comprehensiveanalyze_form.ui.h

Linux下的qt编程示例

/****************************************************************************
** ui.h extension file, included from the uic-generated form implementation.
**
** If you wish to add, delete or rename functions or slots use
** Qt Designer which will update this file, preserving your code. Create an
** init() function in place of a constructor, and a destroy() function in
** place of a destructor.
*****************************************************************************/
float J[6];
float Ifg, If0, Ifk, Kc, Xxd, Xdd, Ibc;
int Xk[1000], Yk[1000];
int Xd[1000], Yd[1000];
int P;
QString kzfilename, dlfilename;
void ComprehensiveAnalyze_Form::init()
{
    fstream file;
    file.open("/root/FaultRecorder/ratedvalue.DAT");
    file>>J[0];
    file>>J[1];
    file>>J[2];
    file>>J[3];
    file>>J[4];
    file>>J[5];
    file.close();
    
    ComprehensiveAnalyze_iconView->clear();
    (void) new QIconViewItem( ComprehensiveAnalyze_iconView, "", Draw_coordinate());
    ComprehensiveAnalyze_iconView->setEnabled(FALSE);
    Kc_lineEdit->setEnabled(FALSE);
    Xxd_lineEdit->setEnabled(FALSE);
    Xd_lineEdit->setEnabled(FALSE);
    Ifg_lineEdit->setEnabled(FALSE);
    If0_lineEdit->setEnabled(FALSE);
    Ifk_lineEdit->setEnabled(FALSE);
}
QPixmap ComprehensiveAnalyze_Form::Draw_coordinate()
{
    int i,j,k;
    float k3=1.3;
    QString str0,str1,str2,strx[4],stry[6],strz[6];
    ComprehensiveAnalyze_iconView->clear();
    QPixmap pixmap( 420, 300 );
    pixmap.fill( white );
    QPainter painter;
    painter.begin( &pixmap );
    painter.setPen( black );
    painter.drawLine(40, 280, 405, 280);
    painter.drawLine(40, 280, 40, 15);
    painter.setPen( blue );
    painter.drawText(20, 10, "U0", -1);
    for( j=1; j<=5; j++){
	stry[j] = QString ("%0").arg(J[0]*k3*j/5, 0, 'f', 0);
	painter.drawText(10, 280-(280-30)*j/5, stry[j], -1);
    }
    painter.setPen( red );
    painter.drawText(45, 10, "Ik", -1);
    for( k=1; k<=5; k++){
	strz[k] = QString ("%0").arg(J[1]*k3*k/5, 0, 'f', 0);
	painter.drawText(10, 290-(280-30)*k/5, strz[k], -1);
    }
    painter.setPen( gray );
    for( i=0; i<10; i++){
	painter.drawLine(40, 30+i*25, 400, 30+i*25);
    }
    for( j=1; j<=10; j++){
	painter.drawLine(40+j*36, 30, 40+j*36, 280);
    }
    painter.setPen( black );
    painter.drawText(37, 295, "0", -1);
    painter.drawText(410, 285, "Ir", -1);
    str2 = QString ("%0").arg(J[2], 0, 'f', 0);
    painter.drawText(388, 295, str2, -1);
    for( i=1; i<=4; i++){
	strx[i] = QString ("%0").arg(J[2]*i/5, 0, 'f', 0);
	painter.drawText(28+(400-40)*i/5, 295, strx[i], -1);
    }
    painter.setPen( magenta );
    painter.drawLine(40, 280-(int)(250.0/k3), 400, 280-(int)(250.0/k3));
    painter.end();
    return pixmap;
}

void ComprehensiveAnalyze_Form::KZ_choose()
{
    int i;
    QString str1, str2;
    E3Datafile_Form*e3datafile_Form = new E3Datafile_Form(this, "试验数据选择", TRUE);
    e3datafile_Form->exec();
    kzfilename = e3datafile_Form->returnFilename();
    QDir::setCurrent("/root/FaultRecorder/experiment/FKZ/");
    QFile file( kzfilename );
    file.open( IO_ReadOnly );
    QTextStream stream( &file );
    for( i=0; i<1000; i++ ){
	stream>>str1;
	stream>>str2;
	Xk[i] = atoi( str1 );
	Yk[i] = atoi( str2 );
	if ( Yk[i] == (int)J[0] ){
	    If0 = (float) Xk[i];		//求出If0;
	}
    }
    file.close();
    (void) new QIconViewItem( ComprehensiveAnalyze_iconView, "", Draw_kz_curve());
    KZdatechoose_pushButton->setEnabled(FALSE);
}
QPixmap ComprehensiveAnalyze_Form::Draw_kz_curve()
{
    int i, x, y, x0, y0;
    float k3 = 1.3;
    ComprehensiveAnalyze_iconView->clear();
    QPixmap pixmap( 420, 300 );
    QPainter painter;
    painter.begin( &pixmap );
    painter.setPen( blue );
    x0 = (int) (40 + Xk[0]*360/J[2]) ;
    y0 = (int) (280 - Yk[0]*250/k3/J[0]) ;
    for( i=1; i<1000; i++){
	x = (int) (40 + Xk[i]*360/J[2]) ;
	y = (int) (280 - Yk[i]*250/k3/J[0]) ;
	painter.drawLine( x0, y0, x, y );
	x0 = x;
	y0 = y;
    }
    painter.end();
    return pixmap;
}

