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authorAbyss777 <abyss@fox5.ru>2016-11-26 19:33:54 +0700
committerAbyss777 <abyss@fox5.ru>2016-11-26 19:33:54 +0700
commitb09d0e98541edc7122d992e85547741ffd57f72a (patch)
tree9b5011d5aefbcc32c378336ce103106e0a7e40d5 /src/org/traccar/geofence
parent6d022a7cbdacc747dd8517a8c82c3238d63637ac (diff)
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Implement polyline geofence
Diffstat (limited to 'src/org/traccar/geofence')
-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
3 files changed, 121 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;
+ }
+
+}