com.metsci.glimpse.examples.projection.PolarProjectionExample Maven / Gradle / Ivy

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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.projection;

import com.metsci.glimpse.examples.Example;
import com.metsci.glimpse.examples.basic.HeatMapExample;
import com.metsci.glimpse.gl.texture.ColorTexture1D;
import com.metsci.glimpse.layout.GlimpseLayout;
import com.metsci.glimpse.layout.GlimpseLayoutProvider;
import com.metsci.glimpse.painter.info.CursorTextZPainter;
import com.metsci.glimpse.painter.info.FpsPainter;
import com.metsci.glimpse.painter.texture.HeatMapPainter;
import com.metsci.glimpse.plot.ColorAxisPlot2D;
import com.metsci.glimpse.support.colormap.ColorGradients;
import com.metsci.glimpse.support.projection.PolarProjection;
import com.metsci.glimpse.support.projection.Projection;
import com.metsci.glimpse.support.texture.FloatTextureProjected2D;

/**
 * Demonstrate the polar texture projection.
 *
 * @author ulman
 */
public class PolarProjectionExample implements GlimpseLayoutProvider
{
    public static void main( String[] args ) throws Exception
    {
        Example.showWithSwing( new PolarProjectionExample( ) );
    }

    @Override
    public GlimpseLayout getLayout( ) throws Exception
    {
        // create a premade heat map window
        ColorAxisPlot2D plot = new ColorAxisPlot2D( );

        // set the pixel sizes of the axes
        plot.setBorderSize( 10 );
        plot.setAxisSizeY( 50 );
        plot.setAxisSizeX( 50 );
        plot.setTitleHeight( 20 );

        // set text labels for the axes
        plot.setAxisLabelX( "x axis" );
        plot.setAxisLabelY( "y axis" );
        plot.setAxisLabelZ( "z axis" );

        // set minimum and maximum values for the axes
        plot.setMinX( -1000 );
        plot.setMaxX( 1000 );
        plot.setMinY( -1000 );
        plot.setMaxY( 1000 );
        plot.setMinZ( 0 );
        plot.setMaxZ( 1000 );

        // lock the aspect ratio of the x and y axes
        plot.lockAspectRatioXY( 1 );

        // add a painter that will use our new shader for color-mapping
        final HeatMapPainter painter = new HeatMapPainter( plot.getAxisZ( ) );
        plot.addPainter( painter );

        // setup the color-map for the painter
        ColorTexture1D colors = new ColorTexture1D( 1024 );
        colors.setColorGradient( ColorGradients.jet );

        // create a projection which will display the data as an annulus with
        // inner radius 300 and outer radius 1000
        Projection projection = new PolarProjection( 300, 1000, 0, 360 );

        // allocate a 1000 by 1000 pixel texture
        final FloatTextureProjected2D texture = new FloatTextureProjected2D( 4000, 1000 );

        // generate dummy data for the texture
        double[][] data = HeatMapExample.generateData( 4000, 1000 );

        // set the projection and data for the texture
        texture.setProjection( projection );
        texture.setData( data );

        // add the texture and color scale to the painter
        painter.setColorScale( colors );
        painter.setData( texture );

        // create a painter which displays the cursor position and data value under the cursor
        CursorTextZPainter cursorPainter = new CursorTextZPainter( );
        plot.addPainter( cursorPainter );

        // tell the cursor painter what texture to report data values from
        cursorPainter.setTexture( texture );

        // also add the color scale to the plot, which will
        // use it to display the color scale on the Z axis
        plot.setColorScale( colors );

        // paints an estimate of how many times per second the display is being updated
        plot.addPainter( new FpsPainter( ) );

        return plot;
    }
}