Package uk.ac.rdg.resc.edal.graphics.style

Class SizedArrowLayer

java.lang.Object

uk.ac.rdg.resc.edal.graphics.style.Drawable

uk.ac.rdg.resc.edal.graphics.style.ImageLayer

uk.ac.rdg.resc.edal.graphics.style.GriddedImageLayer

uk.ac.rdg.resc.edal.graphics.style.SizedArrowLayer

Direct Known Subclasses:

ColouredSizedArrowLayer

public class SizedArrowLayer
extends GriddedImageLayer

Nested Class Summary

Nested classes/interfaces inherited from class uk.ac.rdg.resc.edal.graphics.style.GriddedImageLayer

GriddedImageLayer.MapFeatureDataReader

Nested classes/interfaces inherited from class uk.ac.rdg.resc.edal.graphics.style.ImageLayer

ImageLayer.MetadataFilter

Nested classes/interfaces inherited from class uk.ac.rdg.resc.edal.graphics.style.Drawable

Drawable.NameAndRange

Field Summary

Fields

Modifier and Type	Field	Description
protected String	arrowSizeFieldName
protected String	directionFieldName

Constructor Summary

Constructors

Constructor	Description
SizedArrowLayer(String directionFieldName, String magnitudeFieldName, Integer minArrowSize, Integer maxArrowSize, ScaleRange magnitudeScaleRange, Color arrowColour, ArrowLayer.ArrowStyle arrowStyle)
SizedArrowLayer(String directionFieldName, String magnitudeFieldName, Integer minArrowSize, Integer maxArrowSize, ScaleRange magnitudeScaleRange, Color arrowColour, ArrowLayer.ArrowStyle arrowStyle, ArrowLayer.ArrowDirectionConvention arrowDirectionConvention)

Method Summary

Modifier and Type	Method	Description
protected void	drawArrows(BufferedImage image, GriddedImageLayer.MapFeatureDataReader dataReader, Array2D<Number> directions, Array2D<Number> sizeData, Array2D<Number> colourData)
protected void	drawIntoImage(BufferedImage image, GriddedImageLayer.MapFeatureDataReader dataReader)	Draws the data into the supplied image.
protected Color	getArrowColour(Number magnitude)
Set<Drawable.NameAndRange>	getFieldsWithScales()

Methods inherited from class uk.ac.rdg.resc.edal.graphics.style.GriddedImageLayer

drawIntoImage, supportedFeatureTypes

Methods inherited from class uk.ac.rdg.resc.edal.graphics.style.ImageLayer

drawImage, getMetadataFilter

Methods inherited from class uk.ac.rdg.resc.edal.graphics.style.Drawable

getOpacityTransform, setOpacityTransform

Methods inherited from class java.lang.Object

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

Field Detail

directionFieldName

protected String directionFieldName

arrowSizeFieldName

protected String arrowSizeFieldName

Constructor Detail

SizedArrowLayer

public SizedArrowLayer(String directionFieldName,
                       String magnitudeFieldName,
                       Integer minArrowSize,
                       Integer maxArrowSize,
                       ScaleRange magnitudeScaleRange,
                       Color arrowColour,
                       ArrowLayer.ArrowStyle arrowStyle)

SizedArrowLayer

public SizedArrowLayer(String directionFieldName,
                       String magnitudeFieldName,
                       Integer minArrowSize,
                       Integer maxArrowSize,
                       ScaleRange magnitudeScaleRange,
                       Color arrowColour,
                       ArrowLayer.ArrowStyle arrowStyle,
                       ArrowLayer.ArrowDirectionConvention arrowDirectionConvention)

Method Detail

getArrowColour

protected Color getArrowColour(Number magnitude)

drawIntoImage

protected void drawIntoImage(BufferedImage image,
                             GriddedImageLayer.MapFeatureDataReader dataReader)
                      throws EdalException

Description copied from class: GriddedImageLayer

Draws the data into the supplied image.

Specified by:

drawIntoImage in class GriddedImageLayer

Parameters:

image - A BufferedImage to draw into

dataReader - A GriddedImageLayer.MapFeatureDataReader which is used to obtain the actual data values and domain. The MapDomain returned will match the size of the image, and pixels are georeferenced to the GridCell2Ds which comprise the domain

Throws:

EdalException - If there is a problem reading the data or drawing into the image

drawArrows

protected void drawArrows(BufferedImage image,
                          GriddedImageLayer.MapFeatureDataReader dataReader,
                          Array2D<Number> directions,
                          Array2D<Number> sizeData,
                          Array2D<Number> colourData)

getFieldsWithScales

public Set<Drawable.NameAndRange> getFieldsWithScales()

Specified by:

getFieldsWithScales in class Drawable

Returns:

A list of all the fields used in this image layer, and their appropriate scale ranges. If there is NO scale range there can be NO data field and vice versa - i.e. a Drawable.NameAndRange object must have all non-null fields. If the layer doesn't depend on any data, this should return an empty set. It should never return null.