Merge pull request #13354 from bgbsww/bgbsww-toponamingPD1dependencies

Toponaming/Part transfer in part design dependencies
This commit is contained in:
Chris Hennes
2024-04-12 09:22:09 -05:00
committed by GitHub
18 changed files with 1391 additions and 293 deletions

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@@ -1319,6 +1319,7 @@ template<> PyObject* Part::FeaturePython::getPyObject() {
template class PartExport FeaturePythonT<Part::Feature>;
}
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
std::vector<Part::cutFaces> Part::findAllFacesCutBy(
const TopoDS_Shape& shape, const TopoDS_Shape& face, const gp_Dir& dir)
{
@@ -1359,6 +1360,51 @@ std::vector<Part::cutFaces> Part::findAllFacesCutBy(
return result;
}
std::vector<Part::cutTopoShapeFaces>
Part::findAllFacesCutBy(const TopoShape& shape, const TopoShape& face, const gp_Dir& dir)
{
// Find the centre of gravity of the face
GProp_GProps props;
BRepGProp::SurfaceProperties(face.getShape(), props);
gp_Pnt cog = props.CentreOfMass();
// create a line through the centre of gravity
gp_Lin line = gce_MakeLin(cog, dir);
// Find intersection of line with all faces of the shape
std::vector<cutTopoShapeFaces> result;
BRepIntCurveSurface_Inter mkSection;
// TODO: Less precision than Confusion() should be OK?
for (mkSection.Init(shape.getShape(), line, Precision::Confusion()); mkSection.More();
mkSection.Next()) {
gp_Pnt iPnt = mkSection.Pnt();
double dsq = cog.SquareDistance(iPnt);
if (dsq < Precision::Confusion()) {
continue; // intersection with original face
}
// Find out which side of the original face the intersection is on
gce_MakeDir mkDir(cog, iPnt);
if (!mkDir.IsDone()) {
continue; // some error (appears highly unlikely to happen, though...)
}
if (mkDir.Value().IsOpposite(dir, Precision::Confusion())) {
continue; // wrong side of face (opposite to extrusion direction)
}
cutTopoShapeFaces newF;
newF.face = mkSection.Face();
newF.face.mapSubElement(shape);
newF.distsq = dsq;
result.push_back(newF);
}
return result;
}
bool Part::checkIntersection(const TopoDS_Shape& first, const TopoDS_Shape& second,
const bool quick, const bool touch_is_intersection) {

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@@ -211,14 +211,24 @@ public:
* Find all faces cut by a line through the centre of gravity of a given face
* Useful for the "up to face" options to pocket or pad
*/
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
struct cutFaces {
TopoDS_Face face;
double distsq;
};
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
PartExport
std::vector<cutFaces> findAllFacesCutBy(const TopoDS_Shape& shape,
const TopoDS_Shape& face, const gp_Dir& dir);
struct cutTopoShapeFaces
{
TopoShape face;
double distsq;
};
PartExport std::vector<cutTopoShapeFaces>
findAllFacesCutBy(const TopoShape& shape, const TopoShape& face, const gp_Dir& dir);
/**
* Check for intersection between the two shapes. Only solids are guaranteed to work properly

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@@ -3957,8 +3957,130 @@ TopoShape &TopoShape::makeRefine(const TopoShape &shape, const char *op, RefineF
return *this;
}
// TODO: Does the toponaming branch version of this method need to be here?
bool TopoShape::findPlane(gp_Pln &pln, double tol) const {
#ifdef FC_USE_TNP_FIX
bool TopoShape::findPlane(gp_Pln& pln, double tol, double atol) const
{
if (_Shape.IsNull()) {
return false;
}
if (tol < 0.0) {
tol = Precision::Confusion();
}
if (atol < 0.0) {
atol = Precision::Angular();
}
TopoDS_Shape shape;
if (countSubShapes(TopAbs_EDGE) == 1) {
// To deal with OCCT bug of wrong edge transformation
shape = BRepBuilderAPI_Copy(_Shape).Shape();
}
else {
shape = _Shape;
}
try {
bool found = false;
// BRepLib_FindSurface only really works on edges. We'll deal face first
for (auto& shape : getSubShapes(TopAbs_FACE)) {
gp_Pln plane;
auto face = TopoDS::Face(shape);
BRepAdaptor_Surface adapt(face);
if (adapt.GetType() == GeomAbs_Plane) {
plane = adapt.Plane();
}
else {
TopLoc_Location loc;
Handle(Geom_Surface) surf = BRep_Tool::Surface(face, loc);
GeomLib_IsPlanarSurface check(surf);
if (check.IsPlanar()) {
plane = check.Plan();
}
else {
return false;
}
}
if (!found) {
found = true;
pln = plane;
}
else if (!pln.Position().IsCoplanar(plane.Position(), tol, atol)) {
return false;
}
}
// Check if there is free edges (i.e. edges does not belong to any face)
if (TopExp_Explorer(getShape(), TopAbs_EDGE, TopAbs_FACE).More()) {
// Copy shape to work around OCC transformation bug, that is, if
// edge has transformation, but underlying geometry does not (or the
// other way round), BRepLib_FindSurface returns a plane with the
// wrong transformation
BRepLib_FindSurface finder(BRepBuilderAPI_Copy(shape).Shape(), tol, Standard_True);
if (!finder.Found()) {
return false;
}
pln = GeomAdaptor_Surface(finder.Surface()).Plane();
found = true;
}
// Check for free vertexes
auto vertexes = getSubShapes(TopAbs_VERTEX, TopAbs_EDGE);
if (vertexes.size()) {
if (!found && vertexes.size() > 2) {
BRep_Builder builder;
TopoDS_Compound comp;
builder.MakeCompound(comp);
for (int i = 0, c = (int)vertexes.size() - 1; i < c; ++i) {
builder.Add(comp,
BRepBuilderAPI_MakeEdge(TopoDS::Vertex(vertexes[i]),
TopoDS::Vertex(vertexes[i + 1]))
.Edge());
}
BRepLib_FindSurface finder(comp, tol, Standard_True);
if (!finder.Found()) {
return false;
}
pln = GeomAdaptor_Surface(finder.Surface()).Plane();
return true;
}
double tt = tol * tol;
for (auto& v : vertexes) {
if (pln.SquareDistance(BRep_Tool::Pnt(TopoDS::Vertex(v))) > tt) {
return false;
}
}
}
// To make the returned plane normal more stable, if the shape has any
// face, use the normal of the first face.
if (hasSubShape(TopAbs_FACE)) {
shape = getSubShape(TopAbs_FACE, 1);
BRepAdaptor_Surface adapt(TopoDS::Face(shape));
double u =
adapt.FirstUParameter() + (adapt.LastUParameter() - adapt.FirstUParameter()) / 2.;
double v =
adapt.FirstVParameter() + (adapt.LastVParameter() - adapt.FirstVParameter()) / 2.;
BRepLProp_SLProps prop(adapt, u, v, 2, Precision::Confusion());
if (prop.IsNormalDefined()) {
gp_Pnt pnt;
gp_Vec vec;
// handles the orientation state of the shape
BRepGProp_Face(TopoDS::Face(shape)).Normal(u, v, pnt, vec);
pln = gp_Pln(pnt, gp_Dir(vec));
}
}
return true;
}
catch (Standard_Failure& e) {
// For some reason the above BRepBuilderAPI_Copy failed to copy
// the geometry of some edge, causing exception with message
// BRepAdaptor_Curve::No geometry. However, without the above
// copy, circular edges often have the wrong transformation!
FC_LOG("failed to find surface: " << e.GetMessageString());
return false;
}
}
#else
bool TopoShape::findPlane(gp_Pln &pln, double tol, double atol) const {
if(_Shape.IsNull())
return false;
TopoDS_Shape shape = _Shape;
@@ -4004,6 +4126,7 @@ bool TopoShape::findPlane(gp_Pln &pln, double tol) const {
return false;
}
}
#endif
bool TopoShape::isInfinite() const
{

