From 09c89f6242ecf2495f86140a3f53ef4678f8563b Mon Sep 17 00:00:00 2001
From: SudhakarKuma
Date: Wed, 25 Oct 2017 15:53:45 +0530
Subject: Updated OSP-plugin

---
 src/Calibrate.cpp | 278 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 278 insertions(+)
 create mode 100755 src/Calibrate.cpp

(limited to 'src/Calibrate.cpp')

diff --git a/src/Calibrate.cpp b/src/Calibrate.cpp
new file mode 100755
index 0000000..5e3aedc
--- /dev/null
+++ b/src/Calibrate.cpp
@@ -0,0 +1,278 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2012 Juan Ramón
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "Calibrate.hpp"
+#include <QMediaPlayer>
+#include <QCompleter>
+#include <QFileDialog>
+#include <QFile>
+#include <QDebug>
+#include <QTextStream>
+#include <QObject>
+#include <QDebug>
+#include <QString>
+#include <QTime>
+#include <QDateTime>
+#include <QMessageBox>
+#include <QInputDialog>
+#include <QException>
+#include <QRegExp>
+#include <QRegExpValidator>
+#include <QList>
+#include <QMessageBox>
+#include <QWidget>
+#include <QByteArray>
+#include <QDateTime>
+#include <QCoreApplication>
+#include <stdio.h>
+Calibrate::Calibrate(){
+	_t0 = 0;
+	_k =  1.002737908; // Constant.. Relationship between the solar time (M) and the sidereal time (S): (S = M * 1.002737908)
+	_isSetR1 = false;
+	_isSetR2 = false;
+	_isSetR3 = false;
+}
+
+/*
+ * Calculates the inverse of the m[3x3] matrix and returns it in the second parameter.
+ */
+void Calibrate::_inv(double m[3][3], double res[3][3]){
+	double idet;
+
+	//Inverse of the determinant
+	idet = 1/(
+				(m[0][0]*m[1][1]*m[2][2]) + (m[0][1]*m[1][2]*m[2][0]) + (m[0][2]*m[1][0]*m[2][1])
+			  -	(m[0][2]*m[1][1]*m[2][0]) - (m[0][1]*m[1][0]*m[2][2]) - (m[0][0]*m[1][2]*m[2][1]) 
+			 );
+
+	res[0][0] = ((m[1][1]*m[2][2]) - (m[2][1]*m[1][2]))*idet;
+	res[0][1] = ((m[2][1]*m[0][2]) - (m[0][1]*m[2][2]))*idet;
+	res[0][2] = ((m[0][1]*m[1][2]) - (m[1][1]*m[0][2]))*idet;
+
+	res[1][0] = ((m[1][2]*m[2][0]) - (m[2][2]*m[1][0]))*idet;
+	res[1][1] = ((m[2][2]*m[0][0]) - (m[0][2]*m[2][0]))*idet;
+	res[1][2] = ((m[0][2]*m[1][0]) - (m[1][2]*m[0][0]))*idet;
+
+	res[2][0] = ((m[1][0]*m[2][1]) - (m[2][0]*m[1][1]))*idet;
+	res[2][1] = ((m[2][0]*m[0][1]) - (m[0][0]*m[2][1]))*idet;
+	res[2][2] = ((m[0][0]*m[1][1]) - (m[1][0]*m[0][1]))*idet;
+}
+
+/*
+ * Multiplies two matrices, m1[3x3] and m2[3x3], and returns the result in 
+ * the third parameter.
+ */
+void Calibrate::_m_prod(double m1[3][3], double m2[3][3], double res[3][3]){
+	for(int i=0; i<3; i++)
+		for(int j=0; j<3; j++){
+			res[i][j] = 0.0;
+			for(int k=0; k<3; k++) //multiplying row by column
+				res[i][j] += m1[i][k] * m2[k][j];
+		}
+}
+
+/*
+ * Calculates the Vector cosines (EVC) from the equatorial coordinates (ar, dec, t).
+ */
+void Calibrate::_setEVC(double ar, double dec, double t, double* EVC){
+	EVC[0] = cos(dec)*cos(ar - _k*(t-_t0));
+	EVC[1] = cos(dec)*sin(ar - _k*(t-_t0));
+	EVC[2] = sin(dec);
+	qDebug() << "ardec = ["<<ar <<"," <<dec<<"]";	
+	qDebug() << "LMN = ["<<EVC[0] <<"," <<EVC[1] <<"," <<EVC[2]<<"]";
+}
+
+/*
+ * Calculates the Vector cosines (HVC) from the horizontal coordinates (ac, alt).
