OCC.Hatch module

The Hatch package provides algorithm to computecross-hatchings on a 2D face.The Hatcher algorithms stores a set of lines inthe 2D plane.The user stores lines in the Hatcher and afterwardtrim them with other lines.At any moment when trimming the user can ask forany line if it is intersected and how manyintervals are defined on the line by the trim.

class Handle_Hatch_SequenceNodeOfSequenceOfLine(*args)

Bases: OCC.TCollection.Handle_TCollection_SeqNode

static DownCast()
GetObject()
IsNull()
Nullify()
thisown

The membership flag

class Handle_Hatch_SequenceNodeOfSequenceOfParameter(*args)

Bases: OCC.TCollection.Handle_TCollection_SeqNode

static DownCast()
GetObject()
IsNull()
Nullify()
thisown

The membership flag

class Hatch_Hatcher(*args)

Bases: object

  • Returns a empty hatcher. <Tol> is the tolerance for intersections.
Parameters:
  • Tol (float) –
  • Oriented (bool) – default value is Standard_True
Return type:

None
AddLine()
  • Add a line <L> to be trimmed. <T> the type is only kept from information. It is not used in the computation.
Parameters:
  • L (gp_Lin2d) –
  • T (Hatch_LineForm) – default value is Hatch_ANYLINE
Return type:

None
  • Add an infinite line on direction <D> at distance <Dist> from the origin to be trimmed. <Dist> may be negative. //! If O is the origin of the 2D plane, and V the vector perpendicular to D (in the direct direction). //! A point P is on the line if : OP dot V = Dist The parameter of P on the line is OP dot D
Parameters:
Return type:

None
AddXLine()
  • Add an infinite line parallel to the Y-axis at abciss <X>.
Parameters:X (float) –
Return type:None
AddYLine()
  • Add an infinite line parallel to the X-axis at ordinate <Y>.
Parameters:Y (float) –
Return type:None
Coordinate()
  • Returns the X or Y coordinate of the line of index <I> if it is a X or a Y line.
Parameters:I (int) –
Return type:float
End()
  • Returns the last parameter of interval <J> on line <I>.
Parameters:
Return type:

float
EndIndex()
  • Returns the last Index and Par2 of interval <J> on line <I>.
Parameters:
  • I (int) –
  • J (int) –
  • Index (int &) –
  • Par2 (float &) –
Return type:

None
IsXLine()
  • Returns True if the line of index <I> has a constant X value.
Parameters:I (int) –
Return type:bool
IsYLine()
  • Returns True if the line of index <I> has a constant Y value.
Parameters:I (int) –
Return type:bool
Line()
  • Returns the line of index <I>.
Parameters:I (int) –
Return type:gp_Lin2d
LineForm()
  • Returns the type of the line of index <I>.
Parameters:I (int) –
Return type:Hatch_LineForm
NbIntervals()
  • Returns the total number of intervals on all the lines.
Return type:int
  • Returns the number of intervals on line of index <I>.
Parameters:I (int) –
Return type:int
NbLines()
  • Returns the number of lines.
Return type:int
Start()
  • Returns the first parameter of interval <J> on line <I>.
Parameters:
Return type:

float
StartIndex()
  • Returns the first Index and Par2 of interval <J> on line <I>.
Parameters:
  • I (int) –
  • J (int) –
  • Index (int &) –
  • Par2 (float &) –
Return type:

None
Tolerance()
Parameters:Tol (float) –
Return type:None
Return type:float
Trim()
  • Trims the lines at intersections with <L>.
Parameters:
Return type:

None
  • Trims the lines at intersections with <L> in the parameter range <Start>, <End>
Parameters:
Return type:

None
  • Trims the line at intersection with the oriented segment P1,P2.
Parameters:
Return type:

None
thisown

The membership flag

class Hatch_Line(*args)

Bases: object

Return type:

None
Parameters:
  • L (gp_Lin2d) –
  • T (Hatch_LineForm) –
Return type:

None
AddIntersection()
  • Insert a new intersection in the sorted list.
Parameters:
Return type:

None
thisown

The membership flag

class Hatch_Parameter(*args)

Bases: object

Return type:

None
Parameters:
  • Par1 (float) –
  • Start (bool) –
  • Index (int) – default value is 0
  • Par2 (float) – default value is 0
Return type:

None
thisown

The membership flag

class Hatch_SequenceNodeOfSequenceOfLine(*args)