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@@ -477,7 +477,7 @@ public:
bool analyze(bool runBopCheck, std::ostream&) const;
bool isClosed() const;
bool isCoplanar(const TopoShape& other, double tol = -1) const;
bool findPlane(gp_Pln& plane, double tol = -1) const;
bool findPlane(gp_Pln& plane, double tol = -1, double atol = -1) const;
/// Returns true if the expansion of the shape is infinite, false otherwise
bool isInfinite() const;
/// Checks whether the shape is a planar face
@@ -1153,16 +1153,14 @@ public:
* a self reference so that multiple operations can be carried out
* for the same shape in the same line of code.
*/
// TODO: This code was transferred in Feb 2024 as part of the toponaming project, but appears to be
// unused. It is potentially useful if debugged.
// TopoShape &makeElementPrismUntil(const TopoShape &base,
// const TopoShape& profile,
// const TopoShape& supportFace,
// const TopoShape& upToFace,
// const gp_Dir& direction,
// PrismMode mode,
// Standard_Boolean checkLimits = Standard_True,
// const char *op=nullptr);
TopoShape& makeElementPrismUntil(const TopoShape& base,
const TopoShape& profile,
const TopoShape& supportFace,
const TopoShape& upToFace,
const gp_Dir& direction,
PrismMode mode,
Standard_Boolean checkLimits = Standard_True,
const char* op = nullptr);
/** Make a prism based on this shape that is either depression or protrusion of a profile shape up to a given face
*
@@ -1181,25 +1179,23 @@ public:
*
* @return Return the generated new shape. The TopoShape itself is not modified.
*/
// TODO: This code was transferred in Feb 2024 as part of the toponaming project, but appears to be
// unused. It is potentially useful if debugged.
// TopoShape makeElementPrismUntil(const TopoShape& profile,
// const TopoShape& supportFace,
// const TopoShape& upToFace,
// const gp_Dir& direction,
// PrismMode mode,
// Standard_Boolean checkLimits = Standard_True,
// const char *op=nullptr) const
// {
// return TopoShape(0,Hasher).makeElementPrismUntil(*this,
// profile,
// supportFace,
// upToFace,
// direction,
// mode,
// checkLimits,
// op);
// }
TopoShape makeElementPrismUntil(const TopoShape& profile,
const TopoShape& supportFace,
const TopoShape& upToFace,
const gp_Dir& direction,
PrismMode mode,
Standard_Boolean checkLimits = Standard_True,
const char* op = nullptr) const
{
return TopoShape(0, Hasher).makeElementPrismUntil(*this,
profile,
supportFace,
upToFace,
direction,
mode,
checkLimits,
op);
}
/* Make a shell or solid by sweeping profile wire along a spine

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@@ -4231,192 +4231,191 @@ TopoShape& TopoShape::makeElementPrism(const TopoShape& base, const gp_Vec& vec,
return makeElementShape(mkPrism, base, op);
}
// TODO: This code was transferred in Feb 2024 as part of the toponaming project, but appears to be
// unused. It is potentially useful if debugged.
// TopoShape& TopoShape::makeElementPrismUntil(const TopoShape& _base,
// const TopoShape& profile,
// const TopoShape& supportFace,
// const TopoShape& __uptoface,
// const gp_Dir& direction,
// PrismMode Mode,
// Standard_Boolean checkLimits,
// const char* op)
//{
// if (!op) {
// op = Part::OpCodes::Prism;
// }
//
// BRepFeat_MakePrism PrismMaker;
//
// TopoShape _uptoface(__uptoface);
// if (checkLimits && _uptoface.shapeType(true) == TopAbs_FACE
// && !BRep_Tool::NaturalRestriction(TopoDS::Face(_uptoface.getShape()))) {
// // When using the face with BRepFeat_MakePrism::Perform(const TopoDS_Shape& Until)
// // then the algorithm expects that the 'NaturalRestriction' flag is set in order
// // to work as expected.
// BRep_Builder builder;
// _uptoface = _uptoface.makeElementCopy();
// builder.NaturalRestriction(TopoDS::Face(_uptoface.getShape()), Standard_True);
// }
//
// TopoShape uptoface(_uptoface);
// TopoShape base(_base);
//
// if (base.isNull()) {
// Mode = PrismMode::None;
// base = profile;
// }
//
// // Check whether the face has limits or not. Unlimited faces have no wire
// // Note: Datum planes are always unlimited
// if (checkLimits && uptoface.hasSubShape(TopAbs_WIRE)) {
// TopoDS_Face face = TopoDS::Face(uptoface.getShape());
// bool remove_limits = false;
// // Remove the limits of the upToFace so that the extrusion works even if profile is larger
// // than the upToFace
// for (auto& sketchface : profile.getSubTopoShapes(TopAbs_FACE)) {
// // Get outermost wire of sketch face
// TopoShape outerWire = sketchface.splitWires();
// BRepProj_Projection proj(TopoDS::Wire(outerWire.getShape()), face, direction);
// if (!proj.More() || !proj.Current().Closed()) {
// remove_limits = true;
// break;
// }
// }
//
// // It must also be checked that all projected inner wires of the upToFace
// // lie outside the sketch shape. If this is not the case then the sketch
// // shape is not completely covered by the upToFace. See #0003141
// if (!remove_limits) {
// std::vector<TopoShape> wires;
// uptoface.splitWires(&wires);
// for (auto& w : wires) {
// BRepProj_Projection proj(TopoDS::Wire(w.getShape()),
// profile.getShape(),
// -direction);
// if (proj.More()) {
// remove_limits = true;
// break;
// }
// }
// }
//
// if (remove_limits) {
// // Note: Using an unlimited face every time gives unnecessary failures for concave
// faces TopLoc_Location loc = face.Location(); BRepAdaptor_Surface adapt(face,
// Standard_False);
// // use the placement of the adapter, not of the upToFace
// loc = TopLoc_Location(adapt.Trsf());
// BRepBuilderAPI_MakeFace mkFace(adapt.Surface().Surface(), Precision::Confusion());
// if (!mkFace.IsDone()) {
// remove_limits = false;
// }
// else {
// uptoface.setShape(located(mkFace.Shape(), loc), false);
// }
// }
// }
//
// TopoShape uptofaceCopy = uptoface;
// bool checkBase = false;
// auto retry = [&]() {
// if (!uptoface.isSame(_uptoface)) {
// // retry using the original up to face in case unnecessary failure
// // due to removing the limits
// uptoface = _uptoface;
// return true;
// }
// if ((!_base.isNull() && base.isSame(_base)) || (_base.isNull() && base.isSame(profile))) {
// // It is unclear under exactly what condition extrude up to face
// // can fail. Either the support face or the up to face must be part
// // of the base, or maybe some thing else.
// //
// // To deal with it, we retry again by disregard the supplied base,
// // and use up to face to extrude our own base. Later on, use the
// // supplied base (i.e. _base) to calculate the final shape if the
// // mode is FuseWithBase or CutWithBase.
// checkBase = true;
// uptoface = uptofaceCopy;
// base.makeElementPrism(_uptoface, direction);
// return true;
// }
// return false;
// };
//
// std::vector<TopoShape> srcShapes;
// TopoShape result;
// for (;;) {
// try {
// result = base;
//
// // We do not rely on BRepFeat_MakePrism to perform fuse or cut for
// // us because of its poor support of shape history.
// auto mode = PrismMode::None;
//
// for (auto& face : profile.getSubTopoShapes(
// profile.hasSubShape(TopAbs_FACE) ? TopAbs_FACE : TopAbs_WIRE)) {
// srcShapes.clear();
// if (!profile.isNull() && !result.findShape(profile.getShape())) {
// srcShapes.push_back(profile);
// }
// if (!supportFace.isNull() && !result.findShape(supportFace.getShape())) {
// srcShapes.push_back(supportFace);
// }
//
// // DO NOT include uptoface for element mapping. Because OCCT
// // BRepFeat_MakePrism will report all top extruded face being
// // modified by the uptoface. If there are more than one face in
// // the profile, this will cause unnecessary duplicated element
// // mapped name. And will also disrupte element history tracing
// // back to the profile sketch.
// //
// // if (!uptoface.isNull() && !this->findShape(uptoface.getShape()))
// // srcShapes.push_back(uptoface);
//
// srcShapes.push_back(result);
//
// PrismMaker.Init(result.getShape(),
// face.getShape(),
// TopoDS::Face(supportFace.getShape()),
// direction,
// mode,
// Standard_False);
// mode = PrismMode::FuseWithBase;
//
// PrismMaker.Perform(uptoface.getShape());
//
// if (!PrismMaker.IsDone() || PrismMaker.Shape().IsNull()) {
// FC_THROWM(Base::CADKernelError, "BRepFeat_MakePrism: extrusion failed");
// }
//
// result.makeElementShape(PrismMaker, srcShapes, uptoface, op);
// }
// break;
// }
// catch (Base::Exception&) {
// if (!retry()) {
// throw;
// }
// }
// catch (Standard_Failure&) {
// if (!retry()) {
// throw;
// }
// }
// }
//
// if (!_base.isNull() && Mode != PrismMode::None) {
// if (Mode == PrismMode::FuseWithBase) {
// result.makeElementFuse({_base, result});
// }
// else {
// result.makeElementCut({_base, result});
// }
// }
//
// *this = result;
// return *this;
//}
TopoShape& TopoShape::makeElementPrismUntil(const TopoShape& _base,
const TopoShape& profile,
const TopoShape& supportFace,
const TopoShape& __uptoface,
const gp_Dir& direction,
PrismMode Mode,
Standard_Boolean checkLimits,
const char* op)
{
if (!op) {
op = Part::OpCodes::Prism;
}
BRepFeat_MakePrism PrismMaker;
TopoShape _uptoface(__uptoface);
if (checkLimits && _uptoface.shapeType(true) == TopAbs_FACE
&& !BRep_Tool::NaturalRestriction(TopoDS::Face(_uptoface.getShape()))) {
// When using the face with BRepFeat_MakePrism::Perform(const TopoDS_Shape& Until)
// then the algorithm expects that the 'NaturalRestriction' flag is set in order
// to work as expected.
BRep_Builder builder;
_uptoface = _uptoface.makeElementCopy();
builder.NaturalRestriction(TopoDS::Face(_uptoface.getShape()), Standard_True);
}
TopoShape uptoface(_uptoface);
TopoShape base(_base);
if (base.isNull()) {
Mode = PrismMode::None;
base = profile;
}
// Check whether the face has limits or not. Unlimited faces have no wire
// Note: Datum planes are always unlimited
if (checkLimits && uptoface.hasSubShape(TopAbs_WIRE)) {
TopoDS_Face face = TopoDS::Face(uptoface.getShape());
bool remove_limits = false;
// Remove the limits of the upToFace so that the extrusion works even if profile is larger
// than the upToFace
for (auto& sketchface : profile.getSubTopoShapes(TopAbs_FACE)) {
// Get outermost wire of sketch face
TopoShape outerWire = sketchface.splitWires();
BRepProj_Projection proj(TopoDS::Wire(outerWire.getShape()), face, direction);
if (!proj.More() || !proj.Current().Closed()) {
remove_limits = true;
break;
}
}
// It must also be checked that all projected inner wires of the upToFace
// lie outside the sketch shape. If this is not the case then the sketch
// shape is not completely covered by the upToFace. See #0003141
if (!remove_limits) {
std::vector<TopoShape> wires;
uptoface.splitWires(&wires);
for (auto& w : wires) {
BRepProj_Projection proj(TopoDS::Wire(w.getShape()),
profile.getShape(),
-direction);
if (proj.More()) {
remove_limits = true;
break;
}
}
}
if (remove_limits) {
// Note: Using an unlimited face every time gives unnecessary failures for concave
// faces
TopLoc_Location loc = face.Location();
BRepAdaptor_Surface adapt(face, Standard_False);
// use the placement of the adapter, not of the upToFace
loc = TopLoc_Location(adapt.Trsf());
BRepBuilderAPI_MakeFace mkFace(adapt.Surface().Surface(), Precision::Confusion());
if (!mkFace.IsDone()) {
remove_limits = false;
}
else {
uptoface.setShape(located(mkFace.Shape(), loc), false);
}
}
}
TopoShape uptofaceCopy = uptoface;
bool checkBase = false;
auto retry = [&]() {
if (!uptoface.isSame(_uptoface)) {
// retry using the original up to face in case unnecessary failure
// due to removing the limits
uptoface = _uptoface;
return true;
}
if ((!_base.isNull() && base.isSame(_base)) || (_base.isNull() && base.isSame(profile))) {
// It is unclear under exactly what condition extrude up to face
// can fail. Either the support face or the up to face must be part
// of the base, or maybe some thing else.
//
// To deal with it, we retry again by disregard the supplied base,
// and use up to face to extrude our own base. Later on, use the
// supplied base (i.e. _base) to calculate the final shape if the
// mode is FuseWithBase or CutWithBase.
checkBase = true;
uptoface = uptofaceCopy;
base.makeElementPrism(_uptoface, direction);
return true;
}
return false;
};
std::vector<TopoShape> srcShapes;
TopoShape result;
for (;;) {
try {
result = base;
// We do not rely on BRepFeat_MakePrism to perform fuse or cut for
// us because of its poor support of shape history.
auto mode = PrismMode::None;
for (auto& face : profile.getSubTopoShapes(
profile.hasSubShape(TopAbs_FACE) ? TopAbs_FACE : TopAbs_WIRE)) {
srcShapes.clear();
if (!profile.isNull() && !result.findShape(profile.getShape())) {
srcShapes.push_back(profile);
}
if (!supportFace.isNull() && !result.findShape(supportFace.getShape())) {
srcShapes.push_back(supportFace);
}
// DO NOT include uptoface for element mapping. Because OCCT
// BRepFeat_MakePrism will report all top extruded face being
// modified by the uptoface. If there are more than one face in
// the profile, this will cause unnecessary duplicated element
// mapped name. And will also disrupte element history tracing
// back to the profile sketch.
//
// if (!uptoface.isNull() && !this->findShape(uptoface.getShape()))
// srcShapes.push_back(uptoface);
srcShapes.push_back(result);
PrismMaker.Init(result.getShape(),
face.getShape(),
TopoDS::Face(supportFace.getShape()),
direction,
mode,
Standard_False);
mode = PrismMode::FuseWithBase;
PrismMaker.Perform(uptoface.getShape());
if (!PrismMaker.IsDone() || PrismMaker.Shape().IsNull()) {
FC_THROWM(Base::CADKernelError, "BRepFeat_MakePrism: extrusion failed");
}
result.makeElementShape(PrismMaker, srcShapes, uptoface, op);
}
break;
}
catch (Base::Exception&) {
if (!retry()) {
throw;
}
}
catch (Standard_Failure&) {
if (!retry()) {
throw;
}
}
}
if (!_base.isNull() && Mode != PrismMode::None) {
if (Mode == PrismMode::FuseWithBase) {
result.makeElementFuse({_base, result});
}
else {
result.makeElementCut({_base, result});
}
}
*this = result;
return *this;
}
TopoShape& TopoShape::makeElementRevolve(const TopoShape& _base,
const gp_Ax1& axis,

