// commercial license or contractual agreement.
#include <BRepGProp_Vinert.ixx>
+#include <BRepGProp_Gauss.hxx>
-#include <math.hxx>
-#include <TColStd_Array1OfReal.hxx>
-
-class HMath_Vector{
- math_Vector *pvec;
- void operator=(const math_Vector&){}
-public:
- HMath_Vector(){ pvec = 0;}
- HMath_Vector(math_Vector* pv){ pvec = pv;}
- ~HMath_Vector(){ if(pvec != 0) delete pvec;}
- void operator=(math_Vector* pv){ if(pvec != pv && pvec != 0) delete pvec; pvec = pv;}
- Standard_Real& operator()(Standard_Integer i){ return (*pvec).operator()(i);}
- const Standard_Real& operator()(Standard_Integer i) const{ return (*pvec).operator()(i);}
- const math_Vector* operator->() const{ return pvec;}
- math_Vector* operator->(){ return pvec;}
- math_Vector* Init(Standard_Real v, Standard_Integer i = 0, Standard_Integer iEnd = 0){
- if(pvec == 0) return pvec;
- if(iEnd - i == 0) pvec->Init(v);
- else for(; i <= iEnd; i++) pvec->operator()(i) = v;
- return pvec;
- }
-};
-
-//Minimal value of interval's range for computation | minimal value of "dim" | ...
-static Standard_Real EPS_PARAM = Precision::Angular(), EPS_DIM = 1.E-30, ERROR_ALGEBR_RATIO = 2.0/3.0;
-//Maximum of GaussPoints on a subinterval and maximum of subintervals
-static Standard_Integer GPM = math::GaussPointsMax(), SUBS_POWER = 32, SM = SUBS_POWER*GPM + 1;
-static Standard_Boolean IS_MIN_DIM = 1; // if the value equal 0 error of algorithm calculted by static moments
-
-static math_Vector LGaussP0(1,GPM), LGaussW0(1,GPM),
-LGaussP1(1,RealToInt(Ceiling(ERROR_ALGEBR_RATIO*GPM))), LGaussW1(1,RealToInt(Ceiling(ERROR_ALGEBR_RATIO*GPM)));
-static HMath_Vector L1 = new math_Vector(1,SM), L2 = new math_Vector(1,SM),
-DimL = new math_Vector(1,SM), ErrL = new math_Vector(1,SM), ErrUL = new math_Vector(1,SM,0.0),
-IxL = new math_Vector(1,SM), IyL = new math_Vector(1,SM), IzL = new math_Vector(1,SM),
-IxxL = new math_Vector(1,SM), IyyL = new math_Vector(1,SM), IzzL = new math_Vector(1,SM),
-IxyL = new math_Vector(1,SM), IxzL = new math_Vector(1,SM), IyzL = new math_Vector(1,SM);
-
-static math_Vector* LGaussP[] = {&LGaussP0,&LGaussP1};
-static math_Vector* LGaussW[] = {&LGaussW0,&LGaussW1};
-
-static math_Vector UGaussP0(1,GPM), UGaussW0(1,GPM),
-UGaussP1(1,RealToInt(Ceiling(ERROR_ALGEBR_RATIO*GPM))), UGaussW1(1,RealToInt(Ceiling(ERROR_ALGEBR_RATIO*GPM)));
-static HMath_Vector U1 = new math_Vector(1,SM), U2 = new math_Vector(1,SM),
-DimU = new math_Vector(1,SM), ErrU = new math_Vector(1,SM,0.0),
-IxU = new math_Vector(1,SM), IyU = new math_Vector(1,SM), IzU = new math_Vector(1,SM),
-IxxU = new math_Vector(1,SM), IyyU = new math_Vector(1,SM), IzzU = new math_Vector(1,SM),
-IxyU = new math_Vector(1,SM), IxzU = new math_Vector(1,SM), IyzU = new math_Vector(1,SM);
-
-static math_Vector* UGaussP[] = {&UGaussP0,&UGaussP1};
-static math_Vector* UGaussW[] = {&UGaussW0,&UGaussW1};
-
-static Standard_Integer FillIntervalBounds(Standard_Real A, Standard_Real B, const TColStd_Array1OfReal& Knots,
- HMath_Vector& VA, HMath_Vector& VB)
+//=======================================================================
+//function : BRepGProp_Vinert
+//purpose : Constructor
+//=======================================================================
+BRepGProp_Vinert::BRepGProp_Vinert()
{
- Standard_Integer i = 1, iEnd = Knots.Upper(), j = 1, k = 1;
- VA(j++) = A;
- for(; i <= iEnd; i++){
- Standard_Real kn = Knots(i);
- if(A < kn)
- {
- if(kn < B)
- {
- VA(j++) = VB(k++) = kn;
- }
- else
- {
- break;
- }
- }
- }
- VB(k) = B;
- return k;
}
-static inline Standard_Integer MaxSubs(Standard_Integer n, Standard_Integer coeff = SUBS_POWER){
- return n = IntegerLast()/coeff < n? IntegerLast(): n*coeff + 1;
-}
-
-static Standard_Integer LFillIntervalBounds(Standard_Real A, Standard_Real B, const TColStd_Array1OfReal& Knots,
- const Standard_Integer NumSubs)
+//=======================================================================
+//function : BRepGProp_Vinert
+//purpose :
+//=======================================================================
+BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& theSurface,
+ const gp_Pnt& theLocation,
+ const Standard_Real theEps)
{
- Standard_Integer iEnd = Knots.Upper(), jEnd = L1->Upper();
-
- // Modified by Sergey KHROMOV - Wed Mar 26 11:22:50 2003
- iEnd = Max(iEnd, MaxSubs(iEnd-1,NumSubs));
- if(iEnd - 1 > jEnd){
- // iEnd = MaxSubs(iEnd-1,NumSubs);
- // Modified by Sergey KHROMOV - Wed Mar 26 11:22:51 2003
- L1 = new math_Vector(1,iEnd); L2 = new math_Vector(1,iEnd);
- DimL = new math_Vector(1,iEnd); ErrL = new math_Vector(1,iEnd,0.0); ErrUL = new math_Vector(1,iEnd,0.0);
- IxL = new math_Vector(1,iEnd); IyL = new math_Vector(1,iEnd); IzL = new math_Vector(1,iEnd);
- IxxL = new math_Vector(1,iEnd); IyyL = new math_Vector(1,iEnd); IzzL = new math_Vector(1,iEnd);
- IxyL = new math_Vector(1,iEnd); IxzL = new math_Vector(1,iEnd); IyzL = new math_Vector(1,iEnd);
- }
- return FillIntervalBounds(A, B, Knots, L1, L2);
-}
-
-static Standard_Integer UFillIntervalBounds(Standard_Real A, Standard_Real B, const TColStd_Array1OfReal& Knots,
- const Standard_Integer NumSubs)
+ SetLocation(theLocation);
+ Perform(theSurface, theEps);
+}
+
+//=======================================================================
+//function : BRepGProp_Vinert
+//purpose :
+//=======================================================================
+BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& theSurface,
