Sketcher: new attachment engine

This commit is contained in:
DeepSOIC
2015-06-29 20:27:52 +03:00
committed by Stefan Tröger
parent 1b754d35c5
commit 93fff0e65f
9 changed files with 1565 additions and 181 deletions

View File

@@ -59,7 +59,7 @@ const int Part2DObject::H_Axis = -1;
const int Part2DObject::V_Axis = -2;
const int Part2DObject::N_Axis = -3;
PROPERTY_SOURCE(Part::Part2DObject, Part::Feature)
PROPERTY_SOURCE(Part::Part2DObject, Part::AttachableObject)
Part2DObject::Part2DObject()
@@ -69,170 +69,7 @@ Part2DObject::Part2DObject()
App::DocumentObjectExecReturn *Part2DObject::execute(void)
{
return App::DocumentObject::StdReturn;
}
void Part2DObject::positionBySupport(void)
{
AttachableObject::positionBySupport();
return;
/*
// recalculate support:
Base::Placement Place;
TopoDS_Shape sh;
bool Reverse = false;
gp_Pln plane;
App::DocumentObject* support = Support.getValues();
if (support == NULL)
return;
if (support->getTypeId().isDerivedFrom(App::Plane::getClassTypeId())) {
// Find the name of the Baseplane without having to access PartDesignGui::BaseplaneNames[]
Place = static_cast<App::Plane*>(support)->Placement.getValue();
Base::Vector3d dir;
Place.getRotation().multVec(Base::Vector3d(0,0,1),dir);
const std::vector<std::string> &sub = Support.getSubValues();
if (!sub.empty() && (sub[0] == "back"))
Reverse = true;
// Set placement identical to the way it used to be done in the Sketcher::SketchOrientationDialog
if (dir == Base::Vector3d(0,0,1)) {
if (Reverse)
Place = Base::Placement(Base::Vector3d(0,0,0),Base::Rotation(-1.0, 0.0,0.0,0.0));
else
Place = Base::Placement(Base::Vector3d(0,0,0),Base::Rotation());
} else if (dir == Base::Vector3d(0,1,0)) {
if (Reverse)
Place = Base::Placement(Base::Vector3d(0,0,0),Base::Rotation(Base::Vector3d(0,sqrt(2.0)/2.0,sqrt(2.0)/2.0),M_PI));
else
Place = Base::Placement(Base::Vector3d(0,0,0),Base::Rotation(Base::Vector3d(-1,0,0),1.5*M_PI));
} else if (dir == Base::Vector3d(1,0,0)) {
Place = Base::Placement(Base::Vector3d(0,0,0),Base::Rotation(Reverse ? -0.5 : 0.5,0.5,0.5, Reverse ? -0.5 : 0.5));
}
if (Reverse) {
dir *= -1.0;
Reverse = false; // We already reversed...
}
Place.getRotation().multVec(Base::Vector3d(0,0,1),dir);
Base::Vector3d pos = Place.getPosition();
plane = gp_Pln(gp_Pnt(pos.x, pos.y, pos.z), gp_Dir(dir.x, dir.y, dir.z));
} else if (support->getTypeId().isDerivedFrom(Part::Datum::getClassTypeId())) {
const std::vector<std::string> &sub = Support.getSubValues();
assert(sub.size()==1);
Part::Datum* pcDatum = static_cast<Part::Datum*>(support);
Place = pcDatum->Placement.getValue();
Base::Vector3d dir;
Place.getRotation().multVec(Base::Vector3d(0,0,1),dir);
if (!sub.empty() && (sub[0] == "back"))
dir *= -1.0;
Base::Vector3d pos = Place.getPosition();
plane = gp_Pln(gp_Pnt(pos.x, pos.y, pos.z), gp_Dir(dir.x, dir.y, dir.z));
} else {
Part::Feature *part = static_cast<Part::Feature*>(support);
if (!part || !part->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()))
return;
Place = part->Placement.getValue();
const std::vector<std::string> &sub = Support.getSubValues();
assert(sub.size()==1);
// get the selected sub shape (a Face)