View File

@@ -87,6 +87,7 @@ short Feature::mustExecute() const
return Part::Feature::mustExecute();
}
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
TopoDS_Shape Feature::getSolid(const TopoDS_Shape& shape)
{
if (shape.IsNull())
@@ -100,6 +101,16 @@ TopoDS_Shape Feature::getSolid(const TopoDS_Shape& shape)
return {};
}
TopoShape Feature::getSolid(const TopoShape& shape)
{
if (shape.isNull()) {
throw Part::NullShapeException("Null shape");
}
auto res = shape.getSubTopoShape(TopAbs_SOLID, 1);
res.fixSolidOrientation();
return res;
}
int Feature::countSolids(const TopoDS_Shape& shape, TopAbs_ShapeEnum type)
{
int result = 0;
@@ -176,29 +187,40 @@ const TopoDS_Shape& Feature::getBaseShape() const {
return result;
}
Part::TopoShape Feature::getBaseTopoShape(bool silent) const {
Part::TopoShape Feature::getBaseTopoShape(bool silent) const
{
Part::TopoShape result;
const Part::Feature* BaseObject = getBaseObject(silent);
if (!BaseObject)
if (!BaseObject) {
return result;
}
if(BaseObject != BaseFeature.getValue()) {
if (BaseObject->isDerivedFrom(PartDesign::ShapeBinder::getClassTypeId()) ||
BaseObject->isDerivedFrom(PartDesign::SubShapeBinder::getClassTypeId()))
{
if(silent)
if (BaseObject != BaseFeature.getValue()) {
auto body = getFeatureBody();
if (!body) {
if (silent) {
return result;
}
throw Base::RuntimeError("Missing container body");
}
if (BaseObject->isDerivedFrom(PartDesign::ShapeBinder::getClassTypeId())
|| BaseObject->isDerivedFrom(PartDesign::SubShapeBinder::getClassTypeId())) {
if (silent) {
return result;
}
throw Base::ValueError("Base shape of shape binder cannot be used");
}
}
result = BaseObject->Shape.getShape();
if(!silent) {
if (result.isNull())
if (!silent) {
if (result.isNull()) {
throw Base::ValueError("Base feature's TopoShape is invalid");
if (!result.hasSubShape(TopAbs_SOLID))
}
if (!result.hasSubShape(TopAbs_SOLID)) {
throw Base::ValueError("Base feature's shape is not a solid");
}
}
return result;
}
@@ -231,6 +253,7 @@ gp_Pln Feature::makePlnFromPlane(const App::DocumentObject* obj)
return gp_Pln(gp_Pnt(pos.x,pos.y,pos.z), gp_Dir(normal.x,normal.y,normal.z));
}
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
TopoDS_Shape Feature::makeShapeFromPlane(const App::DocumentObject* obj)
{
BRepBuilderAPI_MakeFace builder(makePlnFromPlane(obj));
@@ -240,6 +263,16 @@ TopoDS_Shape Feature::makeShapeFromPlane(const App::DocumentObject* obj)
return builder.Shape();
}
TopoShape Feature::makeTopoShapeFromPlane(const App::DocumentObject* obj)
{
BRepBuilderAPI_MakeFace builder(makePlnFromPlane(obj));
if (!builder.IsDone()) {
throw Base::CADKernelError("Feature: Could not create shape from base plane");
}
return TopoShape(obj->getID(), nullptr, builder.Shape());
}
Body* Feature::getFeatureBody() const {
auto body = Base::freecad_dynamic_cast<Body>(_Body.getValue());