+ BRepGProp_Domain& theDomain,
+ const gp_Pnt& theLocation,
+ const Standard_Real theEps)
{
- Standard_Integer iEnd = Knots.Upper(), jEnd = U1->Upper();
-
- // Modified by Sergey KHROMOV - Wed Mar 26 11:22:50 2003
- iEnd = Max(iEnd, MaxSubs(iEnd-1,NumSubs));
- if(iEnd - 1 > jEnd){
- // iEnd = MaxSubs(iEnd-1,NumSubs);
- // Modified by Sergey KHROMOV - Wed Mar 26 11:22:51 2003
- U1 = new math_Vector(1,iEnd); U2 = new math_Vector(1,iEnd);
- DimU = new math_Vector(1,iEnd); ErrU = new math_Vector(1,iEnd,0.0);
- IxU = new math_Vector(1,iEnd); IyU = new math_Vector(1,iEnd); IzU = new math_Vector(1,iEnd);
- IxxU = new math_Vector(1,iEnd); IyyU = new math_Vector(1,iEnd); IzzU = new math_Vector(1,iEnd);
- IxyU = new math_Vector(1,iEnd); IxzU = new math_Vector(1,iEnd); IyzU = new math_Vector(1,iEnd);
- }
- return FillIntervalBounds(A, B, Knots, U1, U2);
+ SetLocation(theLocation);
+ Perform(theSurface, theDomain, theEps);
}
-static Standard_Real CCompute(BRepGProp_Face& S, BRepGProp_Domain& D, const Standard_Boolean ByPoint, const Standard_Real Coeff[],
- const gp_Pnt& loc, Standard_Real& Dim, gp_Pnt& g, gp_Mat& inertia,
- const Standard_Real EpsDim,
- const Standard_Boolean isErrorCalculation, const Standard_Boolean isVerifyComputation)
+//=======================================================================
+//function : BRepGProp_Vinert
+//purpose :
+//=======================================================================
+BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& theSurface,
+ BRepGProp_Domain& theDomain,
+ const gp_Pnt& theLocation)
{
- Standard_Boolean isNaturalRestriction = S.NaturalRestriction();
-
- Standard_Integer NumSubs = SUBS_POWER;
- Standard_Boolean isMinDim = IS_MIN_DIM;
-
- Standard_Real Ix, Iy, Iz, Ixx, Iyy, Izz, Ixy, Ixz, Iyz;
- Dim = Ix = Iy = Iz = Ixx = Iyy = Izz = Ixy = Ixz = Iyz = 0.0;
- //boundary curve parametrization
- Standard_Real l1, l2, lm, lr, l;
- //BRepGProp_Face parametrization in U and V direction
- Standard_Real BV1, BV2, v;
- Standard_Real BU1, BU2, u1, u2, um, ur, u;
- S.Bounds (BU1, BU2, BV1, BV2); u1 = BU1;
- //location point used to compute the inertia
- Standard_Real xloc, yloc, zloc;
- loc.Coord (xloc, yloc, zloc);
- //location point used to compute the inertiard (xloc, yloc, zloc);
- //Jacobien (x, y, z) -> (u, v) = ||n||
- Standard_Real xn, yn, zn, s, ds, dDim;
- Standard_Real x, y, z, xi, px, py, pz, yi, zi, d1, d2, d3;
- //On the BRepGProp_Face
- gp_Pnt Ps;
- gp_Vec VNor;
- //On the boundary curve u-v
- gp_Pnt2d Puv;
- gp_Vec2d Vuv;
- Standard_Real Dul; // Dul = Du / Dl
- Standard_Real CDim[2], CIx, CIy, CIz, CIxx[2], CIyy[2], CIzz[2], CIxy, CIxz, CIyz;
- Standard_Real LocDim[2], LocIx[2], LocIy[2], LocIz[2], LocIxx[2], LocIyy[2], LocIzz[2], LocIxy[2], LocIxz[2], LocIyz[2];
-
- Standard_Integer iD = 0, NbLSubs, iLS, iLSubEnd, iGL, iGLEnd, NbLGaussP[2], LRange[2], iL, kL, kLEnd, IL, JL;
- Standard_Integer i, NbUSubs, iUS, iUSubEnd, iGU, iGUEnd, NbUGaussP[2], URange[2], iU, kU, kUEnd, IU, JU;
- Standard_Integer UMaxSubs, LMaxSubs;
-
- Standard_Real ErrorU, ErrorL, ErrorLMax = 0.0, Eps=0.0, EpsL=0.0, EpsU=0.0;
- iGLEnd = isErrorCalculation? 2: 1;
-
- for(i = 0; i < 2; i++) {
- LocDim[i] = 0.0;
- LocIx[i] = 0.0;
- LocIy[i] = 0.0;
- LocIz[i] = 0.0;
- LocIxx[i] = 0.0;
- LocIyy[i] = 0.0;
- LocIzz[i] = 0.0;
- LocIxy[i] = 0.0;
- LocIyz[i] = 0.0;
- LocIxz[i] = 0.0;
- }
-
- NbUGaussP[0] = S.SIntOrder(EpsDim);
- NbUGaussP[1] = RealToInt(Ceiling(ERROR_ALGEBR_RATIO*NbUGaussP[0]));
- math::GaussPoints(NbUGaussP[0],UGaussP0); math::GaussWeights(NbUGaussP[0],UGaussW0);
- math::GaussPoints(NbUGaussP[1],UGaussP1); math::GaussWeights(NbUGaussP[1],UGaussW1);
-
- NbUSubs = S.SUIntSubs();
- TColStd_Array1OfReal UKnots(1,NbUSubs+1);
- S.UKnots(UKnots);
-
- while (isNaturalRestriction || D.More()) {
- if(isNaturalRestriction){
- NbLGaussP[0] = Min(2*NbUGaussP[0],math::GaussPointsMax());
- }else{
- S.Load(D.Value()); ++iD;
- NbLGaussP[0] = S.LIntOrder(EpsDim);
- }
- NbLGaussP[1] = RealToInt(Ceiling(ERROR_ALGEBR_RATIO*NbLGaussP[0]));
- math::GaussPoints(NbLGaussP[0],LGaussP0); math::GaussWeights(NbLGaussP[0],LGaussW0);
- math::GaussPoints(NbLGaussP[1],LGaussP1); math::GaussWeights(NbLGaussP[1],LGaussW1);
-
- NbLSubs = isNaturalRestriction? S.SVIntSubs(): S.LIntSubs();
- TColStd_Array1OfReal LKnots(1,NbLSubs+1);
- if(isNaturalRestriction){
- S.VKnots(LKnots);
- l1 = BV1; l2 = BV2;
- }else{
- S.LKnots(LKnots);
- l1 = S.FirstParameter(); l2 = S.LastParameter();
- }
- ErrorL = 0.0;
- kLEnd = 1; JL = 0;
- //OCC503(apo): if(Abs(l2-l1) < EPS_PARAM) continue;
- if(Abs(l2-l1) > EPS_PARAM) {
- iLSubEnd = LFillIntervalBounds(l1, l2, LKnots, NumSubs);
- LMaxSubs = MaxSubs(iLSubEnd);
- //-- exception avoiding
- if(LMaxSubs > SM) LMaxSubs = SM;
- DimL.Init(0.0,1,LMaxSubs); ErrL.Init(0.0,1,LMaxSubs); ErrUL.Init(0.0,1,LMaxSubs);
- do{// while: L
- if(++JL > iLSubEnd){
- LRange[0] = IL = ErrL->Max(); LRange[1] = JL;
- L1(JL) = (L1(IL) + L2(IL))/2.0; L2(JL) = L2(IL); L2(IL) = L1(JL);
- }else LRange[0] = IL = JL;
- if(JL == LMaxSubs || Abs(L2(JL) - L1(JL)) < EPS_PARAM)
- if(kLEnd == 1){
- DimL(JL) = ErrL(JL) = IxL(JL) = IyL(JL) = IzL(JL) =
- IxxL(JL) = IyyL(JL) = IzzL(JL) = IxyL(JL) = IxzL(JL) = IyzL(JL) = 0.0;
- }else{
- JL--;
- EpsL = ErrorL; Eps = EpsL/0.9;
- break;
- }
- else
- for(kL=0; kL < kLEnd; kL++){
- iLS = LRange[kL];
- lm = 0.5*(L2(iLS) + L1(iLS));
- lr = 0.5*(L2(iLS) - L1(iLS));
