wind_history.h

/******************************************************************************
 * $Id: wind_history.h, v1.0 2010/08/30 tom-r Exp $
 *
 * Project:  OpenCPN
 * Purpose:  Dashboard Plugin
 * Author:   Thomas Rauch
 *
 ***************************************************************************
 *   Copyright (C) 2010 by David S. Register   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,  USA.             *
 ***************************************************************************
 */
 
#ifndef __WIND_HISTORY_H__
#define __WIND_HISTORY_H__
 
// For compilers that support precompilation, includes "wx/wx.h".
#include <wx/wxprec.h>
 
#ifdef __BORLANDC__
#pragma hdrstop
#endif
 
// for all others, include the necessary headers (this file is usually all you
// need because it includes almost all "standard" wxWidgets headers)
#ifndef WX_PRECOMP
#include <wx/wx.h>
#endif
 
// Warn: div by 0 if count == 1
#define WIND_RECORD_COUNT 2000
 
#include "instrument.h"
#include "dial.h"
 
class DashboardInstrument_WindDirHistory : public DashboardInstrument {
public:
  DashboardInstrument_WindDirHistory(wxWindow* parent, wxWindowID id,
                                     wxString title,
                                     InstrumentProperties* Properties);
  ~DashboardInstrument_WindDirHistory(void) {}
  void SetData(DASH_CAP, double, wxString);
  wxSize GetSize(int orient, wxSize hint);
 
private:
  int m_soloInPane;
  int m_SpdRecCnt, m_DirRecCnt, m_SpdStartVal, m_DirStartVal;
  int m_isNULL;
  int m_WindDirShift;
 
protected:
  double alpha;
  double m_ArrayWindDirHistory[WIND_RECORD_COUNT];
  double m_ArrayWindSpdHistory[WIND_RECORD_COUNT];
  double m_ExpSmoothArrayWindSpd[WIND_RECORD_COUNT];
  double m_ExpSmoothArrayWindDir[WIND_RECORD_COUNT];
  wxDateTime::Tm m_ArrayRecTime[WIND_RECORD_COUNT];
 
  double m_MaxWindDir;
  double m_MinWindDir;
  double m_WindDirRange;
  double m_MaxWindSpd;       //...in array
  double m_TotalMaxWindSpd;  // since O is started
  double m_WindDir;
  double m_WindSpd;
  double m_MaxWindSpdScale;
  double m_ratioW;
  double m_oldDirVal;
  bool m_IsRunning;
  int m_SampleCount;
  wxString m_WindSpeedUnit;
  int m_SetNewData;  // No need for data every second
  int speedw, degw, degh;
 
  wxRect m_WindowRect;
  wxRect m_DrawAreaRect;  // the coordinates of the real darwing area
  int m_DrawingWidth, m_TopLineHeight, m_DrawingHeight;
  int m_width, m_height;
  int m_LeftLegend, m_RightLegend;
  int m_currSec, m_lastSec, m_SpdCntperSec, m_DirCntperSec;
  double m_cntSpd, m_cntDir, m_avgSpd, m_avgDir;
 
  void Draw(wxGCDC* dc);
  void DrawBackground(wxGCDC* dc);
  void DrawForeground(wxGCDC* dc);
  void SetMinMaxWindScale();
  void DrawWindDirScale(wxGCDC* dc);
  void DrawWindSpeedScale(wxGCDC* dc);
  void ResetData();
  wxString GetWindDirStr(wxString WindDir);
};
 
#endif  // __WIND_HISTORY_H__