View File

@@ -94,14 +94,18 @@ protected:
/**
* Get a solid of the given shape. If no solid is found an exception is raised.
*/
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
static TopoDS_Shape getSolid(const TopoDS_Shape&);
static int countSolids(const TopoDS_Shape&, TopAbs_ShapeEnum type = TopAbs_SOLID );
TopoShape getSolid(const TopoShape&);
static int countSolids(const TopoDS_Shape&, TopAbs_ShapeEnum type = TopAbs_SOLID);
/// Grab any point from the given face
static const gp_Pnt getPointFromFace(const TopoDS_Face& f);
/// Make a shape from a base plane (convenience method)
static gp_Pln makePlnFromPlane(const App::DocumentObject* obj);
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
static TopoDS_Shape makeShapeFromPlane(const App::DocumentObject* obj);
static TopoShape makeTopoShapeFromPlane(const App::DocumentObject* obj);
};
using FeaturePython = App::FeaturePythonT<Feature>;

View File

@@ -64,6 +64,7 @@ short FeatureAddSub::mustExecute() const
return PartDesign::Feature::mustExecute();
}
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
TopoDS_Shape FeatureAddSub::refineShapeIfActive(const TopoDS_Shape& oldShape) const
{
if (this->Refine.getValue()) {
@@ -83,6 +84,16 @@ TopoDS_Shape FeatureAddSub::refineShapeIfActive(const TopoDS_Shape& oldShape) co
return oldShape;
}
TopoShape FeatureAddSub::refineShapeIfActive(const TopoShape& oldShape) const
{
if (this->Refine.getValue()) {
TopoShape shape(oldShape);
// this->fixShape(shape); // Todo: Not clear that this is required
return shape.makeElementRefine();
}
return oldShape;
}
void FeatureAddSub::getAddSubShape(Part::TopoShape &addShape, Part::TopoShape &subShape)
{
if (addSubType == Additive)

View File

@@ -54,7 +54,9 @@ public:
protected:
Type addSubType{Additive};
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
TopoDS_Shape refineShapeIfActive(const TopoDS_Shape&) const;
TopoShape refineShapeIfActive(const TopoShape&) const;
};
using FeatureAddSubPython = App::FeaturePythonT<FeatureAddSub>;

