diff options
Diffstat (limited to 'src/org/traccar/geofence/GeofencePolygon.java')
-rw-r--r-- | src/org/traccar/geofence/GeofencePolygon.java | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/src/org/traccar/geofence/GeofencePolygon.java b/src/org/traccar/geofence/GeofencePolygon.java deleted file mode 100644 index 2048ba26d..000000000 --- a/src/org/traccar/geofence/GeofencePolygon.java +++ /dev/null @@ -1,164 +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.geofence; - -import java.text.ParseException; -import java.util.ArrayList; - -public class GeofencePolygon extends GeofenceGeometry { - - public GeofencePolygon() { - } - - public GeofencePolygon(String wkt) throws ParseException { - fromWkt(wkt); - } - - 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; - - if (constant != null) { - constant = null; - } - if (multiple != null) { - multiple = null; - } - - 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 (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() - - (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()) - / (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 longitudeNorm = normalizeLon(longitude); - boolean oddNodes = false; - - for (i = 0; i < polyCorners; j = i++) { - 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; - } - - @Override - public String toWkt() { - StringBuilder buf = new StringBuilder(); - buf.append("POLYGON (("); - 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("POLYGON")) { - throw new ParseException("Mismatch geometry type", 0); - } - String content = wkt.substring(wkt.indexOf("((") + 2, wkt.indexOf("))")); - if (content.isEmpty()) { - throw new ParseException("No content", 0); - } - String[] commaTokens = content.split(","); - if (commaTokens.length < 3) { - 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); - } - precalc(); - } - -} |