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/*
* Copyright (c) 2016, Metron, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Metron, Inc. nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL METRON, INC. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.metsci.glimpse.examples.basic;
import com.metsci.glimpse.axis.Axis1D;
import com.metsci.glimpse.examples.Example;
import com.metsci.glimpse.layout.GlimpseLayout;
import com.metsci.glimpse.layout.GlimpseLayoutManagerMig;
import com.metsci.glimpse.layout.GlimpseLayoutProvider;
import com.metsci.glimpse.painter.decoration.BackgroundPainter;
import com.metsci.glimpse.painter.plot.HistogramPainter;
import com.metsci.glimpse.painter.plot.StackedHistogramPainter;
import com.metsci.glimpse.plot.SimplePlot2D;
import com.metsci.glimpse.support.color.GlimpseColor;
import it.unimi.dsi.fastutil.floats.Float2IntMap;
import it.unimi.dsi.fastutil.floats.Float2IntOpenHashMap;
/**
* A basic histogram plot.
*
* @author ulman
*/
public class HistogramPlotExample implements GlimpseLayoutProvider
{
public static void main( String[] args ) throws Exception
{
Example.showWithSwing( new HistogramPlotExample( ) );
}
public static int NUM_POINTS = 100000;
@Override
public GlimpseLayout getLayout( )
{
float[] data1 = generateData1( new float[NUM_POINTS], NUM_POINTS );
float[] data2 = generateData2( new float[NUM_POINTS], NUM_POINTS );
float[] data3 = generateData3( new float[NUM_POINTS], NUM_POINTS );
Axis1D xAxis = new Axis1D( );
xAxis.setMin( -10 );
xAxis.setMax( 15 );
xAxis.setAbsoluteMin( -10 );
xAxis.setAbsoluteMax( 15 );
GlimpseLayout histogramPlot1 = createDualHistograms( xAxis, data1, data2, data3 );
GlimpseLayout histogramPlot2 = createStackedHistograms( xAxis, data1, data2, data3 );
GlimpseLayout histogramPlot3 = createStackedScaledHistograms( xAxis, data1, data2, data3 );
GlimpseLayout layout = new GlimpseLayout( );
layout.addPainter( new BackgroundPainter( true ) );
( ( GlimpseLayoutManagerMig ) layout.getLayoutManager( ) ).setLayoutConstraints( "bottomtotop, gapx 0, gapy 0, insets 5 5 5 5" );
( ( GlimpseLayoutManagerMig ) layout.getLayoutManager( ) ).setRowConstraints( "[grow|grow|grow]" );
( ( GlimpseLayoutManagerMig ) layout.getLayoutManager( ) ).setColumnConstraints( "[grow]" );
layout.addLayout( histogramPlot1 );
histogramPlot1.setLayoutData( "grow, wrap" );
layout.addLayout( histogramPlot2 );
histogramPlot2.setLayoutData( "grow, wrap" );
layout.addLayout( histogramPlot3 );
histogramPlot3.setLayoutData( "grow" );
layout.invalidateLayout( );
return layout;
}
GlimpseLayout createDualHistograms( Axis1D xAxis, float[] data1, float[] data2, float[] data3 )
{
// create a premade histogram plot
SimplePlot2D histogramplot = new SimplePlot2D( );
// set axis labels and chart title
histogramplot.setTitle( "Histogram Plot" );
histogramplot.setAxisLabelX( "x axis" );
histogramplot.setAxisLabelY( "frequency" );
// link the parent x axis
histogramplot.getAxis( ).getAxisX( ).setParent( xAxis );
histogramplot.setMinY( 0.0 );
histogramplot.setMaxY( 0.02 );
// set the y absolute axis bounds
// the axis will never be allowed to exceed these values
histogramplot.setAbsoluteMinY( 0.0 );
histogramplot.setAbsoluteMaxY( 1.0 );
// lock the minimum value of the y axis
// for a histogram we always want 0 at the
// bottom of the screen
histogramplot.lockMinY( 0.0 );
// don't show the square selection box, only the x and y crosshairs
histogramplot.getCrosshairPainter( ).showSelectionBox( false );
// show minor tick marks on all the plot axes
histogramplot.setShowMinorTicksX( true );
histogramplot.setShowMinorTicksY( true );
// create a painter/layer to display the histogram data
HistogramPainter series1 = new HistogramPainter( );
HistogramPainter series2 = new HistogramPainter( );
