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com.supermap.data

Class CoordSysTransMethod

java.lang.Object

com.supermap.data.Enum

com.supermap.data.CoordSysTransMethod

public class CoordSysTransMethod
extends Enum

Defines the projection transformation method type constant.

In projection transformation, if the geographic coordinate system or the source projection and the target projection are different, it is needed to convert the coordinate system.

There are two methods commonly used, they are the equation-based methods and the grid-based methods. This class provides method based on the equation. According to the number of the parameters used in the equation, the equation-based methods can be divided in to three-parameter and seven-parameter methods.For more information about these parameters refer to.

CoordSysTransParameterCoordSysTransParameter. The methods provided in this version are all seven-parameter methods except the Geocentric Translations.

Field Summary

Fields

Modifier and Type	Field and Description
static CoordSysTransMethod	MTH_BURSA_WOLF Bursa-Wolf.
static CoordSysTransMethod	MTH_COORDINATE_FRAME Seven-parameter method.
static CoordSysTransMethod	MTH_GEOCENTRIC_TRANSLATION Geocentric Translations.
static CoordSysTransMethod	MTH_MOLODENSKY Molodensky.
static CoordSysTransMethod	MTH_MOLODENSKY_ABRIDGED Abridged Molodensky.
static CoordSysTransMethod	MTH_POSITION_VECTOR Position vector.

Method Summary

Methods inherited from class com.supermap.data.Enum

equals, getEnums, getNameByValue, getNames, getValueByName, getValues, hashCode, isDefined, isDefined, name, parse, parse, toString, value

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Detail

MTH_GEOCENTRIC_TRANSLATION

public static final CoordSysTransMethod MTH_GEOCENTRIC_TRANSLATION

Geocentric Translations.

MTH_MOLODENSKY

public static final CoordSysTransMethod MTH_MOLODENSKY

Molodensky.

MTH_MOLODENSKY_ABRIDGED

public static final CoordSysTransMethod MTH_MOLODENSKY_ABRIDGED

Abridged Molodensky.

MTH_POSITION_VECTOR

public static final CoordSysTransMethod MTH_POSITION_VECTOR

Position vector.

MTH_COORDINATE_FRAME

public static final CoordSysTransMethod MTH_COORDINATE_FRAME

Seven-parameter method.

MTH_BURSA_WOLF

public static final CoordSysTransMethod MTH_BURSA_WOLF

Bursa-Wolf.

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