com.geoway.adf.gis.basic.geometry

Class GeometryFunc

java.lang.Object

com.geoway.adf.gis.basic.geometry.GeometryFunc

public class GeometryFunc
extends Object

几何对象功能类

Constructor Summary

Constructors

Constructor and Description
GeometryFunc()

Method Summary

Modifier and Type	Method and Description
static void	convertWkbType(int wkbType, RefObject<GeometryType> refGeometryType, RefObject<CoordinateType> refCoordinateType) wkb几何类型转换
static IEnvelope	createEnvelope(double xmin, double ymin, double xmax, double ymax) 创建矩形
static IGeometry	createGeometry(byte[] wkb) 根据wkb创建几何图形
static IGeometry	createGeometry(String wkt) 根据wkt创建几何图形
static IGeometry	createGeometryByObject(Object geometryObj) 根据几何对象创建
static IGeometry	createGeometryFromHex(String hexStr) 根据16进制字符串创建几何图形
static IGeometry	createGeometryFromJson(String geojson) 根据geojson创建几何图形
static IGeometry	forceToLineString(IGeometry geom_in) 强制转换成线段
static IGeometry	forceToMultiLineString(IGeometry geom_in) 强制转换成多线段
static IGeometry	forceToMultiPolygon(IGeometry geom_in) 强制转换成多多边形
static IGeometry	forceToPolygon(IGeometry geom_in) 强制转换成多边形
static IGeometry	mergeGeometrys(List<IGeometry> geometryList) 多个同类型的几何合并成一个几何，但是内部不融合
static byte[]	toEWkb(byte[] srcWkb, int srid) wkb转转成ewkb

Methods inherited from class java.lang.Object

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

Constructor Detail

GeometryFunc

public GeometryFunc()

Method Detail

createEnvelope

public static IEnvelope createEnvelope(double xmin,
                                       double ymin,
                                       double xmax,
                                       double ymax)

创建矩形

Parameters:

xmin -

xmax -

ymin -

ymax -

Returns:

createGeometry

public static IGeometry createGeometry(byte[] wkb)

根据wkb创建几何图形

Parameters:

wkb -

Returns:

createGeometry

public static IGeometry createGeometry(String wkt)

根据wkt创建几何图形

Parameters:

wkt -

Returns:

createGeometryFromHex

public static IGeometry createGeometryFromHex(String hexStr)

根据16进制字符串创建几何图形

Parameters:

hexStr -

Returns:

createGeometryFromJson

public static IGeometry createGeometryFromJson(String geojson)

根据geojson创建几何图形

Parameters:

geojson -

Returns:

createGeometryByObject

public static IGeometry createGeometryByObject(Object geometryObj)

根据几何对象创建

Parameters:

geometryObj -

Returns:

convertWkbType

public static void convertWkbType(int wkbType,
                                  RefObject<GeometryType> refGeometryType,
                                  RefObject<CoordinateType> refCoordinateType)

wkb几何类型转换

Parameters:

wkbType -

refGeometryType -

refCoordinateType -

mergeGeometrys

public static IGeometry mergeGeometrys(List<IGeometry> geometryList)

多个同类型的几何合并成一个几何，但是内部不融合

Parameters:

geometryList -

Returns:

forceToPolygon

public static IGeometry forceToPolygon(IGeometry geom_in)

强制转换成多边形

Parameters:

geom_in -

Returns:

forceToLineString

public static IGeometry forceToLineString(IGeometry geom_in)

强制转换成线段

Parameters:

geom_in -

Returns:

forceToMultiPolygon

public static IGeometry forceToMultiPolygon(IGeometry geom_in)

强制转换成多多边形

Parameters:

geom_in -

Returns:

forceToMultiLineString

public static IGeometry forceToMultiLineString(IGeometry geom_in)

强制转换成多线段

Parameters:

geom_in -

Returns:

toEWkb

public static byte[] toEWkb(byte[] srcWkb,
                            int srid)

wkb转转成ewkb

Parameters:

srcWkb -

srid -

Returns: