Surface

class compas.geometry.Surface

Bases: Geometry

Class representing a general surface object.

Parameters:

namestr, optional

The name of the surface.

Attributes:

framecompas.geometry.Frame

The local coordinate system of the surface. Default is the world coordinate system.

transformationcompas.geometry.Transformation, read-only

The transformation from the surface’s local coordinate system to the world coordinate system.

domain_utuple[float, float], read-only

The parameter domain of the surface in the U direction.

domain_vtuple[float, float], read-only

The parameter domain of the surface in the V direction.

is_periodic_ubool, read-only

Flag indicating if the surface is periodic in the U direction.

is_periodic_vbool, read-only

Flag indicating if the surface is periodic in the V direction.

Methods

aabb	Compute the axis aligned bounding box of the surface.
boundary	Compute the boundary curves of the surface.
closest_point	Compute the closest point on the curve to a given point.
curvature_at	Compute the curvature at a point on the surface.
frame_at	Compute the local frame at a point on the curve.
from_obj	Load a surface from an OBJ file.
from_plane	Construct a surface from a plane.
from_step	Load a surface from a STP file.
intersections_with_curve	Compute the intersections with a curve.
intersections_with_line	Compute the intersections with a line.
intersections_with_plane	Compute the intersections with a plane.
isocurve_u	Compute the isoparametric curve at parameter u.
isocurve_v	Compute the isoparametric curve at parameter v.
normal_at	Compute a normal at a point on the surface.
obb	Compute the oriented bounding box of the surface.
point_at	Compute a point on the surface.
pointgrid	Compute point locations corresponding to evenly spaced parameters over the surface domain.
space_u	Compute evenly spaced parameters over the surface domain in the U direction.
space_v	Compute evenly spaced parameters over the surface domain in the V direction.
to_brep	Convert the surface to a BREP representation.
to_mesh	Convert the surface to a mesh.
to_polyhedron	Convert the surface to a polyhedron.
to_quads	Convert the surface to a list of quads.
to_step	Write the surface geometry to a STP file.
to_tesselation	Convert the surface to a triangle mesh.
to_triangles	Convert the surface to a list of triangles.
to_vertices_and_faces	Convert the surface to a list of vertices and faces.
transform	Transform the local coordinate system of the surface.

Inherited Methods

ToString	Converts the instance to a string.
compute_aabb	Compute the axis-aligned bounding box of the geometry.
compute_obb	Compute the oriented bounding box of the geometry.
copy	Make an independent copy of the data object.
from_json	Construct an object of this type from a JSON file.
from_jsonstring	Construct an object of this type from a JSON string.
rotate	Rotate the geometry.
rotated	Returns a rotated copy of this geometry.
scale	Scale the geometry.
scaled	Returns a scaled copy of this geometry.
sha256	Compute a hash of the data for comparison during version control using the sha256 algorithm.
to_json	Convert an object to its native data representation and save it to a JSON file.
to_jsonstring	Convert an object to its native data representation and save it to a JSON string.
transformed	Returns a transformed copy of this geometry.
translate	Translate the geometry.
translated	Returns a translated copy of this geometry.
validate_data	Validate the data against the object's data schema.