OCC.BndLib module

class BndLib_Add2dCurve

Bases: object

static Add(*args)
  • Adds to the bounding box B the curve C B is then enlarged by the tolerance value Tol. Note: depending on the type of curve, one of the following representations of the curve C is used to include it in the bounding box B: - an exact representation if C is built from a line, a circle or a conic curve, - the poles of the curve if C is built from a Bezier curve or a BSpline curve, - if not, the points of an approximation of the curve C. Warning C is an adapted curve, that is, an object which is an interface between: - the services provided by a 2D curve from the package Geom2d - and those required of the curve by the computation algorithm. The adapted curve is created in the following way: Handle_Geom2d_Curve mycurve = ... ; Geom2dAdaptor_Curve C(mycurve); The bounding box B is then enlarged by adding it: Bnd_Box2d B; // ... Standard_Real Tol = ... ; Add2dCurve::Add ( C, Tol, B ); Exceptions Standard_Failure if the curve is built from: - a Geom_Line, or - a Geom_Parabola, or - a Geom_Hyperbola, and P1 and P2 are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
  • C (Adaptor2d_Curve2d &) –
  • Tol (float) –
  • B (Bnd_Box2d &) –
Return type:

void

  • Adds to the bounding box Bthe arc of the curve C limited by the two parameter values P1 and P2. B is then enlarged by the tolerance value Tol. Note: depending on the type of curve, one of the following representations of the curve C is used to include it in the bounding box B: - an exact representation if C is built from a line, a circle or a conic curve, - the poles of the curve if C is built from a Bezier curve or a BSpline curve, - if not, the points of an approximation of the curve C. Warning C is an adapted curve, that is, an object which is an interface between: - the services provided by a 2D curve from the package Geom2d - and those required of the curve by the computation algorithm. The adapted curve is created in the following way: Handle_Geom2d_Curve mycurve = ... ; Geom2dAdaptor_Curve C(mycurve); The bounding box B is then enlarged by adding it: Bnd_Box2d B; // ... Standard_Real Tol = ... ; Add2dCurve::Add ( C, Tol, B ); Exceptions Standard_Failure if the curve is built from: - a Geom_Line, or - a Geom_Parabola, or - a Geom_Hyperbola, and P1 and P2 are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
  • C (Adaptor2d_Curve2d &) –
  • U1 (float) –
  • U2 (float) –
  • Tol (float) –
  • B (Bnd_Box2d &) –
Return type:

void

  • Adds to the bounding box B the curve C B is then enlarged by the tolerance value Tol. Note: depending on the type of curve, one of the following representations of the curve C is used to include it in the bounding box B: - an exact representation if C is built from a line, a circle or a conic curve, - the poles of the curve if C is built from a Bezier curve or a BSpline curve, - if not, the points of an approximation of the curve C.
Parameters:
  • C (Handle_Geom2d_Curve &) –
  • Tol (float) –
  • Box (Bnd_Box2d &) –
Return type:

void

  • Adds to the bounding box B the part of curve C B is then enlarged by the tolerance value Tol. U1, U2 - the parametric range to comute the bounding box; Note: depending on the type of curve, one of the following representations of the curve C is used to include it in the bounding box B: - an exact representation if C is built from a line, a circle or a conic curve, - the poles of the curve if C is built from a Bezier curve or a BSpline curve, - if not, the points of an approximation of the curve C.
Parameters:
  • C (Handle_Geom2d_Curve &) –
  • U1 (float) –
  • U2 (float) –
  • Tol (float) –
  • B (Bnd_Box2d &) –
Return type:

