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Move docstring to sources instead of stubs.

pull/493/head
KmolYuan 2020-02-22 15:02:20 +08:00
parent fe29a202ce
commit ede91f4955
3 changed files with 223 additions and 261 deletions
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2
cython/python_solvespace/__init__.py
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@ -8,7 +8,7 @@ __author__ = "Yuan Chang"
__copyright__ = "Copyright (C) 2016-2019" __copyright__ = "Copyright (C) 2016-2019"
__license__ = "GPLv3+" __license__ = "GPLv3+"
__email__ = "pyslvs@gmail.com" __email__ = "pyslvs@gmail.com"
__version__ = "3.0.1.post2" __version__ = "3.0.1.post3"
from enum import IntEnum, auto from enum import IntEnum, auto
from .slvs import ( from .slvs import (

216
cython/python_solvespace/slvs.pyi
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@ -8,10 +8,6 @@ def quaternion_u(
qy: float, qy: float,
qz: float qz: float
) -> Tuple[float, float, float]: ) -> Tuple[float, float, float]:
"""Input quaternion, return unit vector of U axis.
Where `qw`, `qx`, `qy`, `qz` are corresponded to the W, X, Y, Z value of quaternion.
"""
... ...
def quaternion_v( def quaternion_v(
@ -20,10 +16,6 @@ def quaternion_v(
qy: float, qy: float,
qz: float qz: float
) -> Tuple[float, float, float]: ) -> Tuple[float, float, float]:
"""Input quaternion, return unit vector of V axis.
Signature is same as [quaternion_u](#quaternion_u).
"""
... ...
def quaternion_n( def quaternion_n(
@ -32,10 +24,6 @@ def quaternion_n(
qy: float, qy: float,
qz: float qz: float
) -> Tuple[float, float, float]: ) -> Tuple[float, float, float]:
"""Input quaternion, return unit vector of normal.
Signature is same as [quaternion_u](#quaternion_u).
"""
... ...
def make_quaternion( def make_quaternion(
@ -46,235 +34,132 @@ def make_quaternion(
vy: float, vy: float,
vz: float vz: float
) -> Tuple[float, float, float, float]: ) -> Tuple[float, float, float, float]:
"""Input two unit vector, return quaternion.
Where `ux`, `uy`, `uz` are corresponded to the value of U vector;
`vx`, `vy`, `vz` are corresponded to the value of V vector.
"""
... ...
class Params: class Params:
pass
"""The handles of parameters."""
def __repr__(self) -> str:
...
class Entity: class Entity:
"""The handles of entities."""
FREE_IN_3D: ClassVar[Entity] = ... FREE_IN_3D: ClassVar[Entity] = ...
NONE: ClassVar[Entity] = ... NONE: ClassVar[Entity] = ...
params: Params params: Params
def is_3d(self) -> bool: def is_3d(self) -> bool:
"""Return True if this is a 3D entity."""
... ...
def is_none(self) -> bool: def is_none(self) -> bool:
"""Return True if this is a empty entity."""
... ...
def is_point_2d(self) -> bool: def is_point_2d(self) -> bool:
"""Return True if this is a 2D point."""
... ...
def is_point_3d(self) -> bool: def is_point_3d(self) -> bool:
"""Return True if this is a 3D point."""
... ...
def is_point(self) -> bool: def is_point(self) -> bool:
"""Return True if this is a point."""
... ...
def is_normal_2d(self) -> bool: def is_normal_2d(self) -> bool:
"""Return True if this is a 2D normal."""
... ...
def is_normal_3d(self) -> bool: def is_normal_3d(self) -> bool:
"""Return True if this is a 3D normal."""
... ...
def is_normal(self) -> bool: def is_normal(self) -> bool:
"""Return True if this is a normal."""
... ...
def is_distance(self) -> bool: def is_distance(self) -> bool:
"""Return True if this is a distance."""
... ...
def is_work_plane(self) -> bool: def is_work_plane(self) -> bool:
"""Return True if this is a work plane."""
... ...
def is_line_2d(self) -> bool: def is_line_2d(self) -> bool:
"""Return True if this is a 2D line."""
... ...
def is_line_3d(self) -> bool: def is_line_3d(self) -> bool:
"""Return True if this is a 3D line."""
... ...
def is_line(self) -> bool: def is_line(self) -> bool:
"""Return True if this is a line."""
... ...
def is_cubic(self) -> bool: def is_cubic(self) -> bool:
"""Return True if this is a cubic."""
... ...
def is_circle(self) -> bool: def is_circle(self) -> bool:
"""Return True if this is a circle."""
... ...
def is_arc(self) -> bool: def is_arc(self) -> bool:
"""Return True if this is a arc."""
...
def __repr__(self) -> str:
... ...
class SolverSystem: class SolverSystem:
"""A solver system of Python-Solvespace.
The operation of entities and constraints are using the methods of this class.
"""
def __init__(self) -> None: def __init__(self) -> None:
"""Initialization method. Create a solver system.""" """Initialization method. Create a solver system."""
... ...
def clear(self) -> None: def clear(self) -> None:
"""Clear the system."""
... ...
def set_group(self, g: int) -> None: def set_group(self, g: int) -> None:
"""Set the current group (`g`)."""
... ...
def group(self) -> int: def group(self) -> int:
"""Return the current group."""
... ...
def set_params(self, p: Params, params: Sequence[float]) -> None: def set_params(self, p: Params, params: Sequence[float]) -> None:
"""Set the parameters from a [Params] handle (`p`) belong to this system.
The values is come from `params`, length must be equal to the handle.
"""
... ...
def params(self, p: Params) -> Tuple[float, ...]: def params(self, p: Params) -> Tuple[float, ...]:
"""Get the parameters from a [Params] handle (`p`) belong to this system.
The length of tuple is decided by handle.
"""
... ...
def dof(self) -> int: def dof(self) -> int:
"""Return the degrees of freedom of current group.
Only can be called after solving.
"""
... ...
def constraints(self) -> Counter[str]: def constraints(self) -> Counter[str]:
"""Return the number of each constraint type.
The name of constraints is represented by string.
"""
... ...
def failures(self) -> List[int]: def failures(self) -> List[int]:
"""Return a list of failed constraint numbers."""
... ...
def solve(self) -> int: def solve(self) -> int:
"""Start the solving, return the result flag."""
... ...
def create_2d_base(self) -> Entity: def create_2d_base(self) -> Entity:
"""Create a 2D system on current group,
return the handle of work plane.
"""
... ...
def add_point_2d(self, u: float, v: float, wp: Entity) -> Entity: def add_point_2d(self, u: float, v: float, wp: Entity) -> Entity:
"""Add a 2D point to specific work plane (`wp`) then return the handle.
Where `u`, `v` are corresponded to the value of U, V axis on the work plane.
"""
... ...
def add_point_3d(self, x: float, y: float, z: float) -> Entity: def add_point_3d(self, x: float, y: float, z: float) -> Entity:
"""Add a 3D point then return the handle.
Where `x`, `y`, `z` are corresponded to the value of X, Y, Z axis.
"""
... ...
def add_normal_2d(self, wp: Entity) -> Entity: def add_normal_2d(self, wp: Entity) -> Entity:
"""Add a 2D normal orthogonal to specific work plane (`wp`)
then return the handle.
