/**
* Translates the geometry to a new location using the numeric parameters as offsets.
*
* @param expr geometry
* @param deltax x offset
* @param deltay y offset
* @param <T>
* @return geometry
*/
public static <T extends Geometry> JTSGeometryExpression<T> translate(
Expression<T> expr, float deltax, float deltay) {
return geometryOperation(
expr.getType(),
SpatialOps.TRANSLATE,
expr,
ConstantImpl.create(deltax),
ConstantImpl.create(deltay));
}
/**
* Sets the SRID on a geometry to a particular integer value.
*
* @param expr geometry
* @param srid SRID
* @param <T>
* @return geometry
*/
public static <T extends Geometry> JTSGeometryExpression<T> setSRID(
Expression<T> expr, int srid) {
return geometryOperation(expr.getType(), SpatialOps.SET_SRID, expr, ConstantImpl.create(srid));
}
/**
* Return a specified ST_Geometry value from Well-Known Text representation (WKT).
*
* @param text WKT form
* @return geometry
*/
public static JTSGeometryExpression<?> fromText(String text) {
return geometryOperation(SpatialOps.GEOM_FROM_TEXT, ConstantImpl.create(text));
}
/**
* Returns true if the geometries are within the specified distance of one another. For geometry
* units are in those of spatial reference and For geography units are in meters.
*
* @param expr1 geometry
* @param expr2 other geometry
* @param distance distance
* @return true, if with distance of each other
*/
public static BooleanExpression dwithin(
Expression<? extends Geometry> expr1, Expression<? extends Geometry> expr2, double distance) {
return Expressions.booleanOperation(
SpatialOps.DWITHIN, expr1, expr2, ConstantImpl.create(distance));
}
/**
* Returns the specified Point N in this LineString.
*
* @param idx one basedindex of element
* @return matched element
*/
public PointExpression<Point> pointN(int idx) {
return GeometryExpressions.pointOperation(SpatialOps.POINTN, mixin, ConstantImpl.create(idx));
}
