本文整理汇总了C++中EntityBase::PointGetExprs方法的典型用法代码示例。如果您正苦于以下问题：C++ EntityBase::PointGetExprs方法的具体用法？C++ EntityBase::PointGetExprs怎么用？C++ EntityBase::PointGetExprs使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类EntityBase的用法示例。
在下文中一共展示了EntityBase::PointGetExprs方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: ssassert
Expr *ConstraintBase::Distance(hEntity wrkpl, hEntity hpa, hEntity hpb) {
EntityBase *pa = SK.GetEntity(hpa);
EntityBase *pb = SK.GetEntity(hpb);
ssassert(pa->IsPoint() && pb->IsPoint(),
"Expected two points to measure projected distance between");
if(wrkpl.v == EntityBase::FREE_IN_3D.v) {
// This is true distance
ExprVector ea, eb, eab;
ea = pa->PointGetExprs();
eb = pb->PointGetExprs();
eab = ea.Minus(eb);
return eab.Magnitude();
} else {
// This is projected distance, in the given workplane.
Expr *au, *av, *bu, *bv;
pa->PointGetExprsInWorkplane(wrkpl, &au, &av);
pb->PointGetExprsInWorkplane(wrkpl, &bu, &bv);
Expr *du = au->Minus(bu);
Expr *dv = av->Minus(bv);
return ((du->Square())->Plus(dv->Square()))->Sqrt();
}
}示例2: return
Expr *ConstraintBase::PointLineDistance(hEntity wrkpl, hEntity hpt, hEntity hln)
{
EntityBase *ln = SK.GetEntity(hln);
EntityBase *a = SK.GetEntity(ln->point[0]);
EntityBase *b = SK.GetEntity(ln->point[1]);
EntityBase *p = SK.GetEntity(hpt);
if(wrkpl.v == EntityBase::FREE_IN_3D.v) {
ExprVector ep = p->PointGetExprs();
ExprVector ea = a->PointGetExprs();
ExprVector eb = b->PointGetExprs();
ExprVector eab = ea.Minus(eb);
Expr *m = eab.Magnitude();
return ((eab.Cross(ea.Minus(ep))).Magnitude())->Div(m);
} else {
Expr *ua, *va, *ub, *vb;
a->PointGetExprsInWorkplane(wrkpl, &ua, &va);
b->PointGetExprsInWorkplane(wrkpl, &ub, &vb);
Expr *du = ua->Minus(ub);
Expr *dv = va->Minus(vb);
Expr *u, *v;
p->PointGetExprsInWorkplane(wrkpl, &u, &v);
Expr *m = ((du->Square())->Plus(dv->Square()))->Sqrt();
Expr *proj = (dv->Times(ua->Minus(u)))->Minus(
(du->Times(va->Minus(v))));
return proj->Div(m);
}
}示例3: GenerateReal
void ConstraintBase::GenerateReal(IdList<Equation,hEquation> *l) const {
Expr *exA = Expr::From(valA);
switch(type) {
case Type::PT_PT_DISTANCE:
AddEq(l, Distance(workplane, ptA, ptB)->Minus(exA), 0);
return;
case Type::PROJ_PT_DISTANCE: {
ExprVector pA = SK.GetEntity(ptA)->PointGetExprs(),
pB = SK.GetEntity(ptB)->PointGetExprs(),
dp = pB.Minus(pA);
ExprVector pp = SK.GetEntity(entityA)->VectorGetExprs();
pp = pp.WithMagnitude(Expr::From(1.0));
AddEq(l, (dp.Dot(pp))->Minus(exA), 0);
return;
}
case Type::PT_LINE_DISTANCE:
AddEq(l,
PointLineDistance(workplane, ptA, entityA)->Minus(exA), 0);
return;
case Type::PT_PLANE_DISTANCE: {
ExprVector pt = SK.GetEntity(ptA)->PointGetExprs();
AddEq(l, (PointPlaneDistance(pt, entityA))->Minus(exA), 0);
return;
}
case Type::PT_FACE_DISTANCE: {
ExprVector pt = SK.GetEntity(ptA)->PointGetExprs();
EntityBase *f = SK.GetEntity(entityA);
ExprVector p0 = f->FaceGetPointExprs();
ExprVector n = f->FaceGetNormalExprs();
AddEq(l, (pt.Minus(p0)).Dot(n)->Minus(exA), 0);
return;
}
case Type::EQUAL_LENGTH_LINES: {
EntityBase *a = SK.GetEntity(entityA);
EntityBase *b = SK.GetEntity(entityB);
AddEq(l, Distance(workplane, a->point[0], a->point[1])->Minus(
Distance(workplane, b->point[0], b->point[1])), 0);
return;
}
// These work on distance squared, since the pt-line distances are
// signed, and we want the absolute value.
case Type::EQ_LEN_PT_LINE_D: {
EntityBase *forLen = SK.GetEntity(entityA);
Expr *d1 = Distance(workplane, forLen->point[0], forLen->point[1]);
Expr *d2 = PointLineDistance(workplane, ptA, entityB);
AddEq(l, (d1->Square())->Minus(d2->Square()), 0);
return;
}
case Type::EQ_PT_LN_DISTANCES: {
Expr *d1 = PointLineDistance(workplane, ptA, entityA);
Expr *d2 = PointLineDistance(workplane, ptB, entityB);
AddEq(l, (d1->Square())->Minus(d2->Square()), 0);
return;
}
case Type::LENGTH_RATIO: {
EntityBase *a = SK.GetEntity(entityA);
EntityBase *b = SK.GetEntity(entityB);
Expr *la = Distance(workplane, a->point[0], a->point[1]);
Expr *lb = Distance(workplane, b->point[0], b->point[1]);
AddEq(l, (la->Div(lb))->Minus(exA), 0);
return;
}
case Type::LENGTH_DIFFERENCE: {
EntityBase *a = SK.GetEntity(entityA);
EntityBase *b = SK.GetEntity(entityB);
Expr *la = Distance(workplane, a->point[0], a->point[1]);
Expr *lb = Distance(workplane, b->point[0], b->point[1]);
AddEq(l, (la->Minus(lb))->Minus(exA), 0);
return;
}
case Type::DIAMETER: {
EntityBase *circle = SK.GetEntity(entityA);
Expr *r = circle->CircleGetRadiusExpr();
AddEq(l, (r->Times(Expr::From(2)))->Minus(exA), 0);
return;
}
case Type::EQUAL_RADIUS: {
EntityBase *c1 = SK.GetEntity(entityA);
EntityBase *c2 = SK.GetEntity(entityB);
AddEq(l, (c1->CircleGetRadiusExpr())->Minus(
c2->CircleGetRadiusExpr()), 0);
return;
}
case Type::EQUAL_LINE_ARC_LEN: {
EntityBase *line = SK.GetEntity(entityA),
*arc = SK.GetEntity(entityB);
//.........这里部分代码省略.........