MeteoIODoc  2.10.0
ProcIIR.h
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1 // SPDX-License-Identifier: LGPL-3.0-or-later
2 /***********************************************************************************/
3 /* Copyright 2009 WSL Institute for Snow and Avalanche Research SLF-DAVOS */
4 /***********************************************************************************/
5 /* This file is part of MeteoIO.
6  MeteoIO is free software: you can redistribute it and/or modify
7  it under the terms of the GNU Lesser General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10 
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13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  GNU Lesser General Public License for more details.
15 
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17  along with MeteoIO. If not, see <http://www.gnu.org/licenses/>.
18 */
19 #ifndef PROCIIR_H
20 #define PROCIIR_H
21 
23 #include <vector>
24 #include <string>
25 
26 namespace mio {
27 
55 class ProcIIR : public ProcessingBlock {
56  public:
57  ProcIIR(const std::vector< std::pair<std::string, std::string> >& vecArgs, const std::string& name, const Config& cfg);
58 
59  virtual void process(const unsigned int& param, const std::vector<MeteoData>& ivec,
60  std::vector<MeteoData>& ovec);
61 
62  private:
63  typedef enum IIR_TYPE {
64  BUTTERWORTH,
65  CRITICALLY_DAMPED,
66  BESSEL
67  } IIR_Type;
68 
69  static void getFilterParameters(const IIR_Type& i_type, const bool& isLowPass, const double& n, double &i_g, double &i_p, double &i_c);
70  static double filterPoint(const double& raw_val, const double A[3], const double B[3], std::vector<double> &X, std::vector<double> &Y);
71  void computeCoefficients(const double& fs, const double& f0, double A[3], double B[3]) const;
72 
73  void parse_args(const std::vector< std::pair<std::string, std::string> >& vecArgs);
74 
75  double cutoff;
76  double g, p, c;
77  IIR_Type type;
78  bool bidirectional, low_pass;
79 };
80 
81 } //end namespace
82 
83 #endif
A class that reads a key/value file. These files (typically named *.ini) follow the INI file format s...
Definition: Config.h:79
Infinite Impulse Response (IIR) filter.
Definition: ProcIIR.h:55
virtual void process(const unsigned int &param, const std::vector< MeteoData > &ivec, std::vector< MeteoData > &ovec)
Definition: ProcIIR.cc:37
ProcIIR(const std::vector< std::pair< std::string, std::string > > &vecArgs, const std::string &name, const Config &cfg)
Definition: ProcIIR.cc:27
The base class for all filters that provides the interface and a few helper methods.
Definition: ProcessingBlock.h:67
Definition: Config.cc:30