Files
create/src/Mod/Fem/App/FemConstraintPressure.cpp

95 lines
4.0 KiB
C++

/***************************************************************************
* Copyright (c) 2015 FreeCAD Developers *
* Author: Przemo Firszt <przemo@firszt.eu> *
* Based on Force constraint by Jan Rheinländer *
* 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 "PreCompiled.h"
#include "FemConstraintPressure.h"
using namespace Fem;
PROPERTY_SOURCE(Fem::ConstraintPressure, Fem::Constraint)
ConstraintPressure::ConstraintPressure()
{
ADD_PROPERTY(Pressure, (0.0));
ADD_PROPERTY(Reversed, (0));
ADD_PROPERTY_TYPE(Points,
(Base::Vector3d()),
"ConstraintPressure",
App::PropertyType(App::Prop_ReadOnly | App::Prop_Output),
"Points where arrows are drawn");
ADD_PROPERTY_TYPE(Normals,
(Base::Vector3d()),
"ConstraintPressure",
App::PropertyType(App::Prop_ReadOnly | App::Prop_Output),
"Normals where symbols are drawn");
Points.setValues(std::vector<Base::Vector3d>());
Normals.setValues(std::vector<Base::Vector3d>());
}
App::DocumentObjectExecReturn* ConstraintPressure::execute()
{
return Constraint::execute();
}
const char* ConstraintPressure::getViewProviderName() const
{
return "FemGui::ViewProviderFemConstraintPressure";
}
void ConstraintPressure::handleChangedPropertyType(Base::XMLReader& reader,
const char* TypeName,
App::Property* prop)
{
// property Pressure had App::PropertyFloat and was changed to App::PropertyPressure
if (prop == &Pressure && strcmp(TypeName, "App::PropertyFloat") == 0) {
App::PropertyFloat PressureProperty;
// restore the PropertyFloat to be able to set its value
PressureProperty.Restore(reader);
// the old implementation or pressure stored the value as MPa
// therefore we must convert the value with a factor 1000
Pressure.setValue(PressureProperty.getValue() * 1000.0);
}
}
void ConstraintPressure::onChanged(const App::Property* prop)
{
Constraint::onChanged(prop);
if (prop == &References) {
std::vector<Base::Vector3d> points;
std::vector<Base::Vector3d> normals;
int scale = Scale.getValue();
if (getPoints(points, normals, &scale)) {
Points.setValues(points);
Normals.setValues(normals);
Scale.setValue(scale);
Points.touch();
}
}
else if (prop == &Reversed) {
Points.touch();
}
}