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-rw-r--r--src/org/traccar/geofence/GeofenceGeometry.java22
-rw-r--r--src/org/traccar/geofence/GeofencePolygon.java73
-rw-r--r--src/org/traccar/geofence/GeofencePolyline.java107
-rw-r--r--src/org/traccar/helper/DistanceCalculator.java19
-rw-r--r--src/org/traccar/model/Geofence.java5
5 files changed, 184 insertions, 42 deletions
diff --git a/src/org/traccar/geofence/GeofenceGeometry.java b/src/org/traccar/geofence/GeofenceGeometry.java
index 6b5b0acb7..857ba3414 100644
--- a/src/org/traccar/geofence/GeofenceGeometry.java
+++ b/src/org/traccar/geofence/GeofenceGeometry.java
@@ -25,4 +25,26 @@ public abstract class GeofenceGeometry {
public abstract void fromWkt(String wkt) throws ParseException;
+ public static class Coordinate {
+
+ private double lat;
+ private double lon;
+
+ public double getLat() {
+ return lat;
+ }
+
+ public void setLat(double lat) {
+ this.lat = lat;
+ }
+
+ public double getLon() {
+ return lon;
+ }
+
+ public void setLon(double lon) {
+ this.lon = lon;
+ }
+ }
+
}
diff --git a/src/org/traccar/geofence/GeofencePolygon.java b/src/org/traccar/geofence/GeofencePolygon.java
index 03638d6c9..2048ba26d 100644
--- a/src/org/traccar/geofence/GeofencePolygon.java
+++ b/src/org/traccar/geofence/GeofencePolygon.java
@@ -27,44 +27,18 @@ public class GeofencePolygon extends GeofenceGeometry {
fromWkt(wkt);
}
- private static class Coordinate {
-
- public static final double DEGREE360 = 360;
-
- private double lat;
- private double lon;
-
- public double getLat() {
- return lat;
- }
-
- public void setLat(double lat) {
- this.lat = lat;
- }
-
- public double getLon() {
- return lon;
- }
-
- // Need not to confuse algorithm by the abrupt reset of longitude
- public double getLon360() {
- return lon + DEGREE360;
- }
-
- public void setLon(double lon) {
- this.lon = lon;
- }
- }
-
private ArrayList<Coordinate> coordinates;
private double[] constant;
private double[] multiple;
+ private boolean needNormalize = false;
+
private void precalc() {
if (coordinates == null) {
return;
}
+
int polyCorners = coordinates.size();
int i;
int j = polyCorners - 1;
@@ -79,38 +53,55 @@ public class GeofencePolygon extends GeofenceGeometry {
constant = new double[polyCorners];
multiple = new double[polyCorners];
+ boolean hasNegative = false;
+ boolean hasPositive = false;
+ for (i = 0; i < polyCorners; i++) {
+ if (coordinates.get(i).getLon() > 90) {
+ hasPositive = true;
+ } else if (coordinates.get(i).getLon() < -90) {
+ hasNegative = true;
+ }
+ }
+ needNormalize = hasPositive && hasNegative;
for (i = 0; i < polyCorners; j = i++) {
- if (coordinates.get(j).getLon360() == coordinates.get(i).getLon360()) {
+ if (normalizeLon(coordinates.get(j).getLon()) == normalizeLon(coordinates.get(i).getLon())) {
constant[i] = coordinates.get(i).getLat();
multiple[i] = 0;
} else {
constant[i] = coordinates.get(i).getLat()
- - (coordinates.get(i).getLon360() * coordinates.get(j).getLat())
- / (coordinates.get(j).getLon360() - coordinates.get(i).getLon360())
- + (coordinates.get(i).getLon360() * coordinates.get(i).getLat())
- / (coordinates.get(j).getLon360() - coordinates.get(i).getLon360());
+ - (normalizeLon(coordinates.get(i).getLon()) * coordinates.get(j).getLat())
+ / (normalizeLon(coordinates.get(j).getLon()) - normalizeLon(coordinates.get(i).getLon()))
