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occt/src/StdPrs/StdPrs_WFDeflectionRestrictedFace.cxx

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// Created on: 1995-08-07
// Created by: Modelistation
// Copyright (c) 1995-1999 Matra Datavision
// Copyright (c) 1999-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.
#include <StdPrs_WFDeflectionRestrictedFace.ixx>
#include <Hatch_Hatcher.hxx>
#include <Graphic3d_Group.hxx>
#include <gp_Pnt.hxx>
#include <gp_Pnt2d.hxx>
#include <Prs3d_IsoAspect.hxx>
#include <Adaptor2d_Curve2d.hxx>
#include <GCPnts_QuasiUniformDeflection.hxx>
#include <Adaptor3d_IsoCurve.hxx>
#include <StdPrs_DeflectionCurve.hxx>
#include <StdPrs_ToolRFace.hxx>
#include <Bnd_Box2d.hxx>
#include <BndLib_Add2dCurve.hxx>
#include <Precision.hxx>
#include <GeomAdaptor_Curve.hxx>
#include <Geom_Curve.hxx>
#include <GeomAbs_SurfaceType.hxx>
#include <Geom_Surface.hxx>
#include <TColgp_SequenceOfPnt2d.hxx>
#ifdef DEB_MESH
#include <OSD_Chronometer.hxx>
extern OSD_Chronometer FFaceTimer1,FFaceTimer2,FFaceTimer3,FFaceTimer4;
#endif
//==================================================================
// function: FindLimits
// purpose:
//==================================================================
static void FindLimits(const Adaptor3d_Curve& aCurve,
const Standard_Real aLimit,
Standard_Real& First,
Standard_Real& Last)
{
First = Max(aCurve.FirstParameter(), First);
Last = Min(aCurve.LastParameter(), Last);
Standard_Boolean firstInf = Precision::IsNegativeInfinite(First);
Standard_Boolean lastInf = Precision::IsPositiveInfinite(Last);
if (firstInf || lastInf) {
gp_Pnt P1,P2;
Standard_Real delta = 1;
if (firstInf && lastInf) {
do {
delta *= 2;
First = - delta;
Last = delta;
aCurve.D0(First,P1);
aCurve.D0(Last,P2);
} while (P1.Distance(P2) < aLimit);
}
else if (firstInf) {
aCurve.D0(Last,P2);
do {
delta *= 2;
First = Last - delta;
aCurve.D0(First,P1);
} while (P1.Distance(P2) < aLimit);
}
else if (lastInf) {
aCurve.D0(First,P1);
do {
delta *= 2;
Last = First + delta;
aCurve.D0(Last,P2);
} while (P1.Distance(P2) < aLimit);
}
}
}
//=========================================================================
// function: Add
// purpose
//=========================================================================
void StdPrs_WFDeflectionRestrictedFace::Add
(const Handle (Prs3d_Presentation)& aPresentation,
const Handle(BRepAdaptor_HSurface)& aFace,
const Standard_Boolean DrawUIso,
const Standard_Boolean DrawVIso,
const Quantity_Length Deflection,
const Standard_Integer NBUiso,
const Standard_Integer NBViso,
const Handle(Prs3d_Drawer)& aDrawer,
Prs3d_NListOfSequenceOfPnt& Curves) {
#ifdef DEB_MESH
FFaceTimer1.Start();
#endif
StdPrs_ToolRFace ToolRst (aFace);
Standard_Real UF, UL, VF, VL;
UF = aFace->FirstUParameter();
UL = aFace->LastUParameter();
VF = aFace->FirstVParameter();
VL = aFace->LastVParameter();
Standard_Real aLimit = aDrawer->MaximalParameterValue();
// compute bounds of the restriction
Standard_Real UMin,UMax,VMin,VMax;
//Standard_Real u,v,step;
Standard_Integer i;//,nbPoints = 10;
UMin = Max(UF, -aLimit);
UMax = Min(UL, aLimit);
VMin = Max(VF, -aLimit);
VMax = Min(VL, aLimit);
// update min max for the hatcher.
