How to use

setSRID

method

in

com.vividsolutions.jts.geom.Geometry

/**
 * Sets the SRID, if it was specified in the WKB
 *
 * @param g the geometry to update
 * @return the geometry with an updated SRID value, if required
 */
private Geometry setSRID(Geometry g, int SRID)
{
 if (SRID != 0)
  g.setSRID(SRID);
 return g;
}

/**
 * Sets the SRID, if it was specified in the WKB
 *
 * @param g the geometry to update
 * @return the geometry with an updated SRID value, if required
 */
private Geometry setSRID(Geometry g, int SRID)
{
 if (SRID != 0)
  g.setSRID(SRID);
 return g;
}

/**
 * Sets the SRID, if it was specified in the WKB
 *
 * @param g the geometry to update
 * @return the geometry with an updated SRID value, if required
 */
private Geometry setSRID(Geometry g)
{
 if (SRID != 0)
  g.setSRID(SRID);
 return g;
}

public void setSRID(int SRID) {
  geometry.setSRID(SRID);
}

private Geometry asGeometry(Object geometry) {
  if (geometry instanceof Geometry) {
    Geometry geom = (Geometry) geometry;
    geom.setSRID(srid);
    return geom;
  } else {
    throw new IllegalStateException("Cannot handle " + geometry + " as geometry.");
  }
}

/**
 * @param geometry Geometry instance
 * @return Geometry envelope
 */
public static Geometry getBoundary(Geometry geometry, int srid) {
  if(geometry==null) {
    return null;
  }
  Geometry geometryEnvelope = geometry.getBoundary();
  geometryEnvelope.setSRID(srid);
  return geometryEnvelope;
}

/**
 * @param geometry Geometry instance
 * @return Geometry envelope
 */
public static Geometry getBoundary(Geometry geometry, int srid) {
  if(geometry==null) {
    return null;
  }
  Geometry geometryEnvelope = geometry.getBoundary();
  geometryEnvelope.setSRID(srid);
  return geometryEnvelope;
}

/**
 * @param geometry Geometry instance
 * @return Geometry envelope
 */
public static Geometry getBoundary(Geometry geometry, int srid) {
  if(geometry==null) {
    return null;
  }
  Geometry geometryEnvelope = geometry.getBoundary();
  geometryEnvelope.setSRID(srid);
  return geometryEnvelope;
}

/**
 * @param geometry Geometry instance
 * @param srid input SRID
 * @return Geometry envelope
 */
public static Geometry getEnvelope(Geometry geometry, int srid) {
  if(geometry==null) {
    return null;
  }
  Geometry geometryEnvelope = geometry.getEnvelope();
  geometryEnvelope.setSRID(srid);
  return geometryEnvelope;
}

/**
 * @param geometry Geometry instance
 * @param srid input SRID
 * @return Geometry envelope
 */
public static Geometry getEnvelope(Geometry geometry, int srid) {
  if(geometry==null) {
    return null;
  }
  Geometry geometryEnvelope = geometry.getEnvelope();
  geometryEnvelope.setSRID(srid);
  return geometryEnvelope;
}

/**
 * @param geometry Geometry instance
 * @param srid input SRID
 * @return Geometry envelope
 */
public static Geometry getEnvelope(Geometry geometry, int srid) {
  if(geometry==null) {
    return null;
  }
  Geometry geometryEnvelope = geometry.getEnvelope();
  geometryEnvelope.setSRID(srid);
  return geometryEnvelope;
}

public static GeometryType makeEnvelope(double xmin, double ymin,
    double xmax, double ymax, Integer srid) {
  Geometry geom = GEOMETRY_FACTORY.createPolygon(new Coordinate[] {new Coordinate(xmin, ymin), new Coordinate(xmin, ymax), new Coordinate(xmax, ymax), new Coordinate(xmax, ymin), new Coordinate(xmin, ymin)});
  if (srid != null) {
    geom.setSRID(srid);
  }
  return getGeometryType(geom);
}

