Open CASCADE Technology 6.6.0
Data Structures
ShapeFix_Wire.hxx File Reference
#include <Standard.hxx>
#include <Standard_DefineHandle.hxx>
#include <Handle_ShapeFix_Wire.hxx>
#include <Handle_ShapeFix_Edge.hxx>
#include <Handle_ShapeAnalysis_Wire.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_Integer.hxx>
#include <ShapeFix_Root.hxx>
#include <Standard_Real.hxx>
#include <Handle_ShapeExtend_WireData.hxx>
#include <Handle_Geom_Surface.hxx>
#include <TopoDS_Wire.hxx>
#include <ShapeExtend_Status.hxx>
#include <ShapeFix_Wire.lxx>

Data Structures

class  ShapeFix_Wire
 This class provides a set of tools for repairing a wire.

These are methods Fix...(), organised in two levels:

Level 1: Advanced - each method in this level fixes one separate problem,
usually dealing with either single edge or connection of the
two adjacent edges. These methods should be used carefully and
called in right sequence, because some of them depend on others.

Level 2: Public (API) - methods which group several methods of level 1
and call them in a proper sequence in order to make some
consistent set of fixes for a whole wire. It is possible to
control calls to methods of the advanced level from methods of
the public level by use of flags Fix..Mode() (see below).

Fixes can be made in three ways:
1. Increasing tolerance of an edge or a vertex
2. Changing topology (adding/removing/replacing edge in the wire
and/or replacing the vertex in the edge)
3. Changing geometry (shifting vertex or adjusting ends of edge
curve to vertices, or recomputing curves of the edge)

When fix can be made in more than one way (e.g., either
by increasing tolerance or shifting a vertex), it is choosen
according to the flags:
ModifyTopologyMode - allows modification of the topology.
This flag can be set when fixing a wire on
the separate (free) face, and should be
unset for face which is part of shell.
ModifyGeometryMode - allows modification of the geometry.

The order of descriptions of Fix() methods in this CDL
approximately corresponds to the optimal order of calls.

NOTE: most of fixing methods expect edges in the
ShapeExtend_WireData to be ordered, so it is necessary to make
call to FixReorder() before any other fixes

ShapeFix_Wire should be initialized prior to any fix by the
following data:
a) Wire (ether TopoDS_Wire or ShapeExtend_Wire)
b) Face or surface
c) Precision
This can be done either by calling corresponding methods
(LoadWire, SetFace or SetSurface, and SetPrecision), or
by loading already filled ShapeAnalisis_Wire with method Load
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