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java.lang.Objectorg.geotools.referencing.wkt.Formattable
org.geotools.referencing.AbstractIdentifiedObject
org.geotools.referencing.datum.DefaultPrimeMeridian
public class DefaultPrimeMeridian
A prime meridian defines the origin from which longitude values are determined.
The name
initial value is "Greenwich", and that value shall be
used when the greenwich longitude value is
zero.
Field Summary | |
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static DefaultPrimeMeridian |
GREENWICH
The Greenwich meridian, with angular measurements in decimal degrees. |
Fields inherited from class org.geotools.referencing.AbstractIdentifiedObject |
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EMPTY_ALIAS_ARRAY, EMPTY_IDENTIFIER_ARRAY, IDENTIFIER_COMPARATOR, NAME_COMPARATOR, REMARKS_COMPARATOR |
Fields inherited from class org.geotools.referencing.wkt.Formattable |
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SINGLE_LINE |
Fields inherited from interface org.opengis.referencing.IdentifiedObject |
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ALIAS_KEY, IDENTIFIERS_KEY, NAME_KEY, REMARKS_KEY |
Constructor Summary | |
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DefaultPrimeMeridian(java.util.Map<java.lang.String,?> properties,
double greenwichLongitude,
javax.measure.unit.Unit<javax.measure.quantity.Angle> angularUnit)
Constructs a prime meridian from a set of properties. |
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DefaultPrimeMeridian(org.opengis.referencing.datum.PrimeMeridian meridian)
Constructs a new prime meridian with the same values than the specified one. |
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DefaultPrimeMeridian(java.lang.String name,
double greenwichLongitude)
Constructs a prime meridian from a name. |
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DefaultPrimeMeridian(java.lang.String name,
double greenwichLongitude,
javax.measure.unit.Unit<javax.measure.quantity.Angle> angularUnit)
Constructs a prime meridian from a name. |
Method Summary | |
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boolean |
equals(AbstractIdentifiedObject object,
boolean compareMetadata)
Compare this prime meridian with the specified object for equality. |
protected java.lang.String |
formatWKT(Formatter formatter)
Format the inner part of a Well Known Text (WKT) element. |
javax.measure.unit.Unit<javax.measure.quantity.Angle> |
getAngularUnit()
Returns the angular unit of the Greenwich longitude. |
double |
getGreenwichLongitude()
Longitude of the prime meridian measured from the Greenwich meridian, positive eastward. |
double |
getGreenwichLongitude(javax.measure.unit.Unit<javax.measure.quantity.Angle> targetUnit)
Returns the longitude value relative to the Greenwich Meridian, expressed in the specified units. |
int |
hashCode()
Returns a hash value for this prime meridian. |
Methods inherited from class org.geotools.referencing.AbstractIdentifiedObject |
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asSet, ensureAngularUnit, ensureLinearUnit, ensureNonNull, ensureNonNull, ensureTimeUnit, equals, equals, equals, equals, getAlias, getIdentifier, getIdentifier, getIdentifiers, getName, getName, getName, getProperties, getProperties, getRemarks, nameMatches, nameMatches, nameMatches |
Methods inherited from class org.geotools.referencing.wkt.Formattable |
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cleanupThreadLocals, toString, toWKT, toWKT, toWKT |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.opengis.referencing.IdentifiedObject |
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getAlias, getIdentifiers, getName, getRemarks, toWKT |
Field Detail |
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public static final DefaultPrimeMeridian GREENWICH
Constructor Detail |
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public DefaultPrimeMeridian(org.opengis.referencing.datum.PrimeMeridian meridian)
meridian
- The prime meridian to copy.public DefaultPrimeMeridian(java.lang.String name, double greenwichLongitude)
greenwichLongitude
value
is assumed in decimal degrees.
name
- The datum name.greenwichLongitude
- The longitude value relative to the Greenwich Meridian.public DefaultPrimeMeridian(java.lang.String name, double greenwichLongitude, javax.measure.unit.Unit<javax.measure.quantity.Angle> angularUnit)
name
- The datum name.greenwichLongitude
- The longitude value relative to the Greenwich Meridian.angularUnit
- The angular unit of the longitude.public DefaultPrimeMeridian(java.util.Map<java.lang.String,?> properties, double greenwichLongitude, javax.measure.unit.Unit<javax.measure.quantity.Angle> angularUnit)
properties
- Set of properties. Should contains at least "name"
.greenwichLongitude
- The longitude value relative to the Greenwich Meridian.angularUnit
- The angular unit of the longitude.Method Detail |
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public double getGreenwichLongitude()
greenwichLongitude
initial value is zero, and that value shall be used
when the meridian name value is "Greenwich".
getGreenwichLongitude
in interface org.opengis.referencing.datum.PrimeMeridian
public double getGreenwichLongitude(javax.measure.unit.Unit<javax.measure.quantity.Angle> targetUnit)
getGreenwichLongitude(NonSI.DEGREE_ANGLE)
), regardless of the underlying
angular units of this prime meridian.
targetUnit
- The unit in which to express longitude.
public javax.measure.unit.Unit<javax.measure.quantity.Angle> getAngularUnit()
getAngularUnit
in interface org.opengis.referencing.datum.PrimeMeridian
public boolean equals(AbstractIdentifiedObject object, boolean compareMetadata)
equals
in class AbstractIdentifiedObject
object
- The object to compare to this
.compareMetadata
- true
for performing a strict comparaison, or
false
for comparing only properties relevant to transformations.
true
if both objects are equal.public int hashCode()
equals
(AbstractIdentifiedObject, false)
.
hashCode
in class AbstractIdentifiedObject
protected java.lang.String formatWKT(Formatter formatter)
formatWKT
in class Formattable
formatter
- The formatter to use.
Formattable.toWKT()
,
Formattable.toString()
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