"""
... ...
def add_normal_3d(self, qw: float, qx: float, qy: float, qz: float) -> Entity: def add_normal_3d(self, qw: float, qx: float, qy: float, qz: float) -> Entity:
"""Add a 3D normal from quaternion then return the handle.
Where `qw`, `qx`, `qy`, `qz` are corresponded to
the W, X, Y, Z value of quaternion.
"""
... ...
def add_distance(self, d: float, wp: Entity) -> Entity: def add_distance(self, d: float, wp: Entity) -> Entity:
"""Add a distance to specific work plane (`wp`) then return the handle.
Where `d` is distance value.
"""
... ...
def add_line_2d(self, p1: Entity, p2: Entity, wp: Entity) -> Entity: def add_line_2d(self, p1: Entity, p2: Entity, wp: Entity) -> Entity:
"""Add a 2D line to specific work plane (`wp`) then return the handle.
Where `p1` is the start point; `p2` is the end point.
"""
... ...
def add_line_3d(self, p1: Entity, p2: Entity) -> Entity: def add_line_3d(self, p1: Entity, p2: Entity) -> Entity:
"""Add a 3D line then return the handle.
Where `p1` is the start point; `p2` is the end point.
"""
... ...
def add_cubic(self, p1: Entity, p2: Entity, p3: Entity, p4: Entity, wp: Entity) -> Entity: def add_cubic(self, p1: Entity, p2: Entity, p3: Entity, p4: Entity, wp: Entity) -> Entity:
"""Add a cubic curve to specific work plane (`wp`) then return the handle.
Where `p1` to `p4` is the control points.
"""
... ...
def add_arc(self, nm: Entity, ct: Entity, start: Entity, end: Entity, wp: Entity) -> Entity: def add_arc(self, nm: Entity, ct: Entity, start: Entity, end: Entity, wp: Entity) -> Entity:
"""Add an arc to specific work plane (`wp`) then return the handle.
Where `nm` is the orthogonal normal; `ct` is the center point;
`start` is the start point; `end` is the end point.
"""
... ...
def add_circle(self, nm: Entity, ct: Entity, radius: Entity, wp: Entity) -> Entity: def add_circle(self, nm: Entity, ct: Entity, radius: Entity, wp: Entity) -> Entity:
"""Add an circle to specific work plane (`wp`) then return the handle.
Where `nm` is the orthogonal normal;
`ct` is the center point;
`radius` is the distance value represent radius.
"""
... ...
def add_work_plane(self, origin: Entity, nm: Entity) -> Entity: def add_work_plane(self, origin: Entity, nm: Entity) -> Entity:
"""Add a work plane then return the handle.
Where `origin` is the origin point of the plane;
`nm` is the orthogonal normal.
"""
... ...
def add_constraint( def add_constraint(
@ -291,25 +176,9 @@ class SolverSystem:
other: int = 0, other: int = 0,
other2: int = 0 other2: int = 0
) -> None: ) -> None:
"""Add a constraint by type code `c_type`.
This is an origin function mapping to different constraint methods.
Where `wp` represents work plane; `v` represents constraint value;
`p1` and `p2` represent point entities; `e1` to `e4` represent other types of entity;
`other` and `other2` are control options of the constraint.
"""
... ...
def coincident(self, e1: Entity, e2: Entity, wp: Entity = Entity.FREE_IN_3D) -> None: def coincident(self, e1: Entity, e2: Entity, wp: Entity = Entity.FREE_IN_3D) -> None:
"""Coincident two entities.
| Entity 1 (`e1`) | Entity 2 (`e2`) | Work plane (`wp`) |
|:---------------:|:---------------:|:-----------------:|
| [is_point] | [is_point] | Optional |
| [is_point] | [is_work_plane] | [Entity.FREE_IN_3D] |
| [is_point] | [is_line] | Optional |
| [is_point] | [is_circle] | Optional |
"""
... ...
def distance( def distance(
@ -319,31 +188,9 @@ class SolverSystem:
value: float, value: float,
wp: Entity = Entity.FREE_IN_3D wp: Entity = Entity.FREE_IN_3D
) -> None: ) -> None:
"""Distance constraint between two entities.
If `value` is equal to zero, then turn into [coincident](#solversystemcoincident)
| Entity 1 (`e1`) | Entity 2 (`e2`) | Work plane (`wp`) |
|:---------------:|:---------------:|:-----------------:|
| [is_point] | [is_point] | Optional |
| [is_point] | [is_work_plane] | [Entity.FREE_IN_3D] |
| [is_point] | [is_line] | Optional |
"""
... ...
def equal(self, e1: Entity, e2: Entity, wp: Entity = Entity.FREE_IN_3D) -> None: def equal(self, e1: Entity, e2: Entity, wp: Entity = Entity.FREE_IN_3D) -> None:
"""Equal constraint between two entities.
| Entity 1 (`e1`) | Entity 2 (`e2`) | Work plane (`wp`) |
|:---------------:|:---------------:|:-----------------:|
| [is_line] | [is_line] | Optional |
| [is_line] | [is_arc] | Optional |
| [is_line] | [is_circle] | Optional |
| [is_arc] | [is_arc] | Optional |
| [is_arc] | [is_circle] | Optional |
| [is_circle] | [is_circle] | Optional |
| [is_circle] | [is_arc] | Optional |
"""
... ...
def equal_included_angle( def equal_included_angle(
@ -354,9 +201,6 @@ class SolverSystem:
e4: Entity, e4: Entity,
wp: Entity wp: Entity
) -> None: ) -> None:
"""Constraint that 2D line 1 (`e1`) and line 2 (`e2`),
line 3 (`e3`) and line 4 (`e4`) must have same included angle on work plane `wp`.
"""
... ...
def equal_point_to_line( def equal_point_to_line(
@ -367,13 +211,9 @@ class SolverSystem:
e4: Entity, e4: Entity,
wp: Entity wp: Entity
) -> None: ) -> None:
"""Constraint that point 1 (`e1`) and line 1 (`e2`),
point 2 (`e3`) and line 2 (`e4`) must have same distance on work plane `wp`.
"""
... ...
def ratio(self, e1: Entity, e2: Entity, value: float, wp: Entity) -> None: def ratio(self, e1: Entity, e2: Entity, value: float, wp: Entity) -> None:
"""The ratio (`value`) constraint between two 2D lines (`e1` and `e2`)."""
... ...
def symmetric( def symmetric(
@ -383,26 +223,12 @@ class SolverSystem:
e3: Entity = Entity.NONE, e3: Entity = Entity.NONE,
wp: Entity = Entity.FREE_IN_3D wp: Entity = Entity.FREE_IN_3D
) -> None: ) -> None:
"""Symmetric constraint between two points.
| Entity 1 (`e1`) | Entity 2 (`e2`) | Entity 3 (`e3`) | Work plane (`wp`) |
|:---------------:|:---------------:|:---------------:|:-----------------:|
| [is_point_3d] | [is_point_3d] | [is_work_plane] | [Entity.FREE_IN_3D] |
| [is_point_2d] | [is_point_2d] | [is_work_plane] | [Entity.FREE_IN_3D] |
| [is_point_2d] | [is_point_2d] | [is_line_2d] | Is not [Entity.FREE_IN_3D] |
"""
... ...
def symmetric_h(self, e1: Entity, e2: Entity, wp: Entity) -> None: def symmetric_h(self, e1: Entity, e2: Entity, wp: Entity) -> None:
"""Symmetric constraint between two 2D points (`e1` and `e2`)
with horizontal line on the work plane (`wp` can not be [Entity.FREE_IN_3D]).
