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* 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 *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* 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 <Base/Tools.h>
#include <Mod/Part/App/PartFeature.h>
#include "FemConstraintTransform.h"
#include "FemTools.h"
using namespace Fem;
PROPERTY_SOURCE(Fem::ConstraintTransform, Fem::Constraint)
static const char* TransformTypes[] = {"Cylindrical", "Rectangular", nullptr};
ConstraintTransform::ConstraintTransform()
{
ADD_PROPERTY_TYPE(
Rotation,
(Base::Rotation(0.0, 0.0, 0.0, 1.0)),
"ConstraintTransform",
App::Prop_Output,
"Rectangular system transform"
);
ADD_PROPERTY_TYPE(
TransformType,
(1),
"ConstraintTransform",
(App::PropertyType)(App::Prop_None),
"Type of transform, rectangular or cylindrical"
);
TransformType.setEnums(TransformTypes);
ADD_PROPERTY_TYPE(
RefDispl,
(nullptr, nullptr),
"ConstraintTransform",
(App::PropertyType)(App::Prop_None),
"Elements where the constraint is applied"
);
// RefDispl must get a global scope, see
// https://forum.freecad.org/viewtopic.php?p=671402#p671402
RefDispl.setScope(App::LinkScope::Global);
ADD_PROPERTY_TYPE(
NameDispl,
(nullptr),
"ConstraintTransform",
(App::PropertyType)(App::Prop_None),
"Elements where the constraint is applied"
);
ADD_PROPERTY_TYPE(
BasePoint,
(Base::Vector3d(0, 0, 0)),
"ConstraintTransform",
App::PropertyType(App::Prop_ReadOnly | App::Prop_Output),
"Base point of cylindrical surface"
);
ADD_PROPERTY_TYPE(
Axis,
(Base::Vector3d(0, 1, 0)),
"ConstraintTransform",
App::PropertyType(App::Prop_ReadOnly | App::Prop_Output),
"Axis of cylindrical surface"
);
}
App::DocumentObjectExecReturn* ConstraintTransform::execute()
{
return Constraint::execute();
}
const char* ConstraintTransform::getViewProviderName() const
{
return "FemGui::ViewProviderFemConstraintTransform";
}
void ConstraintTransform::onChanged(const App::Property* prop)
{
if (prop == &References) {
std::string transform_type = TransformType.getValueAsString();
if (transform_type == "Cylindrical") {
// Extract geometry from References
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);
Base::Vector3d axis, base;
double height, radius;
if (!Tools::getCylinderParams(sh, base, axis, height, radius)) {
return;
}
BasePoint.setValue(base);
Axis.setValue(axis);
}
}
Constraint::onChanged(prop);
}
namespace
{
Base::Rotation anglesToRotation(double xAngle, double yAngle, double zAngle)
{
static Base::Vector3d a(1, 0, 0);
static Base::Vector3d b(0, 1, 0);
static int count = 0;
double xRad = Base::toRadians(xAngle);
double yRad = Base::toRadians(yAngle);
double zRad = Base::toRadians(zAngle);
if (xAngle != 0) {
a[1] = 0;
a[2] = 0;
b[1] = std::cos(xRad);
b[2] = -std::sin(xRad);
}
if (yAngle != 0) {
a[0] = std::cos(yRad);
a[2] = std::sin(yRad);
b[0] = 0;
b[2] = 0;
}
if (zAngle != 0) {
a[0] = std::cos(zRad);
a[1] = -std::sin(zRad);
b[0] = 0;
b[1] = 0;
}
++count;
count %= 3;
if (!count) {
Base::Vector3d X = a.Normalize();
Base::Vector3d Y = b.Normalize();
Base::Vector3d Z = X.Cross(Y);
Z.Normalize();
Y = Z.Cross(X);
a.x = 1;
a.y = 0;
a.z = 0;
b.x = 0;
b.y = 1;
b.z = 0;
Base::Matrix4D m;
m.setCol(0, X);
m.setCol(1, Y);
m.setCol(2, Z);
return Base::Rotation(m);
}
return Base::Rotation();
}
} // namespace
void ConstraintTransform::handleChangedPropertyName(
Base::XMLReader& reader,
const char* typeName,
const char* propName
)
{
if (strcmp(propName, "X_rot") == 0) {
double xAngle {};
if (strcmp(typeName, "App::PropertyFloat") == 0) {
App::PropertyFloat X_rotProperty;
X_rotProperty.Restore(reader);
xAngle = X_rotProperty.getValue();
}
else if (strcmp(typeName, "App::PropertyAngle") == 0) {
App::PropertyAngle X_rotProperty;
X_rotProperty.Restore(reader);
xAngle = X_rotProperty.getValue();
}
anglesToRotation(xAngle, 0, 0);
}
else if (strcmp(propName, "Y_rot") == 0) {
double yAngle {};
if (strcmp(typeName, "App::PropertyFloat") == 0) {
App::PropertyFloat Y_rotProperty;
Y_rotProperty.Restore(reader);
yAngle = Y_rotProperty.getValue();
}
else if (strcmp(typeName, "App::PropertyAngle") == 0) {
App::PropertyAngle Y_rotProperty;
Y_rotProperty.Restore(reader);
yAngle = Y_rotProperty.getValue();
}
anglesToRotation(0, yAngle, 0);
}
else if (strcmp(propName, "Z_rot") == 0) {
double zAngle {};
if (strcmp(typeName, "App::PropertyFloat") == 0) {
App::PropertyFloat Z_rotProperty;
Z_rotProperty.Restore(reader);
zAngle = Z_rotProperty.getValue();
}
else if (strcmp(typeName, "App::PropertyAngle") == 0) {
App::PropertyAngle Z_rotProperty;
Z_rotProperty.Restore(reader);
zAngle = Z_rotProperty.getValue();
}
Rotation.setValue(anglesToRotation(0, 0, zAngle));
}
else {
Constraint::handleChangedPropertyName(reader, typeName, propName);
}
}
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