1491 lines
54 KiB
C++
1491 lines
54 KiB
C++
/***************************************************************************
|
|
* Copyright (c) 2010 Juergen Riegel <FreeCAD@juergen-riegel.net> *
|
|
* *
|
|
* This file is part of the FreeCAD CAx development system. *
|
|
* *
|
|
* This library is free software; you can redistribute it and/or *
|
|
* modify it under the terms of the GNU Library General Public *
|
|
* License as published by the Free Software Foundation; either *
|
|
* version 2 of the License, or (at your option) any later version. *
|
|
* *
|
|
* This library is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* GNU Library General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU Library General Public *
|
|
* License along with this library; see the file COPYING.LIB. If not, *
|
|
* write to the Free Software Foundation, Inc., 59 Temple Place, *
|
|
* Suite 330, Boston, MA 02111-1307, USA *
|
|
* *
|
|
***************************************************************************/
|
|
|
|
#include <Bnd_Box.hxx>
|
|
#include <BRep_Builder.hxx>
|
|
#include <BRep_Tool.hxx>
|
|
#include <BRepAdaptor_Curve.hxx>
|
|
#include <BRepAdaptor_Surface.hxx>
|
|
#include <BRepBndLib.hxx>
|
|
#include <BRepBuilderAPI_Copy.hxx>
|
|
#include <BRepBuilderAPI_MakeEdge.hxx>
|
|
#include <BRepBuilderAPI_MakeFace.hxx>
|
|
#include <BRepExtrema_DistShapeShape.hxx>
|
|
#include <BRepGProp.hxx>
|
|
#include <BRepGProp_Face.hxx>
|
|
#include <BRepLProp_SLProps.hxx>
|
|
#include <BRepProj_Projection.hxx>
|
|
#include <Extrema_ExtCC.hxx>
|
|
#include <Extrema_POnCurv.hxx>
|
|
#include <gp_Circ.hxx>
|
|
#include <gp_Pln.hxx>
|
|
#include <GProp_GProps.hxx>
|
|
#include <ShapeAnalysis.hxx>
|
|
#include <Standard_Version.hxx>
|
|
#include <TopExp.hxx>
|
|
#include <TopExp_Explorer.hxx>
|
|
#include <TopoDS_Face.hxx>
|
|
#include <TopoDS_Vertex.hxx>
|
|
#include <TopoDS_Wire.hxx>
|
|
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
|
|
#include <TopTools_IndexedMapOfShape.hxx>
|
|
|
|
|
|
#include <App/Document.h>
|
|
#include <App/Datums.h>
|
|
#include <Base/Reader.h>
|
|
#include <Mod/Part/App/FaceMakerCheese.h>
|
|
|
|
#include "FeatureSketchBased.h"
|
|
#include "DatumLine.h"
|
|
#include "DatumPlane.h"
|
|
#include "Mod/Part/App/Geometry.h"
|
|
|
|
|
|
FC_LOG_LEVEL_INIT("PartDesign", true, true);
|
|
|
|
using namespace PartDesign;
|
|
|
|
PROPERTY_SOURCE(PartDesign::ProfileBased, PartDesign::FeatureAddSub)
|
|
|
|
ProfileBased::ProfileBased()
|
|
{
|
|
ADD_PROPERTY_TYPE(Profile, (nullptr), "SketchBased", App::Prop_None, "Reference to sketch");
|
|
ADD_PROPERTY_TYPE(Midplane, (0), "SketchBased", App::Prop_None, "Extrude symmetric to sketch face");
|
|
ADD_PROPERTY_TYPE(Reversed, (0), "SketchBased", App::Prop_None, "Reverse extrusion direction");
|
|
ADD_PROPERTY_TYPE(
|
|
UpToFace,
|
|
(nullptr),
|
|
"Side1",
|
|
(App::PropertyType)(App::Prop_None),
|
|
"Face where feature will end"
|
|
);
|
|
ADD_PROPERTY_TYPE(
|
|
UpToShape,
|
|
(nullptr),
|
|
"Side1",
|
|
(App::PropertyType)(App::Prop_None),
|
|
"Shape where feature will end"
|
|
);
|
|
ADD_PROPERTY_TYPE(
|
|
UpToFace2,
|
|
(nullptr),
|
|
"Side2",
|
|
(App::PropertyType)(App::Prop_None),
|
|
"Face where feature will end"
|
|
);
|
|
ADD_PROPERTY_TYPE(
|
|
UpToShape2,
|
|
(nullptr),
|
|
"Side2",
|
|
(App::PropertyType)(App::Prop_None),
|
|
"Shape where feature will end"
|
|
);
|
|
ADD_PROPERTY_TYPE(
|
|
AllowMultiFace,
|
|
(false),
|
|
"SketchBased",
|
|
App::Prop_None,
|
|
"Allow multiple faces in profile"
|
|
);
|
|
}
|
|
|
|
short ProfileBased::mustExecute() const
|
|
{
|
|
if (Profile.isTouched() || Midplane.isTouched() || Reversed.isTouched() || UpToFace.isTouched()
|
|
|| UpToFace2.isTouched() || UpToShape.isTouched() || UpToShape2.isTouched()) {
|
|
return 1;
|
|
}
|
|
return PartDesign::FeatureAddSub::mustExecute();
|
|
}
|
|
|
|
void ProfileBased::setupObject()
|
|
{
|
|
AllowMultiFace.setValue(true);
|
|
}
|
|
|
|
void ProfileBased::positionByPrevious()
|
|
{
|
|
Part::Feature* feat = getBaseObject(/* silent = */ true);
|
|
if (feat) {
|
|
this->Placement.setValue(feat->Placement.getValue());
|
|
}
|
|
else {
|
|
// no base. Use either Sketch support's placement, or sketch's placement itself.