View File

@@ -1,3 +1,4 @@
/***************************************************************************
* Copyright (c) 2020 Werner Mayer <wmayer[at]users.sourceforge.net> *
* *
@@ -38,9 +39,12 @@
#include <App/Document.h>
#include <Base/Tools.h>
#include <Mod/Part/App/ExtrusionHelper.h>
#include "Mod/Part/App/TopoShapeOpCode.h"
#include "FeatureExtrude.h"
FC_LOG_LEVEL_INIT("PartDesign", true, true)
using namespace PartDesign;
PROPERTY_SOURCE(PartDesign::FeatureExtrude, PartDesign::ProfileBased)
@@ -126,6 +130,7 @@ bool FeatureExtrude::hasTaperedAngle() const
fabs(TaperAngle2.getValue()) > Base::toRadians(Precision::Angular());
}
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
void FeatureExtrude::generatePrism(TopoDS_Shape& prism,
const TopoDS_Shape& sketchshape,
const std::string& method,
@@ -246,6 +251,72 @@ void FeatureExtrude::generatePrism(TopoDS_Shape& prism,
}
}
void FeatureExtrude::generatePrism(TopoShape& prism,
TopoShape sketchTopoShape,
const std::string& method,
const gp_Dir& dir,
const double L,
const double L2,
const bool midplane,
const bool reversed)
{
auto sketchShape = sketchTopoShape.getShape();
if (method == "Length" || method == "TwoLengths" || method == "ThroughAll") {
double Ltotal = L;
double Loffset = 0.;
if (method == "ThroughAll") {
Ltotal = getThroughAllLength();
}
if (method == "TwoLengths") {
// midplane makes no sense here
Ltotal += L2;
if (reversed) {
Loffset = -L;
}
else if (midplane) {
Loffset = -0.5 * (L2 + L);
}
else {
Loffset = -L2;
}
}
else if (midplane) {
Loffset = -Ltotal / 2;
}
if (method == "TwoLengths" || midplane) {
gp_Trsf mov;
mov.SetTranslation(Loffset * gp_Vec(dir));
TopLoc_Location loc(mov);
sketchTopoShape.move(loc);
}
else if (reversed) {
Ltotal *= -1.0;
}
// Without taper angle we create a prism because its shells are in every case no B-splines
// and can therefore be use as support for further features like Pads, Lofts etc. B-spline
// shells can break certain features, see e.g.
// https://forum.freecad.org/viewtopic.php?p=560785#p560785 It is better not to use
// BRepFeat_MakePrism here even if we have a support because the resulting shape creates
// problems with Pocket
try {
prism.makeElementPrism(sketchTopoShape, Ltotal * gp_Vec(dir)); // finite prism
}
catch (Standard_Failure&) {
throw Base::RuntimeError("FeatureExtrusion: Length: Could not extrude the sketch!");
}
}
else {
std::stringstream str;
str << "FeatureExtrusion: Internal error: Unknown method '" << method
<< "' for generatePrism()";
throw Base::RuntimeError(str.str());
}
}
void FeatureExtrude::generateTaperedPrism(TopoDS_Shape& prism,
const TopoDS_Shape& sketchshape,
const std::string& method,
@@ -349,3 +420,335 @@ void FeatureExtrude::updateProperties(const std::string &method)
Reversed.setReadOnly(!isReversedEnabled);
UpToFace.setReadOnly(!isUpToFaceEnabled);
}
void FeatureExtrude::setupObject()
{
ProfileBased::setupObject();
}
App::DocumentObjectExecReturn* FeatureExtrude::buildExtrusion(ExtrudeOptions options)
{
bool makeface = options.testFlag(ExtrudeOption::MakeFace);
bool fuse = options.testFlag(ExtrudeOption::MakeFuse);
bool legacyPocket = options.testFlag(ExtrudeOption::LegacyPocket);
bool inverseDirection = options.testFlag(ExtrudeOption::InverseDirection);
std::string method(Type.getValueAsString());
// Validate parameters
double L = Length.getValue();
if ((method == "Length") && (L < Precision::Confusion())) {
return new App::DocumentObjectExecReturn(
QT_TRANSLATE_NOOP("Exception", "Length too small"));
}
double L2 = 0;
if ((method == "TwoLengths")) {
L2 = Length2.getValue();
if (std::abs(L2) < Precision::Confusion()) {
return new App::DocumentObjectExecReturn(
QT_TRANSLATE_NOOP("Exception", "Second length too small"));
}
}
Part::Feature* obj = nullptr;
TopoShape sketchshape;
try {
obj = getVerifiedObject();
if (makeface) {
sketchshape = getTopoShapeVerifiedFace();
}
else {
std::vector<TopoShape> shapes;
bool hasEdges = false;
auto subs = Profile.getSubValues(false);
if (subs.empty()) {
subs.emplace_back("");
}
bool failed = false;
for (auto& sub : subs) {
if (sub.empty() && subs.size() > 1) {
continue;
}
TopoShape shape = Part::Feature::getTopoShape(obj, sub.c_str(), true);
if (shape.isNull()) {
FC_ERR(getFullName()
<< ": failed to get profile shape " << obj->getFullName() << "." << sub);
failed = true;
}
hasEdges = hasEdges || shape.hasSubShape(TopAbs_EDGE);
shapes.push_back(shape);
}
if (failed) {
return new App::DocumentObjectExecReturn(
QT_TRANSLATE_NOOP("Exception", "Failed to obtain profile shape"));
}
if (hasEdges) {
sketchshape.makeElementWires(shapes);
}
else {
sketchshape.makeElementCompound(
shapes,
nullptr,
TopoShape::SingleShapeCompoundCreationPolicy::returnShape);
}
}
}
catch (const Base::Exception& e) {
return new App::DocumentObjectExecReturn(e.what());
}
catch (const Standard_Failure& e) {
return new App::DocumentObjectExecReturn(e.GetMessageString());
}
// if the Base property has a valid shape, fuse the prism into it
TopoShape base = getBaseTopoShape(true);
// get the normal vector of the sketch
Base::Vector3d SketchVector = getProfileNormal();
try {
this->positionByPrevious();
auto invObjLoc = getLocation().Inverted();
auto invTrsf = invObjLoc.Transformation();
base.move(invObjLoc);
Base::Vector3d paddingDirection = computeDirection(SketchVector);
// create vector in padding direction with length 1
gp_Dir dir(paddingDirection.x, paddingDirection.y, paddingDirection.z);
// The length of a gp_Dir is 1 so the resulting pad would have
// the length L in the direction of dir. But we want to have its height in the
// direction of the normal vector.
// Therefore we must multiply L by the factor that is necessary
// to make dir as long that its projection to the SketchVector
// equals the SketchVector.
// This is the scalar product of both vectors.
// Since the pad length cannot be negative, the factor must not be negative.
double factor = fabs(dir * gp_Dir(SketchVector.x, SketchVector.y, SketchVector.z));
// factor would be zero if vectors are orthogonal
if (factor < Precision::Confusion()) {
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP(
"Exception",
"Creation failed because direction is orthogonal to sketch's normal vector"));
}
// perform the length correction if not along custom vector
if (AlongSketchNormal.getValue()) {
L = L / factor;
L2 = L2 / factor;
}
// explicitly set the Direction so that the dialog shows also the used direction
// if the sketch's normal vector was used
Direction.setValue(paddingDirection);
dir.Transform(invTrsf);
if (sketchshape.isNull()) {
return new App::DocumentObjectExecReturn(
QT_TRANSLATE_NOOP("Exception", "Creating a face from sketch failed"));
}
sketchshape.move(invObjLoc);
TopoShape prism(0);
if (method == "UpToFirst" || method == "UpToLast" || method == "UpToFace") {
// Note: This will return an unlimited planar face if support is a datum plane
TopoShape supportface = getTopoShapeSupportFace();
supportface.move(invObjLoc);
if (Reversed.getValue()) {
dir.Reverse();
}
// Find a valid face or datum plane to extrude up to
TopoShape upToFace;
if (method != "UpToShape") {
if (method == "UpToFace") {
getUpToFaceFromLinkSub(upToFace, UpToFace);
upToFace.move(invObjLoc);
}
getUpToFace(upToFace, base, supportface, sketchshape, method, dir);
addOffsetToFace(upToFace, dir, Offset.getValue());
}
if (!supportface.hasSubShape(TopAbs_WIRE)) {
supportface = TopoShape();
}
if (legacyPocket) {
auto mode =
base.isNull() ? TopoShape::PrismMode::None : TopoShape::PrismMode::CutFromBase;
prism = base.makeElementPrismUntil(sketchshape,
supportface,
upToFace,
dir,
mode,
false /*CheckUpToFaceLimits.getValue()*/);
// DO NOT assign id to the generated prism, because this prism is
// actually the final result. We obtain the subtracted shape by cut
// this prism with the original base. Assigning a minus self id here
// will mess up with preselection highlight. It is enough to re-tag
// the profile shape above.
//
// prism.Tag = -this->getID();
// And the really expensive way to get the SubShape...
try {
TopoShape result(0);
if (base.isNull()) {
result = prism;
}
else {
result.makeElementCut({base, prism});
}
result = refineShapeIfActive(result);
this->AddSubShape.setValue(result);
}
catch (Standard_Failure&) {
return new App::DocumentObjectExecReturn(
QT_TRANSLATE_NOOP("Exception", "Up to face: Could not get SubShape!"));
}
if (getAddSubType() == Additive) {
prism = base.makeElementFuse(this->AddSubShape.getShape());
}
else {
prism = refineShapeIfActive(prism);
}
this->Shape.setValue(getSolid(prism));
return App::DocumentObject::StdReturn;
}
prism.makeElementPrismUntil(base,
sketchshape,
supportface,
upToFace,
dir,
TopoShape::PrismMode::None,
true /*CheckUpToFaceLimits.getValue()*/);
}
else {
Part::ExtrusionParameters params;
params.dir = dir;
params.solid = makeface;
params.taperAngleFwd = this->TaperAngle.getValue() * M_PI / 180.0;
params.taperAngleRev = this->TaperAngle2.getValue() * M_PI / 180.0;
if (L2 == 0.0 && Midplane.getValue()) {
params.lengthFwd = L / 2;
params.lengthRev = L / 2;
if (params.taperAngleRev == 0.0) {
params.taperAngleRev = params.taperAngleFwd;
}
}
else {
params.lengthFwd = L;
params.lengthRev = L2;
}
if (std::fabs(params.taperAngleFwd) >= Precision::Angular()
|| std::fabs(params.taperAngleRev) >= Precision::Angular()) {
if (fabs(params.taperAngleFwd) > M_PI * 0.5 - Precision::Angular()
|| fabs(params.taperAngleRev) > M_PI * 0.5 - Precision::Angular()) {
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP(
"Exception",
"Magnitude of taper angle matches or exceeds 90 degrees"));
}
if (Reversed.getValue()) {
params.dir.Reverse();
}
std::vector<TopoShape> drafts;
Part::ExtrusionHelper::makeElementDraft(params, sketchshape, drafts);
if (drafts.empty()) {
return new App::DocumentObjectExecReturn(
QT_TRANSLATE_NOOP("Exception", "Padding with draft angle failed"));
}
prism.makeElementCompound(
drafts,
nullptr,
TopoShape::SingleShapeCompoundCreationPolicy::returnShape);
}
else {
generatePrism(prism,
sketchshape,
method,
dir,
L,
L2,
Midplane.getValue(),
Reversed.getValue());
}
}
// set the additive shape property for later usage in e.g. pattern
prism = refineShapeIfActive(prism);
this->AddSubShape.setValue(prism);
if (!base.isNull() && fuse) {
prism.Tag = -this->getID();
// Let's call algorithm computing a fuse operation:
TopoShape result(0);
try {
const char* maker;
switch (getAddSubType()) {
case Subtractive:
maker = Part::OpCodes::Cut;
break;
default:
maker = Part::OpCodes::Fuse;
}
result.makeElementBoolean(maker, {base, prism});
}
catch (Standard_Failure&) {
return new App::DocumentObjectExecReturn(
QT_TRANSLATE_NOOP("Exception", "Fusion with base feature failed"));
}
// we have to get the solids (fuse sometimes creates compounds)
auto solRes = this->getSolid(result);
// lets check if the result is a solid
if (solRes.isNull()) {
return new App::DocumentObjectExecReturn(
QT_TRANSLATE_NOOP("Exception", "Resulting shape is not a solid"));
}
solRes = refineShapeIfActive(solRes);
this->Shape.setValue(getSolid(solRes));
}
else if (prism.hasSubShape(TopAbs_SOLID)) {
if (prism.countSubShapes(TopAbs_SOLID) > 1) {
prism.makeElementFuse(prism.getSubTopoShapes(TopAbs_SOLID));
}
prism = refineShapeIfActive(prism);
this->Shape.setValue(getSolid(prism));
}
else {
prism = refineShapeIfActive(prism);
this->Shape.setValue(prism);
}
// eventually disable some settings that are not valid for the current method
updateProperties(method);
return App::DocumentObject::StdReturn;
}
catch (Standard_Failure& e) {
if (std::string(e.GetMessageString()) == "TopoDS::Face") {
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP(
"Exception",
"Could not create face from sketch.\n"
"Intersecting sketch entities or multiple faces in a sketch are not allowed."));
}
else {
return new App::DocumentObjectExecReturn(e.GetMessageString());
}
}
catch (Base::Exception& e) {
return new App::DocumentObjectExecReturn(e.what());
}
}

View File

@@ -60,12 +60,26 @@ public:
/** @name methods override feature */
//@{
short mustExecute() const override;
void setupObject() override;
//@}
protected:
Base::Vector3d computeDirection(const Base::Vector3d& sketchVector);
bool hasTaperedAngle() const;
/// Options for buildExtrusion()
enum class ExtrudeOption
{
MakeFace = 1,
MakeFuse = 2,
LegacyPocket = 4,
InverseDirection = 8,
};
using ExtrudeOptions = Base::Flags<ExtrudeOption>;
App::DocumentObjectExecReturn* buildExtrusion(ExtrudeOptions options);
/**
* Generates an extrusion of the input sketchshape and stores it in the given \a prism
*/
@@ -78,6 +92,15 @@ protected:
const bool midplane,
const bool reversed);
void generatePrism(TopoShape& prism,
TopoShape sketchshape,
const std::string& method,
const gp_Dir& direction,
const double L,
const double L2,
const bool midplane,
const bool reversed);
// See BRepFeat_MakePrism
enum PrismMode {
CutFromBase = 0,
@@ -120,5 +143,6 @@ protected:
} //namespace PartDesign
ENABLE_BITMASK_OPERATORS(PartDesign::FeatureExtrude::ExtrudeOption)
#endif // PARTDESIGN_FEATURE_EXTRUDE_H

View File

@@ -67,6 +67,13 @@ Pad::Pad()
Length2.setConstraints(nullptr);
}
#ifdef FC_USE_TNP_FIX
App::DocumentObjectExecReturn* Pad::execute()
{
return buildExtrusion(ExtrudeOption::MakeFace | ExtrudeOption::MakeFuse);
}
#else
App::DocumentObjectExecReturn *Pad::execute()
{
double L = Length.getValue();
@@ -262,3 +269,4 @@ App::DocumentObjectExecReturn *Pad::execute()
}
}
#endif