HistogramPainter series3 = new HistogramPainter( );
// add data and color information to the first data series painter/layer
series1.setData( data1 );
series1.setColor( GlimpseColor.fromColorRgba( 1, 0, 0, 0.6f ) );
// add data and color information to the second data series painter/layer
series2.setData( data2 );
series2.setColor( GlimpseColor.fromColorRgba( 0, 1, 0, 0.6f ) );
series3.setData( data3 );
series3.setColor( GlimpseColor.fromColorRgba( 0, 0, 1, 0.6f ) );
histogramplot.addPainter( series1 );
histogramplot.addPainter( series2 );
histogramplot.addPainter( series3 );
return histogramplot;
}
GlimpseLayout createStackedHistograms( Axis1D xAxis, float[] data1, float[] data2, float[] data3 )
{
SimplePlot2D histogramplot = new SimplePlot2D( );
histogramplot.setTitle( "Stacked Histograms" );
histogramplot.setAxisLabelX( "x axis" );
histogramplot.setAxisLabelY( "frequency" );
histogramplot.getAxis( ).getAxisX( ).setParent( xAxis );
histogramplot.lockMinY( 0 );
histogramplot.setShowMinorTicksX( true );
histogramplot.setShowMinorTicksY( true );
histogramplot.getCrosshairPainter( ).showSelectionBox( false );
StackedHistogramPainter stacked = new StackedHistogramPainter( );
stacked.setData( data1, data2, data3 );
stacked.setSeriesColor( 0, GlimpseColor.fromColorRgba( 1, 0, 0, 0.6f ) );
stacked.setSeriesColor( 1, GlimpseColor.fromColorRgba( 0, 1, 0, 0.6f ) );
stacked.setSeriesColor( 2, GlimpseColor.fromColorRgba( 0, 0, 1, 0.6f ) );
// add the two painters to the plot
histogramplot.addPainter( stacked );
stacked.autoAdjustAxisBounds( histogramplot.getAxis( ) );
return histogramplot;
}
GlimpseLayout createStackedScaledHistograms( Axis1D xAxis, float[] data1, float[] data2, float[] data3 )
{
SimplePlot2D histogramplot = new SimplePlot2D( );
histogramplot.setTitle( "Stacked/Scaled Histograms" );
histogramplot.setAxisLabelX( "x axis" );
histogramplot.setAxisLabelY( "frequency" );
histogramplot.getAxis( ).getAxisX( ).setParent( xAxis );
histogramplot.lockMinY( 0 );
histogramplot.setShowMinorTicksX( true );
histogramplot.setShowMinorTicksY( true );
histogramplot.getCrosshairPainter( ).showSelectionBox( false );
StackedHistogramPainter stacked = new StackedHistogramPainter( )
{
Float2IntMap totalHeights;
@Override
public void setData( int totalNumValues, float binSize, Float2IntMap... counts )
{
totalHeights = new Float2IntOpenHashMap( );
totalHeights.defaultReturnValue( 0 );
for ( Float2IntMap countMap : counts )
{
for ( Float2IntMap.Entry entry : countMap.float2IntEntrySet( ) )
{
int sum = totalHeights.get( entry.getFloatKey( ) );
sum += entry.getIntValue( );
totalHeights.put( entry.getFloatKey( ), sum );
}
}
super.setData( totalNumValues, binSize, counts );
}
@Override
protected float getBarHeight( float bin, int count, int totalValues )
{
return count / ( float ) totalHeights.get( bin );
}
};
stacked.setData( data1, data2, data3 );
stacked.setSeriesColor( 0, GlimpseColor.fromColorRgba( 1, 0, 0, 0.6f ) );
stacked.setSeriesColor( 1, GlimpseColor.fromColorRgba( 0, 1, 0, 0.6f ) );
stacked.setSeriesColor( 2, GlimpseColor.fromColorRgba( 0, 0, 1, 0.6f ) );
// add the two painters to the plot
histogramplot.addPainter( stacked );
stacked.autoAdjustAxisBounds( histogramplot.getAxis( ) );
return histogramplot;
}
public static float[] generateData1( float[] data, int size )
{
for ( int i = 0; i < size; i++ )
{
data[i] = ( float ) ( 5 * Math.random( ) + 10.0f * Math.sin( i * ( 20.0f / Math.PI ) ) );
}
return data;
}
public static float[] generateData2( float[] data, int size )
{
for ( int i = 0; i < size; i++ )
{
data[i] = ( float ) ( Math.pow( Math.random( ), 3.0 ) * -20.0 + 10.0 );
}
return data;
}
public static float[] generateData3( float[] data, int size )
{
for ( int i = 0; i < size; i++ )
{
data[i] = ( float ) ( Math.pow( 35, Math.random( ) ) - 10 );
}
return data;
}
}