+ */
+void Calibrate::_setHVC(double ac, double alt, double* HVC){
+	HVC[0] = cos(alt)*cos(ac);
+	HVC[1] = cos(alt)*sin(ac);
+	HVC[2] = sin(alt);
+	qDebug() << "altac = ["<<alt <<"," <<ac<<"]";
+	qDebug() << "clmn=["<<HVC[0] <<"," <<HVC[1] <<"," <<HVC[2]<<"]";
+}
+
+/*
+ * Sets the initial observation time.
+ */
+void Calibrate::setTime(double t0){
+	_t0 = t0;
+}
+
+/*
+ * Sets the first reference object.
+ * If all the reference objects have been established, calls the function that calculates T and iT.
+ */
+void Calibrate::setRef_1(double ar, double dec, double t, double ac, double alt){
+	_setEVC(ar, dec, t, _LMN1);
+	_setHVC(ac, alt, _lmn1);
+	_isSetR1 = true;
+	_isSetR3 = false;
+
+	if(_isSetR1 && _isSetR2 && _isSetR3)
+		_setT();
+}
+
+/*
+ * Sets the second reference object.
+ * If all the reference objects have been established, calls the function that calculates T and iT.
+ */
+void Calibrate::setRef_2(double ar, double dec, double t, double ac, double alt){
+	_setEVC(ar, dec, t, _LMN2);
+	_setHVC(ac, alt, _lmn2);
+	_isSetR2 = true;
+	_isSetR3 = false;
+
+	if(_isSetR1 && _isSetR2 && _isSetR3)
+		_setT();
+}
+
+/*
+ * Sets the third reference object.
+ * If all the reference objects have been established, calls the function that calculates T and iT.
+ */
+void Calibrate::setRef_3(double ar, double dec, double t, double ac, double alt){
+	_setEVC(ar, dec, t, _LMN3);
+	_setHVC(ac, alt, _lmn3);
+	_isSetR3 = true;
+
+	if(_isSetR1 && _isSetR2 && _isSetR3)
+		_setT();
+}
+
+/*
+ * Indicates if the three reference objects have been established.
+ */
+bool Calibrate::isConfigured(){
+	return (_isSetR1 && _isSetR2 && _isSetR3);
+}
+
+/*
+ * Third reference object calculated from the cross product of the two first ones.
+ * Then calls the function that calculates T and iT.
+ */
+void Calibrate::autoRef_3(){
+	float sqrt1, sqrt2;
+	qDebug() << "inside autoref";
+	_isSetR3 = true;	
+	if(_isSetR1 && _isSetR2){
+		sqrt1 = (1/(  sqrt( pow(( (_lmn1[1]*_lmn2[2]) - (_lmn1[2]*_lmn2[1])),2) +
+							pow(( (_lmn1[2]*_lmn2[0]) - (_lmn1[0]*_lmn2[2])),2) +
+							pow(( (_lmn1[0]*_lmn2[1]) - (_lmn1[1]*_lmn2[0])),2))
+				));
+		_lmn3[0] = sqrt1 * ( (_lmn1[1]*_lmn2[2]) - (_lmn1[2]*_lmn2[1]) );
+		_lmn3[1] = sqrt1 * ( (_lmn1[2]*_lmn2[0]) - (_lmn1[0]*_lmn2[2]) );
+		_lmn3[2] = sqrt1 * ( (_lmn1[0]*_lmn2[1]) - (_lmn1[1]*_lmn2[0]) );
+
+		sqrt2 = (1/(  sqrt( pow(( (_LMN1[1]*_LMN2[2]) - (_LMN1[2]*_LMN2[1])),2) +
+							pow(( (_LMN1[2]*_LMN2[0]) - (_LMN1[0]*_LMN2[2])),2) +
+							pow(( (_LMN1[0]*_LMN2[1]) - (_LMN1[1]*_LMN2[0])),2))
+				));
+		_LMN3[0] = sqrt2 * ( (_LMN1[1]*_LMN2[2]) - (_LMN1[2]*_LMN2[1]) );
+		_LMN3[1] = sqrt2 * ( (_LMN1[2]*_LMN2[0]) - (_LMN1[0]*_LMN2[2]) );
+		_LMN3[2] = sqrt2 * ( (_LMN1[0]*_LMN2[1]) - (_LMN1[1]*_LMN2[0]) );
+
+		if(_isSetR1 && _isSetR2 && _isSetR3)
+			_setT();
+	}
+}
+
+/*
+ *	Sets the transformation matrix and its inverse (T and iT, respectively).
