Whether t-spline is is open.

Whether t-spline is extractable (Could be displayed in smooth mode)

Whether t-spline in box or smooth mode

Check all guarantees required for standardization to determine if the t-spline is standard

All closed surfaces are watertight, but some watertight surfaces are open.

A list of reflections applied to the t-spline

Create a T-Spline Surface from the list of lines. Accepts curves, but takes only start and end points from them.

Make a piped surface out of a network of curves or lines. A smooth joint is created at each curve intersection. Some parameter take single value or list - two valies per curve.

Create an T-Spline Box spanning from low Point to high Point.

Create a T-Spline Box centered at WCS origin, with width, length, and height.

Create a T-Spline Box centered at input Point, with specified width, length, and height.

Create a T-Spline Box centered and oriented to input CoordinateSystem, with specified width, length, and height.

Combine given T-Spline Surfaces into single one. Surface can be not connected to each other. If at least one surface is in box mode - output surface will be in box mode as well.

Create a T-Splines Cone with base Point at CoordinateSystem origin, extending in the direction of CoordinateSystem Z-axis, with its circular base in the CoordinateSystem XY Plane.

Create a T-Splines Cone with base Point at CoordinateSystem origin, extending in the direction of CoordinateSystem's Z-axis, with a circular base in the CoordinateSystem XY Plane.

Create a T-Splines Cone with axis from start Point to end Point, with given radii at start and end. This object does not have an apex, and is in the shape of a frustum.

Create a T-Splines Cone with given base radius at start Point, extending to an apex at end Point.

Construct a T-Splines Cylinder given the bottom and top center point of the Cylinder.

Construct a T-Spline Cylinder defined by a parent CoordinateSystem, the radius, and the height of the cylinder

Construct a T-Spline by extruding a curve along the given vector.

Construct T-Spline surface from NURBS Surface using curvature subdivision strategy. Input NURBS surface is rebuilt to degree 3. Output T-Spline has span counts and positions in each direction detected automatically depending on curvature.

Construct T-Spline surface from NURBS Surface using uniform strategy. Input NURBS surface is rebuilt with uniform knots placed at equal parametric or arc length intervals depending on corresponding useArcLen flag, and approximated by degree 3 NURBS surface. Output T-Spline is divided by given span counts in u and v directions.

Fit a T-Spline Plane to the input Points; basically a 3D scatterplot fit.

Create the T-Spline Plane containing the input Line and external Point. Point cannot lie on the Line or anywhere on the axis of the Line.

Create a T-Spline Plane centered at root Point, with input normal Vector.

Create an "oriented" T-Spline Plane, positioned at Point origin with Vector normal, but with a specific X-axis orientation. This has no impact to splitting, intersect, project, etc. operations, it only specifies the orientation of the input CoordinateSystem.

Create a Plane by origin and X, Y axis. The Z axis is the cross product of the two Vectors.

Create a T-Spline Plane containing the three input Points. The Points cannot lie on a straight line

Create a T-Splines Quadball with given center and radius, aligned with default World XY plane

Create a T-Splines Quadball with center at CoordinateSystem origin and given radius

Create a T-Spline Surface by sweeping the profile Curve around the axis formed by the axis origin and axis direction, starting at start_angle in degrees, and sweeping by sweep_angle in degrees.

Fit a T-Spline Sphere as close as possible to the input Points.

Create a T-Spline Sphere cetered at the input Point, with given radius.

Create a T-Spline Sphere containing four input Points on the surface.

Construct a T-Spline by sweeping a cross section Curve along a path.

Create a T-Splines Torus with given center and radii, aligned with default World XY plane

Create a T-Splines Torus with center at CoordinateSystem origin and given radii

Export given T-Spline surface to T-Spline Mesh file

Export given set of T-Spline surfaces to T-Spline Scene file

Load a T-Spline Surface from given T-Spline Mesh file

Load a T-Spline Surface from given T-Spline Mesh file

Load set of a T-Spline surfaces from given T-Spline Scene file

Load set of a T-Spline surfaces from given T-Spline Scene file

Write T-Spline Surface into a string in T-Spline Mesh format.

Append given list of reflections to the t-spline

Replace given edges with a channel of faces.

Build bridge between two sets of edges. Items of the first group are considered as children of this surface. Items of the second group can either be children of this surface or belong to a different surface. Topology within each group might not be adjacent but should create the same count of distinct loops.

Build bridge between set of edges and set of faces. Items of the first group are considered as children of this surface. Items of the second group can be either children of this surface or belong to a different surface. Topology within each group might not be adjacent, but should create the same count of distinct loops.

Build bridge between set of faces and set of edges. Items of the first group are considered as children of this surface. Items of the second group can be either children of this surface or belong to a different surface. Topology within each group might not be adjacent, but should create the same count of distinct loops.

Build bridge between two sets of faces. Items of the first group are considered as children of this surface. Items of the second group can be either children of this surface or belong to a different surface. Topology within each group might not be adjacent, but should create the same count of distinct loops.

Compress all topology on the surface and make the indices contiguous. This function maintains the relative order of the indices.

Perform crease on given set of edges

Perform crease on given set of vertices

Create match with T-Spline and closed loop of curves

Create match with T-Spline and closed loop of BRep edges. First, edge loop is converted to curve loop and then match is performed

Remove edges from t-spline topology

Remove faces from t-spline topology

Remove vertices from t-spline topology

Copy chosen faces to the new surface. New surface has no symmetry

Change visualization style of t-spline. Smooth visualization if true passed, box otherwise.

Perform a single or multiple symmetric extrudes on a set of edges and move new edges by given vector.

Perform a single or multiple symmetric extrudes on a set of edges and move new edges by the path of given curve.

Perform a single or multiple symmetric extrudes on a set of faces and move new edges by given vector.

Perform a single or multiple symmetric extrudes on a set of faces and move new edges by the path of given curve.

Fill holes in a T-spline

Flatten control points of given vertices to a single plane. This command requires an input of at least four vertices

Flatten control points of given vertices to a single plane which will be parallel with the given plane. This command requires an input of at least four vertices

Inverts the normals of all faces in the mesh.

Forward interpolation moves control points to their parametric locations on the surface. Reverse interpolation generates a point on the surface for each original control point and moves this control point to its corresponding surface point.

Set all knot intervals uniform.

Merge given edges. Edges in each groups should create equal counts of continuous sets. Edges from the first group are considered as edges of this surface. Edges from the second group can be either from this surface or any other surface. In case of different surfaces, combine is performed before merge

Move given vertices along given vector

Take every given t-spline vertex and pull it towards the closest point on the target geometries. If surfacePoints is true then surface point of the vertex is pulled, control grip otherwise

Remove all reflections from the t-spline

Slide given edges along neighboring edges

Standardize the t-spline to the point where exact insertion can be performed. If it cannot be standardized, exception is thrown with the reason

Subdivide given faces into four faces each in exact or simple mode depending on given flag value.

Thicken TSpline surface by given distance in the direction of its face normals

Thicken TSpline surface by given vector.

Convert TSpline surface to Solid or Surface depending on shape

Convert t-spline surface to mesh. Mesh can have both triangles and quads.

Perform uncrease on given set of edges

Perform uncrease on given set of vertices

Unweld all the given edges, It will unweld each vertex on all the edges.

Unweld all the specified vertices. All edges on every vertex will be unwelded.

Find all coincident vertices and weld them together.

Weld given list of vertices into a single vertex.

Weld vertices of first and second groups pairwise. First group is considered as vertices of this t-spline. Second group vertices can be either from this surface or from any other. In case of different t-splines combine is performed before the weld operation