|
|
Part::Part2DObject* sketch = getVerifiedSketch();
|
|
App::DocumentObject* support = sketch->AttachmentSupport.getValue();
|
|
if (support && support->isDerivedFrom<App::GeoFeature>()) {
|
|
this->Placement.setValue(static_cast<App::GeoFeature*>(support)->Placement.getValue());
|
|
}
|
|
else {
|
|
this->Placement.setValue(sketch->Placement.getValue());
|
|
}
|
|
}
|
|
}
|
|
|
|
void ProfileBased::transformPlacement(const Base::Placement& transform)
|
|
{
|
|
Part::Feature* feat = getBaseObject(/* silent = */ true);
|
|
if (feat) {
|
|
feat->transformPlacement(transform);
|
|
}
|
|
else {
|
|
Part::Part2DObject* sketch = getVerifiedSketch();
|
|
sketch->transformPlacement(transform);
|
|
}
|
|
positionByPrevious();
|
|
}
|
|
|
|
Part::Part2DObject* ProfileBased::getVerifiedSketch(bool silent) const
|
|
{
|
|
App::DocumentObject* result = Profile.getValue();
|
|
const char* err = nullptr;
|
|
|
|
if (!result) {
|
|
err = "No profile linked at all";
|
|
}
|
|
else {
|
|
if (!result->isDerivedFrom<Part::Part2DObject>()) {
|
|
err = "Linked object is not a Sketch or Part2DObject";
|
|
result = nullptr;
|
|
}
|
|
}
|
|
|
|
if (!silent && err) {
|
|
throw Base::RuntimeError(err);
|
|
}
|
|
|
|
return static_cast<Part::Part2DObject*>(result);
|
|
}
|
|
|
|
Part::Feature* ProfileBased::getVerifiedObject(bool silent) const
|
|
{
|
|
|
|
App::DocumentObject* result = Profile.getValue();
|
|
const char* err = nullptr;
|
|
|
|
if (!result) {
|
|
err = "No object linked";
|
|
}
|
|
else {
|
|
if (!result->isDerivedFrom<Part::Feature>()) {
|
|
err = "Linked object is not a Sketch, Part2DObject or Feature";
|
|
}
|
|
}
|
|
|
|
if (!silent && err) {
|
|
throw Base::RuntimeError(err);
|
|
}
|
|
|
|
return static_cast<Part::Feature*>(result);
|
|
}
|
|
TopoShape ProfileBased::getTopoShapeVerifiedFace(
|
|
bool silent,
|
|
[[maybe_unused]] bool doFit, // TODO: Remove parameter
|
|
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,
|
|
Part::ShapeOption::ResolveLink | Part::ShapeOption::Transform
|
|
);
|
|
}
|
|
else {
|
|
std::vector<TopoShape> shapes;
|
|
for (auto& sub : subs) {
|
|
auto subshape = Part::Feature::getTopoShape(
|
|
obj,
|
|
Part::ShapeOption::NeedSubElement | Part::ShapeOption::ResolveLink
|
|
| Part::ShapeOption::Transform,
|
|
sub.c_str()
|
|
);
|
|
|
|
|
|
if (subshape.isNull()) {
|
|
if (silent) {
|
|
return {};
|
|
}
|
|
FC_THROWM(
|
|
Base::CADKernelError,
|
|
"Sub shape not found: " << obj->getFullName() << "." << sub
|
|
);
|
|
}
|
|
shapes.push_back(subshape);
|
|
}
|
|
shape.makeElementCompound(shapes);
|
|
}
|
|
}
|
|
else {
|
|
std::string sub;
|
|
if (!obj->isDerivedFrom<Part::Part2DObject>()) {
|
|
if (!subs.empty()) {
|
|
sub = subs[0];
|
|
}
|
|
}
|
|
shape = Part::Feature::getTopoShape(
|
|
obj,
|
|
(sub.empty() ? Part::ShapeOption::NoFlag : Part::ShapeOption::NeedSubElement)
|
|
| Part::ShapeOption::ResolveLink | Part::ShapeOption::Transform,
|
|
sub.c_str()
|
|
);
|
|
}
|
|
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");
|
|
}
|
|
|
|
if (!openshape.isNull()) {
|
|
if (shape.isNull()) {
|
|
shape = openshape;
|
|
}
|
|
else {
|
|
shape.makeElementCompound({shape, openshape});
|
|
}
|
|
}
|
|
if (count > 1) {
|
|
if (AllowMultiFace.getValue() || obj->isDerivedFrom<Part::Part2DObject>()) {
|
|
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.
|
|
TopoDS_Shape ProfileBased::getVerifiedFace(bool silent) const
|
|
{
|
|
|
|
App::DocumentObject* result = Profile.getValue();
|
|
const char* err = nullptr;
|
|
std::string _err;
|
|
|
|
if (!result) {
|
|
err = "No profile linked";
|
|
}
|
|
else if (AllowMultiFace.getValue()) {
|
|
try {
|
|
auto shape = getProfileShape();
|
|
if (shape.isNull()) {
|
|
err = "Linked shape object is empty";
|
|
}
|
|
else {
|
|
auto faces = shape.getSubTopoShapes(TopAbs_FACE);
|
|
if (faces.empty()) {
|
|
if (!shape.hasSubShape(TopAbs_WIRE)) {
|
|
shape = shape.makeWires();
|
|
}
|
|
if (shape.hasSubShape(TopAbs_WIRE)) {
|
|
shape = shape.makeFace(nullptr, "Part::FaceMakerBullseye");
|
|
}
|
|
else {
|
|
err = "Cannot make face from profile";
|
|
}
|
|
}
|
|
else if (faces.size() == 1) {
|
|
shape = faces.front();
|
|
}
|
|
else {
|
|
shape = TopoShape().makeCompound(faces);
|
|
}
|
|
}
|
|
if (!err) {
|
|
return shape.getShape();
|
|
}
|
|
}
|
|
catch (Standard_Failure& e) {
|
|
_err = e.GetMessageString();
|
|
err = _err.c_str();
|
|
}
|
|
}
|
|
else {
|
|
if (result->isDerivedFrom<Part::Part2DObject>()) {
|
|
|
|
auto wires = getProfileWires();
|
|
return Part::FaceMakerCheese::makeFace(wires);
|
|
}
|
|
else if (result->isDerivedFrom<Part::Feature>()) {
|
|
if (Profile.getSubValues().empty()) {
|
|
err = "Linked object has no subshape specified";
|
|
}
|
|
else {
|
|
|
|
const Part::TopoShape& shape = Profile.getValue<Part::Feature*>()->Shape.getShape();
|
|
TopoDS_Shape sub = shape.getSubShape(Profile.getSubValues()[0].c_str());
|
|
if (sub.ShapeType() == TopAbs_FACE) {
|
|
return TopoDS::Face(sub);
|
|
}
|
|
else if (sub.ShapeType() == TopAbs_WIRE) {
|
|
|
|
auto wire = TopoDS::Wire(sub);
|
|
if (!wire.Closed()) {
|
|
err = "Linked wire is not closed";
|
|
}
|
|
else {
|
|
BRepBuilderAPI_MakeFace mk(wire);