"""
... ...
def symmetric_v(self, e1: Entity, e2: Entity, wp: Entity) -> None: def symmetric_v(self, e1: Entity, e2: Entity, wp: Entity) -> None:
"""Symmetric constraint between two 2D points (`e1` and `e2`)
with vertical line on the work plane (`wp` can not be [Entity.FREE_IN_3D]).
"""
... ...
def midpoint( def midpoint(
@ -411,74 +237,34 @@ class SolverSystem:
e2: Entity, e2: Entity,
wp: Entity = Entity.FREE_IN_3D wp: Entity = Entity.FREE_IN_3D
) -> None: ) -> None:
"""Midpoint constraint between a point (`e1`) and
a line (`e2`) on work plane (`wp`).
"""
... ...
def horizontal(self, e1: Entity, wp: Entity) -> None: def horizontal(self, e1: Entity, wp: Entity) -> None:
"""Horizontal constraint of a 2d point (`e1`) on
work plane (`wp` can not be [Entity.FREE_IN_3D]).
"""
... ...
def vertical(self, e1: Entity, wp: Entity) -> None: def vertical(self, e1: Entity, wp: Entity) -> None:
"""Vertical constraint of a 2d point (`e1`) on
work plane (`wp` can not be [Entity.FREE_IN_3D]).
"""
... ...
def diameter(self, e1: Entity, value: float, wp: Entity) -> None: def diameter(self, e1: Entity, value: float, wp: Entity) -> None:
"""Diameter (`value`) constraint of a circular entities.
| Entity 1 (`e1`) | Work plane (`wp`) |
|:---------------:|:-----------------:|
| [is_arc] | Optional |
| [is_circle] | Optional |
"""
... ...
def same_orientation(self, e1: Entity, e2: Entity) -> None: def same_orientation(self, e1: Entity, e2: Entity) -> None:
"""Equal orientation constraint between two 3d normals (`e1` and `e2`)."""
... ...
def angle(self, e1: Entity, e2: Entity, value: float, wp: Entity, inverse: bool = False) -> None: def angle(self, e1: Entity, e2: Entity, value: float, wp: Entity, inverse: bool = False) -> None:
"""Degrees angle (`value`) constraint between two 2d lines (`e1` and `e2`)
on the work plane (`wp` can not be [Entity.FREE_IN_3D]).
"""
... ...
def perpendicular(self, e1: Entity, e2: Entity, wp: Entity, inverse: bool = False) -> None: def perpendicular(self, e1: Entity, e2: Entity, wp: Entity, inverse: bool = False) -> None:
"""Perpendicular constraint between two 2d lines (`e1` and `e2`)
on the work plane (`wp` can not be [Entity.FREE_IN_3D]) with `inverse` option.
"""
... ...
def parallel(self, e1: Entity, e2: Entity, wp: Entity = Entity.FREE_IN_3D) -> None: def parallel(self, e1: Entity, e2: Entity, wp: Entity = Entity.FREE_IN_3D) -> None:
"""Parallel constraint between two lines (`e1` and `e2`) on
the work plane (`wp`).
"""
... ...
def tangent(self, e1: Entity, e2: Entity, wp: Entity = Entity.FREE_IN_3D) -> None: def tangent(self, e1: Entity, e2: Entity, wp: Entity = Entity.FREE_IN_3D) -> None:
"""Parallel constraint between two entities (`e1` and `e2`) on the work plane (`wp`).
| Entity 1 (`e1`) | Entity 2 (`e2`) | Work plane (`wp`) |
|:---------------:|:---------------:|:-----------------:|
| [is_arc] | [is_line_2d] | Is not [Entity.FREE_IN_3D] |
| [is_cubic] | [is_line_3d] | [Entity.FREE_IN_3D] |
| [is_arc] | [is_cubic] | Is not [Entity.FREE_IN_3D] |
| [is_arc] | [is_arc] | Is not [Entity.FREE_IN_3D] |
| [is_cubic] | [is_cubic] | Optional |
"""
... ...
def distance_proj(self, e1: Entity, e2: Entity, value: float) -> None: def distance_proj(self, e1: Entity, e2: Entity, value: float) -> None:
"""Projected distance (`value`) constraint between
two 3d points (`e1` and `e2`).
"""
... ...
def dragged(self, e1: Entity, wp: Entity = Entity.FREE_IN_3D) -> None: def dragged(self, e1: Entity, wp: Entity = Entity.FREE_IN_3D) -> None:
"""Dragged constraint of a point (`e1`) on the work plane (`wp`)."""
... ...

266
cython/python_solvespace/slvs.pyx
View File

@ -16,24 +16,42 @@ from collections import Counter
cpdef tuple quaternion_u(double qw, double qx, double qy, double qz): cpdef tuple quaternion_u(double qw, double qx, double qy, double qz):
"""Input quaternion, return unit vector of U axis.
Where `qw`, `qx`, `qy`, `qz` are corresponded to the W, X, Y, Z value of
quaternion.
"""
cdef double x, y, z cdef double x, y, z
Slvs_QuaternionU(qw, qx, qy, qz, &x, &y, &z) Slvs_QuaternionU(qw, qx, qy, qz, &x, &y, &z)
return x, y, z return x, y, z
cpdef tuple quaternion_v(double qw, double qx, double qy, double qz): cpdef tuple quaternion_v(double qw, double qx, double qy, double qz):
"""Input quaternion, return unit vector of V axis.
Signature is same as [quaternion_u](#quaternion_u).
"""
cdef double x, y, z cdef double x, y, z
Slvs_QuaternionV(qw, qx, qy, qz, &x, &y, &z) Slvs_QuaternionV(qw, qx, qy, qz, &x, &y, &z)
return x, y, z return x, y, z
cpdef tuple quaternion_n(double qw, double qx, double qy, double qz): cpdef tuple quaternion_n(double qw, double qx, double qy, double qz):
"""Input quaternion, return unit vector of normal.
Signature is same as [quaternion_u](#quaternion_u).
"""
cdef double x, y, z cdef double x, y, z
Slvs_QuaternionN(qw, qx, qy, qz, &x, &y, &z) Slvs_QuaternionN(qw, qx, qy, qz, &x, &y, &z)
return x, y, z return x, y, z
cpdef tuple make_quaternion(double ux, double uy, double uz, double vx, double vy, double vz): cpdef tuple make_quaternion(double ux, double uy, double uz, double vx, double vy, double vz):
"""Input two unit vector, return quaternion.
Where `ux`, `uy`, `uz` are corresponded to the value of U vector;
`vx`, `vy`, `vz` are corresponded to the value of V vector.
