Package gaiasky.util.svt

Class SVTQuadtreeBuilder

java.lang.Object

gaiasky.util.svt.SVTQuadtreeBuilder

public class SVTQuadtreeBuilder
extends Object

Builds a quadtree from a file system path.

The SVT is laid out in a quadtree where each tile is subdivided into four at each level. In the file system, tiles are grouped by level. Each level is in its own directory with the format:

level\d+ -> (level3)

The files use the format:

tx[_|-| ]\d+[_|-| ]\d+\.\w+ -> (tx_0_2.jpg)

The tiles can be in any of the supported image formats in Gaia Sky.

Constructor Summary

Constructors

Constructor	Description
SVTQuadtreeBuilder()

Method Summary

Modifier and Type	Method	Description
SVTQuadtree<Path>	build(String name, Path location, int tileSize)	Creates a new SVT quadtree and initializes it with the given file system location and the given tile size.

Methods inherited from class java.lang.Object

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

Constructor Details

SVTQuadtreeBuilder

public SVTQuadtreeBuilder()

Method Details

build

public SVTQuadtree<Path> build(String name,
 Path location,
 int tileSize)

Creates a new SVT quadtree and initializes it with the given file system location and the given tile size.

Parameters:

name - The name of the tree.

location - The location where the levels are. A directory for each level is expected within this location, with the name "level[num]". Usually, "level0" is mandatory.

tileSize - The size (width and height) of each tile in the SVT.

Returns:

The SVT quadtree object.