1 // digitalfilter.hxx - a selection of digital filters
3 // Written by Torsten Dreyer
4 // Based heavily on work created by Curtis Olson, started January 2004.
6 // Copyright (C) 2004 Curtis L. Olson - http://www.flightgear.org/~curt
7 // Copyright (C) 2010 Torsten Dreyer - Torsten (at) t3r (dot) de
9 // This program is free software; you can redistribute it and/or
10 // modify it under the terms of the GNU General Public License as
11 // published by the Free Software Foundation; either version 2 of the
12 // License, or (at your option) any later version.
14 // This program is distributed in the hope that it will be useful, but
15 // WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 // General Public License for more details.
19 // You should have received a copy of the GNU General Public License
20 // along with this program; if not, write to the Free Software
21 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
23 #ifndef __DIGITALFILTER_HXX
24 #define __DIGITALFILTER_HXX 1
30 #include "analogcomponent.hxx"
32 namespace FGXMLAutopilot {
35 * brief@ DigitalFilter - a selection of digital filters
38 class DigitalFilter : public AnalogComponent
41 SGSharedPtr<class DigitalFilterImplementation> _implementation;
50 bool configure( const std::string & nodeName, SGPropertyNode_ptr configNode);
51 void update( bool firstTime, double dt);
54 InputValueList _samples;
55 InputValueList _rateOfChange;
57 InitializeTo _initializeTo;
65 } // namespace FGXMLAutopilot