|
|
mk.Build();
|
|
return TopoDS::Face(mk.Shape());
|
|
}
|
|
}
|
|
else {
|
|
err = "Linked Subshape cannot be used";
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
err = "Linked object is neither Sketch, Part2DObject or Part::Feature";
|
|
}
|
|
}
|
|
|
|
if (!silent && err) {
|
|
throw Base::RuntimeError(err);
|
|
}
|
|
|
|
return TopoDS_Face();
|
|
}
|
|
|
|
TopoShape ProfileBased::getProfileShape(Part::ShapeOptions subShapeOptions) const
|
|
{
|
|
TopoShape shape;
|
|
const auto& subs = Profile.getSubValues();
|
|
auto profile = Profile.getValue();
|
|
if (subs.empty()) {
|
|
shape = Part::Feature::getTopoShape(
|
|
profile,
|
|
Part::ShapeOption::ResolveLink | Part::ShapeOption::Transform
|
|
);
|
|
}
|
|
else {
|
|
std::vector<TopoShape> shapes;
|
|
for (auto& sub : subs) {
|
|
shapes.push_back(Part::Feature::getTopoShape(profile, subShapeOptions, sub.c_str()));
|
|
}
|
|
shape = TopoShape(shape.Tag).makeElementCompound(shapes);
|
|
}
|
|
if (shape.isNull()) {
|
|
throw Part::NullShapeException("Linked shape object is empty");
|
|
}
|
|
return shape;
|
|
}
|
|
|
|
|
|
// 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;
|
|
|
|
if (!Profile.getValue() || !Profile.getValue()->isDerivedFrom<Part::Feature>()) {
|
|
throw Base::TypeError("No valid profile linked");
|
|
}
|
|
|
|
TopoDS_Shape shape;
|
|
if (Profile.getValue()->isDerivedFrom<Part::Part2DObject>()) {
|
|
shape = Profile.getValue<Part::Part2DObject*>()->Shape.getValue();
|
|
}
|
|
else {
|
|
if (Profile.getSubValues().empty()) {
|
|
throw Base::ValueError("No valid subelement linked in Part::Feature");
|
|
}
|
|
|
|
shape = Profile.getValue<Part::Feature*>()->Shape.getShape().getSubShape(
|
|
Profile.getSubValues().front().c_str()
|
|
);
|
|
}
|
|
|
|
if (shape.IsNull()) {
|
|
throw Base::ValueError("Linked shape object is empty");
|
|
}
|
|
|
|
// this 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 almost happens when re-computing the shape but sometimes also for the
|
|
// first time
|
|
BRepBuilderAPI_Copy copy(shape);
|
|
shape = copy.Shape();
|
|
if (shape.IsNull()) {
|
|
throw Base::ValueError("Linked shape object is empty");
|
|
}
|
|
|
|
TopExp_Explorer ex;
|
|
for (ex.Init(shape, TopAbs_WIRE); ex.More(); ex.Next()) {
|
|
result.push_back(TopoDS::Wire(ex.Current()));
|
|
}
|
|
if (result.empty()) { // there can be several wires
|
|
throw Base::ValueError("Linked shape object is not a wire");
|
|
}
|
|
|
|
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);
|
|
if (sketch) {
|
|
return getSupportFace(sketch);
|
|
}
|
|
|
|
return getSupportFace(Profile);
|
|
}
|
|
|
|
TopoDS_Face ProfileBased::getSupportFace(const Part::Part2DObject* sketch) const
|
|
{
|
|
if (sketch && sketch->MapMode.getValue() == Attacher::mmFlatFace
|
|
&& sketch->AttachmentSupport.getValue()) {
|
|
const auto& AttachmentSupport = sketch->AttachmentSupport;
|
|
App::DocumentObject* ref = AttachmentSupport.getValue();
|
|
|
|
Part::Feature* part = dynamic_cast<Part::Feature*>(ref);
|
|
if (part) {
|
|
const std::vector<std::string>& sub = AttachmentSupport.getSubValues();
|
|
assert(sub.size() == 1);
|
|
|
|
if (sub.at(0).empty()) {
|
|
// This seems to happen when sketch is on a datum plane
|
|
return TopoDS::Face(Feature::makeShapeFromPlane(sketch));
|
|
}
|
|
|
|
// get the selected sub shape (a Face)
|
|
const Part::TopoShape& shape = part->Shape.getShape();
|
|
if (shape.getShape().IsNull()) {
|
|
throw Base::ValueError("Sketch support shape is empty!");
|
|
}
|
|
|
|
TopoDS_Shape sh = shape.getSubShape(sub[0].c_str());
|
|
if (sh.IsNull()) {
|
|
throw Base::ValueError("Null shape in SketchBased::getSupportFace()!");
|
|
}
|
|
|
|
const TopoDS_Face face = TopoDS::Face(sh);
|
|
if (face.IsNull()) {
|
|
throw Base::ValueError("Null face in SketchBased::getSupportFace()!");
|
|
}
|
|
|
|
BRepAdaptor_Surface adapt(face);
|
|
if (adapt.GetType() != GeomAbs_Plane) {
|
|
throw Base::TypeError("No planar face in SketchBased::getSupportFace()!");
|
|
}
|
|
|
|
return face;
|
|
}
|
|
}
|
|
return TopoDS::Face(Feature::makeShapeFromPlane(sketch));
|
|
}
|
|
|
|
TopoDS_Face ProfileBased::getSupportFace(const App::PropertyLinkSub& link) const
|
|
{
|
|
App::DocumentObject* result = link.getValue();
|
|
if (!result) {
|
|
throw Base::RuntimeError("No support linked");
|
|
}
|
|
|
|
TopoDS_Face face;
|
|
getFaceFromLinkSub(face, link);
|
|
return face;
|
|
}
|
|
|
|
TopoShape ProfileBased::getTopoShapeSupportFace() const
|
|
{
|
|
TopoShape shape;
|
|
const Part::Part2DObject* sketch = getVerifiedSketch(true);
|
|
if (!sketch) {
|
|
shape = getTopoShapeVerifiedFace(true);
|
|
}
|
|
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,
|
|
Part::ShapeOption::NeedSubElement | Part::ShapeOption::ResolveLink
|
|
| Part::ShapeOption::Transform,
|
|
Support.getSubValues().empty() ? "" : Support.getSubValues()[0].c_str()
|
|
);
|
|
}
|
|
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());
|
|
if (!sketch) {
|
|
return -1; // the link to the sketch is lost
|
|
}
|
|
return sketch->getAxisCount();
|
|
}
|
|
|
|
Part::Feature* ProfileBased::getBaseObject(bool silent) const
|
|
{
|
|
// Test the base's class feature.
