#include "geotogk.h"
#include "ui_geotogk.h"

GEOtoGK::GEOtoGK(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::GEOtoGK)
{
    ui->setupUi(this);
    setAttribute(Qt::WA_DeleteOnClose);
    ((Widget*)parent)->changeOpenWidget(this);
}

GEOtoGK::~GEOtoGK()
{
    delete ui;
}
void GEOtoGK::closeEvent(QCloseEvent *event)
{
    ((Widget*)parent())->clearOpenWidget();
    event->accept();
}

void GEOtoGK::on_pushButton_2_clicked()
{
    close();
}

void GEOtoGK::on_pushButton_clicked()
{
    int nZone, b1, b2, b3, l1, l2, l3;
    bool south;

    int XL, YL;

    double CA2=5333.5419;
    double CA4=4.84339;
    double CA6=0.007622;
    double A1,A2,A3,B1,B2,B3,C1,C2,C3,D1,D2,D3,
                     E,EL,FI,L0,TGE,THP,P;



    nZone = ui->lineEdit->text().toInt();
    south = ui->checkBox->isChecked();
    b1 = ui->lineEdit_2->text().toInt();
    b2 = ui->lineEdit_3->text().toInt();
    b3 = ui->lineEdit_4->text().toInt();
    l1 = ui->lineEdit_5->text().toInt();
    l2 = ui->lineEdit_6->text().toInt();
    l3 = ui->lineEdit_7->text().toInt();



    // расчет


    B = (((b3/60)+b2) /60 + b1)/180*M_PI;
    if (south) B=-B;
    L = (((l3/60)+l2)/60+l1)/180*M_PI;

    L0=double(nZone)*6.0-3.0;
    L0=L0*M_PI/180.0;
    EL=L-L0;
    FI=(2624.0*sin(B)*sin(B)+372834.0)*sin(B)*sin(B);
    FI=B-((FI+66934216.0)*sin(B)*cos(B)*0.0000000001);
    TGE=tan(FI)/cos(EL);
    E=atan(TGE);
    THP=cos(FI)*sin(EL);
    P=0.5*log((1.0+THP)/(1.0-THP));
    A1=sin(2.0*E);
    B1=cos(2.0*E);
    C1=sinh(2.0*P);
    D1=cosh(2.0*P);
    A2=2.0*A1*B1;
    B2=1.0-2.0*A1*A1;
    C2=2.0*C1*D1;
    D2=1.0+2.0*C1*C1;
    A3=A1*B2+A2*B1;
    B3=B1*B2-A1*A2;
    C3=C1*D2+C2*D1;
    D3=D1*D2+C1*C2;

    XL = 6367558.497*E+CA2*A1*D1+CA4*A2*D2+CA6*A3*D3;
    if (XL<0) XL=-XL;

    YL = 6367558.497*P+CA2*B1*C1+CA4*B2*C2+CA6*B3*C3 + 500000.0;

    ui->lineEdit_8->setText(QString::number(XL));
    ui->lineEdit_9->setText(QString::number(YL));



}