PreferencePriorityWeighting.java
- /* This file is part of Openrouteservice.
- *
- * Openrouteservice is free software; you can redistribute it and/or modify it under the terms of the
- * GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1
- * of the License, or (at your option) any later version.
- * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU Lesser General Public License for more details.
- * You should have received a copy of the GNU Lesser General Public License along with this library;
- * if not, see <https://www.gnu.org/licenses/>.
- */
- package org.heigit.ors.routing.graphhopper.extensions.weighting;
- import com.graphhopper.routing.ev.DecimalEncodedValue;
- import com.graphhopper.routing.util.FlagEncoder;
- import com.graphhopper.routing.weighting.FastestWeighting;
- import com.graphhopper.routing.weighting.TurnCostProvider;
- import com.graphhopper.util.EdgeIteratorState;
- import com.graphhopper.util.PMap;
- import org.heigit.ors.routing.graphhopper.extensions.flagencoders.FlagEncoderKeys;
- import org.heigit.ors.routing.graphhopper.extensions.util.PriorityCode;
- import static com.graphhopper.routing.util.EncodingManager.getKey;
- public class PreferencePriorityWeighting extends FastestWeighting {
- private static final double THRESHOLD_VERY_BAD = PriorityCode.AVOID_IF_POSSIBLE.getValue() / (double) PriorityCode.BEST.getValue();
- private static final double THRESHOLD_REACH_DEST = PriorityCode.REACH_DEST.getValue() / (double) PriorityCode.BEST.getValue();
- private static final double THRESHOLD_PREFER = PriorityCode.PREFER.getValue() / (double) PriorityCode.BEST.getValue();
- private static final double THRESHOLD_VERY_NICE = PriorityCode.VERY_NICE.getValue() / (double) PriorityCode.BEST.getValue();
- private final DecimalEncodedValue priorityEncoder;
- public PreferencePriorityWeighting(FlagEncoder encoder, PMap map) {
- super(encoder, map);
- priorityEncoder = encoder.getDecimalEncodedValue(getKey(encoder, FlagEncoderKeys.PRIORITY_KEY));
- }
- public PreferencePriorityWeighting(FlagEncoder encoder, PMap map, TurnCostProvider tcp) {
- super(encoder, map, tcp);
- priorityEncoder = encoder.getDecimalEncodedValue(getKey(encoder, FlagEncoderKeys.PRIORITY_KEY));
- }
- @Override
- public double calcEdgeWeight(EdgeIteratorState edgeState, boolean reverse) {
- double weight = super.calcEdgeWeight(edgeState, reverse);
- if (Double.isInfinite(weight))
- weight = 0.0;
- double priority = priorityEncoder.getDecimal(reverse, edgeState.getFlags());
- if (priority <= THRESHOLD_REACH_DEST)
- priority /= 1.5;
- else if (priority <= THRESHOLD_VERY_BAD)
- priority /= 1.25;
- else if (priority == THRESHOLD_PREFER)
- priority *= 1.5;
- else if (priority >= THRESHOLD_VERY_NICE)
- priority *= 2.2;
- return weight / (0.5 + priority);
- }
- @Override
- public String getName() {
- return "recommended";
- }
- @Override
- public boolean equals(Object obj) {
- if (obj == null)
- return false;
- if (getClass() != obj.getClass())
- return false;
- final PreferencePriorityWeighting other = (PreferencePriorityWeighting) obj;
- return toString().equals(other.toString());
- }
- @Override
- public int hashCode() {
- return ("PreferencePriorityWeighting" + this).hashCode();
- }
- }