Package cn.mapway.geo.shared.vector

Class Box

java.lang.Object

cn.mapway.geo.shared.vector.Box

All Implemented Interfaces:

com.google.gwt.user.client.rpc.IsSerializable, Serializable

public class Box
extends Object
implements Serializable, com.google.gwt.user.client.rpc.IsSerializable

Box 这个box里 判断的前提是 坐标轴方向 为 向上 和 向右

Author:

zhangjianshe <zhangjianshe@gmail.com>

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
double	xmax
double	xmin
double	ymax
double	ymin

Constructor Summary

Constructors

Constructor	Description
Box()	初始化
Box(double xmin, double ymin, double xmax, double ymax)

Method Summary

Modifier and Type	Method	Description
Point	center()
Box	clone()
void	copyFrom(Box box)
void	copyTo(Box box)
Box	expand(double scale)	按比例扩展
void	expand(double x, double y)
void	expand(Box extend)
double	getHeight()
double	getWidth()
double	height()
void	inflate(double dx, double dy)
boolean	intersect(Box box)
boolean	isCross(Box tileBox)	判断两个 box是否相交
boolean	isInWgs84()	判断坐标是否在 wgs84范围内
void	magnify(double scale)
static void	main(String[] args)
Point	maxPoint()
void	merge(double minx, double maxx, double miny, double maxy)
void	merge(Box box)
Point	minPoint()
void	offset(double ox, double oy)
void	setValue(double xmin, double ymin, double xmax, double ymax)
String	toGeoJSON()
String	toString()
String	toViewBox()
String	toWKT()
double	width()

Methods inherited from class java.lang.Object

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

Field Details

xmin

public double xmin

ymin

public double ymin

xmax

public double xmax

ymax

public double ymax

Constructor Details

Box

public Box()

初始化

Box

public Box(double xmin,
 double ymin,
 double xmax,
 double ymax)

Method Details

setValue

public void setValue(double xmin,
 double ymin,
 double xmax,
 double ymax)

width

public double width()

height

public double height()

minPoint

public Point minPoint()

maxPoint

public Point maxPoint()

offset

public void offset(double ox,
 double oy)

magnify

public void magnify(double scale)

inflate

public void inflate(double dx,
 double dy)

center

public Point center()

toString

public String toString()

Overrides:

toString in class Object

toGeoJSON

public String toGeoJSON()

toWKT

public String toWKT()

merge

public void merge(double minx,
 double maxx,
 double miny,
 double maxy)

merge

public void merge(Box box)

copyFrom

public void copyFrom(Box box)

copyTo

public void copyTo(Box box)

clone

public Box clone()

Overrides:

clone in class Object

isCross

public boolean isCross(Box tileBox)

判断两个 box是否相交

Parameters:

tileBox -

Returns:

expand

public void expand(double x,
 double y)

isInWgs84

public boolean isInWgs84()

判断坐标是否在 wgs84范围内

Returns:

getWidth

public double getWidth()

getHeight

public double getHeight()

expand

public Box expand(double scale)

按比例扩展

Parameters:

scale -

Returns:

intersect

public boolean intersect(Box box)

toViewBox

public String toViewBox()

expand

public void expand(Box extend)

main

public static void main(String[] args)