org.gvsig.fmap.geom.impl.DefaultGeometryManager
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java.lang.Object
public class DefaultGeometryManager
Default implementation for the GeometryManager. When the
application starts, this class is registered in the GeometryLocator
using the DefaultGeometryLibrary.
| Nested Class Summary |
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| Nested classes/interfaces inherited from interface org.gvsig.fmap.geom.GeometryManager |
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GeometryManager.OPERATIONS |
| Constructor Summary | |
|---|---|
DefaultGeometryManager()
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DefaultGeometryManager(int initialTypesSize,
int initialSubtypesSize)
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| Method Summary | |
|---|---|
Geometry |
create(GeometryType geomType)
This method creates a Geometry with the type specified by this
GeometryType. |
Geometry |
create(int type,
int subType)
This method creates a Geometry with a concrete type and subtype. |
Geometry |
create(String name)
This method creates a Geometry with the type specified by this
name. |
Curve |
createCurve(GeneralPathX generalPathX,
int subType)
Create a new curve with a concrete type and sets the value for the coordinates using a GeneralPathX. |
Envelope |
createEnvelope(double minX,
double minY,
double maxX,
double maxY,
int subType)
Creates a Envelope with a concrete subtype. |
Envelope |
createEnvelope(int subType)
Creates a Envelope with a concrete subtype. |
Geometry |
createFrom(byte[] wkb)
Create a geometry from a WKB definition. |
Geometry |
createFrom(String wkt)
|
Geometry |
createFrom(String wkt,
String srs)
Create a geometry from a WKT definition. |
MultiCurve |
createMultiCurve(GeneralPathX generalPathX,
int subType)
Create a new multicurve with a concrete type and sets the value for the coordinates using a GeneralPathX. |
MultiSurface |
createMultiSurface(GeneralPathX generalPathX,
int subType)
Create a new multisurface with a concrete type and sets the value for the coordinates using a GeneralPathX. |
NullGeometry |
createNullGeometry(int subType)
It creates a null geometry with a concrete subtype. |
Point |
createPoint(double x,
double y,
int subType)
Create a new point with a concrete type and sets the value for the X and the Y. |
Surface |
createSurface(GeneralPathX generalPathX,
int subType)
Create a new surface with a concrete type and sets the value for the coordinates using a GeneralPathX. |
double |
getFlatness()
Returns the flatness used to convert a curve is a set of points. |
GeometryOperation |
getGeometryOperation(int opCode)
Returns an common operation with given operation code. |
GeometryOperation |
getGeometryOperation(int opCode,
int type,
int subType)
Returns an operation given the Geometry type, the Geometry subtype and and the operation code. |
int |
getGeometryOperationCode(String geomOpName)
Registers the unique name of one operation. |
List |
getGeometryOperationNames()
Returns a list with the name of the operations that have been registered. |
GeometryType |
getGeometryType(int type,
int subType)
Returns an instance of GeometryType given the Geometry type and the subtype. |
Object |
invokeOperation(int opCode,
Geometry geom,
GeometryOperationContext ctx)
Invokes an operation given its code, the geometry and the operation context holding the parameters required for the operation. |
Object |
invokeOperation(String geomOpName,
Geometry geom,
GeometryOperationContext ctx)
Invokes an operation given its code, the geometry and the operation context holding the parameters required for the operation. |
Object |
invokeOperation(String geomOpName,
GeometryOperationContext ctx)
Invokes an operation given its code, and the operation context holding the parameters required for the operation. |
int |
registerGeometryOperation(String geomOpName,
GeometryOperation geomOp)
Registers a GeometryOperation that is common for all GeometryType (registered yet or not). |
int |
registerGeometryOperation(String geomOpName,
GeometryOperation geomOp,
GeometryType geomType)
Registers a GeometryOperation associated to a GeometryType. |
int |
registerGeometryOperation(String geomOpName,
GeometryOperation geomOp,
int type)
Registers a GeometryOperation associated to all the geometries with a concrete type. |
int |
registerGeometryOperation(String geomOpName,
GeometryOperation geomOp,
int type,
int subType)
Registers a GeometryOperation associated to a GeometryType, that has been specified using the type code and the subtype code. |