- CIx = CIy = CIz = CIxy = CIxz = CIyz = 0.0;
- for(iGL=0; iGL < iGLEnd; iGL++){//
- CDim[iGL] = CIxx[iGL] = CIyy[iGL] = CIzz[iGL] = 0.0;
- for(iL=1; iL<=NbLGaussP[iGL]; iL++){
- l = lm + lr*(*LGaussP[iGL])(iL);
- if(isNaturalRestriction){
- v = l; u2 = BU2; Dul = (*LGaussW[iGL])(iL);
- }else{
- S.D12d (l, Puv, Vuv);
- Dul = Vuv.Y()*(*LGaussW[iGL])(iL); // Dul = Du / Dl
- if(Abs(Dul) < EPS_PARAM) continue;
- v = Puv.Y(); u2 = Puv.X();
- //Check on cause out off bounds of value current parameter
- if(v < BV1) v = BV1; else if(v > BV2) v = BV2;
- if(u2 < BU1) u2 = BU1; else if(u2 > BU2) u2 = BU2;
- }
- ErrUL(iLS) = 0.0;
- kUEnd = 1; JU = 0;
- if(Abs(u2-u1) < EPS_PARAM) continue;
- iUSubEnd = UFillIntervalBounds(u1, u2, UKnots, NumSubs);
- UMaxSubs = MaxSubs(iUSubEnd);
- //-- exception avoiding
- if(UMaxSubs > SM) UMaxSubs = SM;
- DimU.Init(0.0,1,UMaxSubs); ErrU.Init(0.0,1,UMaxSubs); ErrorU = 0.0;
- do{//while: U
- if(++JU > iUSubEnd){
- URange[0] = IU = ErrU->Max(); URange[1] = JU;
- U1(JU) = (U1(IU)+U2(IU))/2.0; U2(JU) = U2(IU); U2(IU) = U1(JU);
- }else URange[0] = IU = JU;
- if(JU == UMaxSubs || Abs(U2(JU) - U1(JU)) < EPS_PARAM)
- if(kUEnd == 1){
- DimU(JU) = ErrU(JU) = IxU(JU) = IyU(JU) = IzU(JU) =
- IxxU(JU) = IyyU(JU) = IzzU(JU) = IxyU(JU) = IxzU(JU) = IyzU(JU) = 0.0;
- }else{
- JU--;
- EpsU = ErrorU; Eps = EpsU*Abs((u2-u1)*Dul)/0.1; EpsL = 0.9*Eps;
- break;
- }
- else
- for(kU=0; kU < kUEnd; kU++){
- iUS = URange[kU];
- um = 0.5*(U2(iUS) + U1(iUS));
- ur = 0.5*(U2(iUS) - U1(iUS));
- iGUEnd = iGLEnd - iGL;
- for(iGU=0; iGU < iGUEnd; iGU++){//
- LocDim[iGU] =
- LocIxx[iGU] = LocIyy[iGU] = LocIzz[iGU] =
- LocIx[iGU] = LocIy[iGU] = LocIz[iGU] =
- LocIxy[iGU] = LocIxz[iGU] = LocIyz[iGU] = 0.0;
- for(iU=1; iU<=NbUGaussP[iGU]; iU++){
- u = um + ur*(*UGaussP[iGU])(iU);
- S.Normal(u, v, Ps, VNor);
- VNor.Coord(xn, yn, zn);
- Ps.Coord(x, y, z);
- x -= xloc; y -= yloc; z -= zloc;
- xn *= (*UGaussW[iGU])(iU);
- yn *= (*UGaussW[iGU])(iU);
- zn *= (*UGaussW[iGU])(iU);
- if(ByPoint){
- //volume of elementary cone
- dDim = (x*xn+y*yn+z*zn)/3.0;
- //coordinates of cone's center mass
- px = 0.75*x; py = 0.75*y; pz = 0.75*z;
- LocDim[iGU] += dDim;
- //if(iGU > 0) continue;
- LocIx[iGU] += px*dDim;
- LocIy[iGU] += py*dDim;
- LocIz[iGU] += pz*dDim;
- x -= Coeff[0]; y -= Coeff[1]; z -= Coeff[2];
- dDim *= 3.0/5.0;
- LocIxy[iGU] -= x*y*dDim;
- LocIyz[iGU] -= y*z*dDim;
- LocIxz[iGU] -= x*z*dDim;
- xi = x*x; yi = y*y; zi = z*z;
- LocIxx[iGU] += (yi+zi)*dDim;
- LocIyy[iGU] += (xi+zi)*dDim;
- LocIzz[iGU] += (xi+yi)*dDim;
- }else{ // by plane
- s = xn*Coeff[0] + yn*Coeff[1] + zn*Coeff[2];
- d1 = Coeff[0]*x + Coeff[1]*y + Coeff[2]*z - Coeff[3];
- d2 = d1*d1;
- d3 = d1*d2/3.0;
- ds = s*d1;
- LocDim[iGU] += ds;
- //if(iGU > 0) continue;
- LocIx[iGU] += (x - Coeff[0]*d1/2.0) * ds;
- LocIy[iGU] += (y - Coeff[1]*d1/2.0) * ds;
- LocIz[iGU] += (z - Coeff[2]*d1/2.0) * ds;
- px = x-Coeff[0]*d1; py = y-Coeff[1]*d1; pz = z-Coeff[2]*d1;
- xi = px*px*d1 + px*Coeff[0]*d2 + Coeff[0]*Coeff[0]*d3;
- yi = py*py*d1 + py*Coeff[1]*d2 + Coeff[1]*Coeff[1]*d3;
- zi = pz*pz*d1 + pz*Coeff[2]*d2 + Coeff[2]*Coeff[2]*d3;
- LocIxx[iGU] += (yi+zi)*s;
- LocIyy[iGU] += (xi+zi)*s;
- LocIzz[iGU] += (xi+yi)*s;
- d2 /= 2.0;
- xi = py*pz*d1 + py*Coeff[2]*d2 + pz*Coeff[1]*d2 + Coeff[1]*Coeff[2]*d3;
- yi = px*pz*d1 + pz*Coeff[0]*d2 + px*Coeff[2]*d2 + Coeff[0]*Coeff[2]*d3;
- zi = px*py*d1 + px*Coeff[1]*d2 + py*Coeff[0]*d2 + Coeff[0]*Coeff[1]*d3;
- LocIxy[iGU] -= zi*s; LocIyz[iGU] -= xi*s; LocIxz[iGU] -= yi*s;
- }
- }//for: iU
- }//for: iGU
- DimU(iUS) = LocDim[0]*ur;
- IxxU(iUS) = LocIxx[0]*ur; IyyU(iUS) = LocIyy[0]*ur; IzzU(iUS) = LocIzz[0]*ur;
- if(iGL > 0) continue;
- LocDim[1] = Abs(LocDim[1]-LocDim[0]);
- LocIxx[1] = Abs(LocIxx[1]-LocIxx[0]);
- LocIyy[1] = Abs(LocIyy[1]-LocIyy[0]);
- LocIzz[1] = Abs(LocIzz[1]-LocIzz[0]);
- ErrU(iUS) = isMinDim? LocDim[1]*ur: (LocIxx[1] + LocIyy[1] + LocIzz[1])*ur;
- IxU(iUS) = LocIx[0]*ur; IyU(iUS) = LocIy[0]*ur; IzU(iUS) = LocIz[0]*ur;
- IxyU(iUS) = LocIxy[0]*ur; IxzU(iUS) = LocIxz[0]*ur; IyzU(iUS) = LocIyz[0]*ur;
- }//for: kU (iUS)
- if(JU == iUSubEnd) kUEnd = 2;
- if(kUEnd == 2) {
- Standard_Integer imax = ErrU->Max();
- if(imax > 0) ErrorU = ErrU(imax);
- else ErrorU = 0.0;
- }
- }while((ErrorU - EpsU > 0.0 && EpsU != 0.0) || kUEnd == 1);
- for(i=1; i<=JU; i++) {
- CDim[iGL] += DimU(i)*Dul;
- CIxx[iGL] += IxxU(i)*Dul; CIyy[iGL] += IyyU(i)*Dul; CIzz[iGL] += IzzU(i)*Dul;
- }
- if(iGL > 0) continue;
- ErrUL(iLS) = ErrorU*Abs((u2-u1)*Dul);
- for(i=1; i<=JU; i++){
- CIx += IxU(i)*Dul; CIy += IyU(i)*Dul; CIz += IzU(i)*Dul;
- //CIxx += IxxU(i)*Dul; CIyy += IyyU(i)*Dul; CIzz += IzzU(i)*Dul;
- CIxy += IxyU(i)*Dul; CIxz += IxzU(i)*Dul; CIyz += IyzU(i)*Dul;
- }
- }//for: iL
- }//for: iGL
- DimL(iLS) = CDim[0]*lr;
- IxxL(iLS) = CIxx[0]*lr; IyyL(iLS) = CIyy[0]*lr; IzzL(iLS) = CIzz[0]*lr;
- if(iGLEnd == 2) {
- //ErrL(iLS) = Abs(CDim[1]-CDim[0])*lr + ErrUL(iLS);
- CDim[1] = Abs(CDim[1]-CDim[0]);
- CIxx[1] = Abs(CIxx[1]-CIxx[0]); CIyy[1] = Abs(CIyy[1]-CIyy[0]); CIzz[1] = Abs(CIzz[1]-CIzz[0]);
- ErrorU = ErrUL(iLS);
- ErrL(iLS) = (isMinDim? CDim[1]: (CIxx[1] + CIyy[1] + CIzz[1]))*lr + ErrorU;
- }
- IxL(iLS) = CIx*lr; IyL(iLS) = CIy*lr; IzL(iLS) = CIz*lr;
- //IxxL(iLS) = CIxx*lr; IyyL(iLS) = CIyy*lr; IzzL(iLS) = CIzz*lr;
- IxyL(iLS) = CIxy*lr; IxzL(iLS) = CIxz*lr; IyzL(iLS) = CIyz*lr;
- }//for: (kL)iLS
- // Calculate/correct epsilon of computation by current value of Dim
