#include "TCanvas.h"
#include "TView.h"
#include "TPad.h"
#include "TPolyLine3D.h"
#include "TH1D.h"

void easy()
{
	bool hist = false;

	TPolyLine3D *det1;
	TH1D* det2;

	if (hist)
		det2 = new TH1D("det1", "det1", 100, 0, 1);
	else {
		double x[6] = {-14.37, 14.37, +25.53,     0., -25.53, -14.37};
		double y[6] = {-11.11, -11.11,     0., +25.53,     0., -11.11};
		double z[6] = {0, 0, 0, 0, 0, 0};

		det1 = new TPolyLine3D(6, z, x, y);
	}

	TCanvas *c = new TCanvas();
	c->Divide(2, 2);
	c->cd(3);
	TView *view;

	if (hist)
		det2->Draw();
	else {
		view = TView::CreateView(1, 0, 0);
		view->SetRange(-10, -35, -21, 50, 35, 35);
		view->SetPerspective();
		det1->Draw();
	}

	c->Clear("");
	gPad = c;

	if (hist)
		det2->Draw();
	else {
		/* ... this doesn't help either
		view = TView::CreateView(1, 0, 0);
		view->SetRange(-10, -35, -21, 50, 35, 35);
		view->SetPerspective();
		*/
		det1->Draw();
	}
}