int |
registerGeometryOperationBySubtype(String geomOpName,
GeometryOperation geomOp,
int subType)
Registers a GeometryOperation associated to all the geometries with a concrete subtype. |
int |
registerGeometryOperationBySuperSubType(String geomOpName,
GeometryOperation geomOp,
int superSubType)
Registers a GeometryOperation associated to all the geometries which super subType matches with a concrete subType. |
int |
registerGeometryOperationBySuperType(String geomOpName,
GeometryOperation geomOp,
int superType)
Registers a GeometryOperation associated to all the geometries which super type matches with a concrete type. |
GeometryType |
registerGeometryType(Class geomClass,
int type,
int subType)
Registers a Geometry implementation class with a predefined geometry type and returns the associated GeometryType instance. |
GeometryType |
registerGeometryType(Class geomClass,
String name,
int type,
int subType)
Registers a Geometry implementation class with a predefined geometry type and returns the associated GeometryType instance. |
GeometryType |
registerGeometryType(Class geomClass,
String name,
int type,
int subType,
int superType)
Registers a Geometry implementation class with a predefined geometry type and returns the associated GeometryType instance. |
GeometryType |
registerGeometryType(Class geomClass,
String name,
int type,
int subType,
int[] superTypes)
Registers a Geometry implementation class with a predefined geometry type and returns the associated GeometryType instance. |
GeometryType |
registerGeometryType(Class geomClass,
String name,
int type,
int subType,
int[] superTypes,
int[] superSubTypes)
Registers a Geometry implementation class with a predefined geometry type and returns the associated GeometryType instance. |
GeometryType |
registerGeometryType(Class geomClass,
String name,
int type,
int subType,
int superType,
int superSubType)
Registers a Geometry implementation class with a predefined geometry type and returns the associated GeometryType instance. |
void |
registerGeometryType(GeometryType geometryType)
Registers a GeometryType instance. |
void |
setFlatness(double flatness)
Sets the application flatness. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public DefaultGeometryManager()
public DefaultGeometryManager(int initialTypesSize,
int initialSubtypesSize)
| Method Detail |
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public int registerGeometryOperation(String geomOpName,
GeometryOperation geomOp,
GeometryType geomType)
GeometryManagerRegisters a GeometryOperation associated to a GeometryType. Returns an unique index that is used later to identify and invoke the operation.
By convention this index should be in a final and static variable in the
class that implements the operation. The value of this variable must be
set using the method
GeometryManager.getGeometryOperationCode(String):
public class MyOperation extends GeometryOperation {
public static final int CODE = GeometryLocator.getGeometryManager()
.getGeometryOperationCode("MyOperation");
}
registerGeometryOperation in interface GeometryManagergeomOpName - Operation's unique namegeomOp - Specific GeometryOperation's instance implementing this
operationgeomType - GeometryType instance to which this operation should be
associated
public int registerGeometryOperation(String geomOpName,
GeometryOperation geomOp)
GeometryManagerRegisters a GeometryOperation that is common for all GeometryType (registered yet or not). Returns an unique index that is used later to identify and invoke the operation.
By convention this index should be in a final and static variable in the
class that implements the operation. The value of this variable must be
set using the method
GeometryManager.getGeometryOperationCode(String):
public class MyOperation extends GeometryOperation {
public static final int CODE = GeometryLocator.getGeometryManager()
.getGeometryOperationCode("MyOperation");
}
registerGeometryOperation in interface GeometryManagergeomOpName - Operation's unique namegeomOp - Specific GeometryOperation's instance implementing this
operation
public int registerGeometryOperation(String geomOpName,
GeometryOperation geomOp,
int type,
int subType)
throws GeometryTypeNotSupportedException,
GeometryTypeNotValidException
GeometryManagerRegisters a GeometryOperation associated to a GeometryType, that has been specified using the type code and the subtype code. Returns an unique index that is used later to identify and invoke the operation.