- //That is need for not spend time for
- if(JL == iLSubEnd){
- kLEnd = 2;
- Standard_Real DDim = 0.0, DIxx = 0.0, DIyy = 0.0, DIzz = 0.0;
- for(i=1; i<=JL; i++) {
- DDim += DimL(i);
- DIxx += IxxL(i); DIyy += IyyL(i); DIzz += IzzL(i);
- }
- DDim = isMinDim? Abs(DDim): Abs(DIxx) + Abs(DIyy) + Abs(DIzz);
- DDim = Abs(DDim*EpsDim);
- if(DDim > Eps) {
- Eps = DDim; EpsL = 0.9*Eps;
- }
- }
- if(kLEnd == 2) {
- Standard_Integer imax = ErrL->Max();
- if(imax > 0) ErrorL = ErrL(imax);
- else ErrorL = 0.0;
- }
- }while((ErrorL - EpsL > 0.0 && isVerifyComputation) || kLEnd == 1);
- for(i=1; i<=JL; i++){
- Dim += DimL(i);
- Ix += IxL(i); Iy += IyL(i); Iz += IzL(i);
- Ixx += IxxL(i); Iyy += IyyL(i); Izz += IzzL(i);
- Ixy += IxyL(i); Ixz += IxzL(i); Iyz += IyzL(i);
- }
- ErrorLMax = Max(ErrorLMax, ErrorL);
- }
- if(isNaturalRestriction) break;
- D.Next();
- }
- if(Abs(Dim) >= EPS_DIM){
- if(ByPoint){
- Ix = Coeff[0] + Ix/Dim;
- Iy = Coeff[1] + Iy/Dim;
- Iz = Coeff[2] + Iz/Dim;
- }else{
- Ix /= Dim;
- Iy /= Dim;
- Iz /= Dim;
- }
- g.SetCoord (Ix, Iy, Iz);
- }else{
- Dim =0.;
- g.SetCoord(0.,0.,0.);
- }
- inertia.SetCols (gp_XYZ (Ixx, Ixy, Ixz),
- gp_XYZ (Ixy, Iyy, Iyz),
- gp_XYZ (Ixz, Iyz, Izz));
- if(iGLEnd == 2)
- Eps = Dim != 0.0? ErrorLMax/(isMinDim? Abs(Dim): (Abs(Ixx) + Abs(Iyy) + Abs(Izz))): 0.0;
- else Eps = EpsDim;
- return Eps;
+ SetLocation(theLocation);
+ Perform(theSurface, theDomain);
}
-static Standard_Real Compute(BRepGProp_Face& S, const Standard_Boolean ByPoint, const Standard_Real Coeff[],
- const gp_Pnt& loc, Standard_Real& Dim, gp_Pnt& g, gp_Mat& inertia, Standard_Real EpsDim)
+//=======================================================================
+//function : BRepGProp_Vinert
+//purpose :
+//=======================================================================
+BRepGProp_Vinert::BRepGProp_Vinert(const BRepGProp_Face& theSurface,
+ const gp_Pnt& theLocation)
{
- Standard_Boolean isErrorCalculation = 0.0 > EpsDim || EpsDim < 0.001? 1: 0;
- Standard_Boolean isVerifyComputation = 0.0 < EpsDim && EpsDim < 0.001? 1: 0;
- EpsDim = Abs(EpsDim);
- BRepGProp_Domain D;
- return CCompute(S,D,ByPoint,Coeff,loc,Dim,g,inertia,EpsDim,isErrorCalculation,isVerifyComputation);
+ SetLocation(theLocation);
+ Perform(theSurface);
+}
+
+//=======================================================================
+//function : BRepGProp_Vinert
+//purpose :
+//=======================================================================
+BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& theSurface,
+ const gp_Pnt& theOrigin,
+ const gp_Pnt& theLocation,
+ const Standard_Real theEps)
+{
+ SetLocation(theLocation);
+ Perform(theSurface, theOrigin, theEps);
+}
+
+//=======================================================================
+//function : BRepGProp_Vinert
+//purpose :
+//=======================================================================
+BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& theSurface,
+ BRepGProp_Domain& theDomain,
+ const gp_Pnt& theOrigin,
+ const gp_Pnt& theLocation,
+ const Standard_Real theEps)
+{
+ SetLocation(theLocation);
+ Perform(theSurface, theDomain, theOrigin, theEps);
}
-static Standard_Real Compute(BRepGProp_Face& S, BRepGProp_Domain& D, const Standard_Boolean ByPoint, const Standard_Real Coeff[],
- const gp_Pnt& loc, Standard_Real& Dim, gp_Pnt& g, gp_Mat& inertia, Standard_Real EpsDim)
+//=======================================================================
+//function : BRepGProp_Vinert
+//purpose :
+//=======================================================================
+BRepGProp_Vinert::BRepGProp_Vinert(const BRepGProp_Face& theSurface,
+ const gp_Pnt& theOrigin,
+ const gp_Pnt& theLocation)
+{
+ SetLocation(theLocation);
+ Perform(theSurface, theOrigin);
+}
+
+//=======================================================================
+//function : BRepGProp_Vinert
+//purpose :
+//=======================================================================
+BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& theSurface,
+ BRepGProp_Domain& theDomain,
+ const gp_Pnt& theOrigin,
+ const gp_Pnt& theLocation)
+{
+ SetLocation(theLocation);
+ Perform(theSurface, theDomain, theOrigin);
+}
+
+//=======================================================================
+//function : BRepGProp_Vinert
+//purpose :
+//=======================================================================
+BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& theSurface,
+ const gp_Pln& thePlane,
+ const gp_Pnt& theLocation,
+ const Standard_Real theEps)
{
- Standard_Boolean isErrorCalculation = 0.0 > EpsDim || EpsDim < 0.001? 1: 0;
- Standard_Boolean isVerifyComputation = 0.0 < EpsDim && EpsDim < 0.001? 1: 0;
- EpsDim = Abs(EpsDim);
- return CCompute(S,D,ByPoint,Coeff,loc,Dim,g,inertia,EpsDim,isErrorCalculation,isVerifyComputation);
+ SetLocation(theLocation);
+ Perform(theSurface, thePlane, theEps);
+}
+
+//=======================================================================
+//function : BRepGProp_Vinert
+//purpose :
+//=======================================================================
+BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& theSurface,
+ BRepGProp_Domain& theDomain,
+ const gp_Pln& thePlane,
+ const gp_Pnt& theLocation,
+ const Standard_Real theEps)
+{
+ SetLocation(theLocation);
+ Perform(theSurface, theDomain, thePlane, theEps);
}
-static void Compute(const BRepGProp_Face& S,