"""
cdef double qw, qx, qy, qz cdef double qw, qx, qy, qz
Slvs_MakeQuaternion(ux, uy, uz, vx, vy, vz, &qw, &qx, &qy, &qz) Slvs_MakeQuaternion(ux, uy, uz, vx, vy, vz, &qw, &qx, &qy, &qz)
return qw, qx, qy, qz return qw, qx, qy, qz
@ -144,7 +162,7 @@ _NAME_OF_CONSTRAINTS = {
cdef class Entity: cdef class Entity:
"""Python object to handle a pointer of 'Slvs_hEntity'.""" """The handles of entities."""
FREE_IN_3D = _E_FREE_IN_3D FREE_IN_3D = _E_FREE_IN_3D
NONE = _E_NONE NONE = _E_NONE
@ -180,51 +198,67 @@ cdef class Entity:
) )
cpdef bint is_3d(self): cpdef bint is_3d(self):
"""Return True if this is a 3D entity."""
return self.wp == SLVS_FREE_IN_3D return self.wp == SLVS_FREE_IN_3D
cpdef bint is_none(self): cpdef bint is_none(self):
"""Return True if this is a empty entity."""
return self.h == 0 return self.h == 0
cpdef bint is_point_2d(self): cpdef bint is_point_2d(self):
"""Return True if this is a 2D point."""
return self.t == SLVS_E_POINT_IN_2D return self.t == SLVS_E_POINT_IN_2D
cpdef bint is_point_3d(self): cpdef bint is_point_3d(self):
"""Return True if this is a 3D point."""
return self.t == SLVS_E_POINT_IN_3D return self.t == SLVS_E_POINT_IN_3D
cpdef bint is_point(self): cpdef bint is_point(self):
"""Return True if this is a point."""
return self.is_point_2d() or self.is_point_3d() return self.is_point_2d() or self.is_point_3d()
cpdef bint is_normal_2d(self): cpdef bint is_normal_2d(self):
"""Return True if this is a 2D normal."""
return self.t == SLVS_E_NORMAL_IN_2D return self.t == SLVS_E_NORMAL_IN_2D
cpdef bint is_normal_3d(self): cpdef bint is_normal_3d(self):
"""Return True if this is a 3D normal."""
return self.t == SLVS_E_NORMAL_IN_3D return self.t == SLVS_E_NORMAL_IN_3D
cpdef bint is_normal(self): cpdef bint is_normal(self):
"""Return True if this is a normal."""
return self.is_normal_2d() or self.is_normal_3d() return self.is_normal_2d() or self.is_normal_3d()
cpdef bint is_distance(self): cpdef bint is_distance(self):
"""Return True if this is a distance."""
return self.t == SLVS_E_DISTANCE return self.t == SLVS_E_DISTANCE
cpdef bint is_work_plane(self): cpdef bint is_work_plane(self):
"""Return True if this is a work plane."""
return self.t == SLVS_E_WORKPLANE return self.t == SLVS_E_WORKPLANE
cpdef bint is_line_2d(self): cpdef bint is_line_2d(self):
"""Return True if this is a 2D line."""
return self.is_line() and not self.is_3d() return self.is_line() and not self.is_3d()
cpdef bint is_line_3d(self): cpdef bint is_line_3d(self):
"""Return True if this is a 3D line."""
return self.is_line() and self.is_3d() return self.is_line() and self.is_3d()
cpdef bint is_line(self): cpdef bint is_line(self):
"""Return True if this is a line."""
return self.t == SLVS_E_LINE_SEGMENT return self.t == SLVS_E_LINE_SEGMENT
cpdef bint is_cubic(self): cpdef bint is_cubic(self):
"""Return True if this is a cubic."""
return self.t == SLVS_E_CUBIC return self.t == SLVS_E_CUBIC
cpdef bint is_circle(self): cpdef bint is_circle(self):
"""Return True if this is a circle."""
return self.t == SLVS_E_CIRCLE return self.t == SLVS_E_CIRCLE
cpdef bint is_arc(self): cpdef bint is_arc(self):
"""Return True if this is a arc."""
return self.t == SLVS_E_ARC_OF_CIRCLE return self.t == SLVS_E_ARC_OF_CIRCLE
def __repr__(self) -> str: def __repr__(self) -> str:
@ -239,7 +273,11 @@ cdef class Entity:
cdef class SolverSystem: cdef class SolverSystem:
"""Python object of 'Slvs_System'.""" """A solver system of Python-Solvespace.
The operation of entities and constraints are using the methods of this
class.
"""
def __cinit__(self): def __cinit__(self):
self.g = 0 self.g = 0
@ -282,6 +320,7 @@ cdef class SolverSystem:
self.cons_list.push_back(self.sys.constraint[i]) self.cons_list.push_back(self.sys.constraint[i])
cpdef void clear(self): cpdef void clear(self):
"""Clear the system."""
self.g = 0 self.g = 0
self.param_list.clear() self.param_list.clear()
self.entity_list.clear() self.entity_list.clear()
@ -307,15 +346,18 @@ cdef class SolverSystem:
self.sys.params = self.sys.entities = self.sys.constraints = 0 self.sys.params = self.sys.entities = self.sys.constraints = 0
cpdef void set_group(self, size_t g): cpdef void set_group(self, size_t g):
"""Set the current group by integer.""" """Set the current group (`g`)."""
self.g = <Slvs_hGroup>g self.g = <Slvs_hGroup>g
cpdef int group(self): cpdef int group(self):
"""Return the current group by integer.""" """Return the current group."""
return <int>self.g return <int>self.g
cpdef void set_params(self, Params p, object params): cpdef void set_params(self, Params p, object params):
"""Set the parameters by Params object and sequence object.""" """Set the parameters from a [Params] handle (`p`) belong to this
system.
The values is come from `params`, length must be equal to the handle.
"""
params = tuple(params) params = tuple(params)
cdef int i = p.param_list.size() cdef int i = p.param_list.size()
if i != len(params): if i != len(params):
@ -328,7 +370,10 @@ cdef class SolverSystem:
i += 1 i += 1
cpdef tuple params(self, Params p): cpdef tuple params(self, Params p):
"""Get the parameters by Params object.""" """Get the parameters from a [Params] handle (`p`) belong to this
system.
The length of tuple is decided by handle.
"""
param_list = [] param_list = []
cdef Slvs_hParam h cdef Slvs_hParam h
for h in p.param_list: for h in p.param_list:
@ -336,11 +381,15 @@ cdef class SolverSystem:
return tuple(param_list) return tuple(param_list)
cpdef int dof(self): cpdef int dof(self):
"""Return the DOF of system.""" """Return the degrees of freedom of current group.
Only can be called after solving.
"""
return self.sys.dof return self.sys.dof
cpdef object constraints(self): cpdef object constraints(self):
"""Return the list of all constraints.""" """Return the number of each constraint type.
The name of constraints is represented by string.
"""
cons_list = [] cons_list = []
cdef Slvs_Constraint con cdef Slvs_Constraint con
for con in self.cons_list: for con in self.cons_list:
@ -348,7 +397,7 @@ cdef class SolverSystem:
return Counter(cons_list) return Counter(cons_list)
cpdef list failures(self): cpdef list failures(self):
"""Return the count of failed constraint.""" """Return a list of failed constraint numbers."""
failed_list = [] failed_list = []
cdef Slvs_hConstraint error cdef Slvs_hConstraint error
for error in self.failed_list: for error in self.failed_list:
@ -356,7 +405,7 @@ cdef class SolverSystem:
return failed_list return failed_list
cpdef int solve(self): cpdef int solve(self):
"""Solve the system.""" """Start the solving, return the result flag."""
