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0032995: Modeling algorithms - Interface for checking canonical geometry

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GeomConvert_CurveToAnaCurve, GeomConvert_SurfToAnaSurf - geometrical algorithms
for converting geometrical curve and surfaces in canonical geometry with given tolerance.

ShapeAnalysis_CanonicalRecognition - interface for checking canonical geometry.
This commit is contained in:
ifv
2022-05-15 08:04:58 +03:00
committed by smoskvin
parent 7a52478f16
commit b47b075ac5
42 changed files with 4652 additions and 8 deletions
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19
src/gce/gce_MakeCirc.cxx
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@@ -53,7 +53,7 @@ gce_MakeCirc::gce_MakeCirc(const gp_Pnt& P1 ,
//=========================================================================
Standard_Real dist1, dist2, dist3, aResolution;
//
aResolution=gp::Resolution();
aResolution = gp::Resolution();
//
dist1 = P1.Distance(P2);
dist2 = P1.Distance(P3);
@@ -76,7 +76,7 @@ gce_MakeCirc::gce_MakeCirc(const gp_Pnt& P1 ,
P2.Coord(x2,y2,z2);
P3.Coord(x3,y3,z3);
gp_Dir Dir1(x2-x1,y2-y1,z2-z1);
gp_Dir Dir2(x3-x2,y3-y2,z3-z2);
gp_Vec VDir2(x3-x2,y3-y2,z3-z2);
//
gp_Ax1 anAx1(P1, Dir1);
gp_Lin aL12 (anAx1);
@@ -85,14 +85,21 @@ gce_MakeCirc::gce_MakeCirc(const gp_Pnt& P1 ,
return;
}
//
gp_Dir Dir3 = Dir1.Crossed(Dir2);
gp_Vec VDir1(Dir1);
gp_Vec VDir3 = VDir1.Crossed(VDir2);
if(VDir3.SquareMagnitude() < aResolution)
{
TheError = gce_ColinearPoints;
return;
}
//
gp_Dir Dir3(VDir3);
gp_Dir dir = Dir1.Crossed(Dir3);
gp_Lin L1(gp_Pnt((P1.XYZ()+P2.XYZ())/2.),dir);
dir = Dir2.Crossed(Dir3);
dir = VDir2.Crossed(Dir3);
gp_Lin L2(gp_Pnt((P3.XYZ()+P2.XYZ())/2.),dir);
Standard_Real Tol = 0.000000001;
Standard_Real Tol = Precision::PConfusion();
Extrema_ExtElC distmin(L1,L2,Tol);
if (!distmin.IsDone()) {
@@ -139,7 +146,7 @@ gce_MakeCirc::gce_MakeCirc(const gp_Pnt& P1 ,
//Dir2 = gp_Dir(x2-x3,y2-y3,z2-z3);
//modified by NIZNHY-PKV Thu Mar 3 11:31:13 2005t
//
TheCirc = gp_Circ(gp_Ax2(pInt, Dir3, Dir1),(dist1+dist2+dist3)/3.);
TheCirc = gp_Circ(gp_Ax2(pInt, gp_Dir(VDir3), Dir1),(dist1+dist2+dist3)/3.);
TheError = gce_Done;
}
}