//! Convert 1 OCC edge into 1 BaseGeom (static factory method)
BaseGeom* BaseGeom::baseFactory(TopoDS_Edge edge)
{
BaseGeom* result = NULL;
BRepAdaptor_Curve adapt(edge);
switch(adapt.GetType()) {
case GeomAbs_Circle: {
double f = adapt.FirstParameter();
double l = adapt.LastParameter();
gp_Pnt s = adapt.Value(f);
gp_Pnt e = adapt.Value(l);
if (fabs(l-f) > 1.0 && s.SquareDistance(e) < 0.001) {
Circle *circle = new Circle(edge);
result = circle;
} else {
AOC *aoc = new AOC(edge);
result = aoc;
}
} break;
case GeomAbs_Ellipse: {
double f = adapt.FirstParameter();
double l = adapt.LastParameter();
gp_Pnt s = adapt.Value(f);
gp_Pnt e = adapt.Value(l);
if (fabs(l-f) > 1.0 && s.SquareDistance(e) < 0.001) {
Ellipse *ellipse = new Ellipse(edge);
result = ellipse;
} else {
AOE *aoe = new AOE(edge);
result = aoe;
}
} break;
case GeomAbs_BezierCurve: {
Handle_Geom_BezierCurve bez = adapt.Bezier();
//if (bez->Degree() < 4) {
result = new BezierSegment(edge);
//}
// OCC is quite happy with Degree > 3 but QtGui handles only 2,3
} break;
case GeomAbs_BSplineCurve: {
BSpline *bspline = 0;
Generic* gen = NULL;
try {
bspline = new BSpline(edge);
if (bspline->isLine()) {
gen = new Generic(edge);
result = gen;
delete bspline;
bspline = nullptr;
} else {
result = bspline;
}
break;
}
catch (Standard_Failure) {
if (bspline != nullptr) {
delete bspline;
bspline = nullptr;
}
if (gen != nullptr) {
delete gen;
gen = nullptr;
}
}
}
default: {
Generic *primitive = new Generic(edge);
result = primitive;
} break;
}
return result;
}
//! Convert 1 OCC edge into 1 BaseGeom (static factory method)
BaseGeom* BaseGeom::baseFactory(TopoDS_Edge edge)
{
BaseGeom* result = NULL;
BRepAdaptor_Curve adapt(edge);
switch(adapt.GetType()) {
case GeomAbs_Circle: {
double f = adapt.FirstParameter();
double l = adapt.LastParameter();
gp_Pnt s = adapt.Value(f);
gp_Pnt e = adapt.Value(l);
if (fabs(l-f) > 1.0 && s.SquareDistance(e) < 0.001) {
Circle *circle = new Circle(edge);
//circle->extractType = extractionType;
result = circle;
} else {
AOC *aoc = new AOC(edge);
//aoc->extractType = extractionType;
result = aoc;
}
} break;
case GeomAbs_Ellipse: {
double f = adapt.FirstParameter();
double l = adapt.LastParameter();
gp_Pnt s = adapt.Value(f);
gp_Pnt e = adapt.Value(l);
if (fabs(l-f) > 1.0 && s.SquareDistance(e) < 0.001) {
Ellipse *ellipse = new Ellipse(edge);
//ellipse->extractType = extractionType;
result = ellipse;
} else {
AOE *aoe = new AOE(edge);
//aoe->extractType = extractionType;
result = aoe;
}
} break;
case GeomAbs_BSplineCurve: {
BSpline *bspline = 0;
Generic* gen = NULL;
try {
bspline = new BSpline(edge);
//bspline->extractType = extractionType;
if (bspline->isLine()) {
gen = new Generic(edge);
//gen->extractType = extractionType;
result = gen;
delete bspline;
} else {
result = bspline;
}
break;
}
catch (Standard_Failure) {
delete bspline;
delete gen;
bspline = 0;
// Move onto generating a primitive
}
}
default: {
Generic *primitive = new Generic(edge);
//primitive->extractType = extractionType;
result = primitive;
} break;
}
return result;
}