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author | Anton Tananaev <anton.tananaev@gmail.com> | 2017-06-20 22:37:50 +1200 |
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committer | GitHub <noreply@github.com> | 2017-06-20 22:37:50 +1200 |
commit | 98ba0e282a64ecddb7bb8f1b2075b5bab0ef3eac (patch) | |
tree | 825c03638ad5f3fb73016035c35c97523edc8784 /src/org/traccar/CoordinatesHandler.java | |
parent | 6f569b6d62b110c2679772c4a56122db6a614ed9 (diff) | |
parent | 9129b6f4eb6ab58a83107e47c888bb4a3bbf0f90 (diff) | |
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Merge pull request #3269 from Abyss777/distance_optimization
Distance calculation optimization
Diffstat (limited to 'src/org/traccar/CoordinatesHandler.java')
-rw-r--r-- | src/org/traccar/CoordinatesHandler.java | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/src/org/traccar/CoordinatesHandler.java b/src/org/traccar/CoordinatesHandler.java deleted file mode 100644 index 80a423da1..000000000 --- a/src/org/traccar/CoordinatesHandler.java +++ /dev/null @@ -1,55 +0,0 @@ -/* - * Copyright 2016 Anton Tananaev (anton@traccar.org) - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -package org.traccar; - -import org.traccar.helper.DistanceCalculator; -import org.traccar.model.Position; - -public class CoordinatesHandler extends BaseDataHandler { - - private final int coordinatesMinError; - private final int coordinatesMaxError; - - public CoordinatesHandler() { - Config config = Context.getConfig(); - coordinatesMinError = config.getInteger("coordinates.minError"); - coordinatesMaxError = config.getInteger("coordinates.maxError"); - } - - private Position getLastPosition(long deviceId) { - if (Context.getIdentityManager() != null) { - return Context.getIdentityManager().getLastPosition(deviceId); - } - return null; - } - - @Override - protected Position handlePosition(Position position) { - Position last = getLastPosition(position.getDeviceId()); - if (last != null && last.getValid() && last.getLatitude() != 0 && last.getLongitude() != 0) { - double distance = DistanceCalculator.distance( - position.getLatitude(), position.getLongitude(), last.getLatitude(), last.getLongitude()); - boolean satisfiesMin = coordinatesMinError == 0 || distance > coordinatesMinError; - boolean satisfiesMax = coordinatesMaxError == 0 || distance < coordinatesMaxError || position.getValid(); - if (!satisfiesMin || !satisfiesMax) { - position.setLatitude(last.getLatitude()); - position.setLongitude(last.getLongitude()); - } - } - return position; - } - -} |