void ComprehensiveAnalyze_Form::DL_choose()
{
    int i;
    QString str1, str2;
    E4Datafile_Form*e4datafile_Form = new E4Datafile_Form(this, "试验数据选择", TRUE);
    e4datafile_Form->exec();
    dlfilename = e4datafile_Form->returnFilename();
    QDir::setCurrent("/root/FaultRecorder/experiment/FDL/");
    QFile file( dlfilename );
    file.open( IO_ReadOnly );
    QTextStream stream( &file );
    for( i=0; i<1000; i++ ){
	stream>>str1;
	stream>>str2;
	Xd[i] = atoi( str1 );
	Yd[i] = atoi( str2 );
	if ( Yd[i] == (int)J[1] ){
	    Ifk = (float) Xd[i];		//求出Ifk;	    
	}
    }
    file.close();
    (void) new QIconViewItem( ComprehensiveAnalyze_iconView, "", Draw_dl_curve());
    DLdatechoose_pushButton->setEnabled(FALSE);
}
QPixmap ComprehensiveAnalyze_Form::Draw_dl_curve()
{
    int i, x, y, x0, y0;
    float k3 = 1.3;
    ComprehensiveAnalyze_iconView->clear();
    QPixmap pixmap( 420, 300 );
    QPainter painter;
    painter.begin( &pixmap );
    painter.setPen( red );
    x0 = (int) (40 + Xd[0]*360/J[2]) ;
    y0 = (int) (280 - Yd[0]*250/k3/J[1]) ;
    for( i=1; i<1000; i++){
	x = (int) (40 + Xd[i]*360/J[2]) ;
	y = (int) (280 - Yd[i]*250/k3/J[1]) ;
	painter.drawLine( x0, y0, x, y );
	x0 = x;
	y0 = y;
    }
    painter.end();
    return pixmap;
}
//绘制切线,求出结果;
void ComprehensiveAnalyze_Form::comprehensive_analyze()
{
    QString str1,str2,str3,str4,str5,str6;
    (void) new QIconViewItem( ComprehensiveAnalyze_iconView, "", Draw_qx_curve());
    Kc = If0 / Ifk;			//求出Kc;
    Xxd = Ifk / Ifg;			//求出X*d;
    Xdd = J[0]/1.73205/Ibc;		//求出Xd;
    str1 = QString ("%0").arg(Kc, 0, 'f', 4);
    Kc_lineEdit->setText(str1);
    str2 = QString ("%0").arg(Xxd, 0, 'f', 4);
    Xxd_lineEdit->setText(str2);
    str3 = QString ("%0").arg(Xdd, 0, 'f', 4);
    Xd_lineEdit->setText(str3);
    str4 = QString ("%0").arg(Ifg, 0, 'f', 4);
    Ifg_lineEdit->setText(str4);
    str5 = QString ("%0").arg(If0, 0, 'f', 4);
    If0_lineEdit->setText(str5);
    str6 = QString ("%0").arg(Ifk, 0, 'f', 4);
    Ifk_lineEdit->setText(str6);
    
    ComprehensiveAnalyze_pushButton->setEnabled(FALSE);
}
QPixmap ComprehensiveAnalyze_Form::Draw_qx_curve()
{
    float s, kx0, kxa, kx[30];
    float k3 = 1.3;
    int i, j;
    ComprehensiveAnalyze_iconView->clear();
    for( i=999; i>0; i-- ){
	if( Xk[i] != 0 && Yk[i] !=0 ){
	    P=i;
	    break;
	}
    }
    kx0 = ((float)Yk[P]) / ((float)Xk[P]);
    j=1;
    s=0.0;
    for ( i=P-10; i>=P-30; i--){
	kx[j] = (float)( Yk[i] - Yk[P+1] ) / (float)( Xk[i] - Xk[P+1] );
	if ( fabs(kx0-kx[j]) <= 0.5 ){
	    s=s+kx[j];
	    j++;
	}
    }
    kxa=s/ (j-1);
    QPixmap pixmap( 420, 300 );
    QPainter painter;
    painter.begin( &pixmap );
    painter.setPen( green );
    painter.drawLine( 40, 280, (int)(40.0+k3*J[0]*360/kxa/J[2]), 30);
    painter.end();
    
    Ifg = J[0]/kxa;			//求出Ifg;
    for( i=999; i>=0; i-- ){
	if ( Xd[i] == (int)Ifg ){
	    Ibc = 1.0*Yd[i];		//求出Ibc;
	}
    }
    return pixmap;
}