casa6

//# PlotItem.cc: Top of hierarchy for objects that can be drawn on a canvas.

//# Copyright (C) 2009

//# Associated Universities, Inc. Washington DC, USA.

//#

//# This library is free software; you can redistribute it and/or modify it

//# under the terms of the GNU Library General Public License as published by

//# the Free Software Foundation; either version 2 of the License, or (at your

//# option) any later version.

//#

//# This library is distributed in the hope that it will be useful, but WITHOUT

//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

//# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public

//# License for more details.

//#

//# You should have received a copy of the GNU Library General Public License

//# along with this library; if not, write to the Free Software Foundation,

//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.

//#

//# Correspondence concerning AIPS++ should be addressed as follows:

//#        Internet email: aips2-request@nrao.edu.

//#        Postal address: AIPS++ Project Office

//#                        National Radio Astronomy Observatory

//#                        520 Edgemont Road

//#                        Charlottesville, VA 22903-2475 USA

//#

//# $Id: $

#include <graphics/GenericPlotter/PlotItem.h>

​

using namespace casacore;

namespace casa {

​

//////////////////////////

// PLOTITEM DEFINITIONS //

//////////////////////////

​

PlotItem::PlotItem() { }

​

PlotItem::~PlotItem() { }

​

void PlotItem::setAxes(PlotAxis x, PlotAxis y) {

    setXAxis(x);

    setYAxis(y);

}

​

unsigned int PlotItem::drawSegments(unsigned int segmentThreshold) const {

    unsigned int count = drawCount();

    if(segmentThreshold == 0) return count;

    unsigned int segments = count / segmentThreshold;

    if(count % segmentThreshold > 0) segments++;

    return segments;

}

​

}