Bases: OCC.TCollection.TCollection_SeqNode

Parameters:
  • I (Hatch_Line &) –
  • n (TCollection_SeqNodePtr &) –
  • p (TCollection_SeqNodePtr &) –
Return type:

None
GetHandle()
Value()
Return type:Hatch_Line
thisown

The membership flag

class Hatch_SequenceNodeOfSequenceOfParameter(*args)

Bases: OCC.TCollection.TCollection_SeqNode

Parameters:
  • I (Hatch_Parameter &) –
  • n (TCollection_SeqNodePtr &) –
  • p (TCollection_SeqNodePtr &) –
Return type:

None
GetHandle()
Value()
Return type:Hatch_Parameter
thisown

The membership flag

class Hatch_SequenceOfLine(*args)

Bases: OCC.TCollection.TCollection_BaseSequence

Return type:None
Parameters:Other (Hatch_SequenceOfLine &) –
Return type:None
Append()
Parameters:
  • T (Hatch_Line &) –
  • S (Hatch_SequenceOfLine &) –
Return type:

None
Return type:

None
Assign()
Parameters:Other (Hatch_SequenceOfLine &) –
Return type:Hatch_SequenceOfLine
ChangeValue()
Parameters:Index (int) –
Return type:Hatch_Line
Clear()
Return type:None
First()
Return type:Hatch_Line
InsertAfter()
Parameters:
  • Index (int) –
  • T (Hatch_Line &) –
  • Index –
  • S (Hatch_SequenceOfLine &) –
Return type:

None
Return type:

None
InsertBefore()
Parameters:
  • Index (int) –
  • T (Hatch_Line &) –
  • Index –
  • S (Hatch_SequenceOfLine &) –
Return type:

None
Return type:

None
Last()
Return type:Hatch_Line
Prepend()
Parameters:
  • T (Hatch_Line &) –
  • S (Hatch_SequenceOfLine &) –
Return type:

None
Return type:

None
Remove()
Parameters:
  • Index (int) –
  • FromIndex (int) –
  • ToIndex (int) –
Return type:

None
Return type:

None
Set()
Parameters:Other (Hatch_SequenceOfLine &) –
Return type:Hatch_SequenceOfLine
SetValue()
Parameters:
  • Index (int) –
  • I (Hatch_Line &) –
Return type:

None
Split()
Parameters:
  • Index (int) –
  • Sub (Hatch_SequenceOfLine &) –
Return type:

None
Value()
Parameters:Index (int) –
Return type:Hatch_Line
thisown

The membership flag

class Hatch_SequenceOfParameter(*args)

Bases: OCC.TCollection.TCollection_BaseSequence

Return type:None
Parameters:Other (Hatch_SequenceOfParameter &) –
Return type:None
Append()
Parameters:
  • T (Hatch_Parameter &) –
  • S (Hatch_SequenceOfParameter &) –
Return type:

None
Return type:

None
Assign()
Parameters:Other (Hatch_SequenceOfParameter &) –
Return type:Hatch_SequenceOfParameter
ChangeValue()
Parameters:Index (int) –
Return type:Hatch_Parameter
Clear()
Return type:None
First()
Return type:Hatch_Parameter
InsertAfter()
Parameters:
  • Index (int) –
  • T (Hatch_Parameter &) –
  • Index –
  • S (Hatch_SequenceOfParameter &) –
Return type:

None
Return type:

None
InsertBefore()
Parameters:
  • Index (int) –
  • T (Hatch_Parameter &) –
  • Index –
  • S (Hatch_SequenceOfParameter &) –
Return type:

None
Return type:

None
Last()
Return type:Hatch_Parameter
Prepend()
Parameters:
  • T (Hatch_Parameter &) –
  • S (Hatch_SequenceOfParameter &) –
Return type:

None
Return type:

None
Remove()
Parameters:
  • Index (int) –
  • FromIndex (int) –
  • ToIndex (int) –
Return type:

None
Return type:

None
Set()
Parameters:Other (Hatch_SequenceOfParameter &) –
Return type:Hatch_SequenceOfParameter
SetValue()
Parameters:
  • Index (int) –
  • I (Hatch_Parameter &) –
Return type:

None
Split()
Parameters:
  • Index (int) –
  • Sub (Hatch_SequenceOfParameter &) –
Return type:

None
Value()
Parameters:Index (int) –
Return type:Hatch_Parameter
thisown

The membership flag

class SwigPyIterator(*args, **kwargs)

Bases: object

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

The membership flag

value()
new_instancemethod(func, inst, cls)
register_handle(handle, base_object)

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