void

thisown

The membership flag

BndLib_Add2dCurve_Add(*args)
  • Adds to the bounding box B the curve C B is then enlarged by the tolerance value Tol. Note: depending on the type of curve, one of the following representations of the curve C is used to include it in the bounding box B: - an exact representation if C is built from a line, a circle or a conic curve, - the poles of the curve if C is built from a Bezier curve or a BSpline curve, - if not, the points of an approximation of the curve C. Warning C is an adapted curve, that is, an object which is an interface between: - the services provided by a 2D curve from the package Geom2d - and those required of the curve by the computation algorithm. The adapted curve is created in the following way: Handle_Geom2d_Curve mycurve = ... ; Geom2dAdaptor_Curve C(mycurve); The bounding box B is then enlarged by adding it: Bnd_Box2d B; // ... Standard_Real Tol = ... ; Add2dCurve::Add ( C, Tol, B ); Exceptions Standard_Failure if the curve is built from: - a Geom_Line, or - a Geom_Parabola, or - a Geom_Hyperbola, and P1 and P2 are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
  • C (Adaptor2d_Curve2d &) –
  • Tol (float) –
  • B (Bnd_Box2d &) –
Return type:

void

  • Adds to the bounding box Bthe arc of the curve C limited by the two parameter values P1 and P2. B is then enlarged by the tolerance value Tol. Note: depending on the type of curve, one of the following representations of the curve C is used to include it in the bounding box B: - an exact representation if C is built from a line, a circle or a conic curve, - the poles of the curve if C is built from a Bezier curve or a BSpline curve, - if not, the points of an approximation of the curve C. Warning C is an adapted curve, that is, an object which is an interface between: - the services provided by a 2D curve from the package Geom2d - and those required of the curve by the computation algorithm. The adapted curve is created in the following way: Handle_Geom2d_Curve mycurve = ... ; Geom2dAdaptor_Curve C(mycurve); The bounding box B is then enlarged by adding it: Bnd_Box2d B; // ... Standard_Real Tol = ... ; Add2dCurve::Add ( C, Tol, B ); Exceptions Standard_Failure if the curve is built from: - a Geom_Line, or - a Geom_Parabola, or - a Geom_Hyperbola, and P1 and P2 are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
  • C (Adaptor2d_Curve2d &) –
  • U1 (float) –
  • U2 (float) –
  • Tol (float) –
  • B (Bnd_Box2d &) –
Return type:

void

  • Adds to the bounding box B the curve C B is then enlarged by the tolerance value Tol. Note: depending on the type of curve, one of the following representations of the curve C is used to include it in the bounding box B: - an exact representation if C is built from a line, a circle or a conic curve, - the poles of the curve if C is built from a Bezier curve or a BSpline curve, - if not, the points of an approximation of the curve C.
Parameters:
  • C (Handle_Geom2d_Curve &) –
  • Tol (float) –
  • Box (Bnd_Box2d &) –
Return type:

void

  • Adds to the bounding box B the part of curve C B is then enlarged by the tolerance value Tol. U1, U2 - the parametric range to comute the bounding box; Note: depending on the type of curve, one of the following representations of the curve C is used to include it in the bounding box B: - an exact representation if C is built from a line, a circle or a conic curve, - the poles of the curve if C is built from a Bezier curve or a BSpline curve, - if not, the points of an approximation of the curve C.
Parameters:
  • C (Handle_Geom2d_Curve &) –
  • U1 (float) –
  • U2 (float) –
  • Tol (float) –
  • B (Bnd_Box2d &) –
Return type:

void

class BndLib_Add3dCurve

Bases: object

static Add(*args)
  • Adds to the bounding box B the curve C B is then enlarged by the tolerance value Tol. Note: depending on the type of curve, one of the following representations of the curve C is used to include it in the bounding box B: - an exact representation if C is built from a line, a circle or a conic curve, - the poles of the curve if C is built from a Bezier curve or a BSpline curve, if not, the points of an approximation of the curve C. Warning C is an adapted curve, that is, an object which is an interface between: - the services provided by a 3D curve from the package Geom - and those required of the curve by the computation algorithm. The adapted curve is created in the following way: Handle_Geom_Curve mycurve = ... ; GeomAdaptor_Curve C(mycurve); The bounding box B is then enlarged by adding it: Bnd_Box B; // ... Standard_Real Tol = ... ; Add3dCurve::Add ( C, Tol, B ); Exceptions Standard_Failure if the curve is built from: - a Geom_Line, or - a Geom_Parabola, or - a Geom_Hyperbola, and P1 and P2 are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
  • C (Adaptor3d_Curve &) –
  • Tol (float) –
  • B (Bnd_Box &) –
Return type:

