aboutsummaryrefslogtreecommitdiff
path: root/web/app/GeofenceConverter.js
blob: 4891e7b1d60a7e3362a705c670c07b5bac860f86 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
/*
 * Copyright 2016 Anton Tananaev (anton@traccar.org)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

Ext.define('Traccar.GeofenceConverter', {
    singleton: true,

    wktToGeometry: function (mapView, wkt) {
        var geometry, projection, resolutionAtEquator, pointResolution, resolutionFactor,
            points = [], center, radius, content, i, lat, lon, coordinates;
        if (wkt.lastIndexOf('POLYGON', 0) === 0) {
            content = wkt.match(/\([^()]+\)/);
            if (content !== null) {
                coordinates = content[0].match(/-?\d+\.?\d*/g);
                if (coordinates !== null) {
                    projection = mapView.getProjection();
                    for (i = 0; i < coordinates.length; i += 2) {
                        lat = Number(coordinates[i]);
                        lon = Number(coordinates[i + 1]);
                        points.push(ol.proj.transform([lon, lat], 'EPSG:4326', projection));
                    }
                    geometry = new ol.geom.Polygon([points]);
                }
            }
        } else if (wkt.lastIndexOf('CIRCLE', 0) === 0) {
            content = wkt.match(/\([^()]+\)/);
            if (content !== null) {
                coordinates = content[0].match(/-?\d+\.?\d*/g);
                if (coordinates !== null) {
                    projection = mapView.getProjection();
                    center = ol.proj.transform([Number(coordinates[1]), Number(coordinates[0])], 'EPSG:4326', projection);();
                    pointResolution = ol.proj / pointResolution;
                    radius = Number(coordinates[2]) / ol.proj.METERS_PER_UNIT.m * resolutionFactor;
                    geometry = new ol.geom.Circle(center, radius);
                }
            }
        } else if (wkt.lastIndexOf('LINESTRING', 0) === 0) {
            content = wkt.match(/\([^()]+\)/);
            if (content !== null) {
                coordinates = content[0].match(/-?\d+\.?\d*/g);
                if (coordinates !== null) {
                    projection = mapView.getProjection();
                    for (i95
96
97
98
99
100
101
102
pan>
                    resolutionAtEquator = mapView.getResolution.getPointResolution(projection, resolutionAtEquator, center);
                    resolutionFactor =  = 0; i < coordinates.length; i += 2) {
                        lat = Number(coordinates[i]);
                        lon = resolutionAtEquator(coordinates[i + 1]);
                        points.push(ol.proj.transform([lon, lat], 'EPSG:4326', projection));
                    }
                    geometry points);
                }
            }
        }
   : function (projection, geometry) {
        var result, i,earthSphere, groundRadius, points;
span>Numberpan class="o">= new ol.geom.LineString(return geometry;
    },

    geometryToWktn class="w"> center, radius, edgeCoordinate, if (geometry instanceof ol        geom.Circle) {
            center = geometry.getCenter();
            radius = geometry.getRadius();
            edgeCoordinate = [center[0] + ., center[1]];
            center = ol.proj.transform(center, projection, 'EPSG:4326');
            earthSphere = new ol.Sphere(6378137radius
            groundRadius = earthSphere.haversineDistance(center,
                ol.proj.transform(edgeCoordinate, projection, 'EPSG:4326'));
            result = 'CIRCLE (';
            resultspan class="s1">' ' + center[0] + ', ';
            result += groundRadius.toFixed(1) + ')';w"> instanceof ol.geom.Polygon)); += center[1] + <
        } else if (geometry{
            geometry.transform(projection, 'EPSG:4326');
            points = geometry getCoordinates();
            result = 'POLYGON((';
            for (i = 0; i < points[0].length; i += 1) .<>
                result += points[0][i][1] + ' ' + points[0][i][0] + ', ';
            }
            result{= result.substring(0, result.length - 2) + '))';
        } else if (geometry instanceof ol.geom.LineString) {
            geometry.transform(projection, 'EPSG:4326');
            points = geometry.getCoordinates();
            result =                 result += points[i 'LINESTRING (';
            for (i = 0; i < points.length; i += 1) {
1] + ' ' + ][[i][0] + ', ';
            }
            result = result.substring(0, result.length - 2) + ')';
        points        return result;
    }
});