- const Standard_Boolean ByPoint,
- const Standard_Real Coeff[],
- const gp_Pnt& Loc,
- Standard_Real& Volu,
- gp_Pnt& G,
- gp_Mat& Inertia)
+//=======================================================================
+//function : BRepGProp_Vinert
+//purpose :
+//=======================================================================
+BRepGProp_Vinert::BRepGProp_Vinert(const BRepGProp_Face& theSurface,
+ const gp_Pln& thePlane,
+ const gp_Pnt& theLocation)
{
-
- gp_Pnt P;
- gp_Vec VNor;
- Standard_Real dvi, dv;
- Standard_Real ur, um, u, vr, vm, v;
- Standard_Real x, y, z, xn, yn, zn, xi, yi, zi;
- // Standard_Real x, y, z, xn, yn, zn, xi, yi, zi, xyz;
- Standard_Real px,py,pz,s,d1,d2,d3;
- Standard_Real Ixi, Iyi, Izi, Ixxi, Iyyi, Izzi, Ixyi, Ixzi, Iyzi;
- Standard_Real xloc, yloc, zloc;
- Standard_Real Ix, Iy, Iz, Ixx, Iyy, Izz, Ixy, Ixz, Iyz;
-
- Volu = Ix = Iy = Iz = Ixx = Iyy = Izz = Ixy = Ixz = Iyz = 0.0;
- Loc.Coord (xloc, yloc, zloc);
-
- Standard_Real LowerU, UpperU, LowerV, UpperV;
- S.Bounds ( LowerU, UpperU, LowerV, UpperV);
- Standard_Integer UOrder = Min(S.UIntegrationOrder (),
- math::GaussPointsMax());
- Standard_Integer VOrder = Min(S.VIntegrationOrder (),
- math::GaussPointsMax());
-
- Standard_Integer i, j;
- math_Vector GaussPU (1, UOrder); //gauss points and weights
- math_Vector GaussWU (1, UOrder);
- math_Vector GaussPV (1, VOrder);
- math_Vector GaussWV (1, VOrder);
-
- math::GaussPoints (UOrder,GaussPU);
- math::GaussWeights (UOrder,GaussWU);
- math::GaussPoints (VOrder,GaussPV);
- math::GaussWeights (VOrder,GaussWV);
-
- um = 0.5 * (UpperU + LowerU);
- vm = 0.5 * (UpperV + LowerV);
- ur = 0.5 * (UpperU - LowerU);
- vr = 0.5 * (UpperV - LowerV);
-
- for (j = 1; j <= VOrder; j++) {
- v = vm + vr * GaussPV (j);
- dvi = Ixi = Iyi = Izi = Ixxi = Iyyi = Izzi = Ixyi = Ixzi = Iyzi = 0.0;
-
- for (i = 1; i <= UOrder; i++) {
- u = um + ur * GaussPU (i);
- S.Normal (u, v, P, VNor);
- VNor.Coord (xn, yn, zn);
- P.Coord (x, y, z);
- x -= xloc; y -= yloc; z -= zloc;
- xn *= GaussWU (i); yn *= GaussWU (i); zn *= GaussWU (i);
- if (ByPoint) {
- ///////////////////// ///////////////////////
- // OFV code // // Initial code //
- ///////////////////// ///////////////////////
- // modified by APO
- dv = (x*xn+y*yn+z*zn)/3.0; //xyz = x * y * z;
- dvi += dv; //Ixyi += zn * xyz;
- Ixi += 0.75*x*dv; //Iyzi += xn * xyz;
- Iyi += 0.75*y*dv; //Ixzi += yn * xyz;
- Izi += 0.75*z*dv; //xi = x * x * x * xn / 3.0;
- x -= Coeff[0]; //yi = y * y * y * yn / 3.0;
- y -= Coeff[1]; //zi = z * z * z * zn / 3.0;
- z -= Coeff[2]; //Ixxi += (yi + zi);
- dv *= 3.0/5.0; //Iyyi += (xi + zi);
- Ixyi -= x*y*dv; //Izzi += (xi + yi);
- Iyzi -= y*z*dv; //x -= Coeff[0];
- Ixzi -= x*z*dv; //y -= Coeff[1];
- xi = x*x; //z -= Coeff[2];
- yi = y*y; //dv = x * xn + y * yn + z * zn;
- zi = z*z; //dvi += dv;
- Ixxi += (yi + zi)*dv; //Ixi += x * dv;
- Iyyi += (xi + zi)*dv; //Iyi += y * dv;
- Izzi += (xi + yi)*dv; //Izi += z * dv;
- }
- else { // by plane
- s = xn * Coeff[0] + yn * Coeff[1] + zn * Coeff[2];
- d1 = Coeff[0] * x + Coeff[1] * y + Coeff[2] * z - Coeff[3];
- d2 = d1 * d1;
- d3 = d1 * d2 / 3.0;
- dv = s * d1;
- dvi += dv;
- Ixi += (x - (Coeff[0] * d1 / 2.0)) * dv;
- Iyi += (y - (Coeff[1] * d1 / 2.0)) * dv;
- Izi += (z - (Coeff[2] * d1 / 2.0)) * dv;
- px = x - Coeff[0] * d1;
- py = y - Coeff[1] * d1;
- pz = z - Coeff[2] * d1;
- xi = px * px * d1 + px * Coeff[0]* d2 + Coeff[0] * Coeff[0] * d3;
- yi = py * py * d1 + py * Coeff[1] * d2 + Coeff[1] * Coeff[1] * d3;
- zi = pz * pz * d1 + pz * Coeff[2] * d2 + Coeff[2] * Coeff[2] * d3;
- Ixxi += (yi + zi) * s;
- Iyyi += (xi + zi) * s;
- Izzi += (xi + yi) * s;
- d2 /= 2.0;
- xi = (py * pz * d1) + (py * Coeff[2] * d2) + (pz * Coeff[1] * d2) + (Coeff[1] * Coeff[2] * d3);
- yi = (px * pz * d1) + (pz * Coeff[0] * d2) + (px * Coeff[2] * d2) + (Coeff[0] * Coeff[2] * d3);
- zi = (px * py * d1) + (px * Coeff[1] * d2) + (py * Coeff[0] * d2) + (Coeff[0] * Coeff[1] * d3);
- Ixyi -= zi * s;
- Iyzi -= xi * s;
- Ixzi -= yi * s;
- }
- }
- Volu += dvi * GaussWV (j);
- Ix += Ixi * GaussWV (j);
- Iy += Iyi * GaussWV (j);
- Iz += Izi * GaussWV (j);
- Ixx += Ixxi * GaussWV (j);
- Iyy += Iyyi * GaussWV (j);
- Izz += Izzi * GaussWV (j);
- Ixy += Ixyi * GaussWV (j);
- Ixz += Ixzi * GaussWV (j);
- Iyz += Iyzi * GaussWV (j);
- }
- vr *= ur;
- Ixx *= vr;
- Iyy *= vr;
- Izz *= vr;
- Ixy *= vr;
- Ixz *= vr;
- Iyz *= vr;
- if (Abs(Volu) >= EPS_DIM ) {
- if (ByPoint) {
- Ix = Coeff[0] + Ix/Volu;
- Iy = Coeff[1] + Iy/Volu;
- Iz = Coeff[2] + Iz/Volu;
- Volu *= vr;
- }
- else { //by plane
- Ix /= Volu;
- Iy /= Volu;
- Iz /= Volu;
- Volu *= vr;
- }
- G.SetCoord (Ix, Iy, Iz);
- }
- else {
- G.SetCoord(0.,0.,0.);
- Volu =0.;
- }
- Inertia.SetCols (gp_XYZ (Ixx, Ixy, Ixz),
- gp_XYZ (Ixy, Iyy, Iyz),
- gp_XYZ (Ixz, Iyz, Izz));
-
+ SetLocation(theLocation);
+ Perform(theSurface, thePlane);
+}
+
+//=======================================================================
+//function : BRepGProp_Vinert
+//purpose :
+//=======================================================================
+BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& theSurface,
+ BRepGProp_Domain& theDomain,
+ const gp_Pln& thePlane,
+ const gp_Pnt& theLocation)
+{
+ SetLocation(theLocation);
+ Perform(theSurface, theDomain, thePlane);
}
-// Last modified by OFV 5.2001:
-// 1). surface and edge integration order is equal now
-// 2). "by point" works now rathre correctly (it looks so...)