const Part::TopoShape &shape = part->Shape.getShape();
if (shape._Shape.IsNull())
throw Base::Exception("Support shape is empty!");
try {
sh = shape.getSubShape(sub[0].c_str());
}
catch (Standard_Failure) {
throw Base::Exception("Face in support shape doesn't exist!");
}
const TopoDS_Face &face = TopoDS::Face(sh);
if (face.IsNull())
throw Base::Exception("Null face in Part2DObject::positionBySupport()!");
BRepAdaptor_Surface adapt(face);
if (adapt.GetType() != GeomAbs_Plane)
throw Base::Exception("No planar face in Part2DObject::positionBySupport()!");
if (face.Orientation() == TopAbs_REVERSED)
Reverse = true;
plane = adapt.Plane();
Standard_Boolean ok = plane.Direct();
if (!ok) {
// toggle if plane has a left-handed coordinate system
plane.UReverse();
Reverse = !Reverse;
}
}
gp_Ax1 Normal = plane.Axis();
if (Reverse)
Normal.Reverse();
gp_Pnt ObjOrg(Place.getPosition().x,Place.getPosition().y,Place.getPosition().z);
Handle (Geom_Plane) gPlane = new Geom_Plane(plane);
GeomAPI_ProjectPointOnSurf projector(ObjOrg,gPlane);
gp_Pnt SketchBasePoint = projector.NearestPoint();
gp_Dir dir = Normal.Direction();
gp_Ax3 SketchPos;
Base::Vector3d dX,dY,dZ;
Place.getRotation().multVec(Base::Vector3d(1,0,0),dX);
Place.getRotation().multVec(Base::Vector3d(0,1,0),dY);
Place.getRotation().multVec(Base::Vector3d(0,0,1),dZ);
gp_Dir dirX(dX.x, dX.y, dX.z);
gp_Dir dirY(dY.x, dY.y, dY.z);
gp_Dir dirZ(dZ.x, dZ.y, dZ.z);
double cosNX = dir.Dot(dirX);
double cosNY = dir.Dot(dirY);
double cosNZ = dir.Dot(dirZ);
std::vector<double> cosXYZ;
cosXYZ.push_back(fabs(cosNX));
cosXYZ.push_back(fabs(cosNY));
cosXYZ.push_back(fabs(cosNZ));
int pos = std::max_element(cosXYZ.begin(), cosXYZ.end()) - cosXYZ.begin();
// +X/-X
if (pos == 0) {
if (cosNX > 0)
SketchPos = gp_Ax3(SketchBasePoint, dir, dirY);
else
SketchPos = gp_Ax3(SketchBasePoint, dir, -dirY);
}
// +Y/-Y
else if (pos == 1) {
if (cosNY > 0)
SketchPos = gp_Ax3(SketchBasePoint, dir, -dirX);
else
SketchPos = gp_Ax3(SketchBasePoint, dir, dirX);
}
// +Z/-Z
else {
SketchPos = gp_Ax3(SketchBasePoint, dir, dirX);
}
gp_Trsf Trf;
Trf.SetTransformation(SketchPos);
Trf.Invert();
Trf.SetScaleFactor(Standard_Real(1.0));
Base::Matrix4D mtrx;
TopoShape::convertToMatrix(Trf,mtrx);
// check the angle against the Z Axis
//Standard_Real a = Normal.Angle(gp_Ax1(gp_Pnt(0,0,0),gp_Dir(0,0,1)));
Placement.setValue(Base::Placement(mtrx));
*/
return AttachableObject::execute();
}
void Part2DObject::transformPlacement(const Base::Placement &transform)
@@ -240,8 +77,9 @@ void Part2DObject::transformPlacement(const Base::Placement &transform)
if (Support.getValues().size() > 0) {
//part->transformPlacement(transform);
positionBySupport();
} else
} else {
GeoFeature::transformPlacement(transform);
}
}
int Part2DObject::getAxisCount(void) const
@@ -370,14 +208,6 @@ void Part2DObject::acceptGeometry()
// implemented in sub-classes
}
void Part2DObject::onChanged(const App::Property* prop)
{
// Update the Placement if the Support changes
if ((prop == &Support) && (Support.getValues().size() > 0))
positionBySupport();
Part::Feature::onChanged(prop);
}
// Python Drawing feature ---------------------------------------------------------
namespace App {