gp_Pnt2d P1,P2;
Standard_Real U1, U2;
gp_Pnt dummypnt;
Standard_Real ddefle= Max(UMax-UMin, VMax-VMin) * aDrawer->DeviationCoefficient();
TColgp_SequenceOfPnt2d tabP;
Standard_Real aHatchingTol = 1.e100;
UMin = VMin = 1.e100;
UMax = VMax = -1.e100;
for (ToolRst.Init(); ToolRst.More(); ToolRst.Next()) {
TopAbs_Orientation Orient = ToolRst.Orientation();
if ( Orient == TopAbs_FORWARD || Orient == TopAbs_REVERSED ) {
Adaptor2d_Curve2dPtr TheRCurve = ToolRst.Value();
if (TheRCurve->GetType() != GeomAbs_Line) {
GCPnts_QuasiUniformDeflection UDP(*TheRCurve, ddefle);
if (UDP.IsDone()) {
Standard_Integer NumberOfPoints = UDP.NbPoints();
if ( NumberOfPoints >= 2 ) {
dummypnt = UDP.Value(1);
P2.SetCoord(dummypnt.X(), dummypnt.Y());
UMin = Min(P2.X(), UMin);
UMax = Max(P2.X(), UMax);
VMin = Min(P2.Y(), VMin);
VMax = Max(P2.Y(), VMax);
for (i = 2; i <= NumberOfPoints; i++) {
P1 = P2;
dummypnt = UDP.Value(i);
P2.SetCoord(dummypnt.X(), dummypnt.Y());
UMin = Min(P2.X(), UMin);
UMax = Max(P2.X(), UMax);
VMin = Min(P2.Y(), VMin);
VMax = Max(P2.Y(), VMax);
aHatchingTol = Min(P1.SquareDistance(P2), aHatchingTol);
if(Orient == TopAbs_FORWARD ) {
//isobuild.Trim(P1,P2);
tabP.Append(P1);
tabP.Append(P2);
}
else {
//isobuild.Trim(P2,P1);
tabP.Append(P2);
tabP.Append(P1);
}
}
}
}
else {
cout << "Cannot evaluate curve on surface"<<endl;
}
}
else {
U1 = TheRCurve->FirstParameter();
U2 = TheRCurve->LastParameter();
// MSV 17.08.06 OCC13144: U2 occured less than U1, to overcome it
// ensure that distance U2-U1 is not greater than aLimit*2,
// if greater then choose an origin and use aLimit to define
// U1 and U2 anew
Standard_Real aOrigin = 0.;
if (!Precision::IsNegativeInfinite(U1) || !Precision::IsPositiveInfinite(U2)) {
if (Precision::IsNegativeInfinite(U1))
aOrigin = U2 - aLimit;
else if (Precision::IsPositiveInfinite(U2))
aOrigin = U1 + aLimit;
else
aOrigin = (U1 + U2) * 0.5;
}
U1 = Max(aOrigin - aLimit, U1);
U2 = Min(aOrigin + aLimit, U2);
P1 = TheRCurve->Value(U1);
P2 = TheRCurve->Value(U2);
UMin = Min(P1.X(), UMin);
UMax = Max(P1.X(), UMax);
VMin = Min(P1.Y(), VMin);
VMax = Max(P1.Y(), VMax);
UMin = Min(P2.X(), UMin);
UMax = Max(P2.X(), UMax);
VMin = Min(P2.Y(), VMin);
VMax = Max(P2.Y(), VMax);
aHatchingTol = Min(P1.SquareDistance(P2), aHatchingTol);
if(Orient == TopAbs_FORWARD ) {
// isobuild.Trim(P1,P2);
tabP.Append(P1);
tabP.Append(P2);
}
else {
//isobuild.Trim(P2,P1);
tabP.Append(P2);
tabP.Append(P1);
}
}
}
}
#ifdef DEB_MESH
FFaceTimer1.Stop();
FFaceTimer2.Start();
#endif
// Compute the hatching tolerance.
aHatchingTol *= 0.1;
aHatchingTol = Max(Precision::Confusion(), aHatchingTol);
aHatchingTol = Min(1.e-5, aHatchingTol);
// load the isos
Hatch_Hatcher isobuild(aHatchingTol, ToolRst.IsOriented());
Standard_Boolean UClosed = aFace->IsUClosed();
Standard_Boolean VClosed = aFace->IsVClosed();
if ( ! UClosed ) {
UMin = UMin + ( UMax - UMin) /1000.;
UMax = UMax - ( UMax - UMin) /1000.;
}
if ( ! VClosed ) {
VMin = VMin + ( VMax - VMin) /1000.;
VMax = VMax - ( VMax - VMin) /1000.;
}
if (DrawUIso){
if (NBUiso > 0) {
UClosed = Standard_False; // En attendant un hatcher de course.
