Files
OCCT/src/IntPatch/IntPatch_WLineTool.hxx
nbv 7797eb389a 0029496: No intersection curve between faces if starting points are given
Now, bounded IntPatch_Points are found in case when starting points are used in intersection algorithm. Before the fix, these points were not looked for (even).
2018-02-16 15:07:01 +03:00

88 lines
4.0 KiB
C++

// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _IntPatch_WLineTool_HeaderFile
#define _IntPatch_WLineTool_HeaderFile
#include <Standard_DefineAlloc.hxx>
#include <IntPatch_SequenceOfLine.hxx>
#include <IntPatch_WLine.hxx>
class Adaptor3d_TopolTool;
//! IntPatch_WLineTool provides set of static methods related to walking lines.
class IntPatch_WLineTool
{
public:
DEFINE_STANDARD_ALLOC
//! I
//! Removes equal points (leave one of equal points) from theWLine
//! and recompute vertex parameters.
//!
//! II
//! Removes point out of borders in case of non periodic surfaces.
//!
//! III
//! Removes exceed points using tube criteria:
//! delete 7D point if it lies near to expected lines in 2d and 3d.
//! Each task (2d, 2d, 3d) have its own tolerance and checked separately.
//!
//! Returns new WLine or null WLine if the number
//! of the points is less than 2.
Standard_EXPORT static
Handle(IntPatch_WLine) ComputePurgedWLine(const Handle(IntPatch_WLine) &theWLine,
const Handle(Adaptor3d_HSurface) &theS1,
const Handle(Adaptor3d_HSurface) &theS2,
const Handle(Adaptor3d_TopolTool) &theDom1,
const Handle(Adaptor3d_TopolTool) &theDom2);
//! Joins all WLines from theSlin to one if it is possible and records
//! the result into theSlin again. Lines will be kept to be splitted if:
//! a) they are separated (has no common points);
//! b) resulted line (after joining) go through seam-edges or surface boundaries.
//!
//! In addition, if points in theSPnt lies at least in one of the line in theSlin,
//! this point will be deleted.
Standard_EXPORT static void JoinWLines(IntPatch_SequenceOfLine& theSlin,
IntPatch_SequenceOfPoint& theSPnt,
Handle(Adaptor3d_HSurface) theS1,
Handle(Adaptor3d_HSurface) theS2,
const Standard_Real theTol3D);
//! Extends every line from theSlin (if it is possible) to be started/finished
//! in strictly determined point (in the place of joint of two lines).
//! As result, some gaps between two lines will vanish.
//! The Walking lines are supposed (algorithm will do nothing for not-Walking line)
//! to be computed as a result of intersection. Both theS1 and theS2
//! must be quadrics. Other cases are not supported.
//! theArrPeriods must be filled as follows (every value must not be negative;
//! if the surface is not periodic the period must be equal to 0.0 strictly):
//! {<U-period of 1st surface>, <V-period of 1st surface>,
//! <U-period of 2nd surface>, <V-period of 2nd surface>}.
Standard_EXPORT static void
ExtendTwoWLines(IntPatch_SequenceOfLine& theSlin,
const Handle(Adaptor3d_HSurface)& theS1,
const Handle(Adaptor3d_HSurface)& theS2,
const Standard_Real theToler3D,
const Standard_Real* const theArrPeriods,
const Bnd_Box2d& theBoxS1,
const Bnd_Box2d& theBoxS2);
//! Max angle to concatenate two WLines to avoid result with C0-continuity
static const Standard_Real myMaxConcatAngle;
};
#endif