|
|
Part::Feature* rv = Feature::getBaseObject(/* silent = */ true);
|
|
if (rv) {
|
|
return rv;
|
|
}
|
|
|
|
// getVerifiedObject() may throw it's own exception if fail
|
|
Part::Feature* obj = getVerifiedObject(silent);
|
|
|
|
if (!obj) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (!obj->isDerivedFrom<Part::Part2DObject>()) {
|
|
return obj;
|
|
}
|
|
|
|
// due to former test we know we have a 2d object
|
|
Part::Part2DObject* sketch = getVerifiedSketch(silent);
|
|
const char* err = nullptr;
|
|
App::DocumentObject* spt = sketch->AttachmentSupport.getValue();
|
|
if (spt) {
|
|
if (spt->isDerivedFrom<Part::Feature>()) {
|
|
rv = static_cast<Part::Feature*>(spt);
|
|
}
|
|
else {
|
|
err = "No base set, sketch support is not Part::Feature";
|
|
}
|
|
}
|
|
else {
|
|
err = "No base set, no sketch support either";
|
|
}
|
|
|
|
if (!silent && err) {
|
|
throw Base::RuntimeError(err);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
void ProfileBased::onChanged(const App::Property* prop)
|
|
{
|
|
if (prop == &Profile) {
|
|
// if attached to a sketch then mark it as read-only
|
|
this->Placement.setStatus(App::Property::ReadOnly, Profile.getValue() != nullptr);
|
|
}
|
|
|
|
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->isDerivedFrom<App::Plane>()) {
|
|
upToFace = makeShapeFromPlane(ref);
|
|
return;
|
|
}
|
|
|
|
const auto& subs = refFace.getSubValues();
|
|
upToFace = Part::Feature::getTopoShape(
|
|
ref,
|
|
Part::ShapeOption::NeedSubElement | Part::ShapeOption::ResolveLink
|
|
| Part::ShapeOption::Transform,
|
|
subs.empty() ? nullptr : subs[0].c_str()
|
|
);
|
|
|
|
if (!upToFace.hasSubShape(TopAbs_FACE)) {
|
|
throw Base::ValueError("SketchBased: Up to face: Failed to extract face");
|
|
}
|
|
}
|
|
|
|
int ProfileBased::getUpToShapeFromLinkSubList(
|
|
TopoShape& upToShape,
|
|
const App::PropertyLinkSubList& refShape
|
|
)
|
|
{
|
|
int ret = 0;
|
|
|
|
auto subSets = refShape.getSubListValues();
|
|
|
|
std::vector<TopoShape> faceList;
|
|
for (auto& subSet : subSets) {
|
|
auto ref = subSet.first;
|
|
if (ref->isDerivedFrom<App::Plane>()) {
|
|
faceList.push_back(makeTopoShapeFromPlane(ref));
|
|
ret++;
|
|
}
|
|
else {
|
|
if (!ref->isDerivedFrom<Part::Feature>()) {
|
|
throw Base::TypeError("SketchBased: Must be face of a feature");
|
|
}
|
|
|
|
auto subStrings = subSet.second;
|
|
if (subStrings.empty() || subStrings[0].empty()) {
|
|
TopoShape baseShape = Part::Feature::getTopoShape(
|
|
ref,
|
|
Part::ShapeOption::NeedSubElement | Part::ShapeOption::ResolveLink
|
|
| Part::ShapeOption::Transform
|
|
);
|
|
|
|
|
|
for (auto face : baseShape.getSubTopoShapes(TopAbs_FACE)) {
|
|
faceList.push_back(face);
|
|
ret++;
|
|
}
|
|
}
|
|
else {
|
|
for (auto& subString : subStrings) {
|
|
auto shape = Part::Feature::getShape(
|
|
ref,
|
|
Part::ShapeOption::NeedSubElement | Part::ShapeOption::ResolveLink
|
|
| Part::ShapeOption::Transform,
|
|
subString.c_str()
|
|
);
|
|
|
|
TopoShape face = shape;
|
|
face = face.makeElementFace();
|
|
if (face.isNull()) {
|
|
throw Base::ValueError("SketchBased: Failed to extract face");
|
|
}
|
|
faceList.push_back(face);
|
|
ret++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (ret == 0) {
|
|
return 0;
|
|
}
|
|
if (ret == 1) {
|
|
upToShape = faceList[0];
|
|
return 1;
|
|
}
|
|
|
|
// create a unique shell with all selected faces
|
|
upToShape = upToShape.makeElementCompound(faceList);
|
|
return ret;
|
|
}
|
|
|
|
void ProfileBased::getFaceFromLinkSub(TopoDS_Face& upToFace, const App::PropertyLinkSub& refFace)
|
|
{
|
|
App::DocumentObject* ref = refFace.getValue();
|
|
std::vector<std::string> subStrings = refFace.getSubValues();
|
|
|
|
if (!ref) {
|
|
throw Base::ValueError("SketchBased: No face selected");
|
|
}
|
|
|
|
if (ref->isDerivedFrom<App::Plane>()) {
|
|
upToFace = TopoDS::Face(makeShapeFromPlane(ref));
|
|
return;
|
|
}
|
|
else if (ref->isDerivedFrom<PartDesign::Plane>()) {
|
|
Part::Datum* datum = static_cast<Part::Datum*>(ref);
|
|
upToFace = TopoDS::Face(datum->getShape());
|
|
return;
|
|
}
|
|
|
|
if (!ref->isDerivedFrom<Part::Feature>()) {
|
|
throw Base::TypeError("SketchBased: Must be face of a feature");
|
|
}
|
|
Part::TopoShape baseShape = static_cast<Part::Feature*>(ref)->Shape.getShape();
|
|
|
|
// Allow an empty sub here - example is a sketch reference (no sub) that creates a face.
|
|
if (subStrings.empty()) {
|
|
throw Base::ValueError("SketchBased: No face selected");
|
|
}
|
|
// TODO: Check for multiple UpToFaces?
|
|
|
|
upToFace = TopoDS::Face(baseShape.getSubShape(subStrings[0].c_str()));
|
|
if (upToFace.IsNull()) {
|
|
throw Base::ValueError("SketchBased: Failed to extract face");
|
|
}
|
|
}
|
|
|
|
|
|
void ProfileBased::getUpToFace(
|
|
TopoShape& upToFace,
|
|
const TopoShape& support,
|
|
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
|
|
BRepAdaptor_Surface adapt(face);
|
|
|
|
if (adapt.GetType() == GeomAbs_Plane) {
|
|
if (dir.IsNormal(adapt.Plane().Axis().Direction(), 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!");
|
|
}
|
|
}
|
|
|
|
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
|
|
{
|
|
TopoShape profileshape;
|
|
TopoShape base;
|
|
profileshape = getTopoShapeVerifiedFace(true);
|
|
base = getBaseTopoShape();
|
|
Bnd_Box box;
|
|
BRepBndLib::Add(base.getShape(), box);
|
|
|
|
if (!profileshape.isNull()) {
|
|
BRepBndLib::Add(profileshape.getShape(), box);
|
|
}
|
|
box.SetGap(0.0);
|
|
// The diagonal of the bounding box, plus 1% extra to eliminate risk of
|
|
// co-planar issues, gives a length that is guaranteed to go through all.
