source: ntrip/trunk/BNC/bncfigureppp.cpp@ 2147

// Part of BNC, a utility for retrieving decoding and
// converting GNSS data streams from NTRIP broadcasters.
//
// Copyright (C) 2007
// German Federal Agency for Cartography and Geodesy (BKG)
// http://www.bkg.bund.de
// Czech Technical University Prague, Department of Geodesy
// http://www.fsv.cvut.cz
//
// Email: euref-ip@bkg.bund.de
//
// 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, version 2.
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

/* -------------------------------------------------------------------------
 * BKG NTRIP Client
 * -------------------------------------------------------------------------
 *
 * Class:      bncFigurePPP
 *
 * Purpose:    
 *
 * Author:     Perlt, Mervart
 *
 * Created:    11-Nov-2009
 *
 * Changes:    
 *
 * -----------------------------------------------------------------------*/

#include <iostream>

#include "bncfigureppp.h" 
#include "bncsettings.h"

using namespace std;

// Constructor
////////////////////////////////////////////////////////////////////////////
bncFigurePPP::bncFigurePPP(QWidget *parent) : QWidget(parent) {
}

// Destructor
////////////////////////////////////////////////////////////////////////////
bncFigurePPP::~bncFigurePPP() { 
  for (int ii = 0; ii < _pos.size(); ++ii) {
    delete _pos[ii];
  }
}

// 
////////////////////////////////////////////////////////////////////////////
void bncFigurePPP::slotNewPosition(bncTime time, double x, double y, double z){

  const static int MAXNUMPOS = 1000;

  QMutexLocker locker(&_mutex);

  pppPos* newPos = new pppPos;

  newPos->time   = time;
  newPos->xyz[0] = x;
  newPos->xyz[1] = y;
  newPos->xyz[2] = z;

  _pos.push_back(newPos);

  //// beg test
  cout << newPos->time.timestr(1) << " "
       << newPos->xyz[0]          << " "
       << newPos->xyz[1]          << " "
       << newPos->xyz[2]          << endl;
  //// end test

  if (_pos.size() > MAXNUMPOS) {
    delete _pos[0];
    _pos.pop_front();
  }

  repaint();
}

// 
////////////////////////////////////////////////////////////////////////////
void bncFigurePPP::paintEvent(QPaintEvent *) {

  cout << "paintEvent" << endl;

  int tMin =   0;
  int tMax = 640;
  int xMin =   0;
  int xMax = 140;
  float xLine = .60;

  QPainter painter(this);

  QFont font;
  font.setPointSize(int(font.QFont::pointSize()*0.8));
  painter.setFont(font);

  // x-axis
  // ------
  painter.drawLine(tMin+60, int((xMax-xMin)*xLine), tMax*3, 
                   int((xMax-xMin)*xLine));

  // y-axis
  // ------
  painter.drawLine(tMin+60, int((xMax-xMin)*xLine), tMin+60, xMin+10);

  // Plot X-coordinates
  // ------------------
  if (_pos.size() > 1) {
    double posXmin = _pos[0]->xyz[0];
    double posXmax = _pos[0]->xyz[0];
    for (int ii = 1; ii < _pos.size(); ++ii) {
      if (_pos[ii]->xyz[0] < posXmin) {
        posXmin = _pos[ii]->xyz[0];
      }
      if (_pos[ii]->xyz[0] > posXmax) {
        posXmax = _pos[ii]->xyz[0];
      }
    }
    double rangeX = posXmax - posXmin; // in meters
    double rangeT = _pos[_pos.size()-1]->time - _pos[0]->time;  // in seconds

    if (rangeX > 0.0 && rangeT > 0.0) {
      double factorX = (xMax - xMin) / rangeX;
      double factorT = (tMax - tMin) / rangeT;
      
      for (int ii = 1; ii < _pos.size(); ++ii) {
        int t1 = int( (_pos[ii-1]->time   - _pos[0]->time) * factorT ) ;
        int t2 = int( (_pos[ii]->time     - _pos[0]->time) * factorT ) ;
        int x1 = int( (_pos[ii-1]->xyz[0] - posXmin)       * factorX ) ;
        int x2 = int( (_pos[ii]->xyz[0]   - posXmin)       * factorX ) ;
      
        painter.drawLine(t1, x1, t2, x2);
      }
    }
  }
}