_path
plugins.runtime_scratch
plugins.scratch_root
Extension contracts
plugins.NodeMap
plugins.FeatureEdges
plugins.BRepExtractor
plugins.StepExporter
plugins.Drag
plugins.OwnedNodes
plugins.EdgeSet
plugins.DragOutcome
Flow solver (prototype)
Domain and solve
flow.FlowGrid
flow.solid_fraction
flow.sample_solid_fraction
flow.FlowConfig
flow.FlowResult
flow.solve
flow.convergence
flow.recommended_alpha_max
flow.SteadyOptions
flow.steady_populations
flow.iterate_to_steady
flow.unrolled_populations
flow.residual_history
Flow studies
flow.FlowStudy
flow.FlowStudyResult
flow.Inlet
flow.Outlet
flow.Walls
flow.HeatSource
flow.HeldTemperature
flow.region_mask
Energy equation
flow.EnergyConfig
flow.solve_temperature
flow.conductivity
Objectives
flow.pressure_drop
flow.heat_transfer_proxy
flow.thermal_resistance
flow.peak_temperature
flow.mean_temperature
flow.bulk_outlet_temperature
flow.energy_imbalance
flow.fields
flow.pressure
Lattice
flow.equilibrium
flow.macroscopic
flow.stream
flow.step
flow.step_for
flow.initial_populations
flow.bounce_back_mask
flow.duct_walls
flow.omega_from_viscosity
flow.viscosity_from_omega
Utilities
Compilation cache
cache.enable_compilation_cache
cache.cache_directory
cache.prune_compilation_cache
cache.min_compile_seconds
Option sets
enums.Option
enums.MeshMethod
enums.TetMesher
enums.StudyKind
enums.BoundaryConditionType
enums.Side
enums.ObjectiveMetric
enums.OptimizerMethod
enums.OptimizationArgument
enums.GradientPath
enums.Precision
enums.ConstraintKind
enums.ConstraintSolveMethod
enums.ExportFormat
enums.FemBackend
enums.PluginKind
enums.PluginTransport
enums.values
enums.listed
enums.either
enums.parse
Tier availability
tier.status
tier.available
tier.require
tier.component
tier.message
tier.report
tier.absent
tier.TierUnavailable
tier.TierStatus
tier.KindStatus
Playground payload schema (internal)
viewer.schema.CompilePayload
viewer.schema.ConstructionNode
viewer.schema.ConstructionElement
viewer.schema.ConstructionArgument
viewer.schema.ConstructionFace
viewer.schema.ConstructionPlane
viewer.schema.ConstructionVertex
viewer.schema.ConstructionConstraint
viewer.schema.ConstructionRelation
viewer.schema.ConstructionOperator
viewer.schema.ConstructionTransform
viewer.schema.ConstraintSolverRun
viewer.schema.PlaneReference
viewer.schema.FaceOwner
viewer.schema.DomainEntry
viewer.schema.IdentityEntry
viewer.schema.MaterialDefinition
viewer.schema.SimMeshPayload
viewer.schema.MeshEdgePayload
viewer.schema.StudyPayload
viewer.schema.StudySelection
viewer.schema.StudyBc
viewer.schema.OptimizationPayload
viewer.schema.PatchAddress
viewer.schema.PatchRequest
viewer.schema.PatchResponse
viewer.schema.ExportRequest
viewer.schema.validate_patch_request
viewer.schema.typescript_source
On this page
sdf.difference
sdf.difference
sdf.difference
Difference boolean operation.