|
|
// The result is multiplied by 2 for the guarantee to work also for the midplane option.
|
|
return 2.02 * sqrt(box.SquareExtent());
|
|
}
|
|
|
|
bool ProfileBased::checkWireInsideFace(const TopoDS_Wire& wire, const TopoDS_Face& face, const gp_Dir& dir)
|
|
{
|
|
// Project wire onto the face (face, not surface! So limits of face apply)
|
|
// FIXME: The results of BRepProj_Projection do not seem to be very stable. Sometimes they
|
|
// return no result even in the simplest projection case.
|
|
// FIXME: Checking for Closed() is wrong because this has nothing to do with the wire itself
|
|
// being closed But ShapeAnalysis_Wire::CheckClosed() doesn't give correct results either.
|
|
BRepProj_Projection proj(wire, face, dir);
|
|
return (proj.More() && proj.Current().Closed());
|
|
}
|
|
|
|
bool ProfileBased::checkLineCrossesFace(const gp_Lin& line, const TopoDS_Face& face)
|
|
{
|
|
BRepBuilderAPI_MakeEdge mkEdge(line);
|
|
TopoDS_Wire wire = ShapeAnalysis::OuterWire(face);
|
|
BRepExtrema_DistShapeShape distss(wire, mkEdge.Shape(), Precision::Confusion());
|
|
if (distss.IsDone()) {
|
|
if (distss.Value() > Precision::Confusion()) {
|
|
return false;
|
|
}
|
|
// build up map vertex->edge
|
|
TopTools_IndexedDataMapOfShapeListOfShape vertex2Edge;
|
|
TopExp::MapShapesAndAncestors(wire, TopAbs_VERTEX, TopAbs_EDGE, vertex2Edge);
|
|
|
|
for (Standard_Integer i = 1; i <= distss.NbSolution(); i++) {
|
|
if (distss.PointOnShape1(i).Distance(distss.PointOnShape2(i)) > Precision::Confusion()) {
|
|
continue;
|
|
}
|
|
BRepExtrema_SupportType type = distss.SupportTypeShape1(i);
|
|
if (type == BRepExtrema_IsOnEdge) {
|
|
TopoDS_Edge edge = TopoDS::Edge(distss.SupportOnShape1(i));
|
|
BRepAdaptor_Curve adapt(edge);
|
|
// create a plane (pnt,dir) that goes through the intersection point and is built of
|
|
// the vectors of the sketch normal and the rotation axis
|
|
gp_Dir normal = BRepAdaptor_Surface(face).Plane().Axis().Direction();
|
|
gp_Dir dir = line.Direction().Crossed(normal);
|
|
gp_Pnt pnt = distss.PointOnShape1(i);
|
|
|
|
Standard_Real t;
|
|
distss.ParOnEdgeS1(i, t);
|
|
gp_Pnt p_eps1 = adapt.Value(
|
|
std::max<double>(adapt.FirstParameter(), t - 10 * Precision::Confusion())
|
|
);
|
|
gp_Pnt p_eps2 = adapt.Value(
|
|
std::min<double>(adapt.LastParameter(), t + 10 * Precision::Confusion())
|
|
);
|
|
|
|
// now check if we get a change in the sign of the distances
|
|
Standard_Real dist_p_eps1_pnt = gp_Vec(p_eps1, pnt).Dot(gp_Vec(dir));
|
|
Standard_Real dist_p_eps2_pnt = gp_Vec(p_eps2, pnt).Dot(gp_Vec(dir));
|
|
// distance to the plane must be noticeable
|
|
if (fabs(dist_p_eps1_pnt) > 5 * Precision::Confusion()
|
|
&& fabs(dist_p_eps2_pnt) > 5 * Precision::Confusion()) {
|
|
if (dist_p_eps1_pnt * dist_p_eps2_pnt < 0) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
else if (type == BRepExtrema_IsVertex) {
|
|
// for a vertex check the two adjacent edges if there is a change of sign
|
|
TopoDS_Vertex vertex = TopoDS::Vertex(distss.SupportOnShape1(i));
|
|
const TopTools_ListOfShape& edges = vertex2Edge.FindFromKey(vertex);
|
|
if (edges.Extent() == 2) {
|
|
// create a plane (pnt,dir) that goes through the intersection point and is
|
|
// built of the vectors of the sketch normal and the rotation axis
|
|
BRepAdaptor_Surface adapt(face);
|
|
gp_Dir normal = adapt.Plane().Axis().Direction();
|
|
gp_Dir dir = line.Direction().Crossed(normal);
|
|
gp_Pnt pnt = distss.PointOnShape1(i);
|
|
|
|
// from the first edge get a point next to the intersection point
|
|
const TopoDS_Edge& edge1 = TopoDS::Edge(edges.First());
|
|
BRepAdaptor_Curve adapt1(edge1);
|
|
Standard_Real dist1 = adapt1.Value(adapt1.FirstParameter()).SquareDistance(pnt);
|
|
Standard_Real dist2 = adapt1.Value(adapt1.LastParameter()).SquareDistance(pnt);
|
|
gp_Pnt p_eps1;
|
|
if (dist1 < dist2) {
|
|
p_eps1 = adapt1.Value(adapt1.FirstParameter() + 2 * Precision::Confusion());
|
|
}
|
|
else {
|
|
p_eps1 = adapt1.Value(adapt1.LastParameter() - 2 * Precision::Confusion());
|
|
}
|
|
|
|
// from the second edge get a point next to the intersection point
|
|
const TopoDS_Edge& edge2 = TopoDS::Edge(edges.Last());
|
|
BRepAdaptor_Curve adapt2(edge2);
|
|
Standard_Real dist3 = adapt2.Value(adapt2.FirstParameter()).SquareDistance(pnt);
|
|
Standard_Real dist4 = adapt2.Value(adapt2.LastParameter()).SquareDistance(pnt);
|
|
gp_Pnt p_eps2;
|
|
if (dist3 < dist4) {
|
|
p_eps2 = adapt2.Value(adapt2.FirstParameter() + 2 * Precision::Confusion());
|
|
}
|
|
else {
|
|
p_eps2 = adapt2.Value(adapt2.LastParameter() - 2 * Precision::Confusion());
|
|
}
|
|
|
|
// now check if we get a change in the sign of the distances
|
|
Standard_Real dist_p_eps1_pnt = gp_Vec(p_eps1, pnt).Dot(gp_Vec(dir));
|
|
Standard_Real dist_p_eps2_pnt = gp_Vec(p_eps2, pnt).Dot(gp_Vec(dir));
|
|
// distance to the plane must be noticeable
|
|
if (fabs(dist_p_eps1_pnt) > Precision::Confusion()
|
|
&& fabs(dist_p_eps2_pnt) > Precision::Confusion()) {
|
|
if (dist_p_eps1_pnt * dist_p_eps2_pnt < 0) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void ProfileBased::remapSupportShape(const TopoDS_Shape& newShape)
|
|
{
|
|
(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.