By convention this index should be in a final and static variable in the
class that implements the operation. The value of this variable must be
set using the method
GeometryManager.getGeometryOperationCode(String):
public class MyOperation extends GeometryOperation {
public static final int CODE = GeometryLocator.getGeometryManager()
.getGeometryOperationCode("MyOperation");
}
This method is only used if you have not a reference to the GeometryType
associated to the geometry class. If you have such reference then it is
slightly faster to use the method that receives the GeometryType.
registerGeometryOperation in interface GeometryManagergeomOpName - Operation's unique namegeomOp - Specific GeometryOperation's instance implementing this
operationtype - Type of geometry. Must be a value defined in
Geometry.TYPESsubType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPES
GeometryTypeNotSupportedException - Returns this exception if there is not a registered geometry
with
these type and subtype
GeometryTypeNotValidException - Returns if the type and subtype are not valid
public int registerGeometryOperation(String geomOpName,
GeometryOperation geomOp,
int type)
GeometryManager
Registers a GeometryOperation associated to all the geometries with a
concrete type. Returns an unique index that is used later to identify and
invoke the operation.
By convention this index should be in a final and static variable in the
class that implements the operation. The value of this variable must be
set using the method
GeometryManager.getGeometryOperationCode(String):
public class MyOperation extends GeometryOperation {
public static final int CODE = GeometryLocator.getGeometryManager()
.getGeometryOperationCode("MyOperation");
}
registerGeometryOperation in interface GeometryManagergeomOpName - Operation's unique namegeomOp - Specific GeometryOperation's instance implementing this
operationtype - Type of geometry. Must be a value defined in
Geometry.TYPES
public int registerGeometryOperationBySubtype(String geomOpName,
GeometryOperation geomOp,
int subType)
GeometryManager
Registers a GeometryOperation associated to all the geometries with a
concrete subtype. Returns an unique index that is used later to identify
and invoke the operation.
By convention this index should be in a final and static variable in the
class that implements the operation. The value of this variable must be
set using the method
GeometryManager.getGeometryOperationCode(String):
public class MyOperation extends GeometryOperation {
public static final int CODE = GeometryLocator.getGeometryManager()
.getGeometryOperationCode("MyOperation");
}
registerGeometryOperationBySubtype in interface GeometryManagergeomOpName - Operation's unique namegeomOp - Specific GeometryOperation's instance implementing this
operationsubType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPES
public int registerGeometryOperationBySuperType(String geomOpName,
GeometryOperation geomOp,
int superType)
GeometryManager
Registers a GeometryOperation associated to all the geometries which
super type matches with a concrete type. Returns an unique index that
is used later to identify and invoke the operation.
By convention this index should be in a final and static variable in the
class that implements the operation. The value of this variable must be
set using the method
GeometryManager.getGeometryOperationCode(String):
public class MyOperation extends GeometryOperation {
public static final int CODE = GeometryLocator.getGeometryManager()
.getGeometryOperationCode("MyOperation");
}
registerGeometryOperationBySuperType in interface GeometryManagergeomOpName - Operation's unique namegeomOp - Specific GeometryOperation's instance implementing this
operationsuperType - super type of geometries that is used to register
the operation. Must be a value defined in
Geometry.TYPES
public int registerGeometryOperationBySuperSubType(String geomOpName,
GeometryOperation geomOp,
int superSubType)
GeometryManager
Registers a GeometryOperation associated to all the geometries which
super subType matches with a concrete subType. Returns an unique index that
is used later to identify and invoke the operation.
By convention this index should be in a final and static variable in the
class that implements the operation. The value of this variable must be
set using the method
GeometryManager.getGeometryOperationCode(String):
public class MyOperation extends GeometryOperation {
public static final int CODE = GeometryLocator.getGeometryManager()
.getGeometryOperationCode("MyOperation");
}
registerGeometryOperationBySuperSubType in interface GeometryManagergeomOpName - Operation's unique namegeomOp - Specific GeometryOperation's instance implementing this
operationsuperSubType - super subType of geometries that is used to register
the operation. Must be a value defined in
Geometry.SUBTYPES
public GeometryType registerGeometryType(Class geomClass,
String name,
int type,
int subType)
GeometryManager
Registers a Geometry implementation class with a predefined geometry type
and returns the associated GeometryType instance. Available predefined
types are defined in Geometry.TYPES and the subtypes are defined
in Geometry.SUBTYPES.
