source: ntrip/trunk/BNC/bncfigureppp.cpp@ 3680

Last change on this file since 3680 was 2730, checked in by mervart, 15 years ago
File size: 8.9 KB
Line 
1// Part of BNC, a utility for retrieving decoding and
2// converting GNSS data streams from NTRIP broadcasters.
3//
4// Copyright (C) 2007
5// German Federal Agency for Cartography and Geodesy (BKG)
6// http://www.bkg.bund.de
7// Czech Technical University Prague, Department of Geodesy
8// http://www.fsv.cvut.cz
9//
10// Email: euref-ip@bkg.bund.de
11//
12// This program is free software; you can redistribute it and/or
13// modify it under the terms of the GNU General Public License
14// as published by the Free Software Foundation, version 2.
15//
16// This program is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19// GNU General Public License for more details.
20//
21// You should have received a copy of the GNU General Public License
22// along with this program; if not, write to the Free Software
23// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24
25/* -------------------------------------------------------------------------
26 * BKG NTRIP Client
27 * -------------------------------------------------------------------------
28 *
29 * Class: bncFigurePPP
30 *
31 * Purpose:
32 *
33 * Author: Mervart
34 *
35 * Created: 11-Nov-2009
36 *
37 * Changes:
38 *
39 * -----------------------------------------------------------------------*/
40
41#include <iostream>
42
43#include "bncfigureppp.h"
44#include "bncsettings.h"
45#include "bncutils.h"
46
47using namespace std;
48
49// Constructor
50////////////////////////////////////////////////////////////////////////////
51bncFigurePPP::bncFigurePPP(QWidget *parent) : QWidget(parent) {
52 reset();
53}
54
55
56// Destructor
57////////////////////////////////////////////////////////////////////////////
58bncFigurePPP::~bncFigurePPP() {
59 for (int ii = 0; ii < _pos.size(); ++ii) {
60 delete _pos[ii];
61 }
62}
63
64//
65////////////////////////////////////////////////////////////////////////////
66void bncFigurePPP::reset() {
67 QMutexLocker locker(&_mutex);
68
69 bncSettings settings;
70
71 if (settings.value("pppRefCrdX").toString() != "" &&
72 settings.value("pppRefCrdY").toString() != "" &&
73 settings.value("pppRefCrdZ").toString() != "") {
74 _xyzRef[0] = settings.value("pppRefCrdX").toDouble();
75 _xyzRef[1] = settings.value("pppRefCrdY").toDouble();
76 _xyzRef[2] = settings.value("pppRefCrdZ").toDouble();
77 }
78 else {
79 _xyzRef[0] = 0.0;
80 _xyzRef[1] = 0.0;
81 _xyzRef[2] = 0.0;
82 }
83
84 for (int ii = 0; ii < _pos.size(); ++ii) {
85 delete _pos[ii];
86 }
87 _pos.clear();
88
89 update();
90}
91
92//
93////////////////////////////////////////////////////////////////////////////
94void bncFigurePPP::slotNewPosition(bncTime time, double x, double y, double z){
95
96 QMutexLocker locker(&_mutex);
97
98 pppPos* newPos = new pppPos;
99
100 newPos->time = time;
101 newPos->xyz[0] = x;
102 newPos->xyz[1] = y;
103 newPos->xyz[2] = z;
104
105 _pos.push_back(newPos);
106
107 if (_pos.size() == 1) {
108 _startTime = time;
109 }
110
111 QMutableVectorIterator<pppPos*> it(_pos);
112 while (it.hasNext()) {
113 pppPos* pp = it.next();
114 if ( (time - pp->time) > _tRange ) {
115 delete pp;
116 it.remove();
117 }
118 }
119
120 update();
121}
122
123// Coordinate Transformation
124////////////////////////////////////////////////////////////////////////////
125QPoint bncFigurePPP::pltPoint(double tt, double yy) {
126
127 double tScale = 0.90 * _width / _tRange;
128 double yScale = 0.90 * _height / (2.0 * _neuMax);
129 double tOffset = _tRange / 13.0;
130 double yOffset = _neuMax / 10.0;
131
132 int tNew = int( ( tt - _tMin + tOffset) * tScale );
133 int yNew = int( (-yy + _neuMax + yOffset) * yScale );
134
135 return QPoint(tNew, yNew);
136}
137
138//
139////////////////////////////////////////////////////////////////////////////
140void bncFigurePPP::paintEvent(QPaintEvent *) {
141
142 QPainter painter(this);
143
144 _width = painter.viewport().width();
145 _height = painter.viewport().height();
146
147 QFont font = this->font();
148 font.setPointSize(int(this->font().pointSize()*0.9));
149 painter.setFont(font);
150
151 // Plot X-coordinates as a function of time (in seconds)
152 // -----------------------------------------------------
153 if (_pos.size() > 1) {
154 _tMin = _pos[0]->time.gpssec();
155
156 // Reference Coordinates
157 // ---------------------