Standard_Real du= UClosed ? (UMax-UMin)/NBUiso : (UMax-UMin)/(1+NBUiso);
for (i=1; i<=NBUiso;i++){
isobuild.AddXLine(UMin+du*i);
}
}
}
if (DrawVIso){
if ( NBViso > 0) {
VClosed = Standard_False;
Standard_Real dv= VClosed ?(VMax-VMin)/NBViso : (VMax-VMin)/(1+NBViso);
for (i=1; i<=NBViso;i++){
isobuild.AddYLine(VMin+dv*i);
}
}
}
#ifdef DEB_MESH
FFaceTimer2.Stop();
FFaceTimer3.Start();
#endif
Standard_Integer ll = tabP.Length();
for (i = 1; i <= ll; i+=2) {
isobuild.Trim(tabP(i),tabP(i+1));
}
#ifdef DEB_MESH
FFaceTimer3.Stop();
FFaceTimer4.Start();
#endif
// draw the isos
Adaptor3d_IsoCurve anIso;
anIso.Load(aFace);
Handle(Geom_Curve) BC;
const BRepAdaptor_Surface& BS = *(BRepAdaptor_Surface*)&(aFace->Surface());
GeomAbs_SurfaceType thetype = aFace->GetType();
Standard_Integer NumberOfLines = isobuild.NbLines();
Handle(Geom_Surface) GB;
if (thetype == GeomAbs_BezierSurface) {
GB = BS.Bezier();
}
else if (thetype == GeomAbs_BSplineSurface){
GB = BS.BSpline();
}
Standard_Real anAngle = aDrawer->DeviationAngle();
for (i = 1; i <= NumberOfLines; i++) {
Standard_Integer NumberOfIntervals = isobuild.NbIntervals(i);
Standard_Real Coord = isobuild.Coordinate(i);
for (Standard_Integer j = 1; j <= NumberOfIntervals; j++) {
Standard_Real b1=isobuild.Start(i,j),b2=isobuild.End(i,j);
if (!GB.IsNull()) {
if (isobuild.IsXLine(i))
BC = GB->UIso(Coord);
else
BC = GB->VIso(Coord);
GeomAdaptor_Curve GC(BC);
FindLimits(GC, aLimit,b1, b2);
if (b2-b1>Precision::Confusion()) {
TColgp_SequenceOfPnt Points;
StdPrs_DeflectionCurve::Add(aPresentation, GC, b1, b2, Deflection, Points, anAngle, Standard_False);
Curves.Append(Points);
}
}
else {
if (isobuild.IsXLine(i))
anIso.Load(GeomAbs_IsoU,Coord,b1,b2);
else
anIso.Load(GeomAbs_IsoV,Coord,b1,b2);
FindLimits(anIso, aLimit,b1, b2);
if (b2-b1>Precision::Confusion()) {
TColgp_SequenceOfPnt Points;
StdPrs_DeflectionCurve::Add(aPresentation, anIso, b1, b2, Deflection, Points, anAngle, Standard_False);
Curves.Append(Points);
}
}
}
}
#ifdef DEB_MESH
FFaceTimer4.Stop();
#endif
}
//=========================================================================
// function: Match
// purpose
//=========================================================================
Standard_Boolean StdPrs_WFDeflectionRestrictedFace::Match
(const Quantity_Length X,
const Quantity_Length Y,
const Quantity_Length Z,
const Quantity_Length aDistance,
const Handle(BRepAdaptor_HSurface)& aFace,
const Handle(Prs3d_Drawer)& aDrawer,
const Standard_Boolean DrawUIso,
const Standard_Boolean DrawVIso,
const Quantity_Length Deflection,
const Standard_Integer NBUiso,
const Standard_Integer NBViso)
{
StdPrs_ToolRFace ToolRst (aFace);
const Standard_Real aLimit = aDrawer->MaximalParameterValue();
// compute bounds of the restriction
Standard_Real UMin,UMax,VMin,VMax;
Standard_Real u,v,step;
Standard_Integer i,nbPoints = 10;
UMin = VMin = RealLast();
UMax = VMax = RealFirst();
for (ToolRst.Init(); ToolRst.More(); ToolRst.Next()) {
Adaptor2d_Curve2dPtr TheRCurve = ToolRst.Value();
u = TheRCurve->FirstParameter();
v = TheRCurve->LastParameter();
step = ( v - u) / nbPoints;
for (i = 0; i <= nbPoints; i++) {
gp_Pnt2d P = TheRCurve->Value(u);
