程序包 org.meteoinfo.map

类 ProjectionSet

java.lang.Object

org.meteoinfo.map.ProjectionSet

public class ProjectionSet
extends Object

作者:

Yaqiang Wang

构造器概要

构造器

构造器	说明
ProjectionSet()	Constructor

方法概要

限定符和类型	方法	说明
void	addProjectionChangedListener(IProjectionChangedListener listener)
void	fireProjectionChangedEvent()
Extent	getProjectedExtentFromLonLat(Extent sExtent)	Get projected extent from lon/lat
ProjectionInfo	getProjInfo()	Get projection info
String	getProjStr()	Get Porj4 string
boolean	isLonLatMap()	Get if is Lon/Lat projection
double	projectAngle(double oAngle, double[] fromP1, double[] toP1, ProjectionInfo fromProj, ProjectionInfo toProj)	Project angle
void	projectLayers(MapView aMapView, ProjectionInfo toProj)	Project layers
void	projectLayers(MapView aMapView, ProjectionInfo toProj, boolean isUpdateView)	Project layers
PolygonShape	projectPolygonShape(PolygonShape aPGS, ProjectionInfo fromProj, ProjectionInfo toProj)	Project polygon shape
void	removeViewExtentChangedListener(IProjectionChangedListener listener)
void	setProjInfo(ProjectionInfo projInfo)	Set projection info
void	setProjStr(String projStr)	Set proj4 string

从类继承的方法 java.lang.Object

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

构造器详细资料

ProjectionSet

public ProjectionSet()

Constructor

方法详细资料

addProjectionChangedListener

public void addProjectionChangedListener(IProjectionChangedListener listener)

removeViewExtentChangedListener

public void removeViewExtentChangedListener(IProjectionChangedListener listener)

fireProjectionChangedEvent

public void fireProjectionChangedEvent()

isLonLatMap

public boolean isLonLatMap()

Get if is Lon/Lat projection

返回:

Boolean

getProjInfo

public ProjectionInfo getProjInfo()

Get projection info

返回:

Projection Info

setProjInfo

public void setProjInfo(ProjectionInfo projInfo)

Set projection info

参数:

projInfo - The Projection info

getProjStr

public String getProjStr()

Get Porj4 string

返回:

Proj4 string

setProjStr

public void setProjStr(String projStr)

Set proj4 string

参数:

projStr - Porj4 string

getProjectedExtentFromLonLat

public Extent getProjectedExtentFromLonLat(Extent sExtent)

Get projected extent from lon/lat

参数:

sExtent - Lon/lat extent

返回:

Projected extent

projectLayers

public void projectLayers(MapView aMapView,
                          ProjectionInfo toProj)

Project layers

参数:

aMapView - The Map view

toProj - To projection info

projectLayers

public void projectLayers(MapView aMapView,
                          ProjectionInfo toProj,
                          boolean isUpdateView)

Project layers

参数:

aMapView - The map view

toProj - To projection

isUpdateView - If repaint mapview

projectPolygonShape

public PolygonShape projectPolygonShape(PolygonShape aPGS,
                                        ProjectionInfo fromProj,
                                        ProjectionInfo toProj)

Project polygon shape

参数:

aPGS - A polygon shape

fromProj - From projection

toProj - To porjection

返回:

Projected polygon shape

projectAngle

public double projectAngle(double oAngle,
                           double[] fromP1,
                           double[] toP1,
                           ProjectionInfo fromProj,
                           ProjectionInfo toProj)

Project angle

参数:

oAngle - The angle

fromP1 - From point

toP1 - To point

fromProj - From projection

toProj - To projection

返回:

Projected angle