|
|
}
|
|
|
|
namespace PartDesign
|
|
{
|
|
struct gp_Pnt_Less
|
|
{
|
|
bool operator()(const gp_Pnt& p1, const gp_Pnt& p2) const
|
|
{
|
|
if (fabs(p1.X() - p2.X()) > Precision::Confusion()) {
|
|
return p1.X() < p2.X();
|
|
}
|
|
if (fabs(p1.Y() - p2.Y()) > Precision::Confusion()) {
|
|
return p1.Y() < p2.Y();
|
|
}
|
|
if (fabs(p1.Z() - p2.Z()) > Precision::Confusion()) {
|
|
return p1.Z() < p2.Z();
|
|
}
|
|
return false; // points are considered to be equal
|
|
}
|
|
};
|
|
} // namespace PartDesign
|
|
|
|
bool ProfileBased::isQuasiEqual(const TopoDS_Shape& s1, const TopoDS_Shape& s2) const
|
|
{
|
|
if (s1.ShapeType() != s2.ShapeType()) {
|
|
return false;
|
|
}
|
|
TopTools_IndexedMapOfShape map1, map2;
|
|
TopExp::MapShapes(s1, TopAbs_VERTEX, map1);
|
|
TopExp::MapShapes(s2, TopAbs_VERTEX, map2);
|
|
if (map1.Extent() != map2.Extent()) {
|
|
return false;
|
|
}
|
|
|
|
std::vector<gp_Pnt> p1;
|
|
for (int i = 1; i <= map1.Extent(); i++) {
|
|
const TopoDS_Vertex& v = TopoDS::Vertex(map1.FindKey(i));
|
|
p1.push_back(BRep_Tool::Pnt(v));
|
|
}
|
|
std::vector<gp_Pnt> p2;
|
|
for (int i = 1; i <= map2.Extent(); i++) {
|
|
const TopoDS_Vertex& v = TopoDS::Vertex(map2.FindKey(i));
|
|
p2.push_back(BRep_Tool::Pnt(v));
|
|
}
|
|
|
|
std::sort(p1.begin(), p1.end(), gp_Pnt_Less());
|
|
std::sort(p2.begin(), p2.end(), gp_Pnt_Less());
|
|
|
|
if (p1.size() != p2.size()) {
|
|
return false;
|
|
}
|
|
|
|
std::vector<gp_Pnt>::iterator it = p1.begin(), jt = p2.begin();
|
|
for (; it != p1.end(); ++it, ++jt) {
|
|
if (!(*it).IsEqual(*jt, Precision::Confusion())) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool ProfileBased::isEqualGeometry(const TopoDS_Shape& s1, const TopoDS_Shape& s2) const
|
|
{
|
|
if (s1.ShapeType() == TopAbs_FACE && s2.ShapeType() == TopAbs_FACE) {
|
|
BRepAdaptor_Surface a1(TopoDS::Face(s1));
|
|
BRepAdaptor_Surface a2(TopoDS::Face(s2));
|
|
if (a1.GetType() == GeomAbs_Plane && a2.GetType() == GeomAbs_Plane) {
|
|
gp_Pln p1 = a1.Plane();
|
|
gp_Pln p2 = a2.Plane();
|
|
if (p1.Distance(p2.Location()) < Precision::Confusion()) {
|
|
const gp_Dir& d1 = p1.Axis().Direction();
|
|
const gp_Dir& d2 = p2.Axis().Direction();
|
|
if (d1.IsParallel(d2, Precision::Confusion())) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (s1.ShapeType() == TopAbs_EDGE && s2.ShapeType() == TopAbs_EDGE) {
|
|
// Do nothing here
|
|
}
|
|
else if (s1.ShapeType() == TopAbs_VERTEX && s2.ShapeType() == TopAbs_VERTEX) {
|
|
gp_Pnt p1 = BRep_Tool::Pnt(TopoDS::Vertex(s1));
|
|
gp_Pnt p2 = BRep_Tool::Pnt(TopoDS::Vertex(s2));
|
|
return p1.Distance(p2) < Precision::Confusion();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool ProfileBased::isParallelPlane(const TopoDS_Shape& s1, const TopoDS_Shape& s2) const
|
|
{
|
|
if (s1.ShapeType() == TopAbs_FACE && s2.ShapeType() == TopAbs_FACE) {
|
|
BRepAdaptor_Surface a1(TopoDS::Face(s1));
|
|
BRepAdaptor_Surface a2(TopoDS::Face(s2));
|
|
if (a1.GetType() == GeomAbs_Plane && a2.GetType() == GeomAbs_Plane) {
|
|
gp_Pln p1 = a1.Plane();
|
|
gp_Pln p2 = a2.Plane();
|
|
const gp_Dir& d1 = p1.Axis().Direction();
|
|
const gp_Dir& d2 = p2.Axis().Direction();
|
|
if (d1.IsParallel(d2, Precision::Confusion())) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
double ProfileBased::getReversedAngle(const Base::Vector3d& b, const Base::Vector3d& v) const
|
|
{
|
|
try {
|
|
Part::Feature* obj = getVerifiedObject();
|
|
TopoShape sketchshape = getTopoShapeVerifiedFace();
|
|
|
|
// get centre of gravity of the sketch face
|
|
GProp_GProps props;
|
|
BRepGProp::SurfaceProperties(sketchshape.getShape(), props);
|
|
gp_Pnt cog = props.CentreOfMass();
|
|
Base::Vector3d p_cog(cog.X(), cog.Y(), cog.Z());
|
|
// get direction to cog from its projection on the revolve axis
|
|
Base::Vector3d perp_dir = p_cog - p_cog.Perpendicular(b, v);
|
|
// get cross product of projection direction with revolve axis direction
|
|
Base::Vector3d cross = v % perp_dir;
|
|
// get sketch vector pointing away from support material
|
|
Base::Placement SketchPos = obj->Placement.getValue();
|
|
Base::Rotation SketchOrientation = SketchPos.getRotation();
|
|
Base::Vector3d SketchNormal(0, 0, 1);
|
|
SketchOrientation.multVec(SketchNormal, SketchNormal);
|
|
|
|
return SketchNormal * cross;
|
|
}
|
|
catch (...) {
|
|
return Reversed.getValue() ? 1 : 0;
|
|
}
|
|
}
|
|
|
|
void ProfileBased::getAxis(
|
|
const App::DocumentObject* pcReferenceAxis,
|
|
const std::vector<std::string>& subReferenceAxis,
|
|
Base::Vector3d& base,
|
|
Base::Vector3d& dir,
|