View File

@@ -45,6 +45,7 @@
#include "FeaturePrimitive.h"
#include "FeaturePy.h"
#include "Mod/Part/App/TopoShapeOpCode.h"
using namespace PartDesign;
@@ -65,19 +66,34 @@ FeaturePrimitive::FeaturePrimitive()
Part::AttachExtension::initExtension(this);
}
App::DocumentObjectExecReturn* FeaturePrimitive::execute(const TopoDS_Shape& primitiveShape)
App::DocumentObjectExecReturn* FeaturePrimitive::execute(const TopoDS_Shape& primitive)
{
try {
//transform the primitive in the correct coordinance
FeatureAddSub::execute();
//if we have no base we just add the standard primitive shape
#ifdef FC_USE_TNP_FIX
TopoShape primitiveShape;
primitiveShape.setShape(primitive);
TopoShape base;
try {
// if we have a base shape we need to make sure that it does not get our transformation
// to
base = getBaseTopoShape().moved(getLocation().Inverted());
primitiveShape.Tag = -this->getID();
}
#else
auto primitiveShape = primitive;
TopoDS_Shape base;
try {
//if we have a base shape we need to make sure that it does not get our transformation to
BRepBuilderAPI_Transform trsf(getBaseShape(), getLocation().Transformation().Inverted(), true);
base = trsf.Shape();
}
#endif
catch (const Base::Exception&) {
//as we use this for preview we can add it even if useless for subtractive
@@ -90,14 +106,45 @@ App::DocumentObjectExecReturn* FeaturePrimitive::execute(const TopoDS_Shape& pri
return App::DocumentObject::StdReturn;
}
#ifdef FC_USE_TNP_FIX
AddSubShape.setValue(primitiveShape);
TopoShape boolOp(0);
const char* maker;
switch (getAddSubType()) {
case Additive:
maker = Part::OpCodes::Fuse;
break;
case Subtractive:
maker = Part::OpCodes::Cut;
break;
default:
return new App::DocumentObjectExecReturn(
QT_TRANSLATE_NOOP("Exception", "Unknown operation type"));
}
try {
boolOp.makeElementBoolean(maker, {base, primitiveShape});
}
catch (Standard_Failure& e) {
return new App::DocumentObjectExecReturn(
QT_TRANSLATE_NOOP("Exception", "Failed to perform boolean operation"));
}
boolOp = this->getSolid(boolOp);
// lets check if the result is a solid
if (boolOp.isNull()) {
return new App::DocumentObjectExecReturn(
QT_TRANSLATE_NOOP("Exception", "Resulting shape is not a solid"));
}
#else
TopoDS_Shape boolOp;
if (getAddSubType() == FeatureAddSub::Additive) {
BRepAlgoAPI_Fuse mkFuse(base, primitiveShape);
if (!mkFuse.IsDone())
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP("Exception", "Adding the primitive failed"));
// we have to get the solids (fuse sometimes creates compounds)
TopoDS_Shape boolOp = this->getSolid(mkFuse.Shape());
boolOp = this->getSolid(mkFuse.Shape());
// lets check if the result is a solid
if (boolOp.IsNull())
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP("Exception", "Resulting shape is not a solid"));
@@ -106,10 +153,6 @@ App::DocumentObjectExecReturn* FeaturePrimitive::execute(const TopoDS_Shape& pri
if (solidCount > 1) {
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP("Exception", "Result has multiple solids: that is not currently supported."));
}
boolOp = refineShapeIfActive(boolOp);
Shape.setValue(getSolid(boolOp));
AddSubShape.setValue(primitiveShape);
}
else if (getAddSubType() == FeatureAddSub::Subtractive) {
@@ -117,7 +160,7 @@ App::DocumentObjectExecReturn* FeaturePrimitive::execute(const TopoDS_Shape& pri
if (!mkCut.IsDone())
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP("Exception", "Subtracting the primitive failed"));
// we have to get the solids (fuse sometimes creates compounds)
TopoDS_Shape boolOp = this->getSolid(mkCut.Shape());
boolOp = this->getSolid(mkCut.Shape());
// lets check if the result is a solid
if (boolOp.IsNull())
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP("Exception", "Resulting shape is not a solid"));
@@ -126,13 +169,11 @@ App::DocumentObjectExecReturn* FeaturePrimitive::execute(const TopoDS_Shape& pri
if (solidCount > 1) {
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP("Exception", "Result has multiple solids: that is not currently supported."));
}
boolOp = refineShapeIfActive(boolOp);
Shape.setValue(getSolid(boolOp));
AddSubShape.setValue(primitiveShape);
}
#endif
boolOp = refineShapeIfActive(boolOp);
Shape.setValue(getSolid(boolOp));
AddSubShape.setValue(primitiveShape);
}
catch (Standard_Failure& e) {