# Parameters # Parameters
self.sys.param = <Slvs_Param *>PyMem_Malloc(self.param_list.size() * sizeof(Slvs_Param)) self.sys.param = <Slvs_Param *>PyMem_Malloc(self.param_list.size() * sizeof(Slvs_Param))
# Entities # Entities
@ -378,7 +427,9 @@ cdef class SolverSystem:
return self.sys.result return self.sys.result
cpdef Entity create_2d_base(self): cpdef Entity create_2d_base(self):
"""Create a basic 2D system and return the work plane.""" """Create a 2D system on current group,
return the handle of work plane.
"""
cdef double qw, qx, qy, qz cdef double qw, qx, qy, qz
qw, qx, qy, qz = make_quaternion(1, 0, 0, 0, 1, 0) qw, qx, qy, qz = make_quaternion(1, 0, 0, 0, 1, 0)
cdef Entity nm = self.add_normal_3d(qw, qx, qy, qz) cdef Entity nm = self.add_normal_3d(qw, qx, qy, qz)
@ -397,7 +448,11 @@ cdef class SolverSystem:
return <Slvs_hEntity>self.sys.entities return <Slvs_hEntity>self.sys.entities
cpdef Entity add_point_2d(self, double u, double v, Entity wp): cpdef Entity add_point_2d(self, double u, double v, Entity wp):
"""Add 2D point.""" """Add a 2D point to specific work plane (`wp`) then return the handle.
Where `u`, `v` are corresponded to the value of U, V axis on the work
plane.
"""
if wp is None or not wp.is_work_plane(): if wp is None or not wp.is_work_plane():
raise TypeError(f"{wp} is not a work plane") raise TypeError(f"{wp} is not a work plane")
@ -409,7 +464,10 @@ cdef class SolverSystem:
return Entity.create(&e, 2) return Entity.create(&e, 2)
cpdef Entity add_point_3d(self, double x, double y, double z): cpdef Entity add_point_3d(self, double x, double y, double z):
"""Add 3D point.""" """Add a 3D point then return the handle.
Where `x`, `y`, `z` are corresponded to the value of X, Y, Z axis.
"""
cdef Slvs_hParam x_p = self.new_param(x) cdef Slvs_hParam x_p = self.new_param(x)
cdef Slvs_hParam y_p = self.new_param(y) cdef Slvs_hParam y_p = self.new_param(y)
cdef Slvs_hParam z_p = self.new_param(z) cdef Slvs_hParam z_p = self.new_param(z)
@ -419,7 +477,9 @@ cdef class SolverSystem:
return Entity.create(&e, 3) return Entity.create(&e, 3)
cpdef Entity add_normal_2d(self, Entity wp): cpdef Entity add_normal_2d(self, Entity wp):
"""Add a 2D normal.""" """Add a 2D normal orthogonal to specific work plane (`wp`)
then return the handle.
"""
if wp is None or not wp.is_work_plane(): if wp is None or not wp.is_work_plane():
raise TypeError(f"{wp} is not a work plane") raise TypeError(f"{wp} is not a work plane")
cdef Slvs_Entity e = Slvs_MakeNormal2d(self.eh(), self.g, wp.h) cdef Slvs_Entity e = Slvs_MakeNormal2d(self.eh(), self.g, wp.h)
@ -427,7 +487,11 @@ cdef class SolverSystem:
return Entity.create(&e, 0) return Entity.create(&e, 0)
cpdef Entity add_normal_3d(self, double qw, double qx, double qy, double qz): cpdef Entity add_normal_3d(self, double qw, double qx, double qy, double qz):
"""Add a 3D normal.""" """Add a 3D normal from quaternion then return the handle.
Where `qw`, `qx`, `qy`, `qz` are corresponded to
the W, X, Y, Z value of quaternion.
"""
cdef Slvs_hParam w_p = self.new_param(qw) cdef Slvs_hParam w_p = self.new_param(qw)
cdef Slvs_hParam x_p = self.new_param(qx) cdef Slvs_hParam x_p = self.new_param(qx)
cdef Slvs_hParam y_p = self.new_param(qy) cdef Slvs_hParam y_p = self.new_param(qy)
@ -437,7 +501,10 @@ cdef class SolverSystem:
return Entity.create(&self.entity_list.back(), 4) return Entity.create(&self.entity_list.back(), 4)
cpdef Entity add_distance(self, double d, Entity wp): cpdef Entity add_distance(self, double d, Entity wp):
"""Add a 2D distance.""" """Add a distance to specific work plane (`wp`) then return the handle.
Where `d` is distance value.
"""
if wp is None or not wp.is_work_plane(): if wp is None or not wp.is_work_plane():
raise TypeError(f"{wp} is not a work plane") raise TypeError(f"{wp} is not a work plane")
@ -447,7 +514,10 @@ cdef class SolverSystem:
return Entity.create(&self.entity_list.back(), 1) return Entity.create(&self.entity_list.back(), 1)
cpdef Entity add_line_2d(self, Entity p1, Entity p2, Entity wp): cpdef Entity add_line_2d(self, Entity p1, Entity p2, Entity wp):
"""Add a 2D line.""" """Add a 2D line to specific work plane (`wp`) then return the handle.
Where `p1` is the start point; `p2` is the end point.
"""
if wp is None or not wp.is_work_plane(): if wp is None or not wp.is_work_plane():
raise TypeError(f"{wp} is not a work plane") raise TypeError(f"{wp} is not a work plane")
if p1 is None or not p1.is_point_2d(): if p1 is None or not p1.is_point_2d():
@ -460,7 +530,10 @@ cdef class SolverSystem:
return Entity.create(&self.entity_list.back(), 0) return Entity.create(&self.entity_list.back(), 0)
cpdef Entity add_line_3d(self, Entity p1, Entity p2): cpdef Entity add_line_3d(self, Entity p1, Entity p2):
"""Add a 3D line.""" """Add a 3D line then return the handle.
Where `p1` is the start point; `p2` is the end point.
"""
if p1 is None or not p1.is_point_3d(): if p1 is None or not p1.is_point_3d():
raise TypeError(f"{p1} is not a 3d point") raise TypeError(f"{p1} is not a 3d point")
if p2 is None or not p2.is_point_3d(): if p2 is None or not p2.is_point_3d():
@ -471,7 +544,11 @@ cdef class SolverSystem:
return Entity.create(&self.entity_list.back(), 0) return Entity.create(&self.entity_list.back(), 0)
cpdef Entity add_cubic(self, Entity p1, Entity p2, Entity p3, Entity p4, Entity wp): cpdef Entity add_cubic(self, Entity p1, Entity p2, Entity p3, Entity p4, Entity wp):
"""Add a 2D cubic.""" """Add a cubic curve to specific work plane (`wp`) then return the
handle.
Where `p1` to `p4` is the control points.