How to register a geometry class with a predefined type:
GeometryType geomType = GeometryLocator.getGeometryManager()
.registerBasicGeometryType(Point2D.class, "Point2D", Geometry.TYPES.POINT,
Geometry.SYBTYPES.GEOM2D);
registerGeometryType in interface GeometryManagergeomClass - Geometry subclass. It must not be null and must implement
Geometry, otherwise an exception
is raised.name - Symbolic name for the geometry type, it can be null. If it is
null then the symbolic name
will be the simple class name.type - Type of geometry. Must be a value defined in
Geometry.TYPESsubType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPES
public GeometryType registerGeometryType(Class geomClass,
String name,
int type,
int subType,
int superType,
int superSubType)
GeometryManager
Registers a Geometry implementation class with a predefined geometry type
and returns the associated GeometryType instance. Available predefined
types are defined in Geometry.TYPES and the subtypes are defined
in Geometry.SUBTYPES.
It adds also the super type and the super subType of the geometry, that can be used to check if the type (or the subtype) inherits of other type (or subType)
How to register a geometry class with a predefined type:
GeometryType geomType = GeometryLocator.getGeometryManager()
.registerBasicGeometryType(Arc3D.class, "Arc3D", Geometry.TYPES.ARC,
Geometry.SYBTYPES.GEOM3D, Geometry.TYPES.CURVE, Geometry.SYBTYPES.GEOM2D);
registerGeometryType in interface GeometryManagergeomClass - Geometry subclass. It must not be null and must implement
Geometry, otherwise an exception
is raised.name - Symbolic name for the geometry type, it can be null. If it is
null then the symbolic name
will be the simple class name.type - Type of geometry. Must be a value defined in
Geometry.TYPESsubType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPESsuperType - Super type of a geometry. Must be a value defined in
Geometry.TYPESsuperSubType - Super subType of a geometry. Must be a value defined in
Geometry.SUBTYPES
public GeometryType registerGeometryType(Class geomClass,
String name,
int type,
int subType,
int superType)
GeometryManager
Registers a Geometry implementation class with a predefined geometry type
and returns the associated GeometryType instance. Available predefined
types are defined in Geometry.TYPES and the subtypes are defined
in Geometry.SUBTYPES.
It adds also the super type of the geometry, that can be used to check if the type inherits of other type.
How to register a geometry class with a predefined type:
GeometryType geomType = GeometryLocator.getGeometryManager()
.registerBasicGeometryType(Arc3D.class, "Arc3D", Geometry.TYPES.ARC,
Geometry.SYBTYPES.GEOM3D, Geometry.TYPES.CURVE);
registerGeometryType in interface GeometryManagergeomClass - Geometry subclass. It must not be null and must implement
Geometry, otherwise an exception
is raised.name - Symbolic name for the geometry type, it can be null. If it is
null then the symbolic name
will be the simple class name.type - Type of geometry. Must be a value defined in
Geometry.TYPESsubType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPESsuperType - Super type of a geometry. Must be a value defined in
Geometry.TYPES
public GeometryType registerGeometryType(Class geomClass,
String name,
int type,
int subType,
int[] superTypes)
GeometryManager
Registers a Geometry implementation class with a predefined geometry type
and returns the associated GeometryType instance. Available predefined
types are defined in Geometry.TYPES and the subtypes are defined
in Geometry.SUBTYPES.
It adds also the super types and the super subTypes of the geometry, that can be used to check if the type inherits of other types.
How to register a geometry class with a predefined type:
GeometryType geomType = GeometryLocator.getGeometryManager()
.registerBasicGeometryType(Circle2D.class, "Circle2DM", Geometry.TYPES.CIRCLE,
Geometry.SYBTYPES.GEOM2D,
new int[]{Geometry.TYPES.CURVE, Geometry.TYPES.SURFACE});
registerGeometryType in interface GeometryManagergeomClass - Geometry subclass. It must not be null and must implement
Geometry, otherwise an exception
is raised.name - Symbolic name for the geometry type, it can be null. If it is
null then the symbolic name
will be the simple class name.type - Type of geometry. Must be a value defined in
Geometry.TYPESsubType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPESsuperTypes - List of the super types of a geometry. Must be a value defined in
Geometry.TYPES
public GeometryType registerGeometryType(Class geomClass,
String name,
int type,
int subType,
int[] superTypes,
int[] superSubTypes)
Geometry.TYPES If the class is already registered then this
method throws an IllegalArgumentException.
