Revision 022486c0898d6a1f04c0ef2d13c0218422ef0b04 authored by Rene Brun on 01 October 2006, 16:53:42 UTC, committed by Rene Brun on 01 October 2006, 16:53:42 UTC
// if the box has no fill style (ie fill style=0), the box contour is drawn // if the box has a fill style, the box contour is not drawn by default. // to force the contour to be drawn, specify option "l" git-svn-id: http://root.cern.ch/svn/root/trunk@16391 27541ba8-7e3a-0410-8455-c3a389f83636
1 parent 3d66a9c
earth.C
void earth() {
//this tutorial illustrate the special contour options
// "AITOFF" : Draw a contour via an AITOFF projection
// "MERCATOR" : Draw a contour via an Mercator projection
// "SINUSOIDAL" : Draw a contour via an Sinusoidal projection
// "PARABOLIC" : Draw a contour via an Parabolic projection
// from an original macro sent by Ernst-Jan Buis
gStyle->SetPalette(1);
gStyle->SetOptTitle(1);
gStyle->SetOptStat(0);
TCanvas *c1 = new TCanvas("c1","earth_projections",1000,800);
c1->Divide(2,2);
TH2F *h1 = new TH2F("h1","Aitoff", 180, -180, 180, 179, -89.5, 89.5);
TH2F *h2 = new TH2F("h2","Mercator", 180, -180, 180, 161, -80.5, 80.5);
TH2F *h3 = new TH2F("h3","Sinusoidal",180, -180, 180, 181, -90.5, 90.5);
TH2F *h4 = new TH2F("h4","Parabolic", 180, -180, 180, 181, -90.5, 90.5);
ifstream in;
in.open("earth.dat");
Float_t x,y;
while (1) {
in >> x >> y;
if (!in.good()) break;
h1->Fill(x,y, 1);
h2->Fill(x,y, 1);
h3->Fill(x,y, 1);
h4->Fill(x,y, 1);
}
in.close();
c1->cd(1);
h1->Draw("z aitoff");
c1->cd(2);
h2->Draw("z mercator");
c1->cd(3);
h3->Draw("z sinusoidal");
c1->cd(4);
h4->Draw("z parabolic");
}
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