File size: 5,631 Bytes
985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 | /***************************************************************************
* Copyright (c) 2013 Jan Rheinländer *
* <jrheinlaender@users.sourceforge.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 <BRepAdaptor_Curve.hxx>
#include <BRepAdaptor_Surface.hxx>
#include <TopoDS.hxx>
#include <Mod/Part/App/PartFeature.h>
#include "FemConstraintBearing.h"
#include "FemTools.h"
using namespace Fem;
PROPERTY_SOURCE(Fem::ConstraintBearing, Fem::Constraint)
ConstraintBearing::ConstraintBearing()
{
ADD_PROPERTY_TYPE(
Location,
(nullptr),
"ConstraintBearing",
(App::PropertyType)(App::Prop_None),
"Element giving axial location of constraint"
);
ADD_PROPERTY(Dist, (0.0));
ADD_PROPERTY(AxialFree, (0));
ADD_PROPERTY(Radius, (0.0));
ADD_PROPERTY(Height, (0.0));
ADD_PROPERTY_TYPE(
BasePoint,
(Base::Vector3d(0, 0, 0)),
"ConstraintBearing",
App::PropertyType(App::Prop_ReadOnly | App::Prop_Output),
"Base point of cylindrical bearing seat"
);
ADD_PROPERTY_TYPE(
Axis,
(Base::Vector3d(0, 1, 0)),
"ConstraintBearing",
App::PropertyType(App::Prop_ReadOnly | App::Prop_Output),
"Axis of bearing seat"
);
}
App::DocumentObjectExecReturn* ConstraintBearing::execute()
{
return Constraint::execute();
}
void ConstraintBearing::onChanged(const App::Property* prop)
{
// Note: If we call this at the end, then the symbol is not oriented correctly initially
// because the NormalDirection has not been calculated yet
Constraint::onChanged(prop);
if (prop == &References) {
// Find data of cylinder
std::vector<App::DocumentObject*> ref = References.getValues();
std::vector<std::string> subRef = References.getSubValues();
if (ref.empty()) {
return;
}
Part::Feature* feat = static_cast<Part::Feature*>(ref.front());
TopoDS_Shape sh = Tools::getFeatureSubShape(feat, subRef.front().c_str(), true);
double radius, height;
Base::Vector3d base, axis;
if (sh.IsNull() || !Tools::getCylinderParams(sh, base, axis, height, radius)) {
return;
}
Radius.setValue(radius);
Axis.setValue(axis);
Height.setValue(height);
// Update base point
base = base + axis * height / 2;
if (Location.getValue()) {
base = getBasePoint(base, axis, Location, Dist.getValue());
}
BasePoint.setValue(base);
BasePoint.touch(); // This triggers ViewProvider::updateData()
}
else if ((prop == &Location) || (prop == &Dist)) {
App::DocumentObject* obj = Location.getValue();
std::vector<std::string> names = Location.getSubValues();
if (names.empty()) {
return;
}
std::string subName = names.front();
Part::Feature* feat = static_cast<Part::Feature*>(obj);
TopoDS_Shape sh = feat->Shape.getShape().getSubShape(subName.c_str());
if (sh.ShapeType() == TopAbs_FACE) {
BRepAdaptor_Surface surface(TopoDS::Face(sh));
if (surface.GetType() != GeomAbs_Plane) {
return; // "Location must be a planar face or linear edge"
}
}
else if (sh.ShapeType() == TopAbs_EDGE) {
BRepAdaptor_Curve line(TopoDS::Edge(sh));
if (line.GetType() != GeomAbs_Line) {
return; // "Location must be a planar face or linear edge"
}
}
std::vector<App::DocumentObject*> ref = References.getValues();
std::vector<std::string> subRef = References.getSubValues();
if (ref.empty()) {
return;
}
feat = static_cast<Part::Feature*>(ref.front());
sh = Tools::getFeatureSubShape(feat, subRef.front().c_str(), true);
double radius, height;
Base::Vector3d base, axis;
if (!Tools::getCylinderParams(sh, base, axis, height, radius)) {
return;
}
BasePoint.setValue(base);
BasePoint.touch();
}
}
|