|
ProfileBased::ForbiddenAxis checkAxis
|
|
) const
|
|
{
|
|
auto verifyAxisFunc =
|
|
[](ProfileBased::ForbiddenAxis checkAxis, const gp_Pln& sketchplane, const gp_Dir& dir) {
|
|
switch (checkAxis) {
|
|
case ForbiddenAxis::NotPerpendicularWithNormal:
|
|
// If perpendicular to the normal then it's parallel to the plane
|
|
if (sketchplane.Axis().Direction().IsNormal(dir, Precision::Angular())) {
|
|
throw Base::ValueError("Axis must not be parallel to the sketch plane");
|
|
}
|
|
break;
|
|
case ForbiddenAxis::NotParallelWithNormal:
|
|
// If parallel with the normal then it's perpendicular to the plane
|
|
if (sketchplane.Axis().Direction().IsParallel(dir, Precision::Angular())) {
|
|
throw Base::ValueError("Axis must not be perpendicular to the sketch plane");
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
};
|
|
|
|
auto getAxisFromEdge = [](const TopoDS_Edge& refEdge, Base::Vector3d& base, Base::Vector3d& dir) {
|
|
if (refEdge.IsNull()) {
|
|
throw Base::ValueError("Failed to extract rotation edge");
|
|
}
|
|
BRepAdaptor_Curve adapt(refEdge);
|
|
gp_Pnt b;
|
|
gp_Dir d;
|
|
if (adapt.GetType() == GeomAbs_Line) {
|
|
b = adapt.Line().Location();
|
|
d = adapt.Line().Direction();
|
|
}
|
|
else if (adapt.GetType() == GeomAbs_Circle) {
|
|
b = adapt.Circle().Location();
|
|
d = adapt.Circle().Axis().Direction();
|
|
}
|
|
else {
|
|
throw Base::TypeError("Edge must be a straight line, circle or arc of circle");
|
|
}
|
|
|
|
base = Base::Vector3d(b.X(), b.Y(), b.Z());
|
|
dir = Base::Vector3d(d.X(), d.Y(), d.Z());
|
|
};
|
|
|
|
dir = Base::Vector3d(0, 0, 0); // If unchanged signals that no valid axis was found
|
|
if (!pcReferenceAxis || subReferenceAxis.empty()) {
|
|
return;
|
|
}
|
|
|
|
App::DocumentObject* profile = Profile.getValue();
|
|
gp_Pln sketchplane;
|
|
|
|
if (profile->isDerivedFrom<Part::Part2DObject>()) {
|
|
Part::Part2DObject* sketch = getVerifiedSketch();
|
|
Base::Placement SketchPlm = sketch->Placement.getValue();
|
|
Base::Vector3d SketchVector = Base::Vector3d(0, 0, 1);
|
|
Base::Rotation SketchOrientation = SketchPlm.getRotation();
|
|
SketchOrientation.multVec(SketchVector, SketchVector);
|
|
Base::Vector3d SketchPos = SketchPlm.getPosition();
|
|
sketchplane = gp_Pln(
|
|
gp_Pnt(SketchPos.x, SketchPos.y, SketchPos.z),
|
|
gp_Dir(SketchVector.x, SketchVector.y, SketchVector.z)
|
|
);
|
|
|
|
if (pcReferenceAxis == profile) {
|
|
bool hasValidAxis = false;
|
|
Base::Axis axis;
|
|
if (subReferenceAxis[0] == "V_Axis") {
|
|
hasValidAxis = true;
|
|
axis = sketch->getAxis(Part::Part2DObject::V_Axis);
|
|
}
|
|
else if (subReferenceAxis[0] == "H_Axis") {
|
|
hasValidAxis = true;
|
|
axis = sketch->getAxis(Part::Part2DObject::H_Axis);
|
|
}
|
|
else if (subReferenceAxis[0] == "N_Axis") {
|
|
hasValidAxis = true;
|
|
axis = sketch->getAxis(Part::Part2DObject::N_Axis);
|
|
}
|
|
else if (subReferenceAxis[0].compare(0, 4, "Axis") == 0) {
|
|
int AxId = std::atoi(subReferenceAxis[0].substr(4, 4000).c_str());
|
|
if (AxId >= 0 && AxId < sketch->getAxisCount()) {
|
|
hasValidAxis = true;
|
|
axis = sketch->getAxis(AxId);
|
|
}
|
|
}
|
|
if (hasValidAxis) {
|
|
axis *= SketchPlm;
|
|
base = axis.getBase();
|
|
dir = axis.getDirection();
|
|
return;
|
|
} // else - an edge of the sketch was selected as an axis
|
|
}
|
|
}
|
|
else if (profile->isDerivedFrom<Part::Feature>()) {
|
|
Base::Placement SketchPlm = getVerifiedObject()->Placement.getValue();
|
|
Base::Vector3d SketchVector = getProfileNormal();
|
|
Base::Vector3d SketchPos = SketchPlm.getPosition();
|
|
sketchplane = gp_Pln(
|
|
gp_Pnt(SketchPos.x, SketchPos.y, SketchPos.z),
|
|
gp_Dir(SketchVector.x, SketchVector.y, SketchVector.z)
|
|
);
|
|
}
|
|
|
|
// get reference axis
|
|
if (pcReferenceAxis->isDerivedFrom<PartDesign::Line>()) {
|
|
const PartDesign::Line* line = static_cast<const PartDesign::Line*>(pcReferenceAxis);
|
|
base = line->getBasePoint();
|
|
dir = line->getDirection();
|
|
|
|
verifyAxisFunc(checkAxis, sketchplane, gp_Dir(dir.x, dir.y, dir.z));
|
|
return;
|
|
}
|
|
|
|
if (pcReferenceAxis->isDerivedFrom<App::Line>()) {
|
|
auto* line = static_cast<const App::Line*>(pcReferenceAxis);
|
|
base = line->getBasePoint();
|
|
dir = line->getDirection();
|
|
|
|
verifyAxisFunc(checkAxis, sketchplane, gp_Dir(dir.x, dir.y, dir.z));
|
|
return;
|
|
}
|
|
|
|
if (pcReferenceAxis->isDerivedFrom<Part::Feature>()) {
|
|
if (subReferenceAxis.empty()) {
|
|
throw Base::ValueError("No rotation axis reference specified");
|
|
}
|
|
