|
1
|
|
|
<?php |
|
2
|
|
|
namespace geoPHP\Adapter; |
|
3
|
|
|
|
|
4
|
|
|
use geoPHP\Geometry\Collection; |
|
5
|
|
|
use geoPHP\Geometry\Geometry; |
|
6
|
|
|
use geoPHP\Geometry\GeometryCollection; |
|
7
|
|
|
use geoPHP\Geometry\Point; |
|
8
|
|
|
use geoPHP\Geometry\LineString; |
|
9
|
|
|
use geoPHP\Geometry\MultiLineString; |
|
10
|
|
|
|
|
11
|
|
|
/* |
|
12
|
|
|
* Copyright (c) Patrick Hayes |
|
13
|
|
|
* |
|
14
|
|
|
* This code is open-source and licenced under the Modified BSD License. |
|
15
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
16
|
|
|
* file that was distributed with this source code. |
|
17
|
|
|
*/ |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* PHP Geometry/GPX encoder/decoder |
|
21
|
|
|
*/ |
|
22
|
|
|
trait GPXWriter |
|
23
|
|
|
{ |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* @var string Name-space string. eg 'georss:' |
|
27
|
|
|
*/ |
|
28
|
|
|
private $nss = ''; |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* @var GpxTypes |
|
32
|
|
|
*/ |
|
33
|
|
|
protected $gpxTypes; |
|
34
|
|
|
|
|
35
|
|
|
/** |
|
36
|
|
|
* Serialize geometries into a GPX string. |
|
37
|
|
|
* |
|
38
|
|
|
* @param Geometry|GeometryCollection $geometry |
|
39
|
|
|
* @param string $namespace |
|
40
|
|
|
* @param array<array> $allowedElements Which elements can be added to each GPX type |
|
41
|
|
|
* If not specified, every element defined in the GPX specification can be added |
|
42
|
|
|
* Can be overwritten with an associative array, with type name in keys. |
|
43
|
|
|
* eg.: ['wptType' => ['ele', 'name'], 'trkptType' => ['ele'], 'metadataType' => null] |
|
44
|
|
|
* @return string The GPX string representation of the input geometries |
|
45
|
|
|
*/ |
|
46
|
|
|
public function write(Geometry $geometry, string $namespace = '', array $allowedElements = []): string |
|
47
|
|
|
{ |
|
48
|
|
|
$namespace = trim($namespace); |
|
49
|
|
|
if (!empty($namespace)) { |
|
50
|
|
|
$this->nss = $namespace . ':'; |
|
51
|
|
|
} |
|
52
|
|
|
$this->gpxTypes = new GpxTypes($allowedElements); |
|
53
|
|
|
|
|
54
|
|
|
return |
|
55
|
|
|
'<?xml version="1.0" encoding="UTF-8"?> |
|
56
|
|
|
<' . $this->nss . 'gpx creator="geoPHP" version="1.1" |
|
57
|
|
|
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" |
|
58
|
|
|
xmlns="http://www.topografix.com/GPX/1/1" |
|
59
|
|
|
xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd" > |
|
60
|
|
|
|
|
61
|
|
|
' . $this->geometryToGPX($geometry) . |
|
62
|
|
|
'</' . $this->nss . 'gpx> |
|
63
|
|
|
'; |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
/** |
|
67
|
|
|
* @param Geometry|Collection $geometry |
|
68
|
|
|
* @return string |
|
69
|
|
|
*/ |
|
70
|
|
|
protected function geometryToGPX($geometry): string |
|
71
|
|
|
{ |
|
72
|
|
|
switch ($geometry->geometryType()) { |
|
73
|
|
|
case Geometry::POINT: |
|
74
|
|
|
/** @var Point $geometry */ |
|
75
|
|
|
return $this->pointToGPX($geometry); |
|
76
|
|
|
case Geometry::LINESTRING: |
|
77
|
|
|
case Geometry::MULTI_LINESTRING: |
|
78
|
|
|
/** @var LineString $geometry */ |
|
79
|
|
|
return $this->linestringToGPX($geometry); |
|
80
|
|
|
case Geometry::POLYGON: |
|
81
|
|
|
case Geometry::MULTI_POINT: |
|
82
|
|
|
case Geometry::MULTI_POLYGON: |
|
83
|
|
|
case Geometry::GEOMETRY_COLLECTION: |
|