public class Point2D implements Point {
private static final GeometryType geomType = GeometryManager.getInstance()
.registerBasicGeometryType(Point2D.class, "Point2D", Geometry.TYPES.POINT);
...
public int getType() {
return geomType.getType();
}
}
registerGeometryType in interface GeometryManagergeomClass - Geometry subclass. It must not be null and must implement
Geometry, otherwise an exception
is raised.name - Symbolic name for the geometry type, it can be null. If it is
null then the symbolic name
will be the simple class name.id - Geometry identifier.type - Type of geometry. Must be a value defined in
Geometry.TYPESsubType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPES
IllegalArgumentException - If geomClass is null or does not implement Geometrypublic void registerGeometryType(GeometryType geometryType)
GeometryManagerRegisters a GeometryType instance.
registerGeometryType in interface GeometryManagergeometryType - A GeometryType instance to create Geometry objects
public GeometryType registerGeometryType(Class geomClass,
int type,
int subType)
GeometryManager
Registers a Geometry implementation class with a predefined geometry type
and returns the associated GeometryType instance. Available predefined
types are defined in Geometry.TYPES and the subtypes are defined
in Geometry.SUBTYPES.
In this case the symbolic name will be the geometry's simple class name
How to register a new geometry type:
GeometryType geomType = GeometryLocator.getGeometryManager()
.registerBasicGeometryType(Point2D.class, Geometry.TYPES.POINT,
Geometry.SYBTYPES.GEOM2D);
registerGeometryType in interface GeometryManagergeomClass - Geometry implementation class. It must not be null and must
implement Geometry,
otherwise an exception is thrown.type - Type of geometry. Must be a value defined in
Geometry.TYPESsubType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPES
public GeometryType getGeometryType(int type,
int subType)
throws GeometryTypeNotSupportedException,
GeometryTypeNotValidException
GeometryManagerReturns an instance of GeometryType given the Geometry type and the subtype.
getGeometryType in interface GeometryManagertype - Type of geometry. Must be a value defined in
Geometry.TYPESsubType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPES
GeometryTypeNotSupportedException - Returns this exception if there is not a registered geometry
with
these type and subtype
GeometryTypeNotValidException - Returns if the type and subtype are not valid
public Geometry create(GeometryType geomType)
throws CreateGeometryException
GeometryManager
This method creates a Geometry with the type specified by this
GeometryType. The geometry is empty, and all the internal attributes must
be assigned to a value when the geometry has been created.
This example creates a point2D and sets the coordinates to 1,1:
Point point =
(Point) GeometryLocator.getGeometryManager().create(GEOMETRY.TYPES.POINT,
GEOMETRY.SUBTYPES.GEOM2D);
point.setX(1);
point.setY(1);
create in interface GeometryManagergeomType - The geometry type
CreateGeometryException - This exception is thrown when the manager can not create
the geometry.
public Geometry create(String name)
throws CreateGeometryException
GeometryManager
This method creates a Geometry with the type specified by this
name. If a geometry with this name doesn't exist, a
IllegalArgumentException is thrown. The geometry is empty, and
all the internal attributes must be assigned to a value when the geometry
has been created.
This example creates a point2D and sets the coordinates to 1,1: It supposes that there is a Point2D class with name "Point2D".
Point point = (Point) GeometryLocator.getGeometryManager().create("Point2D");
point.setX(1);
point.setY(1);
create in interface GeometryManagername - The name of the geometry type
CreateGeometryException - This exception is thrown when the manager can not create
the geometry.
public Geometry create(int type,
int subType)
throws CreateGeometryException
GeometryManager
This method creates a Geometry with a concrete type and subtype.
The geometry is empty, and all the internal attributes must be assigned
to a value when the geometry has been created.
This example creates a point2D and sets the coordinates to 1,1. It supposes that there is a Point2D class with the id 1.
