void Feature::onChanged(const App::Property* prop)
{
    // if the placement has changed apply the change to the point data as well
    if (prop == &this->Placement) {
        TopoShape& shape = const_cast<TopoShape&>(this->Shape.getShape());
        shape.setTransform(this->Placement.getValue().toMatrix());
    }
    // if the point data has changed check and adjust the transformation as well
    else if (prop == &this->Shape) {
        if (this->isRecomputing()) {
            TopoShape& shape = const_cast<TopoShape&>(this->Shape.getShape());
            shape.setTransform(this->Placement.getValue().toMatrix());
        }
        else {
            Base::Placement p;
            // shape must not be null to override the placement
            if (!this->Shape.getValue().IsNull()) {
                p.fromMatrix(this->Shape.getShape().getTransform());
                if (p != this->Placement.getValue())
                    this->Placement.setValue(p);
            }
        }
    }

    GeoFeature::onChanged(prop);
}
Exemple #2
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void Feature::onChanged(const App::Property* prop)
{
    // if the placement has changed apply the change to the point data as well
    if (prop == &this->Placement) {
        PointKernel& pts = const_cast<PointKernel&>(this->Points.getValue());
        pts.setTransform(this->Placement.getValue().toMatrix());
    }
    // if the point data has changed check and adjust the transformation as well
    else if (prop == &this->Points) {
        Base::Placement p;
        p.fromMatrix(this->Points.getValue().getTransform());
        if (p != this->Placement.getValue())
            this->Placement.setValue(p);
    }
    
    GeoFeature::onChanged(prop);
}
Exemple #3
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void Feature::onChanged(const App::Property* prop)
{
    // if the placement has changed apply the change to the mesh data as well
    if (prop == &this->Placement) {
        MeshObject& mesh = const_cast<MeshObject&>(this->Mesh.getValue());
        mesh.setTransform(this->Placement.getValue().toMatrix());
    }
    // if the mesh data has changed check and adjust the transformation as well
    else if (prop == &this->Mesh) {
        Base::Placement p;
        p.fromMatrix(this->Mesh.getValue().getTransform());
        if (p != this->Placement.getValue())
            this->Placement.setValue(p);
    }

    // Note: If the Mesh property has changed the property and this object are marked as 'touched'
    // but no recomputation of this objects needs to be done because the Mesh property is regarded
    // as output of a previous recomputation The mustExecute() method returns 0 in that case. 
    // However, objects that reference this object the Mesh property can be an input parameter.
    // As this object and the property are touched such objects can check this and return a value 1 
    // (or -1) in their mustExecute() to be recomputed the next time the document recomputes itself.
    DocumentObject::onChanged(prop);
}