84
|
|
|
/** @var GeometryCollection $geometry */ |
|
85
|
|
|
return $this->collectionToGPX($geometry); |
|
86
|
|
|
} |
|
87
|
|
|
return ''; |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
|
|
/** |
|
91
|
|
|
* @param Point $geom |
|
92
|
|
|
* @param string $tag Can be "wpt", "trkpt" or "rtept" |
|
93
|
|
|
* @return string |
|
94
|
|
|
*/ |
|
95
|
|
|
private function pointToGPX($geom, $tag = 'wpt'): string |
|
96
|
|
|
{ |
|
97
|
|
|
if ($geom->isEmpty() || ($tag === 'wpt' && !in_array($tag, $this->gpxTypes->get('gpxType')))) { |
|
98
|
|
|
return ''; |
|
99
|
|
|
} |
|
100
|
|
|
$indent = $tag === 'trkpt' ? "\t\t" : ($tag === 'rtept' ? "\t" : ''); |
|
101
|
|
|
|
|
102
|
|
|
if ($geom->hasZ() || $geom->getData() !== null) { |
|
103
|
|
|
$node = $indent . "<" . $this->nss . $tag . " lat=\"" . $geom->getY() . "\" lon=\"" . $geom->getX() . "\">\n"; |
|
104
|
|
|
if ($geom->hasZ()) { |
|
105
|
|
|
$geom->setData('ele', $geom->getZ()); |
|
106
|
|
|
} |
|
107
|
|
|
$node .= self::processGeometryData($geom, $this->gpxTypes->get($tag . 'Type'), $indent . "\t") . |
|
108
|
|
|
$indent . "</" . $this->nss . $tag . ">\n"; |
|
109
|
|
|
if ($geom->hasZ()) { |
|
110
|
|
|
$geom->setData('ele', null); |
|
111
|
|
|
} |
|
112
|
|
|
return $node; |
|
113
|
|
|
} |
|
114
|
|
|
return $indent . "<" . $this->nss . $tag . " lat=\"" . $geom->getY() . "\" lon=\"" . $geom->getX() . "\" />\n"; |
|
115
|
|
|
} |
|
116
|
|
|
|
|
117
|
|
|
/** |
|
118
|
|
|
* Writes a LineString or MultiLineString to the GPX |
|
119
|
|
|
* |
|
120
|
|
|
* The (Multi)LineString will be included in a <trk></trk> block |
|
121
|
|
|
* The LineString or each LineString of the MultiLineString will be in <trkseg> </trkseg> inside the <trk> |
|
122
|
|
|
* |
|
123
|
|
|
* @param LineString|MultiLineString $geom |
|
124
|
|
|
* @return string |
|
125
|
|
|
*/ |
|
126
|
|
|
private function linestringToGPX($geom): string |
|
127
|
|
|
{ |
|
128
|
|
|
$isTrack = $geom->getData('gpxType') === 'route' ? false : true; |
|
129
|
|
|
if ($geom->isEmpty() || !in_array($isTrack ? 'trk' : 'rte', $this->gpxTypes->get('gpxType'))) { |
|
130
|
|
|
return ''; |
|
131
|
|
|
} |
|
132
|
|
|
|
|
133
|
|
|
if ($isTrack) { // write as <trk> |
|
134
|
|
|
/** @noinspection SpellCheckingInspection */ |
|
135
|
|
|
$gpx = "<" . $this->nss . "trk>\n" . self::processGeometryData($geom, $this->gpxTypes->get('trkType')); |
|
136
|
|
|
$components = $geom->geometryType() === 'LineString' ? [$geom] : $geom->getComponents(); |
|
137
|
|
|
foreach ($components as $lineString) { |
|
138
|
|
|
$gpx .= "\t<" . $this->nss . "trkseg>\n"; |
|
139
|
|
|
foreach ($lineString->getPoints() as $point) { |
|
140
|
|
|
$gpx .= $this->pointToGPX($point, 'trkpt'); |
|
141
|
|
|
} |
|
142
|
|
|
$gpx .= "\t</" . $this->nss . "trkseg>\n"; |
|
143
|
|
|
} |
|
144
|
|
|
/** @noinspection SpellCheckingInspection */ |
|
145
|
|
|
$gpx .= "</" . $this->nss . "trk>\n"; |
|
146
|
|
|
} else { // write as <rte> |
|
147
|
|
|
/** @noinspection SpellCheckingInspection */ |
|
148
|
|
|
$gpx = "<" . $this->nss . "rte>\n" . self::processGeometryData($geom, $this->gpxTypes->get('rteType')); |
|
149
|
|
|
foreach ($geom->getPoints() as $point) { |
|
150
|
|
|
$gpx .= $this->pointToGPX($point, 'rtept'); |
|
151
|
|
|
} |
|
152
|
|
|
