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ed4415982c
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
400 lines
13 KiB
C++
400 lines
13 KiB
C++
// Created on: 1995-08-04
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// Created by: Modelistation
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// Copyright (c) 1995-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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// Great zoom leads to non-coincidence of
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// a point and non-infinite lines passing throught this point:
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#define OCC64
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#include <StdPrs_Curve.ixx>
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#include <Graphic3d_ArrayOfSegments.hxx>
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#include <Graphic3d_ArrayOfPolylines.hxx>
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#include <Graphic3d_Group.hxx>
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#include <Prs3d_LineAspect.hxx>
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#include <Prs3d_Arrow.hxx>
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#include <Prs3d_ArrowAspect.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Circ.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Vec.hxx>
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#include <Prs3d.hxx>
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#include <Bnd_Box.hxx>
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#include <Precision.hxx>
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#include <TColgp_SequenceOfPnt.hxx>
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//==================================================================
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// function: FindLimits
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// purpose:
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//==================================================================
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static void FindLimits(const Adaptor3d_Curve& aCurve,
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const Standard_Real aLimit,
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Standard_Real& First,
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Standard_Real& Last)
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{
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First = aCurve.FirstParameter();
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Last = aCurve.LastParameter();
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Standard_Boolean firstInf = Precision::IsNegativeInfinite(First);
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Standard_Boolean lastInf = Precision::IsPositiveInfinite(Last);
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if (firstInf || lastInf) {
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gp_Pnt P1,P2;
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Standard_Real delta = 1;
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if (firstInf && lastInf) {
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do {
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delta *= 2;
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First = - delta;
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Last = delta;
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aCurve.D0(First,P1);
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aCurve.D0(Last,P2);
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} while (P1.Distance(P2) < aLimit);
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}
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else if (firstInf) {
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aCurve.D0(Last,P2);
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do {
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delta *= 2;
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First = Last - delta;
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aCurve.D0(First,P1);
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} while (P1.Distance(P2) < aLimit);
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}
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else if (lastInf) {
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aCurve.D0(First,P1);
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do {
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delta *= 2;
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Last = First + delta;
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aCurve.D0(Last,P2);
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} while (P1.Distance(P2) < aLimit);
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}
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}
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}
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//==================================================================
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// function: DrawCurve
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// purpose:
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//==================================================================
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static void DrawCurve (const Adaptor3d_Curve& aCurve,
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const Handle(Graphic3d_Group) aGroup,
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const Standard_Integer NbP,
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const Standard_Real U1,
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const Standard_Real U2,
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TColgp_SequenceOfPnt& Points,
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const Standard_Boolean drawCurve)
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{
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Standard_Integer nbintervals = 1;
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if (aCurve.GetType() == GeomAbs_BSplineCurve) {
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nbintervals = aCurve.NbKnots() - 1;
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nbintervals = Max(1, nbintervals/3);
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}
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switch (aCurve.GetType())
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{
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case GeomAbs_Line:
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{
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gp_Pnt p1 = aCurve.Value(U1);
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gp_Pnt p2 = aCurve.Value(U2);
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Points.Append(p1);
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Points.Append(p2);
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if(drawCurve)
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{
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Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
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aPrims->AddVertex(p1);
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aPrims->AddVertex(p2);
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aGroup->AddPrimitiveArray(aPrims);
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}
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}
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break;
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default:
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{
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const Standard_Integer N = Max(2, NbP*nbintervals);
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const Standard_Real DU = (U2-U1) / (N-1);
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gp_Pnt p;
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Handle(Graphic3d_ArrayOfPolylines) aPrims;
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if(drawCurve)
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aPrims = new Graphic3d_ArrayOfPolylines(N);
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for (Standard_Integer i = 1; i <= N;i++) {
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p = aCurve.Value(U1 + (i-1)*DU);
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Points.Append(p);
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if(drawCurve)
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aPrims->AddVertex(p);
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}
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if(drawCurve)
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aGroup->AddPrimitiveArray(aPrims);
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}
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}
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}
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//==================================================================
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// function: MatchCurve
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// purpose:
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//==================================================================
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static Standard_Boolean MatchCurve (
