FEM Post: Move post processing to fem objects

src/Mod/Fem/App/FemPostObject.h

@@ -0,0 +1,72 @@
+/***************************************************************************
+ *   Copyright (c) 2015 Stefan Tröger <stefantroeger@gmx.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                                *
+ *                                                                         *
+ ***************************************************************************/
+
+
+#ifndef Fem_FemPostObject_H
+#define Fem_FemPostObject_H
+
+#include <App/GeoFeature.h>
+
+#include <vtkSmartPointer.h>
+#include <vtkPolyDataAlgorithm.h>
+
+namespace Fem
+{
+
+//poly data is the only data we can visualize, hence every post processing object needs to expose it
+class AppFemExport FemPostObject : public App::GeoFeature
+{
+    PROPERTY_HEADER(Fem::FemPostObject);
+
+public:
+    /// Constructor
+    FemPostObject(void);
+    virtual ~FemPostObject();
+    
+    App::PropertyInteger ModificationTime;
+
+    /// returns the type name of the ViewProvider
+    virtual const char* getViewProviderName(void) const {
+        return "FemGui::ViewProviderFemPostObject";
+    }
+    
+    short mustExecute(void) const;
+    virtual App::DocumentObjectExecReturn* execute(void);
+    
+    PyObject* getPyObject();
+    
+    //get the algorithm or the data
+    vtkPolyData*                                getPolyData() {return polyDataSource->GetOutput();};
+    vtkSmartPointer<vtkPolyDataAlgorithm>       getPolyAlgorithm() {return polyDataSource;};
+    
+
+protected:
+    virtual void onChanged(const App::Property* prop);
+    
+    //members
+    vtkSmartPointer<vtkPolyDataAlgorithm> polyDataSource;
+};
+
+} //namespace Fem
+
+
+#endif // Fem_FemPostObject_H