Package org.geotools.tile.util

Class AsyncTileLayer

Object

Layer

DirectLayer

TileLayer

AsyncTileLayer

public class AsyncTileLayer
extends TileLayer

This Layer is an attempt to speed rendering by using a CountDownLatch and threads to render each tile. The performance improvement is minimal, though.

Since:

12

Author:

Ugo Taddei

Field Summary

Fields inherited from class Layer

listenerList, selected, title, userData, visible

Constructor Summary

Constructors

Constructor	Description
AsyncTileLayer(TileService service)

Method Summary

Modifier and Type	Method	Description
protected void	localRenderTiles(Collection<Tile> tiles, Graphics2D g2d, ReferencedEnvelope viewportExtent, AffineTransform worldToImageTransform)
protected void	renderTile(Tile tile, Graphics2D g2d, double[] points)
protected void	renderTiles(Collection<Tile> tiles, Graphics2D g2d, ReferencedEnvelope viewportExtent, AffineTransform worldToImageTransform)

Methods inherited from class TileLayer

draw, getBounds, getCoverage, getTileImage

Methods inherited from class Layer

addMapLayerListener, connectDataListener, dispose, finalize, fireMapLayerListenerLayerChanged, fireMapLayerListenerLayerDeselected, fireMapLayerListenerLayerHidden, fireMapLayerListenerLayerPreDispose, fireMapLayerListenerLayerSelected, fireMapLayerListenerLayerShown, getFeatureSource, getQuery, getStyle, getTitle, getUserData, isSelected, isVisible, preDispose, removeMapLayerListener, setSelected, setTitle, setVisible, toString

Methods inherited from class Object

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

Constructor Detail

AsyncTileLayer

public AsyncTileLayer(TileService service)

Method Detail

renderTiles

protected void renderTiles(Collection<Tile> tiles,
                           Graphics2D g2d,
                           ReferencedEnvelope viewportExtent,
                           AffineTransform worldToImageTransform)

Overrides:

renderTiles in class TileLayer

renderTile

protected void renderTile(Tile tile,
                          Graphics2D g2d,
                          double[] points)

Overrides:

renderTile in class TileLayer

localRenderTiles

protected void localRenderTiles(Collection<Tile> tiles,
                                Graphics2D g2d,
                                ReferencedEnvelope viewportExtent,
                                AffineTransform worldToImageTransform)