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const Quantity_Length X,
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const Quantity_Length Y,
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const Quantity_Length Z,
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const Quantity_Length aDistance,
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const Adaptor3d_Curve& aCurve,
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const Quantity_Length TheDeflection,
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const Standard_Integer NbP,
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const Standard_Real U1,
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const Standard_Real U2)
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{
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Quantity_Length retdist;
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switch (aCurve.GetType())
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{
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case GeomAbs_Line:
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{
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gp_Pnt p1 = aCurve.Value(U1);
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if ( Abs(X-p1.X()) + Abs(Y-p1.Y()) + Abs(Z-p1.Z()) <= aDistance)
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return Standard_True;
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gp_Pnt p2 = aCurve.Value(U2);
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if ( Abs(X-p2.X()) + Abs(Y-p2.Y()) + Abs(Z-p2.Z()) <= aDistance)
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return Standard_True;
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return Prs3d::MatchSegment(X,Y,Z,aDistance,p1,p2,retdist);
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}
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case GeomAbs_Circle:
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{
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const Standard_Real Radius = aCurve.Circle().Radius();
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const Standard_Real DU = Sqrt(8.0 * TheDeflection / Radius);
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const Standard_Real Er = Abs( U2 - U1) / DU;
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const Standard_Integer N = Max(2, (Standard_Integer)IntegerPart(Er));
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if ( N > 0) {
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gp_Pnt p1,p2;
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for (Standard_Integer Index = 1; Index <= N+1; Index++) {
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p2 = aCurve.Value(U1 + (Index - 1) * DU);
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if ( Abs(X-p2.X()) + Abs(Y-p2.Y()) + Abs(Z-p2.Z()) <= aDistance)
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return Standard_True;
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if (Index>1) {
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if (Prs3d::MatchSegment(X,Y,Z,aDistance,p1,p2,retdist))
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return Standard_True;
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}
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p1=p2;
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}
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}
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break;
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}
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default:
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{
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const Standard_Real DU = (U2-U1) / (NbP-1);
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gp_Pnt p1,p2;
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for (Standard_Integer i=1;i<=NbP;i++) {
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p2 = aCurve.Value(U1 + (i-1)*DU);
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if ( Abs(X-p2.X()) + Abs(Y-p2.Y()) + Abs(Z-p2.Z()) <= aDistance)
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return Standard_True;
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if (i>1) {
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if (Prs3d::MatchSegment(X,Y,Z,aDistance,p1,p2,retdist))
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return Standard_True;
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}
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p1=p2;
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}
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}
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}
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return Standard_False;
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}
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//==================================================================
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// function: Add
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// purpose:
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//==================================================================
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void StdPrs_Curve::Add (const Handle (Prs3d_Presentation)& aPresentation,
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const Adaptor3d_Curve& aCurve,
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const Handle (Prs3d_Drawer)& aDrawer,
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const Standard_Boolean drawCurve)
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{
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Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(aDrawer->LineAspect()->Aspect());
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Standard_Real V1, V2;
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FindLimits(aCurve, aDrawer->MaximalParameterValue(), V1, V2);
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const Standard_Integer NbPoints = aDrawer->Discretisation();
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TColgp_SequenceOfPnt Pnts;
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DrawCurve(aCurve,Prs3d_Root::CurrentGroup(aPresentation),NbPoints,V1,V2,Pnts,drawCurve);
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if (aDrawer->LineArrowDraw()) {
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gp_Pnt Location;
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gp_Vec Direction;
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aCurve.D1(aCurve.LastParameter(),Location,Direction);
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Prs3d_Arrow::Draw (aPresentation,Location,gp_Dir(Direction),
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aDrawer->ArrowAspect()->Angle(),
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aDrawer->ArrowAspect()->Length());
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}
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}
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//==================================================================
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// function: Add
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// purpose:
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//==================================================================
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void StdPrs_Curve::Add (const Handle (Prs3d_Presentation)& aPresentation,
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const Adaptor3d_Curve& aCurve,
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const Quantity_Length /*aDeflection*/,
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const Handle(Prs3d_Drawer)& aDrawer,
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TColgp_SequenceOfPnt& Points,
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const Standard_Boolean drawCurve)
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{
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Standard_Real V1, V2;
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FindLimits(aCurve, aDrawer->MaximalParameterValue(), V1, V2);
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const Standard_Integer NbPoints = aDrawer->Discretisation();
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DrawCurve(aCurve,Prs3d_Root::CurrentGroup(aPresentation),NbPoints,V1,V2,Points,drawCurve);
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}
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//==================================================================
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// function: Add
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// purpose:
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//==================================================================
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void StdPrs_Curve::Add (const Handle (Prs3d_Presentation)& aPresentation,
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const Adaptor3d_Curve& aCurve,
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const Standard_Real U1,
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const Standard_Real U2,
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const Quantity_Length /*aDeflection*/,
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TColgp_SequenceOfPnt& Points,
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const Standard_Integer NbPoints,