if (P.X() < UMin) UMin = P.X();
if (P.X() > UMax) UMax = P.X();
if (P.Y() < VMin) VMin = P.Y();
if (P.Y() > VMax) VMax = P.Y();
u += step;
}
}
// load the isos
Hatch_Hatcher isobuild(1.e-5,ToolRst.IsOriented());
Standard_Boolean UClosed = aFace->IsUClosed();
Standard_Boolean VClosed = aFace->IsVClosed();
if ( ! UClosed ) {
UMin = UMin + ( UMax - UMin) /1000.;
UMax = UMax - ( UMax - UMin) /1000.;
}
if ( ! VClosed ) {
VMin = VMin + ( VMax - VMin) /1000.;
VMax = VMax - ( VMax - VMin) /1000.;
}
if (DrawUIso){
if (NBUiso > 0) {
UClosed = Standard_False; // En attendant un hatcher de course.
Standard_Real du= UClosed ? (UMax-UMin)/NBUiso : (UMax-UMin)/(1+NBUiso);
for (i=1; i<=NBUiso;i++){
isobuild.AddXLine(UMin+du*i);
}
}
}
if (DrawVIso){
if ( NBViso > 0) {
VClosed = Standard_False;
Standard_Real dv= VClosed ?(VMax-VMin)/NBViso : (VMax-VMin)/(1+NBViso);
for (i=1; i<=NBViso;i++){
isobuild.AddYLine(VMin+dv*i);
}
}
}
// trim the isos
gp_Pnt2d P1,P2;
gp_Pnt dummypnt;
for (ToolRst.Init(); ToolRst.More(); ToolRst.Next()) {
TopAbs_Orientation Orient = ToolRst.Orientation();
if ( Orient == TopAbs_FORWARD || Orient == TopAbs_REVERSED ) {
Adaptor2d_Curve2dPtr TheRCurve = ToolRst.Value();
GCPnts_QuasiUniformDeflection UDP(*TheRCurve, Deflection);
if (UDP.IsDone()) {
Standard_Integer NumberOfPoints = UDP.NbPoints();
if ( NumberOfPoints >= 2 ) {
dummypnt = UDP.Value(1);
P2.SetCoord(dummypnt.X(), dummypnt.Y());
for (i = 2; i <= NumberOfPoints; i++) {
P1 = P2;
dummypnt = UDP.Value(i);
P2.SetCoord(dummypnt.X(), dummypnt.Y());
if(Orient == TopAbs_FORWARD )
isobuild.Trim(P1,P2);
else
isobuild.Trim(P2,P1);
}
}
}
else {
cout << "Cannot evaluate curve on surface"<<endl;
}
}
}
// draw the isos
Adaptor3d_IsoCurve anIso;
anIso.Load(aFace);
Standard_Integer NumberOfLines = isobuild.NbLines();
Standard_Real anAngle = aDrawer->DeviationAngle();
for (i = 1; i <= NumberOfLines; i++) {
Standard_Integer NumberOfIntervals = isobuild.NbIntervals(i);
Standard_Real Coord = isobuild.Coordinate(i);
for (Standard_Integer j = 1; j <= NumberOfIntervals; j++) {
Standard_Real b1=isobuild.Start(i,j),b2=isobuild.End(i,j);
b1 = b1 == RealFirst() ? - aLimit : b1;
b2 = b2 == RealLast() ? aLimit : b2;
if (isobuild.IsXLine(i))
anIso.Load(GeomAbs_IsoU,Coord,b1,b2);
else
anIso.Load(GeomAbs_IsoV,Coord,b1,b2);
if (StdPrs_DeflectionCurve::Match(X,Y,Z,aDistance,anIso, b1, b2, Deflection, anAngle))
return Standard_True;
}
}
return Standard_False;
}
//=========================================================================
// function: Add
// purpose
//=========================================================================
void StdPrs_WFDeflectionRestrictedFace::Add
(const Handle (Prs3d_Presentation)& aPresentation,
const Handle(BRepAdaptor_HSurface)& aFace,
const Handle (Prs3d_Drawer)& aDrawer)
{
Prs3d_NListOfSequenceOfPnt Curves;
StdPrs_WFDeflectionRestrictedFace::Add (aPresentation,
aFace,
Standard_True,
Standard_True,
aDrawer->MaximalChordialDeviation(),
aDrawer->UIsoAspect()->Number(),
aDrawer->VIsoAspect()->Number(),
aDrawer,
Curves);
}
//=========================================================================
// function: AddUIso
// purpose
