Application: gvSIG desktop

package org.gvsig.sldsupport.sld.filter.spatial;

import org.gvsig.sldsupport.sld.filter.operator.SLDSpatialOperator;

public abstract class DistanceBufferOperator  implements SLDSpatialOperator {

        public static String DISTANCE_BUFFER_Operator_DWITHIN =                 "DWithin";

        public static String DISTANCE_BUFFER_Operator_BEYOND =                 "Beyond";

        public static String DISTANCE_BUFFER_Operator_UNIT_METER =                 "Meter";

        public static String DISTANCE_BUFFER_Operator_UNIT_KILOMETER =         "Kilometer";

        public static String DISTANCE_BUFFER_Operator_UNIT_INCH =                 "Inch";

        /**

         * Geometry in GML format used in the operation

         * (not the feature's geometry)

         * @return

         */

        public abstract String getGeometry();

        public abstract double getDistance();

        /**

         * Can be a URI to use a measure unit from a dictionary

         * 

         * Unit of measure. Recommended strings:

         * 

         * "http://www.opengeospatial.org/sld/units/metre"

         * "http://www.opengeospatial.org/sld/units/feet"

         * "http://www.opengeospatial.org/sld/units/pixel"

         * 

         * If null is returned, pixel will be used

         * 

         * @return

         */

        public abstract String getUnit();

}