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const Standard_Boolean drawCurve)
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{
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DrawCurve(aCurve,Prs3d_Root::CurrentGroup(aPresentation),NbPoints,U1,U2,Points,drawCurve);
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}
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//==================================================================
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// function: Add
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// purpose:
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//==================================================================
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void StdPrs_Curve::Add (const Handle (Prs3d_Presentation)& aPresentation,
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const Adaptor3d_Curve& aCurve,
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const Standard_Real U1,
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const Standard_Real U2,
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const Handle (Prs3d_Drawer)& aDrawer,
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const Standard_Boolean drawCurve)
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{
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Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(aDrawer->LineAspect()->Aspect());
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Standard_Real V1 = U1;
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Standard_Real V2 = U2;
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if (Precision::IsNegativeInfinite(V1)) V1 = -aDrawer->MaximalParameterValue();
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if (Precision::IsPositiveInfinite(V2)) V2 = aDrawer->MaximalParameterValue();
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const Standard_Integer NbPoints = aDrawer->Discretisation();
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TColgp_SequenceOfPnt Pnts;
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DrawCurve(aCurve,Prs3d_Root::CurrentGroup(aPresentation),NbPoints,V1,V2,Pnts,drawCurve);
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if (aDrawer->LineArrowDraw()) {
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gp_Pnt Location;
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gp_Vec Direction;
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aCurve.D1(aCurve.LastParameter(),Location,Direction);
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Prs3d_Arrow::Draw (aPresentation,Location,gp_Dir(Direction),
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aDrawer->ArrowAspect()->Angle(),
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aDrawer->ArrowAspect()->Length());
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}
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}
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//==================================================================
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// function: Match
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// purpose:
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//==================================================================
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Standard_Boolean StdPrs_Curve::Match
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(const Quantity_Length X,
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const Quantity_Length Y,
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const Quantity_Length Z,
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const Quantity_Length aDistance,
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const Adaptor3d_Curve& aCurve,
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const Handle (Prs3d_Drawer)& aDrawer)
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{
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Standard_Real V1, V2;
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FindLimits(aCurve, aDrawer->MaximalParameterValue(), V1, V2);
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const Standard_Integer NbPoints = aDrawer->Discretisation();
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return MatchCurve(X,Y,Z,aDistance,aCurve,
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aDrawer->MaximalChordialDeviation(),NbPoints,V1,V2);
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}
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//==================================================================
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// function: Match
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// purpose:
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//==================================================================
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Standard_Boolean StdPrs_Curve::Match
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(const Quantity_Length X,
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const Quantity_Length Y,
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const Quantity_Length Z,
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const Quantity_Length aDistance,
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const Adaptor3d_Curve& aCurve,
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const Quantity_Length aDeflection,
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const Standard_Real aLimit,
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const Standard_Integer NbPoints)
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{
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Standard_Real V1, V2;
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FindLimits(aCurve, aLimit, V1, V2);
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return MatchCurve(X,Y,Z,aDistance,aCurve,
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aDeflection,NbPoints,V1,V2);
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}
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//==================================================================
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// function: Match
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// purpose:
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//==================================================================
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Standard_Boolean StdPrs_Curve::Match
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(const Quantity_Length X,
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const Quantity_Length Y,
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const Quantity_Length Z,
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const Quantity_Length aDistance,
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const Adaptor3d_Curve& aCurve,
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const Standard_Real U1,
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const Standard_Real U2,
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const Handle (Prs3d_Drawer)& aDrawer)
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{
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Standard_Real V1 = U1;
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Standard_Real V2 = U2;
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if (Precision::IsNegativeInfinite(V1)) V1 = -aDrawer->MaximalParameterValue();
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if (Precision::IsPositiveInfinite(V2)) V2 = aDrawer->MaximalParameterValue();
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return MatchCurve(X,Y,Z,aDistance,aCurve,
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aDrawer->MaximalChordialDeviation(),
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aDrawer->Discretisation(),V1,V2);
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}
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//==================================================================
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// function: Match
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// purpose:
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//==================================================================
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Standard_Boolean StdPrs_Curve::Match
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(const Quantity_Length X,
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const Quantity_Length Y,
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const Quantity_Length Z,
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const Quantity_Length aDistance,
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const Adaptor3d_Curve& aCurve,
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const Standard_Real U1,
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const Standard_Real U2,
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const Quantity_Length aDeflection,
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const Standard_Integer aNbPoints)
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{
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return MatchCurve(X,Y,Z,aDistance,aCurve,aDeflection,aNbPoints,U1,U2);
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}
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