Point point =
(Point) GeometryLocator.getGeometryManager().create(Geometry.TYPES.POINT,
Geometry.SYBTYPES.GEOM2D);
point.setX(1);
point.setY(1);
create in interface GeometryManagertype - Type of geometry. Must be a value defined in
Geometry.TYPESsubType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPES
CreateGeometryException - This exception is thrown when the manager can not create
the geometry.
public Curve createCurve(GeneralPathX generalPathX,
int subType)
throws CreateGeometryException
GeometryManagerCreate a new curve with a concrete type and sets the value for the coordinates using a GeneralPathX.
createCurve in interface GeometryManagergeneralPathX - It is used to set the values for the X and Y coordinates.subType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPES
CreateGeometryException - This exception is thrown when the manager can not create
the geometry.
public NullGeometry createNullGeometry(int subType)
throws CreateGeometryException
GeometryManagerIt creates a null geometry with a concrete subtype.
createNullGeometry in interface GeometryManagersubType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPES
CreateGeometryException - This exception is thrown when the manager can not create
the geometry.
public Point createPoint(double x,
double y,
int subType)
throws CreateGeometryException
GeometryManagerCreate a new point with a concrete type and sets the value for the X and the Y.
createPoint in interface GeometryManagerx - The X coordinatey - The y coordinatesubType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPES
CreateGeometryException - This exception is thrown when the manager can not create
the geometry.
public Surface createSurface(GeneralPathX generalPathX,
int subType)
throws CreateGeometryException
GeometryManagerCreate a new surface with a concrete type and sets the value for the coordinates using a GeneralPathX.
createSurface in interface GeometryManagergeneralPathX - It is used to set the values for the X and Y coordinates.subType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPES
CreateGeometryException - This exception is thrown when the manager can not create
the geometry.
public GeometryOperation getGeometryOperation(int opCode,
int type,
int subType)
throws GeometryTypeNotSupportedException,
GeometryOperationNotSupportedException,
GeometryTypeNotValidException
GeometryManagerReturns an operation given the Geometry type, the Geometry subtype and and the operation code. If opCode corresponds to a common operation (a common operation is an operation registered for all geometries), then this method returns the common operation.
For better performance, if you need to call an operation multiple times, use this method only once and keep the returned object in a local variable over which you can iterate. For instance:
// Get the operation you need
GeometryManager gm = GeometryLocator.getGeometryManager()
GeometryOperation geomOp = null;
try {
geomOp = gm.getGeometryOperation(Draw2D.CODE, Geometry.TYPES.POINT,
Geometry.SUBTYPES.GEOM2D);
} catch (GeometryTypeNotSupportedException gtnse) {
// treat exception
} catch (GeometryOperationNotSupportedException gonse) {
// treat exception
}
// Fill the operation context with required params
GeometryOperationContext ctx = new GeometryOperationContext();
// Here is the main loop where you call the operation
for (int i=0; i
- Specified by:
getGeometryOperation in interface GeometryManager
- Parameters:
opCode - The operation codetype - Type of geometry. Must be a value defined in
Geometry.TYPESsubType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPES
- Returns:
- Geometry operation
- Throws:
GeometryTypeNotSupportedException - Returns this exception if there is not a registered geometry
with
these type and subtype
GeometryOperationNotSupportedException - Returns this exception if there is not a registered operation
with
this operation code
GeometryTypeNotValidException - Returns this exception if the type and subtype are not valid
public GeometryOperation getGeometryOperation(int opCode)
throws GeometryOperationNotSupportedException
GeometryManagerReturns an common operation with given operation code. A common operation is an operation registered for all geometries.
For better performance, if you need to call an operation multiple times, use this method only once and keep the returned object in a local variable over which you can iterate. For instance:
// Get the operation you need
GeometryManager gm = GeometryLocator.getGeometryManager()
GeometryOperation geomOp = null;
try {
geomOp = gm.getGeometryOperation(FromWKB.CODE);
} catch (GeometryOperationNotSupportedException gonse) {
// treat exception
}
// Fill the operation context with required params
FromWKBGeometryOperationContext ctx = new FromWKBGeometryOperationContext();
// Here is the main loop where you call the operation
for (int i=0; i
- Specified by:
getGeometryOperation in interface GeometryManager
- Parameters:
opCode - The operation code
- Returns:
- Geometry operation
- Throws:
GeometryOperationNotSupportedException - Returns this exception if there is not a registered operation
with
this operation code
public Object invokeOperation(int opCode,
Geometry geom,
GeometryOperationContext ctx)
throws GeometryOperationNotSupportedException,
GeometryOperationException
GeometryManagerInvokes an operation given its code, the geometry and the operation context holding the parameters required for the operation.