+ + (normalizeLon(coordinates.get(i).getLon()) * coordinates.get(i).getLat())
+ / (normalizeLon(coordinates.get(j).getLon()) - normalizeLon(coordinates.get(i).getLon()));
multiple[i] = (coordinates.get(j).getLat() - coordinates.get(i).getLat())
- / (coordinates.get(j).getLon360() - coordinates.get(i).getLon360());
+ / (normalizeLon(coordinates.get(j).getLon()) - normalizeLon(coordinates.get(i).getLon()));
}
}
}
+ private double normalizeLon(double lon) {
+ if (needNormalize && lon < -90) {
+ return lon + 360;
+ }
+ return lon;
+ }
+
@Override
public boolean containsPoint(double latitude, double longitude) {
int polyCorners = coordinates.size();
int i;
int j = polyCorners - 1;
- double longitude360 = longitude + Coordinate.DEGREE360;
+ double longitudeNorm = normalizeLon(longitude);
boolean oddNodes = false;
for (i = 0; i < polyCorners; j = i++) {
- if (coordinates.get(i).getLon360() < longitude360
- && coordinates.get(j).getLon360() >= longitude360
- || coordinates.get(j).getLon360() < longitude360
- && coordinates.get(i).getLon360() >= longitude360) {
- oddNodes ^= longitude360 * multiple[i] + constant[i] < latitude;
+ if (normalizeLon(coordinates.get(i).getLon()) < longitudeNorm
+ && normalizeLon(coordinates.get(j).getLon()) >= longitudeNorm
+ || normalizeLon(coordinates.get(j).getLon()) < longitudeNorm
+ && normalizeLon(coordinates.get(i).getLon()) >= longitudeNorm) {
+ oddNodes ^= longitudeNorm * multiple[i] + constant[i] < latitude;
}
}
return oddNodes;
diff --git a/src/org/traccar/geofence/GeofencePolyline.java b/src/org/traccar/geofence/GeofencePolyline.java
new file mode 100644
index 000000000..d84f512e3
--- /dev/null
+++ b/src/org/traccar/geofence/GeofencePolyline.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 Andrey Kunitsyn (andrey@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.geofence;
+
+import java.text.ParseException;
+import java.util.ArrayList;
+
+import org.traccar.helper.DistanceCalculator;
+
+public class GeofencePolyline extends GeofenceGeometry {
+
+ private ArrayList<Coordinate> coordinates;
+ private double distance;
+
+ public GeofencePolyline() {
+ }
+
+ public GeofencePolyline(String wkt, double distance) throws ParseException {
+ fromWkt(wkt);
+ this.distance = distance;
+ }
+
+ @Override
+ public boolean containsPoint(double latitude, double longitude) {
+ for (int i = 1; i < coordinates.size(); i++) {
+ if (DistanceCalculator.distanceToLine(
+ latitude, longitude, coordinates.get(i - 1).getLat(), coordinates.get(i - 1).getLon(),
+ coordinates.get(i).getLat(), coordinates.get(i).getLon()) <= distance) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ @Override
+ public String toWkt() {
+ StringBuilder buf = new StringBuilder();
+ buf.append("LINESTRING (");
+ for (Coordinate coordinate : coordinates) {
+ buf.append(String.valueOf(coordinate.getLat()));
+ buf.append(" ");
+ buf.append(String.valueOf(coordinate.getLon()));
+ buf.append(", ");
+ }
+ return buf.substring(0, buf.length() - 2) + ")";
+ }
+
+ @Override
+ public void fromWkt(String wkt) throws ParseException {
+ if (coordinates == null) {
+ coordinates = new ArrayList<>();
+ } else {
+ coordinates.clear();
+ }
+
+ if (!wkt.startsWith("LINESTRING")) {
+ throw new ParseException("Mismatch geometry type", 0);
+ }
+ String content = wkt.substring(wkt.indexOf("(") + 1, wkt.indexOf(")"));