/** @noinspection SpellCheckingInspection */ |
|
153
|
|
|
$gpx .= "</" . $this->nss . "rte>\n"; |
|
154
|
|
|
} |
|
155
|
|
|
|
|
156
|
|
|
return $gpx; |
|
157
|
|
|
} |
|
158
|
|
|
|
|
159
|
|
|
/** |
|
160
|
|
|
* @param Collection $geometry |
|
161
|
|
|
* @return string |
|
162
|
|
|
*/ |
|
163
|
|
|
public function collectionToGPX($geometry): string |
|
164
|
|
|
{ |
|
165
|
|
|
$metadata = self::processGeometryData($geometry, $this->gpxTypes->get('metadataType')); |
|
166
|
|
|
$metadata = empty($metadata) || !in_array('metadataType', $this->gpxTypes->get('gpxType')) ? |
|
167
|
|
|
'' : "<metadata>\n" . $metadata . "</metadata>\n\n"; |
|
168
|
|
|
$wayPoints = $routes = $tracks = ""; |
|
169
|
|
|
|
|
170
|
|
|
foreach ($geometry->getComponents() as $component) { |
|
171
|
|
|
$geometryType = $component->geometryType(); |
|
172
|
|
|
|
|
173
|
|
|
if (strpos($geometryType, 'Point') !== false) { |
|
174
|
|
|
$wayPoints .= $this->geometryToGPX($component); |
|
175
|
|
|
} elseif (strpos($geometryType, 'Linestring') !== false) { |
|
176
|
|
|
if ($component->getData('gpxType') === 'route') { |
|
177
|
|
|
$routes .= $this->geometryToGPX($component); |
|
178
|
|
|
} else { |
|
179
|
|
|
$tracks .= $this->geometryToGPX($component); |
|
180
|
|
|
} |
|
181
|
|
|
} else { |
|
182
|
|
|
return $this->geometryToGPX($component); |
|
183
|
|
|
} |
|
184
|
|
|
} |
|
185
|
|
|
|
|
186
|
|
|
return $metadata . $wayPoints . $routes . $tracks; |
|
187
|
|
|
} |
|
188
|
|
|
|
|
189
|
|
|
/** |
|
190
|
|
|
* @param Geometry $geometry |
|
191
|
|
|
* @param string[] $tagList Allowed tags |
|
192
|
|
|
* @param string $indent |
|
193
|
|
|
* @return string |
|
194
|
|
|
*/ |
|
195
|
|
|
protected static function processGeometryData($geometry, $tagList, $indent = "\t"): string |
|
196
|
|
|
{ |
|
197
|
|
|
$tags = ''; |
|
198
|
|
|
if ($geometry->getData() !== null) { |
|
199
|
|
|
foreach ($tagList as $tagName) { |
|
200
|
|
|
if ($geometry->hasDataProperty($tagName)) { |
|
201
|
|
|
$tags .= self::createNodes($tagName, $geometry->getData($tagName), $indent) . "\n"; |
|
202
|
|
|
} |
|
203
|
|
|
} |
|
204
|
|
|
} |
|
205
|
|
|
return $tags; |
|
206
|
|
|
} |
|
207
|
|
|
|
|
208
|
|
|
/** |
|
209
|
|
|
* @param string $tagName |
|
210
|
|
|
* @param string|array<array> $value |
|
211
|
|
|
* @param string $indent |
|
212
|
|
|
* @return string |
|
213
|
|
|
*/ |
|
214
|
|
|
protected static function createNodes($tagName, $value, $indent): string |
|
215
|
|
|
{ |
|
216
|
|
|
$attributes = ''; |
|
217
|
|
|
if (!is_array($value)) { |
|
218
|
|
|
$returnValue = $value; |
|
219
|
|
|
} else { |
|
220
|
|
|
$returnValue = ''; |
|
221
|
|
|
if (array_key_exists('@attributes', $value)) { |
|
222
|
|
|
$attributes = ''; |
|
223
|
|
|
foreach ($value['@attributes'] as $attributeName => $attributeValue) { |
|
224
|
|
|
$attributes .= ' ' . $attributeName . '="' . $attributeValue . '"'; |
|
225
|
|
|
} |
|
226
|
|
|
unset($value['@attributes']); |
|
227
|
|
|
} |
|
228
|
|
|
foreach ($value as $subKey => $subValue) { |
|
229
|
|
|
$returnValue .= "\n" . self::createNodes($subKey, $subValue, $indent . "\t") . "\n" . $indent; |
|
230
|
|
|
} |
|
231
|
|
|
} |
|
232
|
|
|
return $indent . "<{$tagName}{$attributes}>{$returnValue}</{$tagName}>"; |
|
233
|
|
|
} |
|
234
|
|
|
} |
|
235
|
|
|
|