invokeOperation in interface GeometryManageropCode - Operation code.geom - Geometry to which apply the operationctx - Context holding the operation parameters
GeometryOperationNotSupportedException
GeometryOperationException
public Object invokeOperation(String geomOpName,
Geometry geom,
GeometryOperationContext ctx)
throws GeometryOperationNotSupportedException,
GeometryOperationException
GeometryManagerInvokes an operation given its code, the geometry and the operation context holding the parameters required for the operation.
invokeOperation in interface GeometryManagergeomOpName - Operation name.geom - Geometry to which apply the operationctx - Context holding the operation parameters
GeometryOperationNotSupportedException
GeometryOperationException
public Object invokeOperation(String geomOpName,
GeometryOperationContext ctx)
throws GeometryOperationNotSupportedException,
GeometryOperationException
GeometryManagerInvokes an operation given its code, and the operation context holding the parameters required for the operation.
invokeOperation in interface GeometryManagergeomOpName - Operation name.ctx - Context holding the operation parameters
GeometryOperationNotSupportedException
GeometryOperationExceptionpublic Envelope createEnvelope(int subType)
GeometryManagerCreates a Envelope with a concrete subtype. The envelope is empty and it have to be filled with the corners once has been created.
createEnvelope in interface GeometryManagersubType - SubType of envelope. Must be a value defined in
Geometry.SUBTYPES
public Envelope createEnvelope(double minX,
double minY,
double maxX,
double maxY,
int subType)
throws CreateEnvelopeException
GeometryManagerCreates a Envelope with a concrete subtype. It sets the values for the lower corner and the upper corner (in 2D) using the method parameters.
createEnvelope in interface GeometryManagerminX - The minimum value for the X coordinate.minY - The minimum value for the Y coordinate.maxX - The maximum value for the X coordinate.maxY - The maximum value for the Y coordinate.subType - SubType of envelope. Must be a value defined in
Geometry.SUBTYPES
CreateEnvelopeException
public MultiCurve createMultiCurve(GeneralPathX generalPathX,
int subType)
throws CreateGeometryException
GeometryManagerCreate a new multicurve with a concrete type and sets the value for the coordinates using a GeneralPathX.
createMultiCurve in interface GeometryManagergeneralPathX - It is used to set the values for the X and Y coordinates.subType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPES
CreateGeometryException - This exception is thrown when the manager can not create the
geometry.
public MultiSurface createMultiSurface(GeneralPathX generalPathX,
int subType)
throws CreateGeometryException
GeometryManagerCreate a new multisurface with a concrete type and sets the value for the coordinates using a GeneralPathX.
createMultiSurface in interface GeometryManagergeneralPathX - It is used to set the values for the X and Y coordinates.subType - SubType of geometry. Must be a value defined in
Geometry.SUBTYPES
CreateGeometryException - This exception is thrown when the manager can not create the
geometry.public int getGeometryOperationCode(String geomOpName)
GeometryManagerRegisters the unique name of one operation. If it already exists then this method does nothing but returning the name's corresponding index.
By convention this method is used to set the value of the final and
static variable that is located in the classes that implements the
operation:
public class MyOperation extends GeometryOperation {
public static final int CODE = GeometryLocator.getGeometryManager()
.getGeometryOperationCode("MyOperation");
}
getGeometryOperationCode in interface GeometryManagergeomOpName - Name used to register the geometry operation
public List getGeometryOperationNames()
GeometryManager
getGeometryOperationNames in interface GeometryManagerpublic double getFlatness()
GeometryManager
getFlatness in interface GeometryManagerpublic void setFlatness(double flatness)
GeometryManager
setFlatness in interface GeometryManagerflatness - The flatness to set
public Geometry createFrom(String wkt,
String srs)
throws GeometryException
GeometryManagerGeometryManager.OPERATIONS.FROMWKT.
createFrom in interface GeometryManagerwkt - geometry in Well-known text format
CreateGeometryException
GeometryException
public Geometry createFrom(String wkt)
throws GeometryException
createFrom in interface GeometryManagerGeometryException
public Geometry createFrom(byte[] wkb)
throws GeometryException
GeometryManagerGeometryManager.OPERATIONS.FROMWKB.
createFrom in interface GeometryManagerwkb - geometry in well-known binary format
CreateGeometryException
GeometryException
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