"""
if wp is None or not wp.is_work_plane(): if wp is None or not wp.is_work_plane():
raise TypeError(f"{wp} is not a work plane") raise TypeError(f"{wp} is not a work plane")
if p1 is None or not p1.is_point_2d(): if p1 is None or not p1.is_point_2d():
@ -488,7 +565,11 @@ cdef class SolverSystem:
return Entity.create(&self.entity_list.back(), 0) return Entity.create(&self.entity_list.back(), 0)
cpdef Entity add_arc(self, Entity nm, Entity ct, Entity start, Entity end, Entity wp): cpdef Entity add_arc(self, Entity nm, Entity ct, Entity start, Entity end, Entity wp):
"""Add an 2D arc.""" """Add an arc to specific work plane (`wp`) then return the handle.
Where `nm` is the orthogonal normal; `ct` is the center point;
`start` is the start point; `end` is the end point.
"""
if wp is None or not wp.is_work_plane(): if wp is None or not wp.is_work_plane():
raise TypeError(f"{wp} is not a work plane") raise TypeError(f"{wp} is not a work plane")
if nm is None or not nm.is_normal_3d(): if nm is None or not nm.is_normal_3d():
@ -504,7 +585,12 @@ cdef class SolverSystem:
return Entity.create(&self.entity_list.back(), 0) return Entity.create(&self.entity_list.back(), 0)
cpdef Entity add_circle(self, Entity nm, Entity ct, Entity radius, Entity wp): cpdef Entity add_circle(self, Entity nm, Entity ct, Entity radius, Entity wp):
"""Add a 2D circle.""" """Add an circle to specific work plane (`wp`) then return the handle.
Where `nm` is the orthogonal normal;
`ct` is the center point;
`radius` is the distance value represent radius.
"""
if wp is None or not wp.is_work_plane(): if wp is None or not wp.is_work_plane():
raise TypeError(f"{wp} is not a work plane") raise TypeError(f"{wp} is not a work plane")
if nm is None or not nm.is_normal_3d(): if nm is None or not nm.is_normal_3d():
@ -519,7 +605,11 @@ cdef class SolverSystem:
return Entity.create(&self.entity_list.back(), 0) return Entity.create(&self.entity_list.back(), 0)
cpdef Entity add_work_plane(self, Entity origin, Entity nm): cpdef Entity add_work_plane(self, Entity origin, Entity nm):
"""Add a 3D work plane.""" """Add a work plane then return the handle.
Where `origin` is the origin point of the plane;
`nm` is the orthogonal normal.
"""
if origin is None or origin.t != SLVS_E_POINT_IN_3D: if origin is None or origin.t != SLVS_E_POINT_IN_3D:
raise TypeError(f"{origin} is not a 3d point") raise TypeError(f"{origin} is not a 3d point")
if nm is None or nm.t != SLVS_E_NORMAL_IN_3D: if nm is None or nm.t != SLVS_E_NORMAL_IN_3D:
@ -542,7 +632,14 @@ cdef class SolverSystem:
int other = 0, int other = 0,
int other2 = 0 int other2 = 0
): ):
"""Add customized constraint.""" """Add a constraint by type code `c_type`.
This is an origin function mapping to different constraint methods.
Where `wp` represents work plane; `v` represents constraint value;
`p1` and `p2` represent point entities; `e1` to `e4` represent other
types of entity;
`other` and `other2` are control options of the constraint.
"""
if wp is None or not wp.is_work_plane(): if wp is None or not wp.is_work_plane():
raise TypeError(f"{wp} is not a work plane") raise TypeError(f"{wp} is not a work plane")
@ -576,7 +673,15 @@ cdef class SolverSystem:
##### #####
cpdef void coincident(self, Entity e1, Entity e2, Entity wp = _E_FREE_IN_3D): cpdef void coincident(self, Entity e1, Entity e2, Entity wp = _E_FREE_IN_3D):
"""Coincident two entities.""" """Coincident two entities.
| Entity 1 (`e1`) | Entity 2 (`e2`) | Work plane (`wp`) |
|:---------------:|:---------------:|:-----------------:|
| [is_point] | [is_point] | Optional |
| [is_point] | [is_work_plane] | [Entity.FREE_IN_3D] |
| [is_point] | [is_line] | Optional |
| [is_point] | [is_circle] | Optional |
"""
cdef int t cdef int t
if e1.is_point() and e2.is_point(): if e1.is_point() and e2.is_point():
self.add_constraint(SLVS_C_POINTS_COINCIDENT, wp, 0., e1, e2, self.add_constraint(SLVS_C_POINTS_COINCIDENT, wp, 0., e1, e2,
@ -600,7 +705,17 @@ cdef class SolverSystem:
double value, double value,
Entity wp = _E_FREE_IN_3D Entity wp = _E_FREE_IN_3D
): ):
"""Distance constraint between two entities.""" """Distance constraint between two entities.
If `value` is equal to zero, then turn into
[coincident](#solversystemcoincident)
| Entity 1 (`e1`) | Entity 2 (`e2`) | Work plane (`wp`) |
|:---------------:|:---------------:|:-----------------:|
| [is_point] | [is_point] | Optional |
| [is_point] | [is_work_plane] | [Entity.FREE_IN_3D] |
| [is_point] | [is_line] | Optional |
"""
if value == 0.: if value == 0.:
self.coincident(e1, e2, wp) self.coincident(e1, e2, wp)
return return
@ -617,7 +732,18 @@ cdef class SolverSystem:
raise TypeError(f"unsupported entities: {e1}, {e2}, {wp}") raise TypeError(f"unsupported entities: {e1}, {e2}, {wp}")
cpdef void equal(self, Entity e1, Entity e2, Entity wp = _E_FREE_IN_3D): cpdef void equal(self, Entity e1, Entity e2, Entity wp = _E_FREE_IN_3D):
"""Equal constraint between two entities.""" """Equal constraint between two entities.
| Entity 1 (`e1`) | Entity 2 (`e2`) | Work plane (`wp`) |
|:---------------:|:---------------:|:-----------------:|
| [is_line] | [is_line] | Optional |
| [is_line] | [is_arc] | Optional |
| [is_line] | [is_circle] | Optional |
| [is_arc] | [is_arc] | Optional |
| [is_arc] | [is_circle] | Optional |
| [is_circle] | [is_circle] | Optional |
| [is_circle] | [is_arc] | Optional |
"""
if e1.is_line() and e2.is_line(): if e1.is_line() and e2.is_line():
self.add_constraint(SLVS_C_EQUAL_LENGTH_LINES, wp, 0., _E_NONE, self.add_constraint(SLVS_C_EQUAL_LENGTH_LINES, wp, 0., _E_NONE,
_E_NONE, e1, e2) _E_NONE, e1, e2)
@ -637,8 +763,9 @@ cdef class SolverSystem:
Entity e4, Entity e4,
Entity wp Entity wp
): ):
"""Constraint that line 1 and line 2, line 3 and line 4 """Constraint that 2D line 1 (`e1`) and line 2 (`e2`),
must have same included angle. line 3 (`e3`) and line 4 (`e4`) must have same included angle on work
plane `wp`.
""" """
if wp is _E_FREE_IN_3D: if wp is _E_FREE_IN_3D:
raise ValueError("this is a 2d constraint") raise ValueError("this is a 2d constraint")
@ -656,8 +783,9 @@ cdef class SolverSystem:
Entity e4, Entity e4,
Entity wp Entity wp
): ):
"""Constraint that point 1 and line 1, point 2 and line 2 """Constraint that point 1 (`e1`) and line 1 (`e2`),
must have same distance. point 2 (`e3`) and line 2 (`e4`) must have same distance on work
plane `wp`.