-static void Compute(BRepGProp_Face& S, BRepGProp_Domain& D, const Standard_Boolean ByPoint, const Standard_Real Coeff[],
- const gp_Pnt& Loc, Standard_Real& Volu, gp_Pnt& G, gp_Mat& Inertia)
-
+//=======================================================================
+//function : SetLocation
+//purpose :
+//=======================================================================
+void BRepGProp_Vinert::SetLocation(const gp_Pnt& theLocation)
{
- Standard_Real x, y, z, xi, yi, zi, l1, l2, lm, lr, l, v1, v2, v, u1, u2, um, ur, u, ds, Dul, xloc, yloc, zloc;
- Standard_Real LocVolu, LocIx, LocIy, LocIz, LocIxx, LocIyy, LocIzz, LocIxy, LocIxz, LocIyz;
- Standard_Real CVolu, CIx, CIy, CIz, CIxx, CIyy, CIzz, CIxy, CIxz, CIyz, Ix, Iy, Iz, Ixx, Iyy, Izz, Ixy, Ixz, Iyz;
- Standard_Real xn, yn, zn, px, py, pz, s, d1, d2, d3, dSigma;
- Standard_Integer i, j, vio, sio, max, NbGaussgp_Pnts;
-
- gp_Pnt Ps;
- gp_Vec VNor;
- gp_Pnt2d Puv;
- gp_Vec2d Vuv;
-
- Loc.Coord (xloc, yloc, zloc);
- Volu = Ix = Iy = Iz = Ixx = Iyy = Izz = Ixy = Ixz = Iyz = 0.0;
- S.Bounds (u1, u2, v1, v2);
- Standard_Real _u2 = u2; //OCC104
- vio = S.VIntegrationOrder ();
-
- while (D.More())
- {
- S.Load(D.Value());
- sio = S.IntegrationOrder ();
- max = Max(vio,sio);
- NbGaussgp_Pnts = Min(max,math::GaussPointsMax());
-
- math_Vector GaussP (1, NbGaussgp_Pnts);
- math_Vector GaussW (1, NbGaussgp_Pnts);
- math::GaussPoints (NbGaussgp_Pnts,GaussP);
- math::GaussWeights (NbGaussgp_Pnts,GaussW);
-
- CVolu = CIx = CIy = CIz = CIxx = CIyy = CIzz = CIxy = CIxz = CIyz = 0.0;
- l1 = S.FirstParameter();
- l2 = S.LastParameter();
- lm = 0.5 * (l2 + l1);
- lr = 0.5 * (l2 - l1);
-
- for (i=1; i<=NbGaussgp_Pnts; i++)
- {
- l = lm + lr * GaussP(i);
- S.D12d (l, Puv, Vuv);
- v = Puv.Y();
- u2 = Puv.X();
-
- //OCC104
- v = v < v1? v1: v;
- v = v > v2? v2: v;
- u2 = u2 < u1? u1: u2;
- u2 = u2 > _u2? _u2: u2;
-
- Dul = Vuv.Y() * GaussW(i);
- um = 0.5 * (u2 + u1);
- ur = 0.5 * (u2 - u1);
- LocVolu = LocIx = LocIy = LocIz = LocIxx = LocIyy = LocIzz = LocIxy = LocIxz = LocIyz = 0.0;
-
- for (j=1; j<=NbGaussgp_Pnts; j++)
- {
- u = um + ur * GaussP(j);
- S.Normal (u, v, Ps, VNor);
- VNor.Coord (xn, yn, zn);
- Ps.Coord (x, y, z);
- x -= xloc;
- y -= yloc;
- z -= zloc;
- xn = xn * Dul * GaussW(j);
- yn = yn * Dul * GaussW(j);
- zn = zn * Dul * GaussW(j);
- if(ByPoint)
- {
- dSigma = (x*xn+y*yn+z*zn)/3.0;
- LocVolu += dSigma;
- LocIx += 0.75*x*dSigma;
- LocIy += 0.75*y*dSigma;
- LocIz += 0.75*z*dSigma;
- x -= Coeff[0];
- y -= Coeff[1];
- z -= Coeff[2];
- dSigma *= 3.0/5.0;
- LocIxy -= x*y*dSigma;
- LocIyz -= y*z*dSigma;
- LocIxz -= x*z*dSigma;
- xi = x*x;
- yi = y*y;
- zi = z*z;
- LocIxx += (yi + zi)*dSigma;
- LocIyy += (xi + zi)*dSigma;
- LocIzz += (xi + yi)*dSigma;
- }
- else
- {
- s = xn * Coeff[0] + yn * Coeff[1] + zn * Coeff[2];
- d1 = Coeff[0] * x + Coeff[1] * y + Coeff[2] * z;
- d2 = d1 * d1;
- d3 = d1 * d2 / 3.0;
- ds = s * d1;
- LocVolu += ds;
- LocIx += (x - Coeff[0] * d1 / 2.0) * ds;
- LocIy += (y - Coeff[1] * d1 / 2.0) * ds;
- LocIz += (z - Coeff[2] * d1 / 2.0) * ds;
- px = x - Coeff[0] * d1;
- py = y - Coeff[1] * d1;
- pz = z - Coeff[2] * d1;
- xi = (px * px * d1) + (px * Coeff[0]* d2) + (Coeff[0] * Coeff[0] * d3);
- yi = (py * py * d1) + (py * Coeff[1] * d2) + (Coeff[1] * Coeff[1] * d3);
- zi = pz * pz * d1 + pz * Coeff[2] * d2 + (Coeff[2] * Coeff[2] * d3);
- LocIxx += (yi + zi) * s;
- LocIyy += (xi + zi) * s;
- LocIzz += (xi + yi) * s;
- d2 /= 2.0;
- xi = (py * pz * d1) + (py * Coeff[2] * d2) + (pz * Coeff[1] * d2) + (Coeff[1] * Coeff[2] * d3);
- yi = (px * pz * d1) + (pz * Coeff[0] * d2) + (px * Coeff[2] * d2) + (Coeff[0] * Coeff[2] * d3);
- zi = (px * py * d1) + (px * Coeff[1] * d2) + (py * Coeff[0] * d2) + (Coeff[0] * Coeff[1] * d3);
- LocIxy -= zi * s;
- LocIyz -= xi * s;
- LocIxz -= yi * s;
- }
- }
- CVolu += LocVolu * ur;
- CIx += LocIx * ur;
- CIy += LocIy * ur;
- CIz += LocIz * ur;
- CIxx += LocIxx * ur;
- CIyy += LocIyy * ur;
- CIzz += LocIzz * ur;
- CIxy += LocIxy * ur;
- CIxz += LocIxz * ur;
- CIyz += LocIyz * ur;
- }
- Volu += CVolu * lr;
- Ix += CIx * lr;
- Iy += CIy * lr;
- Iz += CIz * lr;
- Ixx += CIxx * lr;
- Iyy += CIyy * lr;
- Izz += CIzz * lr;
- Ixy += CIxy * lr;
- Ixz += CIxz * lr;
- Iyz += CIyz * lr;
- D.Next();
- }
-
- if(Abs(Volu) >= EPS_DIM)
- {
- if(ByPoint)
- {
- Ix = Coeff[0] + Ix/Volu;
- Iy = Coeff[1] + Iy/Volu;
- Iz = Coeff[2] + Iz/Volu;
- }
- else
- {
- Ix /= Volu;
- Iy /= Volu;
- Iz /= Volu;
- }
- G.SetCoord (Ix, Iy, Iz);
- }
- else
- {
- Volu =0.;
- G.SetCoord(0.,0.,0.);
- }
-
- Inertia.SetCols (gp_XYZ (Ixx, Ixy, Ixz),
- gp_XYZ (Ixy, Iyy, Iyz),
- gp_XYZ (Ixz, Iyz, Izz));
-
+ loc = theLocation;
}
-BRepGProp_Vinert::BRepGProp_Vinert(){}
-
-BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& S, const gp_Pnt& VLocation, const Standard_Real Eps){
- SetLocation(VLocation);
- Perform(S,Eps);
+//=======================================================================
+//function : Perform
+//purpose :
+//=======================================================================
+Standard_Real BRepGProp_Vinert::Perform(BRepGProp_Face& theSurface,
+ const Standard_Real theEps)
+{
+ BRepGProp_Domain anEmptyDomain;
+ return Perform(theSurface, anEmptyDomain, theEps);
}
-BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pnt& VLocation, const Standard_Real Eps){
- SetLocation(VLocation);
- Perform(S,D,Eps);
-}
+//=======================================================================
+//function :
+//purpose :
+//=======================================================================
+Standard_Real BRepGProp_Vinert::Perform(BRepGProp_Face& theSurface,
+ BRepGProp_Domain& theDomain,
+ const Standard_Real theEps)
+{
+ const Standard_Real aCoeff[] = {0.0, 0.0, 0.0};
