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-rw-r--r--src/org/traccar/geofence/GeofenceGeometry.java29
-rw-r--r--src/org/traccar/geofence/GeofencePolygon.java29
-rw-r--r--src/org/traccar/geofence/GeofencePolyline.java92
-rw-r--r--src/org/traccar/helper/DistanceCalculator.java16
-rw-r--r--src/org/traccar/model/Geofence.java5
5 files changed, 142 insertions, 29 deletions
diff --git a/src/org/traccar/geofence/GeofenceGeometry.java b/src/org/traccar/geofence/GeofenceGeometry.java
index 6b5b0acb7..d61e357ce 100644
--- a/src/org/traccar/geofence/GeofenceGeometry.java
+++ b/src/org/traccar/geofence/GeofenceGeometry.java
@@ -25,4 +25,33 @@ public abstract class GeofenceGeometry {
public abstract void fromWkt(String wkt) throws ParseException;
+ public 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;
+ }
+ }
+
}
diff --git a/src/org/traccar/geofence/GeofencePolygon.java b/src/org/traccar/geofence/GeofencePolygon.java
index 03638d6c9..48326dc10 100644
--- a/src/org/traccar/geofence/GeofencePolygon.java
+++ b/src/org/traccar/geofence/GeofencePolygon.java
@@ -27,35 +27,6 @@ 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;
diff --git a/src/org/traccar/geofence/GeofencePolyline.java b/src/org/traccar/geofence/GeofencePolyline.java
new file mode 100644
index 000000000..60d7b0605
--- /dev/null
+++ b/src/org/traccar/geofence/GeofencePolyline.java
@@ -0,0 +1,92 @@
+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) {
+ double longitude360 = longitude + Coordinate.DEGREE360;
+ for (int i = 1; i < coordinates.size(); i++) {
+ if (DistanceCalculator.distanceToInterval(
+ latitude, longitude360, coordinates.get(i - 1).getLat(), coordinates.get(i - 1).getLon360(),
+ coordinates.get(i).getLat(), coordinates.get(i).getLon360()) <= 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..ceeee4be4 100644
--- a/src/org/traccar/helper/DistanceCalculator.java
+++ b/src/org/traccar/helper/DistanceCalculator.java
@@ -33,4 +33,20 @@ public final class DistanceCalculator {
return d * 1000;
}
+ public static double distanceToInterval(
+ 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 2024-11-11 12:42:17 +0000