158 if (_xyzRef[0] == 0.0 && _xyzRef[1] == 0.0 && _xyzRef[2] == 0.0) {
159 _xyzRef[0] = _pos[0]->xyz[0];
160 _xyzRef[1] = _pos[0]->xyz[1];
161 _xyzRef[2] = _pos[0]->xyz[2];
162 }
163 double ellRef[3];
164 xyz2ell(_xyzRef, ellRef);
165
166 // North, East and Up differences wrt Reference Coordinates
167 // --------------------------------------------------------
168 _neuMax = 0.0;
169 double neu[_pos.size()][3];
170 for (int ii = 0; ii < _pos.size(); ++ii) {
171 double dXYZ[3];
172 for (int ic = 0; ic < 3; ++ic) {
173 dXYZ[ic] = _pos[ii]->xyz[ic] - _xyzRef[ic];
174 }
175 xyz2neu(ellRef, dXYZ, neu[ii]);
176 for (int ic = 0; ic < 3; ++ic) {
177 if (fabs(neu[ii][ic]) > _neuMax) {
178 _neuMax = fabs(neu[ii][ic]);
179 }
180 }
181 }
182
183 if (_neuMax > 0.0) {
184
185 if (_neuMax < 0.151) {
186 _neuMax = 0.151;
187 }
188
189 unsigned hour, minute;
190 double second;
191 int ww = QFontMetrics(this->font()).width('w');
192
193 // neu components
194 // --------------
195 for (int ii = 1; ii < _pos.size(); ++ii) {
196 double t1 = _tMin + (_pos[ii-1]->time - _pos[0]->time);
197 double t2 = _tMin + (_pos[ii]->time - _pos[0]->time);
198
199
200 // dots
201 // ----
202 painter.setPen(QColor(Qt::gray));
203 painter.drawLine(pltPoint(t1, neu[ii-1][0]), pltPoint(t2, neu[ii][0]));
204 painter.setPen(QColor(Qt::red));
205 painter.setBrush(QColor(Qt::red));
206 painter.drawEllipse(pltPoint(t1,neu[ii-1][0]), ww/6, ww/6);
207
208 painter.setPen(QColor(Qt::gray));
209 painter.drawLine(pltPoint(t1, neu[ii-1][1]), pltPoint(t2, neu[ii][1]));
210 painter.setPen(QColor(Qt::green));
211 painter.setBrush(QColor(Qt::green));
212 painter.drawEllipse(pltPoint(t1,neu[ii-1][1]), ww/6, ww/6);
213
214 painter.setPen(QColor(Qt::gray));
215 painter.drawLine(pltPoint(t1, neu[ii-1][2]), pltPoint(t2, neu[ii][2]));
216 painter.setPen(QColor(Qt::blue));
217 painter.setBrush(QColor(Qt::blue));
218 painter.drawEllipse(pltPoint(t1,neu[ii-1][2]), ww/6, ww/6);
219
220 // time-tics
221 // ---------
222 if ( fmod(_pos[ii-1]->time.daysec(), 60.0) == 0 ) {
223 _pos[ii-1]->time.civil_time(hour, minute, second);
224 QPoint pntTic = pltPoint(t1, 0.0);
225 QString strTic = QString("%1:%2").arg(hour, 2, 10, QChar('0'))
226 .arg(minute, 2, 10, QChar('0'));
227 double xFirstCharTic = pntTic.x() - ww * 1.2;
228 if ( xFirstCharTic > pltPoint(_tMin, 0.0).x()) {
229 painter.setPen(QColor(Qt::black));
230 painter.drawText(int(xFirstCharTic), int(pntTic.y() + ww * 1.7),
231 strTic);
232 painter.drawLine(pntTic.x(), pntTic.y(),
233 pntTic.x(), pntTic.y()+ww/2);
234 }
235 }
236 }
237
238 // time-axis
239 // ---------
240 painter.setPen(QColor(Qt::black));
241 painter.drawLine(pltPoint(_tMin, 0.0), pltPoint(_tMin+_tRange, 0.0));
242
243 // neu-axis
244 // --------
245 painter.drawLine(pltPoint(_tMin, -_neuMax), pltPoint(_tMin, _neuMax));
246
247 // neu-tics
248 // --------
249 double tic = floor(20.0 * (_neuMax - 0.05)) / 20.0;
250 QString strP = QString("%1 m").arg( tic,0,'f',2);
251 QString strM = QString("%1 m").arg(-tic,0,'f',2);
252 QString strZ = QString("%1 m").arg(0.0,0,'f',2);
253
254 QPoint pntP = pltPoint(_tMin, tic);
255 QPoint pntM = pltPoint(_tMin,-tic);
256 QPoint pntZ = pltPoint(_tMin, 0.0);
257
258 painter.setPen(QColor(Qt::red));
259 painter.drawText(0, ww, pntP.x() + 3*ww, pntP.x(), Qt::AlignRight, "N");
260 painter.setPen(QColor(Qt::green));
261 painter.drawText(0, ww, pntP.x() + 4*ww, pntP.x(), Qt::AlignRight, "E");
262 painter.setPen(QColor(Qt::blue));
263 painter.drawText(0, ww, pntP.x() + 5*ww, pntP.x(), Qt::AlignRight, "U");
264
265 painter.setPen(QColor(Qt::black));
266 painter.drawText(0, pntP.y()-ww/2, pntP.x()- ww/4, pntP.x(),
267 Qt::AlignRight, strP);
268 painter.drawText(0, pntM.y()-ww/2, pntM.x()- ww/4, pntM.x(),
269 Qt::AlignRight, strM);
270 painter.drawText(0, pntZ.y()-ww/2, pntZ.x()- ww/4, pntZ.x(),
271 Qt::AlignRight, strZ);
272
273 painter.drawLine(pntP.x(), pntP.y(), pntP.x()+ww, pntP.y());
274 painter.drawLine(pntM.x(), pntM.y(), pntM.x()+ww, pntM.y());
275
276 // Start Time
277 // ----------
278 _startTime.civil_time(hour, minute, second);
279 QString startStr = QString("Start %1:%2:%3")
280 .arg(hour, 2, 10, QChar('0'))
281 .arg(minute, 2, 10, QChar('0'))
282 .arg(int(second), 2, 10, QChar('0'));
283 painter.setPen(QColor(Qt::black));
284 painter.drawText(0, ww, pntP.x() + 16*ww, pntP.x(),
285 Qt::AlignRight, startStr);
286 }
287 }
288}
289
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