+ BRepGProp_Gauss aGauss(BRepGProp_Gauss::Vinert);
-BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pnt& VLocation){
- SetLocation(VLocation);
- Perform(S,D);
+ return myEpsilon =
+ aGauss.Compute(theSurface, theDomain, loc, theEps,
+ aCoeff, Standard_True, dim, g, inertia);
}
-BRepGProp_Vinert::BRepGProp_Vinert(const BRepGProp_Face& S, const gp_Pnt& VLocation){
- SetLocation(VLocation);
- Perform(S);
-}
+//=======================================================================
+//function : Perform
+//purpose :
+//=======================================================================
+void BRepGProp_Vinert::Perform(const BRepGProp_Face& theSurface)
+{
+ const Standard_Real aCoeff[] = {0.0, 0.0, 0.0};
+ BRepGProp_Gauss aGauss(BRepGProp_Gauss::Vinert);
-BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& S, const gp_Pnt& O, const gp_Pnt& VLocation, const Standard_Real Eps){
- SetLocation(VLocation);
- Perform(S,O,Eps);
+ myEpsilon = 1.0;
+ aGauss.Compute(theSurface, loc, aCoeff, Standard_True, dim, g, inertia);
}
-BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pnt& O, const gp_Pnt& VLocation, const Standard_Real Eps){
- SetLocation(VLocation);
- Perform(S,D,O,Eps);
-}
+//=======================================================================
+//function : Perform
+//purpose :
+//=======================================================================
+void BRepGProp_Vinert::Perform(BRepGProp_Face& theSurface,
+ BRepGProp_Domain& theDomain)
+{
+ const Standard_Real aCoeff[] = {0.0, 0.0, 0.0};
+ BRepGProp_Gauss aGauss(BRepGProp_Gauss::Vinert);
-BRepGProp_Vinert::BRepGProp_Vinert(const BRepGProp_Face& S, const gp_Pnt& O, const gp_Pnt& VLocation){
- SetLocation(VLocation);
- Perform(S,O);
+ myEpsilon = 1.0;
+ aGauss.Compute(theSurface, theDomain, loc, aCoeff, Standard_True, dim, g, inertia);
}
-BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pnt& O, const gp_Pnt& VLocation){
- SetLocation(VLocation);
- Perform(S,D,O);
-}
+//=======================================================================
+//function : Perform
+//purpose :
+//=======================================================================
+Standard_Real BRepGProp_Vinert::Perform(BRepGProp_Face& theSurface,
+ const gp_Pnt& theOrigin,
+ const Standard_Real theEps)
+{
+ BRepGProp_Domain anEmptyDomain;
+ return Perform(theSurface, anEmptyDomain, theOrigin, theEps);
+}
+
+//=======================================================================
+//function : Perform
+//purpose :
+//=======================================================================
+Standard_Real BRepGProp_Vinert::Perform(BRepGProp_Face& theSurface,
+ BRepGProp_Domain& theDomain,
+ const gp_Pnt& theOrigin,
+ const Standard_Real theEps)
+{
+ const Standard_Real aCoeff[] =
+ {
+ theOrigin.X() - loc.X(),
+ theOrigin.Y() - loc.Y(),
+ theOrigin.Z() - loc.Z()
+ };
-BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& S, const gp_Pln& Pl, const gp_Pnt& VLocation, const Standard_Real Eps){
- SetLocation(VLocation);
- Perform(S,Pl,Eps);
-}
+ BRepGProp_Gauss aGauss(BRepGProp_Gauss::Vinert);
-BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pln& Pl, const gp_Pnt& VLocation, const Standard_Real Eps){
- SetLocation(VLocation);
- Perform(S,D,Pl,Eps);
+ return myEpsilon =
+ aGauss.Compute(theSurface, theDomain, loc, theEps,
+ aCoeff, Standard_True, dim, g, inertia);
}
-BRepGProp_Vinert::BRepGProp_Vinert(const BRepGProp_Face& S, const gp_Pln& Pl, const gp_Pnt& VLocation){
- SetLocation(VLocation);
- Perform(S,Pl);
-}
+//=======================================================================
+//function : Perform
+//purpose :
+//=======================================================================
+void BRepGProp_Vinert::Perform(const BRepGProp_Face& theSurface,
+ const gp_Pnt& theOrigin)
+{
+ BRepGProp_Gauss aGauss(BRepGProp_Gauss::Vinert);
+ const Standard_Real aCoeff[] =
+ {
+ theOrigin.X() - loc.X(),
+ theOrigin.Y() - loc.Y(),
+ theOrigin.Z() - loc.Z()
+ };
-BRepGProp_Vinert::BRepGProp_Vinert(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pln& Pl, const gp_Pnt& VLocation){
- SetLocation(VLocation);
- Perform(S,D,Pl);
+ myEpsilon = 1.0;
+ aGauss.Compute(theSurface, loc, aCoeff, Standard_True, dim, g, inertia);
}
-void BRepGProp_Vinert::SetLocation(const gp_Pnt& VLocation){
- loc = VLocation;
-}
+//=======================================================================
+//function : Perform
+//purpose :
+//=======================================================================
+void BRepGProp_Vinert::Perform(BRepGProp_Face& theSurface,
+ BRepGProp_Domain& theDomain,
+ const gp_Pnt& theOrigin)
+{
+ BRepGProp_Gauss aGauss(BRepGProp_Gauss::Vinert);
+ const Standard_Real aCoeff[] =
+ {
+ theOrigin.X() - loc.X(),
+ theOrigin.Y() - loc.Y(),
+ theOrigin.Z() - loc.Z()
+ };
-Standard_Real BRepGProp_Vinert::Perform(BRepGProp_Face& S, const Standard_Real Eps){
- Standard_Real Coeff[] = {0., 0., 0.};
- return myEpsilon = Compute(S,Standard_True,Coeff,loc,dim,g,inertia,Eps);
+ myEpsilon = 1.0;
+ aGauss.Compute(theSurface, theDomain, loc, aCoeff, Standard_True, dim, g, inertia);
}
-Standard_Real BRepGProp_Vinert::Perform(BRepGProp_Face& S, BRepGProp_Domain& D, const Standard_Real Eps){
- Standard_Real Coeff[] = {0., 0., 0.};
- return myEpsilon = Compute(S,D,Standard_True,Coeff,loc,dim,g,inertia,Eps);
-}
+//=======================================================================
+//function :
+//purpose :
+//=======================================================================
+Standard_Real BRepGProp_Vinert::Perform(BRepGProp_Face& theSurface,
+ const gp_Pln& thePlane,
+ const Standard_Real theEps)
+{
+ BRepGProp_Domain anEmptyDomain;
+ return Perform(theSurface, anEmptyDomain, thePlane, theEps);