""" """
if wp is _E_FREE_IN_3D: if wp is _E_FREE_IN_3D:
raise ValueError("this is a 2d constraint") raise ValueError("this is a 2d constraint")
@ -667,7 +795,9 @@ cdef class SolverSystem:
raise TypeError(f"unsupported entities: {e1}, {e2}, {e3}, {e4}, {wp}") raise TypeError(f"unsupported entities: {e1}, {e2}, {e3}, {e4}, {wp}")
cpdef void ratio(self, Entity e1, Entity e2, double value, Entity wp): cpdef void ratio(self, Entity e1, Entity e2, double value, Entity wp):
"""The ratio constraint between two lines.""" """The ratio (`value`) constraint between two 2D lines (`e1` and
`e2`).
"""
if wp is _E_FREE_IN_3D: if wp is _E_FREE_IN_3D:
raise ValueError("this is a 2d constraint") raise ValueError("this is a 2d constraint")
if e1.is_line_2d() and e2.is_line_2d(): if e1.is_line_2d() and e2.is_line_2d():
@ -683,7 +813,14 @@ cdef class SolverSystem:
Entity e3 = _E_NONE, Entity e3 = _E_NONE,
Entity wp = _E_FREE_IN_3D Entity wp = _E_FREE_IN_3D
): ):
"""Symmetric constraint between two points.""" """Symmetric constraint between two points.
| Entity 1 (`e1`) | Entity 2 (`e2`) | Entity 3 (`e3`) | Work plane (`wp`) |
|:---------------:|:---------------:|:---------------:|:-----------------:|
| [is_point_3d] | [is_point_3d] | [is_work_plane] | [Entity.FREE_IN_3D] |
| [is_point_2d] | [is_point_2d] | [is_work_plane] | [Entity.FREE_IN_3D] |
| [is_point_2d] | [is_point_2d] | [is_line_2d] | Is not [Entity.FREE_IN_3D] |
"""
if e1.is_point_3d() and e2.is_point_3d() and e3.is_work_plane() and wp is _E_FREE_IN_3D: if e1.is_point_3d() and e2.is_point_3d() and e3.is_work_plane() and wp is _E_FREE_IN_3D:
self.add_constraint(SLVS_C_SYMMETRIC, wp, 0., e1, e2, e3, _E_NONE) self.add_constraint(SLVS_C_SYMMETRIC, wp, 0., e1, e2, e3, _E_NONE)
elif e1.is_point_2d() and e2.is_point_2d() and e3.is_work_plane() and wp is _E_FREE_IN_3D: elif e1.is_point_2d() and e2.is_point_2d() and e3.is_work_plane() and wp is _E_FREE_IN_3D:
@ -696,7 +833,10 @@ cdef class SolverSystem:
raise TypeError(f"unsupported entities: {e1}, {e2}, {e3}, {wp}") raise TypeError(f"unsupported entities: {e1}, {e2}, {e3}, {wp}")
cpdef void symmetric_h(self, Entity e1, Entity e2, Entity wp): cpdef void symmetric_h(self, Entity e1, Entity e2, Entity wp):
"""Symmetric constraint between two points with horizontal line.""" """Symmetric constraint between two 2D points (`e1` and `e2`)
with horizontal line on the work plane (`wp` can not be
[Entity.FREE_IN_3D]).
"""
if wp is _E_FREE_IN_3D: if wp is _E_FREE_IN_3D:
raise ValueError("this is a 2d constraint") raise ValueError("this is a 2d constraint")
if e1.is_point_2d() and e2.is_point_2d(): if e1.is_point_2d() and e2.is_point_2d():
@ -705,7 +845,10 @@ cdef class SolverSystem:
raise TypeError(f"unsupported entities: {e1}, {e2}, {wp}") raise TypeError(f"unsupported entities: {e1}, {e2}, {wp}")
cpdef void symmetric_v(self, Entity e1, Entity e2, Entity wp): cpdef void symmetric_v(self, Entity e1, Entity e2, Entity wp):
"""Symmetric constraint between two points with vertical line.""" """Symmetric constraint between two 2D points (`e1` and `e2`)
with vertical line on the work plane (`wp` can not be
[Entity.FREE_IN_3D]).
"""
if wp is _E_FREE_IN_3D: if wp is _E_FREE_IN_3D:
raise ValueError("this is a 2d constraint") raise ValueError("this is a 2d constraint")
if e1.is_point_2d() and e2.is_point_2d(): if e1.is_point_2d() and e2.is_point_2d():
@ -719,14 +862,18 @@ cdef class SolverSystem:
Entity e2, Entity e2,
Entity wp = _E_FREE_IN_3D Entity wp = _E_FREE_IN_3D
): ):
"""Midpoint constraint between a point and a line.""" """Midpoint constraint between a point (`e1`) and
a line (`e2`) on work plane (`wp`).
"""
if e1.is_point() and e2.is_line(): if e1.is_point() and e2.is_line():
self.add_constraint(SLVS_C_AT_MIDPOINT, wp, 0., e1, _E_NONE, e2, _E_NONE) self.add_constraint(SLVS_C_AT_MIDPOINT, wp, 0., e1, _E_NONE, e2, _E_NONE)
else: else:
raise TypeError(f"unsupported entities: {e1}, {e2}, {wp}") raise TypeError(f"unsupported entities: {e1}, {e2}, {wp}")
cpdef void horizontal(self, Entity e1, Entity wp): cpdef void horizontal(self, Entity e1, Entity wp):
"""Horizontal constraint of a 2d point.""" """Vertical constraint of a 2d point (`e1`) on
work plane (`wp` can not be [Entity.FREE_IN_3D]).
"""
if wp is _E_FREE_IN_3D: if wp is _E_FREE_IN_3D:
raise ValueError("this is a 2d constraint") raise ValueError("this is a 2d constraint")
if e1.is_line_2d(): if e1.is_line_2d():
@ -735,7 +882,9 @@ cdef class SolverSystem:
raise TypeError(f"unsupported entities: {e1}, {wp}") raise TypeError(f"unsupported entities: {e1}, {wp}")
cpdef void vertical(self, Entity e1, Entity wp): cpdef void vertical(self, Entity e1, Entity wp):
"""Vertical constraint of a 2d point.""" """Vertical constraint of a 2d point (`e1`) on
work plane (`wp` can not be [Entity.FREE_IN_3D]).
