OCC.Core.IntAna2d module

IntAna2d module, see official documentation at https://www.opencascade.com/doc/occt-7.4.0/refman/html/package_intana2d.html

class IntAna2d_AnaIntersection(*args)

Bases: object

• Empty constructor. IsDone returns False.

  rtype

  None* Intersection between two lines.

  param L1

  type L1

  gp_Lin2d

  param L2

  type L2

  gp_Lin2d

  rtype

  None* Intersection between two circles.

  param C1

  type C1

  gp_Circ2d

  param C2

  type C2

  gp_Circ2d

  rtype

  None* Intersection between a line and a circle.

  param L

  type L

  gp_Lin2d

  param C

  type C

  gp_Circ2d

  rtype

  None* Intersection between a line and a conic.

  param L

  type L

  gp_Lin2d

  param C

  type C

  IntAna2d_Conic

  rtype

  None* Intersection between a circle and another conic.

  param C

  type C

  gp_Circ2d

  param Co

  type Co

  IntAna2d_Conic

  rtype

  None* Intersection between an ellipse and another conic.

  param E

  type E

  gp_Elips2d

  param C

  type C

  IntAna2d_Conic

  rtype

  None* Intersection between a parabola and another conic.

  param P

  type P

  gp_Parab2d

  param C

  type C

  IntAna2d_Conic

  rtype

  None* Intersection between an hyperbola and another conic.

  param H

  type H

  gp_Hypr2d

  param C

  type C

  IntAna2d_Conic

  rtype

  None

IdenticalElements()

• For the intersection between an element of gp and a conic known by an implicit equation, the result will be True if the element of gp verifies the implicit equation. For the intersection between two Lin2d or two Circ2d, the result will be True if the elements are identical. The function returns False in all the other cases.

  rtype

  bool

IsDone()

• Returns True if the computation was succesfull.

  rtype

  bool

IsEmpty()

• Returns True when there is no intersection, i-e - no intersection point - the elements are not identical. The element may be parallel in this case.

  rtype

  bool

NbPoints()

• returns the number of IntPoint between the 2 curves.

  rtype

  int

ParallelElements()

• For the intersection between two Lin2d or two Circ2d, the function returns True if the elements are parallel. The function returns False in all the other cases.

  rtype

  bool

Perform()

• Intersection between two lines.

  param L1

  type L1

  gp_Lin2d

  param L2

  type L2

  gp_Lin2d

  rtype

  None* Intersection between two circles.

  param C1

  type C1

  gp_Circ2d

  param C2

  type C2

  gp_Circ2d

  rtype

  None* Intersection between a line and a circle.

  param L

  type L

  gp_Lin2d

  param C

  type C

  gp_Circ2d

  rtype

  None* Intersection between a line and a conic.

  param L

  type L

  gp_Lin2d

  param C

  type C

  IntAna2d_Conic

  rtype

  None* Intersection between a circle and another conic.

  param C

  type C

  gp_Circ2d

  param Co

  type Co

  IntAna2d_Conic

  rtype

  None* Intersection between an ellipse and another conic.

  param E

  type E

  gp_Elips2d

  param C

  type C

  IntAna2d_Conic

  rtype

  None* Intersection between a parabola and another conic.

  param P

  type P

  gp_Parab2d

  param C

  type C

  IntAna2d_Conic

  rtype

  None* Intersection between an hyperbola and another conic.

  param H

  type H

  gp_Hypr2d

  param C

  type C

  IntAna2d_Conic

  rtype

  None

Point()

• returns the intersection point of range N; If (N<=0) or (N>NbPoints), an exception is raised.

  param N

  type N

  int

  rtype

  IntAna2d_IntPoint

property thisown

The membership flag

class IntAna2d_Conic(*args)

Bases: object

Parameters

C –

type C

gp_Circ2d

rtype

None:param C:

type C

gp_Lin2d

rtype

None:param C:

type C

gp_Parab2d

rtype

None:param C:

type C

gp_Hypr2d

rtype

None:param C:

type C

gp_Elips2d

rtype

None

Coefficients()

• returns the coefficients of the polynomial equation wich defines the conic: A.X**2 + B.Y**2 + 2.C.X*Y + 2.D.X + 2.E.Y + F = 0.

  param A

  type A

  float

  param B

  type B

  float

  param C

  type C

  float

  param D

  type D

  float

  param E

  type E

  float

  param F

  type F

  float

  rtype

  None

Grad()

• returns the value of the gradient of F at the point X,Y.

  param X

  type X

  float

  param Y

  type Y

  float

  rtype

  gp_XY

NewCoefficients()

• Returns the coefficients of the polynomial equation ( written in the natural coordinates system ) A x x + B y y + 2 C x y + 2 D x + 2 E y + F in the local coordinates system defined by Axis

  param A

  type A

  float

  param B

  type B

  float

  param C

  type C

  float

  param D

  type D

  float

  param E

  type E

  float

  param F

  type F

  float

  param Axis

  type Axis

  gp_Ax2d

  rtype

  None

ValAndGrad()

• Returns the value of the function and its gradient at the point X,Y.

  param X

  type X

  float

  param Y

  type Y

  float

  param Val

  type Val

  float

  param Grd

  type Grd

  gp_XY

  rtype

  None

Value()

• value of the function F at the point X,Y.

  param X

  type X

  float

  param Y

  type Y

  float

  rtype

  float

property thisown

The membership flag

class IntAna2d_IntPoint(*args)

Bases: object

• Create an intersection point between 2 parametric 2d lines. X,Y are the coordinate of the point. U1 is the parameter on the first element, U2 the parameter on the second one.

  param X

  type X

  float

  param Y

  type Y

  float

  param U1

  type U1

  float

  param U2

  type U2

  float

  rtype

  None* Create an intersection point between a parametric 2d line, and a line given by an implicit equation (ImplicitCurve). X,Y are the coordinate of the point. U1 is the parameter on the parametric element. Empty constructor. It’s necessary to use one of the SetValue method after this one.

  param X

  type X

  float

  param Y

  type Y

  float

  param U1

  type U1

  float

  rtype

  None:rtype: None

ParamOnFirst()

• Returns the parameter on the first element.

  rtype

  float

ParamOnSecond()

• Returns the parameter on the second element. If the second element is an implicit curve, an exception is raised.

  rtype

  float

SecondIsImplicit()

• Returns True if the second curve is implicit.

  rtype

  bool

SetValue()

• Set the values for a ‘non-implicit’ point.

  param X

  type X

  float

  param Y

  type Y

  float

  param U1

  type U1

  float

  param U2

  type U2

  float

  rtype

  void* Set the values for an ‘implicit’ point.

  param X

  type X

  float

  param Y

  type Y

  float

  param U1

  type U1

  float

  rtype

  void

Value()

• Returns the geometric point.

  rtype

  gp_Pnt2d

property thisown

The membership flag

class SwigPyIterator(*args, **kwargs)

Bases: object

advance()

copy()

decr()

distance()

equal()

incr()

next()

previous()

property thisown

The membership flag

value()