edu.umn.cs.spatialHadoop.visualization

Class ImageRasterLayer

java.lang.Object

edu.umn.cs.spatialHadoop.visualization.RasterLayer

edu.umn.cs.spatialHadoop.visualization.ImageRasterLayer

public class ImageRasterLayer
extends RasterLayer

A raster layer that contains an image

Author:

Ahmed Eldawy

Field Summary

Fields

Modifier and Type	Field and Description
protected java.awt.Graphics2D	graphics The graphics associated with the image if the image is in draw mode.
protected java.awt.image.BufferedImage	image The underlying image
protected double	xscale The scale of the image on the x-axis in terms of pixels per input units
protected double	yscale The scale of the image on the y-axis in terms of pixels per input units

Fields inherited from class edu.umn.cs.spatialHadoop.visualization.RasterLayer

height, inputMBR, width

Constructor Summary

Constructors

Constructor and Description
ImageRasterLayer() Default constructor is necessary to be able to deserialize it
ImageRasterLayer(Rectangle inputMBR, int width, int height) Creates a raster layer of the given size for a given (portion of) input data.

Method Summary

Methods

Modifier and Type	Method and Description
void	drawShape(Shape shape)
java.awt.image.BufferedImage	getImage()
protected java.awt.Graphics2D	getOrCreateGrahics(boolean translate)
void	mergeWith(ImageRasterLayer another)
void	readFields(java.io.DataInput in)
void	setColor(java.awt.Color color)
void	write(java.io.DataOutput out)

Methods inherited from class edu.umn.cs.spatialHadoop.visualization.RasterLayer

getHeight, getInputMBR, getWidth, projectToImageSpace

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

image

protected java.awt.image.BufferedImage image

The underlying image

graphics

protected java.awt.Graphics2D graphics

The graphics associated with the image if the image is in draw mode. If the image is not in draw mode, graphics will be null.

xscale

protected double xscale

The scale of the image on the x-axis in terms of pixels per input units

yscale

protected double yscale

The scale of the image on the y-axis in terms of pixels per input units

Constructor Detail

ImageRasterLayer

public ImageRasterLayer()

Default constructor is necessary to be able to deserialize it

ImageRasterLayer

public ImageRasterLayer(Rectangle inputMBR,
                int width,
                int height)

Creates a raster layer of the given size for a given (portion of) input data.

Parameters:

inputMBR - - the MBR of the input area to rasterize

width - - width the of the image to generate in pixels

height - - height of the image to generate in pixels

Method Detail

setColor

public void setColor(java.awt.Color color)

write

public void write(java.io.DataOutput out)
           throws java.io.IOException

Overrides:

write in class RasterLayer

Throws:

java.io.IOException

readFields

public void readFields(java.io.DataInput in)
                throws java.io.IOException

Overrides:

readFields in class RasterLayer

Throws:

java.io.IOException

mergeWith

public void mergeWith(ImageRasterLayer another)

getImage

public java.awt.image.BufferedImage getImage()

getOrCreateGrahics

protected java.awt.Graphics2D getOrCreateGrahics(boolean translate)

drawShape

public void drawShape(Shape shape)