+}
+
+//=======================================================================
+//function : Perform
+//purpose :
+//=======================================================================
+Standard_Real BRepGProp_Vinert::Perform(BRepGProp_Face& theSurface,
+ BRepGProp_Domain& theDomain,
+ const gp_Pln& thePlane,
+ const Standard_Real theEps)
+{
+ Standard_Real aCoeff[4];
+ thePlane.Coefficients(aCoeff[0], aCoeff[1], aCoeff[2], aCoeff[3]);
+ aCoeff[3] = aCoeff[3] - aCoeff[0] * loc.X()
+ - aCoeff[1] * loc.Y()
+ - aCoeff[2] * loc.Z();
-void BRepGProp_Vinert::Perform(const BRepGProp_Face& S){
- Standard_Real Coeff[] = {0., 0., 0.};
- Compute(S,Standard_True,Coeff,loc,dim,g,inertia);
- myEpsilon = 1.0;
- return;
-}
+ BRepGProp_Gauss aGauss(BRepGProp_Gauss::Vinert);
-void BRepGProp_Vinert::Perform(BRepGProp_Face& S, BRepGProp_Domain& D){
- Standard_Real Coeff[] = {0., 0., 0.};
- Compute(S,D,Standard_True,Coeff,loc,dim,g,inertia);
- myEpsilon = 1.0;
- return;
+ return myEpsilon =
+ aGauss.Compute(theSurface, theDomain, loc, theEps,
+ aCoeff, Standard_False, dim, g, inertia);
}
-Standard_Real BRepGProp_Vinert::Perform(BRepGProp_Face& S, const gp_Pnt& O, const Standard_Real Eps){
- Standard_Real xloc, yloc, zloc;
- loc.Coord(xloc, yloc, zloc);
- Standard_Real Coeff[3];
- O.Coord (Coeff[0], Coeff[1], Coeff[2]);
- Coeff[0] -= xloc; Coeff[1] -= yloc; Coeff[2] -= zloc;
- return myEpsilon = Compute(S,Standard_True,Coeff,loc,dim,g,inertia,Eps);
-}
+//=======================================================================
+//function : Perform
+//purpose :
+//=======================================================================
+void BRepGProp_Vinert::Perform(const BRepGProp_Face& theSurface,
+ const gp_Pln& thePlane)
+{
+ BRepGProp_Gauss aGauss(BRepGProp_Gauss::Vinert);
+ Standard_Real aCoeff[4];
-Standard_Real BRepGProp_Vinert::Perform(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pnt& O, const Standard_Real Eps){
- Standard_Real xloc, yloc, zloc;
- loc.Coord(xloc, yloc, zloc);
- Standard_Real Coeff[3];
- O.Coord (Coeff[0], Coeff[1], Coeff[2]);
- Coeff[0] -= xloc; Coeff[1] -= yloc; Coeff[2] -= zloc;
- return myEpsilon = Compute(S,D,Standard_True,Coeff,loc,dim,g,inertia,Eps);
-}
+ thePlane.Coefficients (aCoeff[0],
+ aCoeff[1],
+ aCoeff[2],
+ aCoeff[3]);
-void BRepGProp_Vinert::Perform(const BRepGProp_Face& S, const gp_Pnt& O){
- Standard_Real xloc, yloc, zloc;
- loc.Coord(xloc, yloc, zloc);
- Standard_Real Coeff[3];
- O.Coord (Coeff[0], Coeff[1], Coeff[2]);
- Coeff[0] -= xloc; Coeff[1] -= yloc; Coeff[2] -= zloc;
- Compute(S,Standard_True,Coeff,loc,dim,g,inertia);
- myEpsilon = 1.0;
- return;
-}
+ aCoeff[3] = aCoeff[3] - aCoeff[0] * loc.X()
+ - aCoeff[1] * loc.Y()
+ - aCoeff[2] * loc.Z();
-void BRepGProp_Vinert::Perform(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pnt& O){
- Standard_Real xloc, yloc, zloc;
- loc.Coord(xloc, yloc, zloc);
- Standard_Real Coeff[3];
- O.Coord (Coeff[0], Coeff[1], Coeff[2]);
- Coeff[0] -= xloc; Coeff[1] -= yloc; Coeff[2] -= zloc;
- Compute(S,D,Standard_True,Coeff,loc,dim,g,inertia);
myEpsilon = 1.0;
- return;
+ aGauss.Compute(theSurface, loc, aCoeff, Standard_False, dim, g, inertia);
}
-Standard_Real BRepGProp_Vinert::Perform(BRepGProp_Face& S, const gp_Pln& Pl, const Standard_Real Eps){
- Standard_Real xloc, yloc, zloc;
- loc.Coord (xloc, yloc, zloc);
- Standard_Real Coeff[4];
- Pl.Coefficients (Coeff[0], Coeff[1],Coeff[2],Coeff[3]);
- Coeff[3] = Coeff[3] - Coeff[0]*xloc - Coeff[1]*yloc - Coeff[2]*zloc;
- return myEpsilon = Compute(S,Standard_False,Coeff,loc,dim,g,inertia,Eps);
-}
+//=======================================================================
+//function : Perform
+//purpose :
+//=======================================================================
+void BRepGProp_Vinert::Perform(BRepGProp_Face& theSurface,
+ BRepGProp_Domain& theDomain,
+ const gp_Pln& thePlane)
+{
+ BRepGProp_Gauss aGauss(BRepGProp_Gauss::Vinert);
+ Standard_Real aCoeff[4];
-Standard_Real BRepGProp_Vinert::Perform(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pln& Pl, const Standard_Real Eps){
- Standard_Real xloc, yloc, zloc;
- loc.Coord (xloc, yloc, zloc);
- Standard_Real Coeff[4];
- Pl.Coefficients (Coeff[0], Coeff[1],Coeff[2],Coeff[3]);
- Coeff[3] = Coeff[3] - Coeff[0]*xloc - Coeff[1]*yloc - Coeff[2]*zloc;
- return myEpsilon = Compute(S,D,Standard_False,Coeff,loc,dim,g,inertia,Eps);
-}
+ thePlane.Coefficients (aCoeff[0],
+ aCoeff[1],
+ aCoeff[2],
+ aCoeff[3]);
-void BRepGProp_Vinert::Perform(const BRepGProp_Face& S, const gp_Pln& Pl){
- Standard_Real xloc, yloc, zloc;
- loc.Coord (xloc, yloc, zloc);
- Standard_Real Coeff[4];
- Pl.Coefficients (Coeff[0], Coeff[1],Coeff[2],Coeff[3]);
- Coeff[3] = Coeff[3] - Coeff[0]*xloc - Coeff[1]*yloc - Coeff[2]*zloc;
- Compute(S,Standard_False,Coeff,loc,dim,g,inertia);
- myEpsilon = 1.0;
- return;
-}
+ aCoeff[3] = aCoeff[3] - aCoeff[0] * loc.X()
+ - aCoeff[1] * loc.Y()
+ - aCoeff[2] * loc.Z();
-void BRepGProp_Vinert::Perform(BRepGProp_Face& S, BRepGProp_Domain& D, const gp_Pln& Pl){
- Standard_Real xloc, yloc, zloc;
- loc.Coord (xloc, yloc, zloc);
- Standard_Real Coeff[4];
- Pl.Coefficients (Coeff[0], Coeff[1],Coeff[2],Coeff[3]);
- Coeff[3] = Coeff[3] - Coeff[0]*xloc - Coeff[1]*yloc - Coeff[2]*zloc;
- Compute(S,D,Standard_False,Coeff,loc,dim,g,inertia);
myEpsilon = 1.0;
- return;
+ aGauss.Compute(theSurface, theDomain, loc, aCoeff, Standard_False, dim, g, inertia);
}
-Standard_Real BRepGProp_Vinert::GetEpsilon(){
+//=======================================================================
+//function : GetEpsilon
+//purpose :
+//=======================================================================
+Standard_Real BRepGProp_Vinert::GetEpsilon()
+{
return myEpsilon;
}