//=========================================================================
void StdPrs_WFDeflectionRestrictedFace::AddUIso
(const Handle (Prs3d_Presentation)& aPresentation,
const Handle(BRepAdaptor_HSurface)& aFace,
const Handle (Prs3d_Drawer)& aDrawer)
{
Prs3d_NListOfSequenceOfPnt Curves;
StdPrs_WFDeflectionRestrictedFace::Add (
aPresentation,
aFace,
Standard_True,
Standard_False,
aDrawer->MaximalChordialDeviation(),
aDrawer->UIsoAspect()->Number(),
aDrawer->VIsoAspect()->Number(),
aDrawer,
Curves);
}
//=========================================================================
// function: AddVIso
// purpose
//=========================================================================
void StdPrs_WFDeflectionRestrictedFace::AddVIso
(const Handle (Prs3d_Presentation)& aPresentation,
const Handle(BRepAdaptor_HSurface)& aFace,
const Handle (Prs3d_Drawer)& aDrawer)
{
Prs3d_NListOfSequenceOfPnt Curves;
StdPrs_WFDeflectionRestrictedFace::Add (
aPresentation,
aFace,
Standard_False,
Standard_True,
aDrawer->MaximalChordialDeviation(),
aDrawer->UIsoAspect()->Number(),
aDrawer->VIsoAspect()->Number(),
aDrawer,
Curves);
}
//=========================================================================
// function: Match
// purpose
//=========================================================================
Standard_Boolean StdPrs_WFDeflectionRestrictedFace::Match
(const Quantity_Length X,
const Quantity_Length Y,
const Quantity_Length Z,
const Quantity_Length aDistance,
const Handle(BRepAdaptor_HSurface)& aFace,
const Handle (Prs3d_Drawer)& aDrawer)
{
return StdPrs_WFDeflectionRestrictedFace::Match (
X,Y,Z,aDistance,
aFace,
aDrawer,
Standard_True,
Standard_True,
aDrawer->MaximalChordialDeviation(),
aDrawer->UIsoAspect()->Number(),
aDrawer->VIsoAspect()->Number());
}
//=========================================================================
// function: MatchUIso
// purpose
//=========================================================================
Standard_Boolean StdPrs_WFDeflectionRestrictedFace::MatchUIso
(const Quantity_Length X,
const Quantity_Length Y,
const Quantity_Length Z,
const Quantity_Length aDistance,
const Handle(BRepAdaptor_HSurface)& aFace,
const Handle (Prs3d_Drawer)& aDrawer)
{
return StdPrs_WFDeflectionRestrictedFace::Match (
X,Y,Z,aDistance,
aFace,
aDrawer,
Standard_True,
Standard_False,
aDrawer->MaximalChordialDeviation(),
aDrawer->UIsoAspect()->Number(),
aDrawer->VIsoAspect()->Number());
}
//=========================================================================
// function: MatchVIso
// purpose
//=========================================================================
Standard_Boolean StdPrs_WFDeflectionRestrictedFace::MatchVIso
(const Quantity_Length X,
const Quantity_Length Y,
const Quantity_Length Z,
const Quantity_Length aDistance,
const Handle(BRepAdaptor_HSurface)& aFace,
const Handle (Prs3d_Drawer)& aDrawer)
{
return StdPrs_WFDeflectionRestrictedFace::Match (
X,Y,Z,aDistance,
aFace,
aDrawer,
Standard_False,
Standard_True,
aDrawer->MaximalChordialDeviation(),
aDrawer->UIsoAspect()->Number(),
aDrawer->VIsoAspect()->Number());
}
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