void

  • Adds to the bounding box B the curve C the arc of the curve C limited by the two parameter values P1 and P2. Note: depending on the type of curve, one of the following representations of the curve C is used to include it in the bounding box B: - an exact representation if C is built from a line, a circle or a conic curve, - the poles of the curve if C is built from a Bezier curve or a BSpline curve, if not, the points of an approximation of the curve C. Warning C is an adapted curve, that is, an object which is an interface between: - the services provided by a 3D curve from the package Geom - and those required of the curve by the computation algorithm. The adapted curve is created in the following way: Handle_Geom_Curve mycurve = ... ; GeomAdaptor_Curve C(mycurve); The bounding box B is then enlarged by adding it: Bnd_Box B; // ... Standard_Real Tol = ... ; Add3dCurve::Add ( C, Tol, B ); Exceptions Standard_Failure if the curve is built from: - a Geom_Line, or - a Geom_Parabola, or - a Geom_Hyperbola, and P1 and P2 are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
  • C (Adaptor3d_Curve &) –
  • U1 (float) –
  • U2 (float) –
  • Tol (float) –
  • B (Bnd_Box &) –
Return type:

void

thisown

The membership flag

BndLib_Add3dCurve_Add(*args)
  • Adds to the bounding box B the curve C B is then enlarged by the tolerance value Tol. Note: depending on the type of curve, one of the following representations of the curve C is used to include it in the bounding box B: - an exact representation if C is built from a line, a circle or a conic curve, - the poles of the curve if C is built from a Bezier curve or a BSpline curve, if not, the points of an approximation of the curve C. Warning C is an adapted curve, that is, an object which is an interface between: - the services provided by a 3D curve from the package Geom - and those required of the curve by the computation algorithm. The adapted curve is created in the following way: Handle_Geom_Curve mycurve = ... ; GeomAdaptor_Curve C(mycurve); The bounding box B is then enlarged by adding it: Bnd_Box B; // ... Standard_Real Tol = ... ; Add3dCurve::Add ( C, Tol, B ); Exceptions Standard_Failure if the curve is built from: - a Geom_Line, or - a Geom_Parabola, or - a Geom_Hyperbola, and P1 and P2 are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
  • C (Adaptor3d_Curve &) –
  • Tol (float) –
  • B (Bnd_Box &) –
Return type:

void

  • Adds to the bounding box B the curve C the arc of the curve C limited by the two parameter values P1 and P2. Note: depending on the type of curve, one of the following representations of the curve C is used to include it in the bounding box B: - an exact representation if C is built from a line, a circle or a conic curve, - the poles of the curve if C is built from a Bezier curve or a BSpline curve, if not, the points of an approximation of the curve C. Warning C is an adapted curve, that is, an object which is an interface between: - the services provided by a 3D curve from the package Geom - and those required of the curve by the computation algorithm. The adapted curve is created in the following way: Handle_Geom_Curve mycurve = ... ; GeomAdaptor_Curve C(mycurve); The bounding box B is then enlarged by adding it: Bnd_Box B; // ... Standard_Real Tol = ... ; Add3dCurve::Add ( C, Tol, B ); Exceptions Standard_Failure if the curve is built from: - a Geom_Line, or - a Geom_Parabola, or - a Geom_Hyperbola, and P1 and P2 are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
  • C (Adaptor3d_Curve &) –
  • U1 (float) –
  • U2 (float) –
  • Tol (float) –
  • B (Bnd_Box &) –
Return type:

void

class BndLib_AddSurface

Bases: object

static Add(*args)
  • Adds to the bounding box B the surface S B is then enlarged by the tolerance value Tol. Note: depending on the type of curve, one of the following representations of the surface S is used to include it in the bounding box B: - an exact representation if S is built from a plane, a cylinder, a cone, a sphere or a torus, - the poles of the surface if S is built from a Bezier surface or a BSpline surface, - the points of an approximation of the surface S in cases other than offset surfaces; - in the case of an offset surface, the basis surface is first included according to the previous rules; then the bounding box is enlarged by the offset value. Warning Do not use these functions to add a non-finite surface to the bounding box B. If UMin, UMax, VMin or VMax is an infinite value B will become WholeSpace. S is an adapted surface, that is, an object which is an interface between: - the services provided by a surface from the package Geom - and those required of the surface by the computation algorithm. The adapted surface is created in the following way: Handle_Geom_Surface mysurface = ... ; GeomAdaptor_Surface S(mysurface); The bounding box B is then enlarged by adding this surface: Bnd_Box B; // ... Standard_Real Tol = ... ; AddSurface::Add ( S, Tol, B );
Parameters:
  • S (Adaptor3d_Surface &) –
  • Tol (float) –
  • B (Bnd_Box &) –
Return type:

void

  • Adds to the bounding box B the surface S the patch of the surface S limited in the u parametric direction by the two parameter values UMin, UMax, and in the v parametric direction by the two parameter values VMin, VMax. Note: depending on the type of curve, one of the following representations of the surface S is used to include it in the bounding box B: - an exact representation if S is built from a plane, a cylinder, a cone, a sphere or a torus, - the poles of the surface if S is built from a Bezier surface or a BSpline surface, - the points of an approximation of the surface S in cases other than offset surfaces; - in the case of an offset surface, the basis surface is first included according to the previous rules; then the bounding box is enlarged by the offset value. Warning Do not use these functions to add a non-finite surface to the bounding box B. If UMin, UMax, VMin or VMax is an infinite value B will become WholeSpace. S is an adapted surface, that is, an object which is an interface between: - the services provided by a surface from the package Geom - and those required of the surface by the computation algorithm. The adapted surface is created in the following way: Handle_Geom_Surface mysurface = ... ; GeomAdaptor_Surface S(mysurface); The bounding box B is then enlarged by adding this surface: Bnd_Box B; // ... Standard_Real Tol = ... ; AddSurface::Add ( S, Tol, B );
Parameters:
  • S (Adaptor3d_Surface &) –
  • UMin (float) –
  • UMax (float) –
  • VMin (float) –
  • VMax (float) –
  • Tol (float) –
  • B (Bnd_Box &) –
Return type:

void

thisown

The membership flag

BndLib_AddSurface_Add(*args)
  • Adds to the bounding box B the surface S B is then enlarged by the tolerance value Tol. Note: depending on the type of curve, one of the following representations of the surface S is used to include it in the bounding box B: - an exact representation if S is built from a plane, a cylinder, a cone, a sphere or a torus, - the poles of the surface if S is built from a Bezier surface or a BSpline surface, - the points of an approximation of the surface S in cases other than offset surfaces; - in the case of an offset surface, the basis surface is first included according to the previous rules; then the bounding box is enlarged by the offset value. Warning Do not use these functions to add a non-finite surface to the bounding box B. If UMin, UMax, VMin or VMax is an infinite value B will become WholeSpace. S is an adapted surface, that is, an object which is an interface between: - the services provided by a surface from the package Geom - and those required of the surface by the computation algorithm. The adapted surface is created in the following way: Handle_Geom_Surface mysurface = ... ; GeomAdaptor_Surface S(mysurface); The bounding box B is then enlarged by adding this surface: Bnd_Box B; // ... Standard_Real Tol = ... ; AddSurface::Add ( S, Tol, B );
Parameters:
  • S (Adaptor3d_Surface &) –
  • Tol (float) –
  • B (Bnd_Box &) –
Return type:

void

  • Adds to the bounding box B the surface S the patch of the surface S limited in the u parametric direction by the two parameter values UMin, UMax, and in the v parametric direction by the two parameter values VMin, VMax. Note: depending on the type of curve, one of the following representations of the surface S is used to include it in the bounding box B: - an exact representation if S is built from a plane, a cylinder, a cone, a sphere or a torus, - the poles of the surface if S is built from a Bezier surface or a BSpline surface, - the points of an approximation of the surface S in cases other than offset surfaces; - in the case of an offset surface, the basis surface is first included according to the previous rules; then the bounding box is enlarged by the offset value. Warning Do not use these functions to add a non-finite surface to the bounding box B. If UMin, UMax, VMin or VMax is an infinite value B will become WholeSpace. S is an adapted surface, that is, an object which is an interface between: - the services provided by a surface from the package Geom - and those required of the surface by the computation algorithm. The adapted surface is created in the following way: Handle_Geom_Surface mysurface = ... ; GeomAdaptor_Surface S(mysurface); The bounding box B is then enlarged by adding this surface: Bnd_Box B; // ... Standard_Real Tol = ... ; AddSurface::Add ( S, Tol, B );
Parameters:
  • S (Adaptor3d_Surface &) –
  • UMin (float) –
  • UMax (float) –
  • VMin (float) –
  • VMax (float) –
  • Tol (float) –
  • B (Bnd_Box &) –
Return type:

void

class SwigPyIterator(*args, **kwargs)

Bases: object

advance()
copy()
decr()
distance()
equal()
incr()
next()
previous()
thisown

The membership flag

value()
class bndlib

Bases: object

static Add(*args)
  • Bounding box for a surface trimmed or not Adds the segment of the line L limited by the two parameter values P1 and P2, to the bounding box B, and then enlarges B by the tolerance value Tol. Tol is the tolerance value to enlarge the minimun and maximum dimension P1 and P2 may represent infinite values. Exceptions Standard_Failure if P1 and P2 are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
Return type:

void

Return type:

void

Return type:

void

  • P2-P1 can be in [0,2*pi]
Parameters:
Return type:

void

Return type:

void

  • Adds the circle C, or the arc of the circle C limited by the two parameter values P1 and P2, to the bounding box B, and then enlarges B by the tolerance value Tol. P2-P1 can be in [0,2*pi]
Parameters:
Return type:

void

Return type:

void

  • P2-P1 can be in [0,2*pi]
Parameters:
Return type:

void

Return type:

void

  • Adds the ellipse E, or the arc of the ellipse E limited by the two parameter values P1 and P2, to the bounding box B, and then enlarges B by the tolerance value Tol. P2-P1 can be in [0,2*pi]
Parameters:
Return type:

void

Return type:

void

  • Adds the arc of the parabola P limited by the two parameter values P1 and P2, to the bounding box B, and then enlarges B by the tolerance value Tol. P1 and P2 may represent infinite values. Exceptions Standard_Failure if P1 and P2 are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
Return type:

void

Return type:

void

  • Adds the arc of the branch of hyperbola H limited by the two parameter values P1 and P2, to the bounding box B, and then enlarges B by the tolerance value Tol. P1 and P2 may represent infinite values. Exceptions Standard_Failure if P1 and P2 are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
Return type:

void

  • UMax -UMin can be in [0,2*pi]
Parameters:
Return type:

void

  • Adds to the bounding box B, the patch of the cylinder S limited - in the v parametric direction, by the two parameter values VMin and VMax - and optionally in the u parametric direction, by the two parameter values UMin and UMax. B is then enlarged by the tolerance value Tol. VMin and VMax may represent infinite values. Exceptions Standard_Failure if VMin and VMax are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
Return type:

void

  • UMax-UMin can be in [0,2*pi]
Parameters:
Return type:

void

  • Adds to the bounding box B, the patch of the cone S limited - in the v parametric direction, by the two parameter values VMin and VMax - and optionally in the u parametric direction, by the two parameter values UMin and UMax, B is then enlarged by the tolerance value Tol. VMin and VMax may represent infinite values. Exceptions Standard_Failure if VMin and VMax are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
Return type:

void

Return type:

void

  • Adds to the bounding box B the sphere S, or - the patch of the sphere S, limited in the u parametric direction, by the two parameter values UMin and UMax, and in the v parametric direction, by the two parameter values VMin and VMax. B is then enlarged by the tolerance value Tol. UMax-UMin can be in [0,2*pi] VMin,VMax can be [-pi/2,pi/2]
Parameters:
Return type:

void

Return type:

void

  • Adds to the bounding box B - the torus S, or - the patch of the torus S, limited in the u parametric direction, by the two parameter values UMin and UMax, and in the v parametric direction, by the two parameter values VMin and VMax. B is then enlarged by the tolerance value Tol. UMax-UMin can be in [0,2*pi], VMin,VMax can be [-pi/2,pi/2]
Parameters:
Return type:

void

thisown

The membership flag

bndlib_Add(*args)
  • Bounding box for a surface trimmed or not Adds the segment of the line L limited by the two parameter values P1 and P2, to the bounding box B, and then enlarges B by the tolerance value Tol. Tol is the tolerance value to enlarge the minimun and maximum dimension P1 and P2 may represent infinite values. Exceptions Standard_Failure if P1 and P2 are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
Return type:

void

Return type:

void

Return type:

void

  • P2-P1 can be in [0,2*pi]
Parameters:
Return type:

void

Return type:

void

  • Adds the circle C, or the arc of the circle C limited by the two parameter values P1 and P2, to the bounding box B, and then enlarges B by the tolerance value Tol. P2-P1 can be in [0,2*pi]
Parameters:
Return type:

void

Return type:

void

  • P2-P1 can be in [0,2*pi]
Parameters:
Return type:

void

Return type:

void

  • Adds the ellipse E, or the arc of the ellipse E limited by the two parameter values P1 and P2, to the bounding box B, and then enlarges B by the tolerance value Tol. P2-P1 can be in [0,2*pi]
Parameters:
Return type:

void

Return type:

void

  • Adds the arc of the parabola P limited by the two parameter values P1 and P2, to the bounding box B, and then enlarges B by the tolerance value Tol. P1 and P2 may represent infinite values. Exceptions Standard_Failure if P1 and P2 are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
Return type:

void

Return type:

void

  • Adds the arc of the branch of hyperbola H limited by the two parameter values P1 and P2, to the bounding box B, and then enlarges B by the tolerance value Tol. P1 and P2 may represent infinite values. Exceptions Standard_Failure if P1 and P2 are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
Return type:

void

  • UMax -UMin can be in [0,2*pi]
Parameters:
Return type:

void

  • Adds to the bounding box B, the patch of the cylinder S limited - in the v parametric direction, by the two parameter values VMin and VMax - and optionally in the u parametric direction, by the two parameter values UMin and UMax. B is then enlarged by the tolerance value Tol. VMin and VMax may represent infinite values. Exceptions Standard_Failure if VMin and VMax are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
Return type:

void

  • UMax-UMin can be in [0,2*pi]
Parameters:
Return type:

void

  • Adds to the bounding box B, the patch of the cone S limited - in the v parametric direction, by the two parameter values VMin and VMax - and optionally in the u parametric direction, by the two parameter values UMin and UMax, B is then enlarged by the tolerance value Tol. VMin and VMax may represent infinite values. Exceptions Standard_Failure if VMin and VMax are either two negative infinite real numbers, or two positive infinite real numbers.
Parameters:
Return type:

void

Return type:

void

  • Adds to the bounding box B the sphere S, or - the patch of the sphere S, limited in the u parametric direction, by the two parameter values UMin and UMax, and in the v parametric direction, by the two parameter values VMin and VMax. B is then enlarged by the tolerance value Tol. UMax-UMin can be in [0,2*pi] VMin,VMax can be [-pi/2,pi/2]
Parameters:
Return type:

void

Return type:

void

  • Adds to the bounding box B - the torus S, or - the patch of the torus S, limited in the u parametric direction, by the two parameter values UMin and UMax, and in the v parametric direction, by the two parameter values VMin and VMax. B is then enlarged by the tolerance value Tol. UMax-UMin can be in [0,2*pi], VMin,VMax can be [-pi/2,pi/2]
Parameters:
Return type:

void

register_handle(handle, base_object)

Inserts the handle into the base object to prevent memory corruption in certain cases