com.geoway.mobile.projections

类 EPSG3857

java.lang.Object

com.geoway.mobile.projections.Projection

com.geoway.mobile.projections.EPSG3857

public class EPSG3857
extends Projection

EPSG：3857是一个球形墨卡托投影坐标系统，由Web服务如谷歌和后来的OpenStreetMap推广。z坐标表示高度米。

字段概要

字段

限定符和类型	字段和说明
static int	EARTH_RADIUS

从类继承的字段 com.geoway.mobile.projections.Projection

swigCMemOwn

构造器概要

构造器

构造器和说明
EPSG3857()
EPSG3857(long cPtr, boolean cMemoryOwn)

方法概要

限定符和类型	方法和说明
void	delete()
protected void	finalize()
double	fromInternalScale(double size) 根据内部坐标转墨卡托坐标
MapPos	fromWgs84(MapPos wgs84Pos) 根据84坐标转墨卡托坐标
static long	getCPtr(EPSG3857 obj)
static double	getHALF_EARTH_RADIUS()
static double	getMETERS_TO_INTERNAL_EQUATOR()
java.lang.String	getName() 获取投影名称，例如"EPSG:3857"
void	setSupportWgs84(boolean bSupport)
static EPSG3857	swigCreatePolymorphicInstance(long cPtr, boolean cMemoryOwn) Creates a polymorphic instance of the given native object.
java.lang.String	swigGetClassName() Returns the actual class name of this object.
java.lang.Object	swigGetDirectorObject() Returns the connected director object.
MapPos	toWgs84(MapPos mapPos) 根据墨卡托坐标转84坐标

从类继承的方法 com.geoway.mobile.projections.Projection

equals, fromLatLong, getBounds, getCPtr, getLocalScale, hashCode, isSupportWgs84, toLatLong

从类继承的方法 java.lang.Object

clone, getClass, notify, notifyAll, toString, wait, wait, wait

字段详细资料

EARTH_RADIUS

public static final int EARTH_RADIUS

构造器详细资料

EPSG3857

public EPSG3857(long cPtr,
                boolean cMemoryOwn)

EPSG3857

public EPSG3857()

方法详细资料

getCPtr

public static long getCPtr(EPSG3857 obj)

finalize

protected void finalize()

覆盖:

finalize 在类中 Projection

delete

public void delete()

覆盖:

delete 在类中 Projection

swigCreatePolymorphicInstance

public static EPSG3857 swigCreatePolymorphicInstance(long cPtr,
                                                     boolean cMemoryOwn)

Creates a polymorphic instance of the given native object. This is used internally by the SDK.

参数:

cPtr - The native pointer of the instance.

cMemoryOwn - The ownership flag.

返回:

The created instance.

fromInternalScale

public double fromInternalScale(double size)

根据内部坐标转墨卡托坐标

覆盖:

fromInternalScale 在类中 Projection

参数:

size
-

返回:

fromWgs84

public MapPos fromWgs84(MapPos wgs84Pos)

根据84坐标转墨卡托坐标

覆盖:

fromWgs84 在类中 Projection

参数:

wgs84Pos - 84坐标

返回:

墨卡托坐标

toWgs84

public MapPos toWgs84(MapPos mapPos)

根据墨卡托坐标转84坐标

覆盖:

toWgs84 在类中 Projection

参数:

mapPos - 墨卡托坐标

返回:

84坐标

getName

public java.lang.String getName()

从类复制的说明: Projection

获取投影名称，例如"EPSG:3857"

覆盖:

getName 在类中 Projection

返回:

投影名称

setSupportWgs84

public void setSupportWgs84(boolean bSupport)

覆盖:

setSupportWgs84 在类中 Projection

getHALF_EARTH_RADIUS

public static double getHALF_EARTH_RADIUS()

getMETERS_TO_INTERNAL_EQUATOR

public static double getMETERS_TO_INTERNAL_EQUATOR()

swigGetClassName

public java.lang.String swigGetClassName()

Returns the actual class name of this object. This is used internally by the SDK.

覆盖:

swigGetClassName 在类中 Projection

返回:

The class name of this object.

swigGetDirectorObject

public java.lang.Object swigGetDirectorObject()

Returns the connected director object. This is used internally by the SDK.

覆盖:

swigGetDirectorObject 在类中 Projection

返回:

The connected director object or null if director is not connected.