View File

@@ -62,6 +62,8 @@
#include "DatumPlane.h"
FC_LOG_LEVEL_INIT("PartDesign",true,true);
using namespace PartDesign;
PROPERTY_SOURCE(PartDesign::ProfileBased, PartDesign::FeatureAddSub)
@@ -163,6 +165,29 @@ Part::Feature* ProfileBased::getVerifiedObject(bool silent) const {
return static_cast<Part::Feature*>(result);
}
#ifdef FC_USE_TNP_FIX
TopoShape ProfileBased::getProfileShape() const
{
TopoShape shape;
const auto& subs = Profile.getSubValues();
auto profile = Profile.getValue();
if (subs.empty()) {
shape = Part::Feature::getTopoShape(profile);
}
else {
std::vector<TopoShape> shapes;
for (auto& sub : subs) {
shapes.push_back(
Part::Feature::getTopoShape(profile, sub.c_str(), /* needSubElement */ true));
}
shape = TopoShape(shape.Tag).makeElementCompound(shapes);
}
if (shape.isNull()) {
throw Part::NullShapeException("Linked shape object is empty");
}
return shape;
}
#else
Part::TopoShape ProfileBased::getProfileShape() const
{
auto shape = getTopoShape(Profile.getValue());
@@ -174,7 +199,8 @@ Part::TopoShape ProfileBased::getProfileShape() const
}
return shape;
}
#endif
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
TopoDS_Shape ProfileBased::getVerifiedFace(bool silent) const {
App::DocumentObject* result = Profile.getValue();
@@ -253,7 +279,167 @@ TopoDS_Shape ProfileBased::getVerifiedFace(bool silent) const {
return TopoDS_Face();
}
TopoShape ProfileBased::getTopoShapeVerifiedFace(bool silent,
bool doFit,
bool allowOpen,
const App::DocumentObject* profile,
const std::vector<std::string>& _subs) const
{
auto obj = profile ? profile : Profile.getValue();
if (!obj || !obj->getNameInDocument()) {
if (silent) {
return TopoShape();
}
throw Base::ValueError("No profile linked");
}
const auto& subs = profile ? _subs : Profile.getSubValues();
try {
TopoShape shape;
if (AllowMultiFace.getValue()) {
if (subs.empty()) {
shape = Part::Feature::getTopoShape(obj);
}
else {
std::vector<TopoShape> shapes;
for (auto& sub : subs) {
auto subshape =
Part::Feature::getTopoShape(obj, sub.c_str(), /*needSubElement*/ true);
if (subshape.isNull()) {
FC_THROWM(Base::CADKernelError,
"Sub shape not found: " << obj->getFullName() << "." << sub);
}
shapes.push_back(subshape);
}
shape.makeElementCompound(shapes);
}
}
else {
std::string sub;
if (!obj->getTypeId().isDerivedFrom(Part::Part2DObject::getClassTypeId())) {
if (!subs.empty()) {
sub = subs[0];
}
}
shape = Part::Feature::getTopoShape(obj, sub.c_str(), !sub.empty());
}
if (shape.isNull()) {
if (silent) {
return shape;
}
throw Base::CADKernelError("Linked shape object is empty");
}
TopoShape openshape;
if (!shape.hasSubShape(TopAbs_FACE)) {
try {
if (!shape.hasSubShape(TopAbs_WIRE)) {
shape = shape.makeElementWires();
}
if (shape.hasSubShape(TopAbs_WIRE)) {
shape.Hasher = getDocument()->getStringHasher();
if (allowOpen) {
std::vector<TopoShape> openwires;
std::vector<TopoShape> wires;
for (auto& wire : shape.getSubTopoShapes(TopAbs_WIRE)) {
if (!wire.isClosed()) {
openwires.push_back(wire);
}
else {
wires.push_back(wire);
}
}
if (openwires.size()) {
openshape.makeElementCompound(
openwires,
nullptr,
TopoShape ::SingleShapeCompoundCreationPolicy::returnShape);
if (wires.empty()) {
shape = TopoShape();
}
else {
shape.makeElementCompound(
wires,
nullptr,
TopoShape ::SingleShapeCompoundCreationPolicy::returnShape);
}
}
}
if (!shape.isNull()) {
if (AllowMultiFace.getValue()) {
shape = shape.makeElementFace(); // default to use FaceMakerBullseye
}
else {
shape = shape.makeElementFace(nullptr, "Part::FaceMakerCheese");
}
}
}
}
catch (const Base::Exception&) {
if (silent) {
return TopoShape();
}
throw;
}
catch (const Standard_Failure&) {
if (silent) {
return TopoShape();
}
throw;
}
}
int count = shape.countSubShapes(TopAbs_FACE);
if (!count && !allowOpen) {
if (silent) {
return TopoShape();
}
throw Base::CADKernelError("Cannot make face from profile");
}
// Toponaming April 2024: This appears to be new feature, not TNP:
// if (doFit && (std::abs(Fit.getValue()) > Precision::Confusion()
// || std::abs(InnerFit.getValue()) > Precision::Confusion())) {
//
// if (!shape.isNull())
// shape = shape.makEOffsetFace(Fit.getValue(),
// InnerFit.getValue(),
// static_cast<Part::TopoShape::JoinType>(FitJoin.getValue()),
// static_cast<Part::TopoShape::JoinType>(InnerFitJoin.getValue()));
// if (!openshape.isNull())
// openshape.makEOffset2D(Fit.getValue());
// }
if (!openshape.isNull()) {
if (shape.isNull()) {
shape = openshape;
}
else {
shape.makeElementCompound({shape, openshape});
}
}
if (count > 1) {
if (AllowMultiFace.getValue()
|| obj->isDerivedFrom(Part::Part2DObject::getClassTypeId())) {
return shape;
}
FC_WARN("Found more than one face from profile");
}
if (!openshape.isNull()) {
return shape;
}
if (count) {
return shape.getSubTopoShape(TopAbs_FACE, 1);
}
return shape;
}
catch (Standard_Failure&) {
if (silent) {
return TopoShape();
}
throw;
}
}
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
std::vector<TopoDS_Wire> ProfileBased::getProfileWires() const {
std::vector<TopoDS_Wire> result;
@@ -292,9 +478,29 @@ std::vector<TopoDS_Wire> ProfileBased::getProfileWires() const {
return result;
}
std::vector<TopoShape> ProfileBased::getTopoShapeProfileWires() const
{
// shape copy is a workaround for an obscure OCC bug which leads to empty
// tessellations for some faces. Making an explicit copy of the linked
// shape seems to fix it. The error mostly happens when re-computing the
// shape but sometimes also for the first time
auto shape = getProfileShape().makeElementCopy();
if (shape.hasSubShape(TopAbs_WIRE)) {
return shape.getSubTopoShapes(TopAbs_WIRE);
}
auto wires = shape.makeElementWires().getSubTopoShapes(TopAbs_WIRE);
if (wires.empty()) {
throw Part::NullShapeException("Linked shape object is not a wire");
}
return wires;
}
// Note: We cannot return a reference, because it will become Null.
// Not clear where, because we check for IsNull() here, but as soon as it is passed out of
// this method, it becomes null!
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
const TopoDS_Face ProfileBased::getSupportFace() const
{
const Part::Part2DObject* sketch = getVerifiedSketch(true);
@@ -307,7 +513,8 @@ const TopoDS_Face ProfileBased::getSupportFace() const
TopoDS_Face ProfileBased::getSupportFace(const Part::Part2DObject* sketch) const
{
if (sketch && sketch->MapMode.getValue() == Attacher::mmFlatFace && sketch->AttachmentSupport.getValue()) {
if (sketch && sketch->MapMode.getValue() == Attacher::mmFlatFace
&& sketch->AttachmentSupport.getValue()) {
const auto& AttachmentSupport = sketch->AttachmentSupport;
App::DocumentObject* ref = AttachmentSupport.getValue();
@@ -323,20 +530,24 @@ TopoDS_Face ProfileBased::getSupportFace(const Part::Part2DObject* sketch) const
// get the selected sub shape (a Face)
const Part::TopoShape& shape = part->Shape.getShape();
if (shape.getShape().IsNull())
if (shape.getShape().IsNull()) {
throw Base::ValueError("Sketch support shape is empty!");
}
TopoDS_Shape sh = shape.getSubShape(sub[0].c_str());
if (sh.IsNull())
if (sh.IsNull()) {
throw Base::ValueError("Null shape in SketchBased::getSupportFace()!");
}
const TopoDS_Face face = TopoDS::Face(sh);
if (face.IsNull())
if (face.IsNull()) {
throw Base::ValueError("Null face in SketchBased::getSupportFace()!");
}
BRepAdaptor_Surface adapt(face);
if (adapt.GetType() != GeomAbs_Plane)
if (adapt.GetType() != GeomAbs_Plane) {
throw Base::TypeError("No planar face in SketchBased::getSupportFace()!");
}
return face;
}
@@ -356,6 +567,42 @@ TopoDS_Face ProfileBased::getSupportFace(const App::PropertyLinkSub& link) const
return face;
}
TopoShape ProfileBased::getTopoShapeSupportFace() const
{
TopoShape shape;
const Part::Part2DObject* sketch = getVerifiedSketch(true);
if (!sketch) {
shape = getTopoShapeVerifiedFace();
}
else if (sketch->MapMode.getValue() == Attacher::mmFlatFace
&& sketch->AttachmentSupport.getValue()) {
const auto& Support = sketch->AttachmentSupport;
App::DocumentObject* ref = Support.getValue();
shape = Part::Feature::getTopoShape(
ref,
Support.getSubValues().size() ? Support.getSubValues()[0].c_str() : "",
true);
}
if (!shape.isNull()) {
if (shape.shapeType(true) != TopAbs_FACE) {
if (!shape.hasSubShape(TopAbs_FACE)) {
throw Base::ValueError("Null face in SketchBased::getSupportFace()!");
}
shape = shape.getSubTopoShape(TopAbs_FACE, 1);
}
gp_Pln pln;
if (!shape.findPlane(pln)) {
throw Base::TypeError("No planar face in SketchBased::getSupportFace()!");
}
return shape;
}
if (!sketch) {
throw Base::RuntimeError("No planar support");
}
return Feature::makeShapeFromPlane(sketch);
}
int ProfileBased::getSketchAxisCount() const
{
Part::Part2DObject* sketch = static_cast<Part::Part2DObject*>(Profile.getValue());
@@ -415,6 +662,26 @@ void ProfileBased::onChanged(const App::Property* prop)
FeatureAddSub::onChanged(prop);
}
void ProfileBased::getUpToFaceFromLinkSub(TopoShape& upToFace, const App::PropertyLinkSub& refFace)
{
App::DocumentObject* ref = refFace.getValue();
if (!ref) {
throw Base::ValueError("SketchBased: No face selected");
}
if (ref->getTypeId().isDerivedFrom(App::Plane::getClassTypeId())) {
upToFace = makeShapeFromPlane(ref);
return;
}
const auto& subs = refFace.getSubValues();
upToFace = Part::Feature::getTopoShape(ref, subs.size() ? subs[0].c_str() : nullptr, true);
if (!upToFace.hasSubShape(TopAbs_FACE)) {
throw Base::ValueError("SketchBased: Up to face: Failed to extract face");
}
}
void ProfileBased::getFaceFromLinkSub(TopoDS_Face& upToFace, const App::PropertyLinkSub& refFace)
{
@@ -447,6 +714,7 @@ void ProfileBased::getFaceFromLinkSub(TopoDS_Face& upToFace, const App::Property
throw Base::ValueError("SketchBased: Failed to extract face");
}
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
void ProfileBased::getUpToFace(TopoDS_Face& upToFace,
const TopoDS_Shape& support,
const TopoDS_Shape& sketchshape,
@@ -540,6 +808,67 @@ void ProfileBased::getUpToFace(TopoDS_Face& upToFace,
}
}
void ProfileBased::getUpToFace(TopoShape& upToFace,
const TopoShape& support,
const TopoShape& supportface,
const TopoShape& sketchshape,
const std::string& method,
gp_Dir& dir)
{
if ((method == "UpToLast") || (method == "UpToFirst")) {
std::vector<Part::cutTopoShapeFaces> cfaces =
Part::findAllFacesCutBy(support, sketchshape, dir);
if (cfaces.empty()) {
throw Base::ValueError("SketchBased: No faces found in this direction");
}
// Find nearest/furthest face
std::vector<Part::cutTopoShapeFaces>::const_iterator it, it_near, it_far;
it_near = it_far = cfaces.begin();
for (it = cfaces.begin(); it != cfaces.end(); it++) {
if (it->distsq > it_far->distsq) {
it_far = it;
}
else if (it->distsq < it_near->distsq) {
it_near = it;
}
}
upToFace = (method == "UpToLast" ? it_far->face : it_near->face);
}
else if (Part::findAllFacesCutBy(upToFace, sketchshape, dir).empty()) {
dir = -dir;
}
if (upToFace.shapeType(true) != TopAbs_FACE) {
if (!upToFace.hasSubShape(TopAbs_FACE)) {
throw Base::ValueError("SketchBased: Up to face: No face found");
}
upToFace = upToFace.getSubTopoShape(TopAbs_FACE, 1);
}
TopoDS_Face face = TopoDS::Face(upToFace.getShape());
// Check that the upToFace does not intersect the sketch face and
// is not parallel to the extrusion direction (for simplicity, supportface is used instead of
// sketchshape)
BRepAdaptor_Surface adapt1(TopoDS::Face(supportface.getShape()));
BRepAdaptor_Surface adapt2(face);
if (adapt2.GetType() == GeomAbs_Plane) {
if (adapt1.Plane().Axis().IsNormal(adapt2.Plane().Axis(), Precision::Confusion())) {
throw Base::ValueError(
"SketchBased: Up to face: Must not be parallel to extrusion direction!");
}
}
// We must measure from sketchshape, not supportface, here
BRepExtrema_DistShapeShape distSS(sketchshape.getShape(), face);
if (distSS.Value() < Precision::Confusion()) {
throw Base::ValueError("SketchBased: Up to face: Must not intersect sketch!");
}
}
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
void ProfileBased::addOffsetToFace(TopoDS_Face& upToFace, const gp_Dir& dir, double offset)
{
// Move the face in the extrusion direction
@@ -564,6 +893,18 @@ void ProfileBased::addOffsetToFace(TopoDS_Face& upToFace, const gp_Dir& dir, dou
}
}
void ProfileBased::addOffsetToFace(TopoShape& upToFace, const gp_Dir& dir, double offset)
{
// Move the face in the extrusion direction
// TODO: For non-planar faces, we could consider offsetting the surface
if (fabs(offset) > Precision::Confusion()) {
gp_Trsf mov;
mov.SetTranslation(offset * gp_Vec(dir));
TopLoc_Location loc(mov);
upToFace.move(loc);
}
}
double ProfileBased::getThroughAllLength() const
{
TopoDS_Shape profileshape;
@@ -739,6 +1080,13 @@ bool ProfileBased::checkLineCrossesFace(const gp_Lin& line, const TopoDS_Face& f
void ProfileBased::remapSupportShape(const TopoDS_Shape & newShape)
{
#if FC_USE_TNP_FIX
(void)newShape;
// Realthunder: with the new topological naming, I don't think this function
// is necessary. A missing element will cause an explicitly error, and the
// user will be force to manually select the element. Various editors, such
// as dress up editors, can perform element guessing when activated.
#else
TopTools_IndexedMapOfShape faceMap;
TopExp::MapShapes(newShape, TopAbs_FACE, faceMap);
@@ -830,6 +1178,7 @@ void ProfileBased::remapSupportShape(const TopoDS_Shape & newShape)
link->setValue(this, newSubValues);
}
}
#endif
}
namespace PartDesign {