+ */
+void Calibrate::_setT(){
+	double subT1[3][3], subT2[3][3], aux[3][3];
+
+	subT1[0][0] = _lmn1[0]; subT1[0][1] = _lmn2[0]; subT1[0][2] = _lmn3[0];
+	subT1[1][0] = _lmn1[1]; subT1[1][1] = _lmn2[1]; subT1[1][2] = _lmn3[1];
+	subT1[2][0] = _lmn1[2]; subT1[2][1] = _lmn2[2]; subT1[2][2] = _lmn3[2];
+
+	subT2[0][0] = _LMN1[0]; subT2[0][1] = _LMN2[0]; subT2[0][2] = _LMN3[0];
+	subT2[1][0] = _LMN1[1]; subT2[1][1] = _LMN2[1]; subT2[1][2] = _LMN3[1];
+	subT2[2][0] = _LMN1[2]; subT2[2][1] = _LMN2[2]; subT2[2][2] = _LMN3[2];
+
+	_inv(subT2, aux);
+	_m_prod(subT1, aux, _T);
+	_inv(_T, _iT);
+	qDebug() << "LMN3 = ["<<_LMN3[0] <<"," <<_LMN3[1] <<"," <<_LMN3[2]<<"]" ;
+	qDebug() << "lmn3 = ["<<_lmn3[0] <<"," <<_lmn3[1] <<"," <<_lmn3[2]<<"]" ;
+	qDebug() << "T1 = ["<<_T[0][0] <<"," <<_T[0][1] <<"," <<_T[0][2] <<"," <<_T[1][0] <<"," <<_T[1][1] <<"," <<_T[1][2] <<"," <<_T[2][0] <<"," <<_T[2][1] <<"," <<_T[2][2] <<"]" ;
+	//qDebug() << "iT = ["<<_iT[0][0] <<"," <<_iT[0][1] <<"," <<_iT[0][2] <<"," <<_iT[1][0] <<"," <<_iT[1][1] <<"," <<_iT[1][2] <<"," <<_iT[2][0] <<"," <<_iT[2][1] <<"," <<_iT[2][2] <<"]";
+	
+}
+
+/*
+ * Horizontal coordinates (ac, alt) obtained from equatorial ones and time (ar, dec, t).
+ *
+ * If the third reference object is not established, it calculates it by calling the 
+ * proper function.
+ */
+void Calibrate::getHCoords(double ar, double dec, double t, double *ac, double *alt){
+	double HVC[3];
+	double EVC[3];
+	_setEVC(ar, dec, t, EVC);
+
+	if(!_isSetR3){
+		autoRef_3();
+	}
+
+	for(int i=0; i<3; i++){
+		HVC[i] = 0.0; }
+	for(int i=0; i<3; i++){	
+		for(int j=0; j<3; j++){
+			HVC[i] += _T[i][j] * EVC[j];
+		}
+	}	
+
+	qDebug() << "clmnforgoto=["<<HVC[0] <<"," <<HVC[1] <<"," <<HVC[2]<<"]";
+
+	(*ac) = atan2(HVC[1], HVC[0]);
+        //(*alt) = atan2(HVC[2]*sin(*ac),HVC[1]);
+        (*alt) = asin(HVC[2]);
+}
+
+/*
+ * Equatorial coordinates (ar, dec) obtained from horizontal ones and time (ac, alt, t).
+ * 
+ * If the third reference object is not established, it calculates it by calling the 
+ * proper function.
+ */
+void Calibrate::getECoords(double ac, double alt, double t, double *ar, double *dec){
+	double HVC[3];
+	double EVC[3];
+	_setHVC(ac, alt, HVC);
+
+	if(!_isSetR3){
+		autoRef_3();
+	}
+
+	for(int i=0; i<3; i++)
+		EVC[i] = 0.0;
+	for(int i=0; i<3; i++)
+		for(int j=0; j<3; j++)
+				EVC[i] += _iT[i][j] * HVC[j];
+
+	(*ar) = atan2(EVC[1], EVC[0]) + (_k*(t-_t0));
+	(*dec) = asin(EVC[2]);
+}
-- 
cgit