+ if (content.isEmpty()) {
+ throw new ParseException("No content", 0);
+ }
+ String[] commaTokens = content.split(",");
+ if (commaTokens.length < 2) {
+ throw new ParseException("Not valid content", 0);
+ }
+
+ for (String commaToken : commaTokens) {
+ String[] tokens = commaToken.trim().split("\\s");
+ if (tokens.length != 2) {
+ throw new ParseException("Here must be two coordinates: " + commaToken, 0);
+ }
+ Coordinate coordinate = new Coordinate();
+ try {
+ coordinate.setLat(Double.parseDouble(tokens[0]));
+ } catch (NumberFormatException e) {
+ throw new ParseException(tokens[0] + " is not a double", 0);
+ }
+ try {
+ coordinate.setLon(Double.parseDouble(tokens[1]));
+ } catch (NumberFormatException e) {
+ throw new ParseException(tokens[1] + " is not a double", 0);
+ }
+ coordinates.add(coordinate);
+ }
+
+ }
+
+ public void setDistance(double distance) {
+ this.distance = distance;
+ }
+
+}
diff --git a/src/org/traccar/helper/DistanceCalculator.java b/src/org/traccar/helper/DistanceCalculator.java
index 3452597ab..88d4ef8a4 100644
--- a/src/org/traccar/helper/DistanceCalculator.java
+++ b/src/org/traccar/helper/DistanceCalculator.java
@@ -1,5 +1,6 @@
/*
- * Copyright 2014 Anton Tananaev (anton@traccar.org)
+ * Copyright 2014 - 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 Andrey Kunitsyn (andrey@traccar.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -33,4 +34,20 @@ public final class DistanceCalculator {
return d * 1000;
}
+ public static double distanceToLine(
+ double pointLat, double pointLon, double lat1, double lon1, double lat2, double lon2) {
+ double d0 = distance(pointLat, pointLon, lat1, lon1);
+ double d1 = distance(lat1, lon1, lat2, lon2);
+ double d2 = distance(lat2, lon2, pointLat, pointLon);
+ if (Math.pow(d0, 2) > Math.pow(d1, 2) + Math.pow(d2, 2)) {
+ return d2;
+ }
+ if (Math.pow(d2, 2) > Math.pow(d1, 2) + Math.pow(d0, 2)) {
+ return d0;
+ }
+ double halfP = (d0 + d1 + d2) * 0.5;
+ double area = Math.sqrt(halfP * (halfP - d0) * (halfP - d1) * (halfP - d2));
+ return 2 * area / d1;
+ }
+
}
diff --git a/src/org/traccar/model/Geofence.java b/src/org/traccar/model/Geofence.java
index ecfd3101c..326c45b5f 100644
--- a/src/org/traccar/model/Geofence.java
+++ b/src/org/traccar/model/Geofence.java
@@ -17,9 +17,11 @@ package org.traccar.model;
import java.text.ParseException;
+import org.traccar.Context;
import org.traccar.geofence.GeofenceCircle;
import org.traccar.geofence.GeofenceGeometry;
import org.traccar.geofence.GeofencePolygon;
+import org.traccar.geofence.GeofencePolyline;
import com.fasterxml.jackson.annotation.JsonIgnore;
@@ -27,6 +29,7 @@ public class Geofence extends Extensible {
public static final String TYPE_GEOFENCE_CILCLE = "geofenceCircle";
public static final String TYPE_GEOFENCE_POLYGON = "geofencePolygon";
+ public static final String TYPE_GEOFENCE_POLYLINE = "geofencePolyline";
private String name;
@@ -60,6 +63,8 @@ public class Geofence extends Extensible {
geometry = new GeofenceCircle(area);
} else if (area.startsWith("POLYGON")) {
geometry = new GeofencePolygon(area);
+ } else if (area.startsWith("LINESTRING")) {
+ geometry = new GeofencePolyline(area, Context.getConfig().getDouble("geofence.polylineDistance", 25));
} else {
throw new ParseException("Unknown geometry type", 0);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-08 00:22:37 +0000