View File

@@ -97,17 +97,39 @@ public:
* silently returns nullptr, otherwise throw a Base::Exception.
* Default is false.
*/
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
TopoDS_Shape getVerifiedFace(bool silent = false) const;
/**
* Verifies the linked Object and returns the shape used as profile
* @param silent: if profile property is malformed and the parameter is true
* silently returns nullptr, otherwise throw a Base::Exception.
* Default is false.
* @param doFit: Whether to fitting according to the 'Fit' property
* @param allowOpen: Whether allow open wire
* @param profile: optional profile object, if not given then use 'Profile' property
* @param subs: optional profile sub-object names, if not given then use 'Profile' property
*/
TopoShape getTopoShapeVerifiedFace(bool silent = false,
bool doFit = true,
bool allowOpen = false,
const App::DocumentObject* profile = nullptr,
const std::vector<std::string>& subs = {}) const;
/// Returns the wires the sketch is composed of
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
std::vector<TopoDS_Wire> getProfileWires() const;
std::vector<TopoShape> getTopoShapeProfileWires() const;
/// Returns the face of the sketch support (if any)
const TopoDS_Face getSupportFace() const;
// TODO: Toponaming April 2024 Deprecated in favor of TopoShape method. Remove when possible.
TopoShape getTopoShapeSupportFace() const;
Base::Vector3d getProfileNormal() const;
Part::TopoShape getProfileShape() const;
TopoShape getProfileShape() const;
/// retrieves the number of axes in the linked sketch (defined as construction lines)
int getSketchAxisCount() const;
@@ -128,8 +150,7 @@ protected:
TopoDS_Face getSupportFace(const App::PropertyLinkSub& link) const;
/// Extract a face from a given LinkSub
static void getFaceFromLinkSub(TopoDS_Face& upToFace,
const App::PropertyLinkSub& refFace);
static void getFaceFromLinkSub(TopoDS_Face& upToFace, const App::PropertyLinkSub& refFace);
/// Find a valid face to extrude up to
static void getUpToFace(TopoDS_Face& upToFace,
@@ -139,7 +160,20 @@ protected:
const gp_Dir& dir);
/// Add an offset to the face
static void addOffsetToFace(TopoDS_Face& upToFace,
static void addOffsetToFace(TopoDS_Face& upToFace, const gp_Dir& dir, double offset);
/// Extract a face from a given LinkSub
static void getUpToFaceFromLinkSub(TopoShape& upToFace, const App::PropertyLinkSub& refFace);
/// Find a valid face to extrude up to
static void getUpToFace(TopoShape& upToFace,
const TopoShape& support,
const TopoShape& supportface,
const TopoShape& sketchshape,
const std::string& method,
gp_Dir& dir);
/// Add an offset to the face
static void addOffsetToFace(TopoShape& upToFace,
const gp_Dir& dir,
double offset);

View File

@@ -261,6 +261,20 @@ void SketchObject::buildShape()
if(GeometryFacade::getConstruction(geo))
continue;
if (geo->isDerivedFrom(Part::GeomPoint::getClassTypeId())) {
#ifdef FC_USE_TNP_FIX
Part::TopoShape vertex(TopoDS::Vertex(geo->toShape()));
int idx = getVertexIndexGeoPos(i-1, Sketcher::PointPos::start);
std::string name = convertSubName(Data::IndexedName::fromConst("Vertex", idx+1), false);
vertex.setElementName(Data::IndexedName::fromConst("Vertex", 1),
Data::MappedName::fromRawData(name.c_str()),0L);
vertices.push_back(vertex);
vertices.back().copyElementMap(vertex, Part::OpCodes::Sketch);
} else {
auto indexedName = Data::IndexedName::fromConst("Edge", i);
shapes.push_back(getEdge(geo,convertSubName(indexedName, false).c_str()));
}
#else
vertices.emplace_back(TopoDS::Vertex(geo->toShape()));
int idx = getVertexIndexGeoPos(i-1, PointPos::start);
std::string name = convertSubName(Data::IndexedName::fromConst("Vertex", idx+1), false);
@@ -269,6 +283,7 @@ void SketchObject::buildShape()
} else
shapes.push_back(getEdge(geo,convertSubName(
Data::IndexedName::fromConst("Edge", i), false).c_str()));
#endif
}
// FIXME: Commented since ExternalGeometryFacade is not added
@@ -280,11 +295,14 @@ void SketchObject::buildShape()
// shapes.push_back(getEdge(geo, convertSubName(
// Data::IndexedName::fromConst("ExternalEdge", i-1), false).c_str()));
// }
if(shapes.empty() && vertices.empty())
Shape.setValue(Part::TopoShape());
else if (vertices.empty()) {
if(shapes.empty() && vertices.empty()) {
Shape.setValue(Part::TopoShape());
return;
}
Part::TopoShape result(0);
if (vertices.empty()) {
// Notice here we supply op code Part::OpCodes::Sketch to makEWires().
Shape.setValue(Part::TopoShape().makeElementWires(shapes,Part::OpCodes::Sketch));
result.makeElementWires(shapes,Part::OpCodes::Sketch);
} else {
std::vector<Part::TopoShape> results;
if (!shapes.empty()) {
@@ -302,8 +320,10 @@ void SketchObject::buildShape()
results.push_back(wire);
}
results.insert(results.end(), vertices.begin(), vertices.end());
Shape.setValue(Part::TopoShape().makeElementCompound(results, Part::OpCodes::Sketch));
result.makeElementCompound(results, Part::OpCodes::Sketch);
}
result.Tag = getID();
Shape.setValue(result);
}
static const char *hasSketchMarker(const char *name) {