edu.umn.cs.spatialHadoop.nasa.NASAPoint.java Source code

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Here is the source code for edu.umn.cs.spatialHadoop.nasa.NASAPoint.java

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/***********************************************************************
* Copyright (c) 2015 by Regents of the University of Minnesota.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Apache License, Version 2.0 which 
* accompanies this distribution and is available at
* http://www.opensource.org/licenses/apache2.0.php.
*
*************************************************************************/

package edu.umn.cs.spatialHadoop.nasa;

import java.awt.Color;
import java.awt.Graphics;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

import org.apache.hadoop.io.Text;

import edu.umn.cs.spatialHadoop.core.Point;
import edu.umn.cs.spatialHadoop.core.Rectangle;
import edu.umn.cs.spatialHadoop.io.TextSerializerHelper;

public class NASAPoint extends Point implements NASAShape {

    private static final byte[] Separator = { ',' };

    /**Value stored at this point*/
    public int value;

    /** Timestamp of this point as appear in the HDF file*/
    public long timestamp;

    public NASAPoint() {
    }

    public NASAPoint(double x, double y, int value, long timestamp) {
        super(x, y);
        this.value = value;
        this.timestamp = timestamp;
    }

    public int getValue() {
        return value;
    }

    public void setValue(int value) {
        this.value = value;
    }

    @Override
    public void write(DataOutput out) throws IOException {
        super.write(out);
        out.writeInt(value);
        out.writeLong(timestamp);
    }

    @Override
    public void readFields(DataInput in) throws IOException {
        super.readFields(in);
        this.value = in.readInt();
        this.timestamp = in.readLong();
    }

    @Override
    public Text toText(Text text) {
        super.toText(text);
        text.append(Separator, 0, Separator.length);
        TextSerializerHelper.serializeInt(value, text, ',');

        TextSerializerHelper.serializeLong(timestamp, text, '\0');

        return text;
    }

    @Override
    public void fromText(Text text) {
        super.fromText(text);
        byte[] bytes = text.getBytes();
        text.set(bytes, 1, text.getLength() - 1);
        value = TextSerializerHelper.consumeInt(text, ',');
        timestamp = TextSerializerHelper.consumeLong(text, '\0');
    }

    @Override
    public String toString() {
        return super.toString() + " - " + value;
    }

    /**Valid range of values. Used for drawing.*/
    public static float minValue, maxValue;

    protected static Color color1, color2;
    protected static float hue1, hue2;
    protected static float saturation1, saturation2;
    protected static float brightness1, brightness2;

    public static enum GradientType {
        GT_HUE, GT_COLOR
    };

    public static GradientType gradientType;

    public static void setColor1(Color color) {
        color1 = color;
        float[] hsbvals = new float[3];
        Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), hsbvals);
        hue1 = hsbvals[0];
        saturation1 = hsbvals[1];
        brightness1 = hsbvals[2];
    }

    public static void setColor2(Color color) {
        color2 = color;
        float[] hsbvals = new float[3];
        Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), hsbvals);
        hue2 = hsbvals[0];
        saturation2 = hsbvals[1];
        brightness2 = hsbvals[2];
    }

    @Override
    public void draw(Graphics g, Rectangle fileMBR, int imageWidth, int imageHeight, double scale) {
        g.setColor(NASARectangle.calculateColor(this.value));
        super.draw(g, fileMBR, imageWidth, imageHeight, scale);
    }

    @Override
    public void setTimestamp(long t) {
        this.timestamp = t;
    }

    @Override
    public long getTimestamp() {
        return this.timestamp;
    }

    @Override
    public NASAPoint clone() {
        return new NASAPoint(x, y, value, timestamp);
    }
}