RhinoNurbsSurface

class compas_rhino.geometry.RhinoNurbsSurface(*args, **kwargs)[source]

Class representing a NURBS surface.

Attributes

points (List[List[Point]]) – The control points of the surface.
weights (List[List[float]]) – The weights of the control points.
u_knots (List[float]) – The knot vector, in the U direction, without duplicates.
v_knots (List[float]) – The knot vector, in the V direction, without duplicates.
u_mults (List[int]) – The multiplicities of the knots in the knot vector of the U direction.
v_mults (List[int]) – The multiplicities of the knots in the knot vector of the V direction.
u_degree (int) – The degree of the polynomials in the U direction.
v_degree (int) – The degree of the polynomials in the V direction.
u_domain (Tuple[float, float]) – The parameter domain in the U direction.
v_domain (Tuple[float, float]) – The parameter domain in the V direction.
is_u_periodic (bool) – True if the surface is periodic in the U direction.
is_v_periodic (bool) – True if the surface is periodic in the V direction.

Attributes

`data`	The representation of the object as native Python data.
`is_u_periodic`
`is_v_periodic`
`points`
`u_degree`
`u_domain`
`u_knots`
`u_knotsequence`
`u_mults`
`v_degree`
`v_domain`
`v_knots`
`v_knotsequence`
`v_mults`
`weights`

Inherited Attributes

`DATASCHEMA`	The schema of the data of this object.
`JSONSCHEMA`	The schema of the JSON representation of the data of this object.
`JSONSCHEMANAME`
`dtype`	The type of the object in the form of a '2-level' import and a class name.
`guid`	The globally unique identifier of the object.
`jsondefinitions`	Reusable schema definitions.
`jsonstring`	The representation of the object data in JSON format.
`jsonvalidator`	JSON schema validator for draft 7.
`name`	The name of the object.

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_data`	Construct a BSpline surface from its data representation.
`from_fill`	Construct a NURBS surface from the infill between two NURBS curves.
`from_parameters`	Construct a NURBS surface from explicit parameters.
`from_points`	Construct a NURBS surface from control points.
`from_rhino`	Construct a NURBS surface from an existing Rhino surface.
`from_step`	Load a NURBS surface from a STP file.
`point_at`	Compute a point on the surface.
`to_step`	Write the surface geometry to a STP file.
`u_isocurve`	Compute the isoparametric curve at parameter u.
`v_isocurve`	Compute the isoparametric curve at parameter v.

Inherited Methods

`copy`	Make an independent copy of the surface.
`from_json`	Construct an object from serialized data contained in a JSON file.
`from_jsonstring`	Construct an object from serialized data contained in a JSON string.
`from_meshgrid`	Construct a NURBS surface from a mesh grid.
`intersections_with_line`	Compute the intersections with a line.
`obb`	Compute the oriented bounding box of the surface.
`to_data`	Convert an object to its native data representation.
`to_json`	Serialize the data representation of an object to a JSON file.
`to_jsonstring`	Serialize the data representation of an object to a JSON string.
`to_mesh`	Convert the surface to a quad mesh.
`to_triangles`	Convert the surface to a list of triangles.
`transform`	Transform this surface.
`transformed`	Transform an independent copy of this surface.
`u_space`	Compute evenly spaced parameters over the surface domain in the U direction.
`v_space`	Compute evenly spaced parameters over the surface domain in the V direction.
`validate_data`	Validate the object's data against its data schema (self.DATASCHEMA).
`validate_json`	Validate the object's data against its json schema (self.JSONSCHEMA).
`xyz`	Compute point locations corresponding to evenly spaced parameters over the surface domain.