Package eu.europa.ec.eurostat.jgiscotools.grid

Class GridCell

java.lang.Object

eu.europa.ec.eurostat.jgiscotools.grid.GridCell

public class GridCell
extends Object

A grid cell.

Author:

Julien Gaffuri

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	GridCell.GridCellGeometryType	The type of grid cell geometry: The surface representation (a square) or its center point.

Constructor Summary

Constructors

Constructor	Description
GridCell(String id)
GridCell(String epsgCode, int resolution, int lowerLeftCornerPositionX, int lowerLeftCornerPositionY)

Method Summary

Modifier and Type	Method	Description
org.locationtech.jts.geom.Envelope	getEnvelope()
String	getEpsgCode()
org.locationtech.jts.geom.Geometry	getGeometry(GridCell.GridCellGeometryType gt)
static String	getGridCellId(String epsgCode, int gridResolutionM, org.locationtech.jts.geom.Coordinate lowerLeftCornerPosition)	Build a cell code (according to INSPIRE coding system, see here).
String	getId()
int	getLowerLeftCornerPositionX()
int	getLowerLeftCornerPositionY()
org.locationtech.jts.geom.Point	getPointGeometry(org.locationtech.jts.geom.GeometryFactory gf)	Build grid cell geometry as a point (its center point).
org.locationtech.jts.geom.Polygon	getPolygonGeometry(org.locationtech.jts.geom.GeometryFactory gf)	Build grid cell geometry as a polygon.
int	getResolution()
GridCell	getUpperCell(int resolution)	Get the cell of the upper grid, whose resolution is the specified one.
Feature	toFeature(GridCell.GridCellGeometryType gt)	Convert the grid cell into a feature.

Methods inherited from class java.lang.Object

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

Constructor Detail

GridCell

public GridCell(String id)

GridCell

public GridCell(String epsgCode,
                int resolution,
                int lowerLeftCornerPositionX,
                int lowerLeftCornerPositionY)

Method Detail

getId

public String getId()

getEpsgCode

public String getEpsgCode()

getResolution

public int getResolution()

getLowerLeftCornerPositionX

public int getLowerLeftCornerPositionX()

getLowerLeftCornerPositionY

public int getLowerLeftCornerPositionY()

getEnvelope

public org.locationtech.jts.geom.Envelope getEnvelope()

Returns:

The grid cell envelope.

getGeometry

public org.locationtech.jts.geom.Geometry getGeometry(GridCell.GridCellGeometryType gt)

getPolygonGeometry

public org.locationtech.jts.geom.Polygon getPolygonGeometry(org.locationtech.jts.geom.GeometryFactory gf)

Build grid cell geometry as a polygon.

Parameters:

gf -

Returns:

getPointGeometry

public org.locationtech.jts.geom.Point getPointGeometry(org.locationtech.jts.geom.GeometryFactory gf)

Build grid cell geometry as a point (its center point).

Parameters:

gf -

Returns:

toFeature

public Feature toFeature(GridCell.GridCellGeometryType gt)

Convert the grid cell into a feature.

Parameters:

gt -

Returns:

getGridCellId

public static String getGridCellId(String epsgCode,
                                   int gridResolutionM,
                                   org.locationtech.jts.geom.Coordinate lowerLeftCornerPosition)

Build a cell code (according to INSPIRE coding system, see here). This is valid only for a grids in a cartographic projection. Examples: - CRS3035RES200mN1453400E1452800 - CRS3035RES100000mN5400000E1200000

Parameters:

epsgCode -

gridResolutionM -

lowerLeftCornerPosition - NB: The coordinates are supposed to be integer

Returns:

getUpperCell

public GridCell getUpperCell(int resolution)

Get the cell of the upper grid, whose resolution is the specified one. This target resolution is expected to be a multiple of the grid cell resolution.

Parameters:

resolution -

Returns: