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This commit is contained in:
Bozo the Builder
2024-08-22 01:43:04 -07:00
parent ae65ce6693
commit 904ef7893c
202 changed files with 1884 additions and 1694 deletions
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43
opennurbs_subd_data.cpp
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@@ -411,7 +411,7 @@ void ON_SubDAggregates::UpdateTopologicalAttributes(
break;
}
R -= B;
// ON_TripleProduct(P, Q, R) = 6x signed volume of tetrahedron with trangle base (P,Q,R) and apex B.
// ON_TripleProduct(P, Q, R) = 6x signed volume of tetrahedron with triangle base (P,Q,R) and apex B.
vol += ON_TripleProduct(P, Q, R);
}
}
@@ -664,7 +664,7 @@ bool ON_SubDVertex::Transform(
// and the corner sector(s) contains interior smooth edges,
// and the transformation changes the angle between a corner sector's crease boundary,
// then the sector's interior smooth edge's m_sector_coefficient[] could change
// and invalidate the subdivison points and limit points.
// and invalidate the subdivision points and limit points.
// This is only possible for uncommon (in practice) transformations
// and corner sectors and will require a fair bit of testing for
// now it's easier to simply set bTransformationSavedSubdivisionPoint to false
@@ -704,7 +704,7 @@ bool ON_SubDVertex::Transform(
// and the corner sector(s) contains interior smooth edges,
// and the transformation changes the angle between a corner sector's crease boundary,
// then the sector's interior smooth edge's m_sector_coefficient[] could change
// and invalidate the subdivison points and limit points.
// and invalidate the subdivision points and limit points.
// This is only possible for uncommon (in practice) transformations
// and corner sectors and will require a fair bit of testing for
// now it's easier to simply set bTransformationSavedSubdivisionPoint to false
@@ -730,7 +730,7 @@ void ON_SubDVertex::UnsetControlNetPoint()
m_P[2] = ON_DBL_QNAN;
ClearSavedSubdivisionPoints();
// With a nan control net point, there is no need for an expensive unset
// of the neighborhod because the caller will either later pass
// of the neighborhood because the caller will either later pass
// bClearNeighborhoodCache=true to ON_SubDVertex::SetControlNetPoint(...,bClearNeighborhoodCache)
// or deal with cleaning up the cached evaluations in some other way.
}
@@ -890,11 +890,16 @@ bool ON_SubDFace::Transform(
)
{
ON_Xform xformNormals{ ON_Xform::IdentityTransformation };
const double det{ xform.GetSurfaceNormalXform(xformNormals) };
const double det{ xform.GetSurfaceNormalXformKeepLengthAndOrientation(xformNormals) };
ON_Xform xformCurvatures{ ON_Xform::IdentityTransformation };
if (abs(det) > ON_EPSILON) {
xformNormals = xformNormals * ON_Xform::ScaleTransformation(ON_3dPoint::Origin, 1. / det);
xformCurvatures = xformCurvatures * ON_Xform::ScaleTransformation(ON_3dPoint::Origin, 1. / det);
if (abs(det) > 0) {
if (abs(abs(det) - 1) > ON_SQRT_EPSILON)
{
xformCurvatures = ON_Xform::DiagonalTransformation(pow(det, -1. / 3.));
}
}
else {
return ON_SUBD_RETURN_ERROR(false);
}
const bool bKeepCurvatures{ xform.IsSimilarity() != 0 };
const bool bKeepTextures{ true };
@@ -949,11 +954,13 @@ bool ON_SubDLevel::Transform(
{
bool rc = true;
ON_Xform xformNormals{ ON_Xform::IdentityTransformation };
const double det{ xform.GetSurfaceNormalXform(xformNormals) };
const double det{ xform.GetSurfaceNormalXformKeepLengthAndOrientation(xformNormals) };
ON_Xform xformCurvatures{ ON_Xform::IdentityTransformation };
if (abs(det) > ON_EPSILON) {
xformNormals = xformNormals * ON_Xform::ScaleTransformation(ON_3dPoint::Origin, 1. / det);
xformCurvatures = xformCurvatures * ON_Xform::ScaleTransformation(ON_3dPoint::Origin, 1. / det);
if (abs(det) > 0) {
if (abs(abs(det) - 1) > ON_SQRT_EPSILON)
{
xformCurvatures = ON_Xform::DiagonalTransformation(pow(det, -1. / 3.));
}
}
else {
rc = false;
@@ -1158,7 +1165,7 @@ bool ON_SubDimple::Transform(
}
else
{
// object moved with respect to symmetry contstraints
// object moved with respect to symmetry constraints
// DO NOTHING HERE - the serial number and hashes on m_symmetry will inform downstream processes
// that the object no longer has the symmetry property specified by m_symmetry.
// It will get updated when appropriate - typically in replace object.
@@ -1198,11 +1205,13 @@ bool ON_SubDMeshFragment::Transform(
)
{
ON_Xform xformNormals{ON_Xform::IdentityTransformation};
const double det{xform.GetSurfaceNormalXform(xformNormals)};
const double det{ xform.GetSurfaceNormalXformKeepLengthAndOrientation(xformNormals) };
ON_Xform xformCurvatures{ON_Xform::IdentityTransformation};
if (abs(det) > ON_EPSILON) {
xformNormals = xformNormals * ON_Xform::ScaleTransformation(ON_3dPoint::Origin, 1. / det);
xformCurvatures = xformCurvatures * ON_Xform::ScaleTransformation(ON_3dPoint::Origin, 1. / det);
if (abs(det) > 0) {
if (abs(abs(det) - 1) > ON_SQRT_EPSILON)
{
xformCurvatures = ON_Xform::DiagonalTransformation(pow(det, -1. / 3.));
}
}
else {
return ON_SUBD_RETURN_ERROR(false);