void TPointGui::DrawPolLine ( TVirtualPad *  pad, Double_t  r0, Double_t  phi0, Double_t  r1, Double_t  phi1  )

private

Definition at line 436 of file TPointGui.cc.

References i, and kBlue.

Referenced by DrawSet().

{
    TView *view = pad->GetView();

    if (!view)
    {
        cout << "No View!" << endl;
        return;
    }
    /*
    if (r0<0)
    {
        r0 = -r0;
        phi0 += 180;
    }
    if (r1<0)
    {
        r1 = -r1;
        phi1 += 180;
    }

    phi0 = fmod(phi0+360, 360);
    phi1 = fmod(phi1+360, 360);

    if (phi1-phi0<-180)
        phi1+=360;
    */
    TLine line;
    line.SetLineWidth(2);
    line.SetLineColor(kBlue);

    Double_t p0 = phi0<phi1?phi0:phi1;
    Double_t p1 = phi0<phi1?phi1:phi0;

    if (phi0>phi1)
    {
        Double_t d = r1;
        r1 = r0;
        r0 = d;
    }

    r0 /= 90;
    r1 /= 90;

    Double_t dr = r1-r0;
    Double_t dp = p1-p0;

    Double_t x0[3] = { r0*cos(p0*TMath::DegToRad()), r0*sin(p0*TMath::DegToRad()), 0};

    for (double i=p0+10; i<p1+10; i+=10)
    {
        if (i>p1)
            i=p1;

        Double_t r = dr/dp*(i-p0)+r0;
        Double_t p = TMath::DegToRad()*i;

        Double_t x1[3] = { r*cos(p), r*sin(p), 0};

        Double_t y0[3], y1[3];

        view->WCtoNDC(x0, y0);
        view->WCtoNDC(x1, y1);

        line.DrawLine(y0[0], y0[1], y1[0], y1[1]);

        x0[0] = x1[0];
        x0[1] = x1[1];
    }
}

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