const Part::Feature* refFeature = static_cast<const Part::Feature*>(pcReferenceAxis);
|
|
Part::TopoShape refShape = refFeature->Shape.getShape();
|
|
TopoDS_Shape ref;
|
|
try {
|
|
// if an exception is raised then convert it into a FreeCAD-specific exception
|
|
ref = refShape.getSubShape(subReferenceAxis[0].c_str());
|
|
}
|
|
catch (const Standard_Failure& e) {
|
|
throw Base::RuntimeError(e.GetMessageString());
|
|
}
|
|
|
|
if (ref.ShapeType() == TopAbs_EDGE) {
|
|
getAxisFromEdge(TopoDS::Edge(ref), base, dir);
|
|
verifyAxisFunc(checkAxis, sketchplane, gp_Dir(dir.x, dir.y, dir.z));
|
|
return;
|
|
}
|
|
}
|
|
|
|
throw Base::TypeError("Unsupported geometry type to get reference axis");
|
|
}
|
|
|
|
Base::Vector3d ProfileBased::getProfileNormal() const
|
|
{
|
|
|
|
Base::Vector3d SketchVector(0, 0, 1);
|
|
auto obj = getVerifiedObject(true);
|
|
if (!obj) {
|
|
return SketchVector;
|
|
}
|
|
|
|
// get the Sketch plane
|
|
if (obj->isDerivedFrom<Part::Part2DObject>()) {
|
|
Base::Placement SketchPos = obj->Placement.getValue();
|
|
Base::Rotation SketchOrientation = SketchPos.getRotation();
|
|
SketchOrientation.multVec(SketchVector, SketchVector);
|
|
return SketchVector;
|
|
}
|
|
|
|
// For newer version, do not do fitting, as it may flip the face normal for
|
|
// some reason.
|
|
TopoShape shape = getTopoShapeVerifiedFace(true, true, true); //, _ProfileBasedVersion.getValue()
|
|
//<= 0);
|
|
|
|
if (shape.isNull()) {
|
|
return SketchVector;
|
|
}
|
|
|
|
gp_Pln pln;
|
|
if (shape.findPlane(pln)) {
|
|
gp_Dir dir = pln.Axis().Direction();
|
|
return Base::Vector3d(dir.X(), dir.Y(), dir.Z());
|
|
}
|
|
|
|
if (shape.hasSubShape(TopAbs_EDGE)) {
|
|
// Find the first planar face that contains the edge, and return the plane normal
|
|
TopoShape objShape = Part::Feature::getTopoShape(
|
|
obj,
|
|
Part::ShapeOption::ResolveLink | Part::ShapeOption::Transform
|
|
);
|
|
for (int idx : objShape.findAncestors(shape.getSubShape(TopAbs_EDGE, 1), TopAbs_FACE)) {
|
|
if (objShape.getSubTopoShape(TopAbs_FACE, idx).findPlane(pln)) {
|
|
gp_Dir dir = pln.Axis().Direction();
|
|
return Base::Vector3d(dir.X(), dir.Y(), dir.Z());
|
|
}
|
|
}
|
|
}
|
|
|
|
// If no planar face, try to use the normal of the center of the first face.
|
|
if (shape.hasSubShape(TopAbs_FACE)) {
|
|
TopoDS_Face face = TopoDS::Face(shape.getSubShape(TopAbs_FACE, 1));
|
|
BRepAdaptor_Surface adapt(face);
|
|
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(face).Normal(u, v, pnt, vec);
|
|
return Base::Vector3d(vec.X(), vec.Y(), vec.Z());
|
|
}
|
|
}
|
|
|
|
if (!shape.hasSubShape(TopAbs_EDGE)) {
|
|
return SketchVector;
|
|
}
|
|
|
|
// If the shape is a line, then return an arbitrary direction that is perpendicular to the line
|
|
auto geom = Part::Geometry::fromShape(shape.getSubShape(TopAbs_EDGE, 1), true);
|
|
auto geomLine = freecad_cast<Part::GeomLine*>(geom.get());
|
|
if (geomLine) {
|
|
Base::Vector3d dir = geomLine->getDir();
|
|
double x = std::fabs(dir.x);
|
|
double y = std::fabs(dir.y);
|
|
double z = std::fabs(dir.z);
|
|
if (x > y && x > z && x > 1e-7) {
|
|
if (y + z < 1e-7) {
|
|
return Base::Vector3d(0, 0, 1);
|
|
}
|
|
dir.x = -(dir.z + dir.y) / dir.x;
|
|
}
|
|
else if (y > x && y > z && y > 1e-7) {
|
|
if (x + z < 1e-7) {
|
|
return Base::Vector3d(0, 0, 1);
|
|
}
|
|
dir.y = -(dir.z + dir.x) / dir.y;
|
|
}
|
|
else if (z > 1e-7) {
|
|
if (x + y < 1e-7) {
|
|
return Base::Vector3d(1, 0, 0);
|
|
}
|
|
dir.z = -(dir.x + dir.y) / dir.z;
|
|
}
|
|
else {
|
|
return SketchVector;
|
|
}
|
|
return dir.Normalize();
|
|
}
|
|
return SketchVector;
|
|
}
|
|
|
|
void ProfileBased::Restore(Base::XMLReader& reader)
|
|
{
|
|
PartDesign::FeatureAddSub::Restore(reader);
|
|
}
|
|
|
|
void ProfileBased::handleChangedPropertyName(
|
|
Base::XMLReader& reader,
|
|
const char* TypeName,
|
|
const char* PropName
|
|
)
|
|
{
|
|
// check if we load the old sketch property
|
|
if ((strcmp("Sketch", PropName) == 0) && (strcmp("App::PropertyLink", TypeName) == 0)) {
|
|
|
|
std::vector<std::string> vec;
|
|
// read my element
|
|
reader.readElement("Link");
|
|
// get the value of my attribute
|
|
std::string name = reader.getAttribute<const char*>("value");
|
|
|
|
if (!name.empty()) {
|
|
App::Document* document = getDocument();
|
|
DocumentObject* object = document ? document->getObject(name.c_str()) : nullptr;
|
|
Profile.setValue(object, vec);
|
|
}
|
|
else {
|
|
Profile.setValue(nullptr, vec);
|
|
}
|
|
}
|
|
else {
|
|
PartDesign::FeatureAddSub::handleChangedPropertyName(reader, TypeName, PropName);
|
|
}
|
|
}
|