public static GeometryType makeEnvelope(double xmin, double ymin,
    double xmax, double ymax, Integer srid) {
  Geometry geom = GEOMETRY_FACTORY.createPolygon(new Coordinate[] {new Coordinate(xmin, ymin), new Coordinate(xmin, ymax), new Coordinate(xmax, ymax), new Coordinate(xmax, ymin), new Coordinate(xmin, ymin)});
  if (srid != null) {
    geom.setSRID(srid);
  }
  return getGeometryType(geom);
}

public static GeometryType makeEnvelope(double xmin, double ymin,
    double xmax, double ymax, Integer srid) {
  Geometry geom = GEOMETRY_FACTORY.createPolygon(new Coordinate[] {new Coordinate(xmin, ymin), new Coordinate(xmin, ymax), new Coordinate(xmax, ymax), new Coordinate(xmax, ymin), new Coordinate(xmin, ymin)});
  if (srid != null) {
    geom.setSRID(srid);
  }
  return getGeometryType(geom);
}

/**
 * Allows to manually overwrite the coordinate reference system (e.g. if the
 * ZoneLayer is read from a shape file without crs information).
 * 
 * @param crs a coordinate reference system.
 */
public void overwriteCRS(CoordinateReferenceSystem crs) {
  this.crs = crs;
  this.srid = CRSUtils.getSRID(crs);
  for(Zone<?> zone : zones) {
    zone.getGeometry().setSRID(srid);
  }
}

public static GeometryType getGeometryType(Geometry jtsGeom, int srid) {
  jtsGeom.setSRID(srid);
  byte[] bytes = getBytes(jtsGeom, true);
  GeometryType result = new GeometryType(bytes, srid);
  result.setGeoCache(jtsGeom);
  return result;
}

public static GeometryType getGeometryType(Geometry jtsGeom, int srid) {
  jtsGeom.setSRID(srid);
  byte[] bytes = getBytes(jtsGeom, true);
  GeometryType result = new GeometryType(bytes, srid);
  result.setGeoCache(jtsGeom);
  return result;
}

private Geometry convertGeometryCollection(GeometryCollection collection) {
  org.postgis.Geometry[] geometries = collection.getGeometries();
  com.vividsolutions.jts.geom.Geometry[] jtsGeometries = new com.vividsolutions.jts.geom.Geometry[geometries.length];
  for (int i = 0; i < geometries.length; i++) {
    jtsGeometries[i] = convert2JTS(geometries[i]);
    //TODO  - refactor this so the following line is not necessary
    jtsGeometries[i].setSRID(0); // convert2JTS sets SRIDs, but constituent geometries in a collection must have srid  == 0 
  }
  com.vividsolutions.jts.geom.GeometryCollection jtsGCollection = getGeometryFactory()
      .createGeometryCollection(jtsGeometries);
  return jtsGCollection;
}

private Geometry forceEmptyToGeometryCollection(Geometry jtsGeom) {
  Geometry forced = jtsGeom;
  if (forced.isEmpty()) {
    GeometryFactory factory = jtsGeom.getFactory();
    if (factory == null) {
      factory = HBSpatialExtension.getDefaultGeomFactory();
    }
    forced = factory.createGeometryCollection(null);
    forced.setSRID(jtsGeom.getSRID());
  }
  return forced;
}

public static GeometryType polygon(GeometryType geom, int srid) throws FunctionExecutionException {
  Geometry g = getGeometry(geom);
  if (!(g instanceof LineString)) {
    throw new FunctionExecutionException(QueryPlugin.Event.TEIID31207, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID31207));
  }
  LineString ls = (LineString)g;
  Geometry result = GEOMETRY_FACTORY.createPolygon(ls.getCoordinateSequence());
  result.setSRID(srid);
  return getGeometryType(result);
}