"""
if wp is _E_FREE_IN_3D: if wp is _E_FREE_IN_3D:
raise ValueError("this is a 2d constraint") raise ValueError("this is a 2d constraint")
if e1.is_line_2d(): if e1.is_line_2d():
@ -744,7 +893,13 @@ cdef class SolverSystem:
raise TypeError(f"unsupported entities: {e1}, {wp}") raise TypeError(f"unsupported entities: {e1}, {wp}")
cpdef void diameter(self, Entity e1, double value, Entity wp): cpdef void diameter(self, Entity e1, double value, Entity wp):
"""Diameter constraint of a circular entities.""" """Diameter (`value`) constraint of a circular entities.
| Entity 1 (`e1`) | Work plane (`wp`) |
|:---------------:|:-----------------:|
| [is_arc] | Optional |
| [is_circle] | Optional |
"""
if wp is _E_FREE_IN_3D: if wp is _E_FREE_IN_3D:
raise ValueError("this is a 2d constraint") raise ValueError("this is a 2d constraint")
if e1.is_arc() or e1.is_circle(): if e1.is_arc() or e1.is_circle():
@ -754,7 +909,9 @@ cdef class SolverSystem:
raise TypeError(f"unsupported entities: {e1}, {wp}") raise TypeError(f"unsupported entities: {e1}, {wp}")
cpdef void same_orientation(self, Entity e1, Entity e2): cpdef void same_orientation(self, Entity e1, Entity e2):
"""Equal orientation constraint between two 3d normals.""" """Equal orientation constraint between two 3d normals (`e1` and
`e2`).
"""
if e1.is_normal_3d() and e2.is_normal_3d(): if e1.is_normal_3d() and e2.is_normal_3d():
self.add_constraint(SLVS_C_SAME_ORIENTATION, _E_FREE_IN_3D, 0., self.add_constraint(SLVS_C_SAME_ORIENTATION, _E_FREE_IN_3D, 0.,
_E_NONE, _E_NONE, e1, e2) _E_NONE, _E_NONE, e1, e2)
@ -762,7 +919,9 @@ cdef class SolverSystem:
raise TypeError(f"unsupported entities: {e1}, {e2}") raise TypeError(f"unsupported entities: {e1}, {e2}")
cpdef void angle(self, Entity e1, Entity e2, double value, Entity wp, bint inverse = False): cpdef void angle(self, Entity e1, Entity e2, double value, Entity wp, bint inverse = False):
"""Degrees angle constraint between two 2d lines.""" """Degrees angle (`value`) constraint between two 2d lines (`e1` and
`e2`) on the work plane (`wp` can not be [Entity.FREE_IN_3D]).
"""
if wp is _E_FREE_IN_3D: if wp is _E_FREE_IN_3D:
raise ValueError("this is a 2d constraint") raise ValueError("this is a 2d constraint")
if e1.is_line_2d() and e2.is_line_2d(): if e1.is_line_2d() and e2.is_line_2d():
@ -772,7 +931,10 @@ cdef class SolverSystem:
raise TypeError(f"unsupported entities: {e1}, {e2}, {wp}") raise TypeError(f"unsupported entities: {e1}, {e2}, {wp}")
cpdef void perpendicular(self, Entity e1, Entity e2, Entity wp, bint inverse = False): cpdef void perpendicular(self, Entity e1, Entity e2, Entity wp, bint inverse = False):
"""Perpendicular constraint between two 2d lines.""" """Perpendicular constraint between two 2d lines (`e1` and `e2`)
on the work plane (`wp` can not be [Entity.FREE_IN_3D]) with
`inverse` option.
"""
if wp is _E_FREE_IN_3D: if wp is _E_FREE_IN_3D:
raise ValueError("this is a 2d constraint") raise ValueError("this is a 2d constraint")
if e1.is_line_2d() and e2.is_line_2d(): if e1.is_line_2d() and e2.is_line_2d():
@ -782,14 +944,26 @@ cdef class SolverSystem:
raise TypeError(f"unsupported entities: {e1}, {e2}, {wp}") raise TypeError(f"unsupported entities: {e1}, {e2}, {wp}")
cpdef void parallel(self, Entity e1, Entity e2, Entity wp = _E_FREE_IN_3D): cpdef void parallel(self, Entity e1, Entity e2, Entity wp = _E_FREE_IN_3D):
"""Parallel constraint between two lines.""" """Parallel constraint between two lines (`e1` and `e2`) on
the work plane (`wp`).
"""
if e1.is_line() and e2.is_line(): if e1.is_line() and e2.is_line():
self.add_constraint(SLVS_C_PARALLEL, wp, 0., _E_NONE, _E_NONE, e1, e2) self.add_constraint(SLVS_C_PARALLEL, wp, 0., _E_NONE, _E_NONE, e1, e2)
else: else:
raise TypeError(f"unsupported entities: {e1}, {e2}, {wp}") raise TypeError(f"unsupported entities: {e1}, {e2}, {wp}")
cpdef void tangent(self, Entity e1, Entity e2, Entity wp = _E_FREE_IN_3D): cpdef void tangent(self, Entity e1, Entity e2, Entity wp = _E_FREE_IN_3D):
"""Parallel constraint between two entities.""" """Parallel constraint between two entities (`e1` and `e2`) on the
work plane (`wp`).
| Entity 1 (`e1`) | Entity 2 (`e2`) | Work plane (`wp`) |
|:---------------:|:---------------:|:-----------------:|
| [is_arc] | [is_line_2d] | Is not [Entity.FREE_IN_3D] |
| [is_cubic] | [is_line_3d] | [Entity.FREE_IN_3D] |
| [is_arc] | [is_cubic] | Is not [Entity.FREE_IN_3D] |
| [is_arc] | [is_arc] | Is not [Entity.FREE_IN_3D] |
| [is_cubic] | [is_cubic] | Optional |
"""
if e1.is_arc() and e2.is_line_2d(): if e1.is_arc() and e2.is_line_2d():
if wp is _E_FREE_IN_3D: if wp is _E_FREE_IN_3D:
raise ValueError("this is a 2d constraint") raise ValueError("this is a 2d constraint")
@ -804,7 +978,9 @@ cdef class SolverSystem:
raise TypeError(f"unsupported entities: {e1}, {e2}, {wp}") raise TypeError(f"unsupported entities: {e1}, {e2}, {wp}")
cpdef void distance_proj(self, Entity e1, Entity e2, double value): cpdef void distance_proj(self, Entity e1, Entity e2, double value):
"""Projected distance constraint between two 3d points.""" """Projected distance (`value`) constraint between
two 3d points (`e1` and `e2`).
"""
if e1.is_point_3d() and e2.is_point_3d(): if e1.is_point_3d() and e2.is_point_3d():
self.add_constraint(SLVS_C_CURVE_CURVE_TANGENT, _E_FREE_IN_3D, self.add_constraint(SLVS_C_CURVE_CURVE_TANGENT, _E_FREE_IN_3D,
value, e1, e2, _E_NONE, _E_NONE) value, e1, e2, _E_NONE, _E_NONE)
@ -812,7 +988,7 @@ cdef class SolverSystem:
raise TypeError(f"unsupported entities: {e1}, {e2}") raise TypeError(f"unsupported entities: {e1}, {e2}")
cpdef void dragged(self, Entity e1, Entity wp = _E_FREE_IN_3D): cpdef void dragged(self, Entity e1, Entity wp = _E_FREE_IN_3D):
"""Dragged constraint of a point.""" """Dragged constraint of a point (`e1`) on the work plane (`wp`)."""
if e1.is_point(): if e1.is_point():
self.add_constraint(SLVS_C_WHERE_DRAGGED, wp, 0., e1, _E_NONE, _E_NONE, _E_NONE) self.add_constraint(SLVS_C_WHERE_DRAGGED, wp, 0., e1, _E_NONE, _E_NONE, _E_NONE)
else: else: