|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Smindel\GIS\Control; |
|
4
|
|
|
|
|
5
|
|
|
use SilverStripe\Control\Controller; |
|
6
|
|
|
use SilverStripe\Core\Config\Config; |
|
7
|
|
|
use SilverStripe\Security\Security; |
|
8
|
|
|
use SilverStripe\Security\Permission; |
|
9
|
|
|
use SilverStripe\ORM\DB; |
|
10
|
|
|
use Smindel\GIS\GIS; |
|
11
|
|
|
use Smindel\GIS\Service\Tile; |
|
12
|
|
|
use Smindel\GIS\Model\Raster; |
|
13
|
|
|
use SilverStripe\Assets\File; |
|
14
|
|
|
use Exception; |
|
15
|
|
|
|
|
16
|
|
|
class WebMapTileService extends AbstractGISWebServiceController |
|
17
|
|
|
{ |
|
18
|
|
|
private static $url_handlers = array( |
|
|
|
|
|
|
19
|
|
|
'$Model//$ID!/$z!/$x!/$y!' => 'handleAction', |
|
20
|
|
|
'$Model//$z!/$x!/$y!' => 'handleAction', |
|
21
|
|
|
); |
|
22
|
|
|
|
|
23
|
|
|
/** |
|
24
|
|
|
* Buffer in pixel by wich the tile box is enlarged, which is used for |
|
25
|
|
|
* filtering the data. That's in orderer to include points from a bordering |
|
26
|
|
|
* tile that was cut and that wouldn't be rendered in this tile in order to |
|
27
|
|
|
* show a complete point. Use int as a uniform buffer around the current tile |
|
28
|
|
|
* or a two values for left/right and top/bottom or four values for left, top, |
|
29
|
|
|
* right and bottom. |
|
30
|
|
|
* |
|
31
|
|
|
* @var mixed |
|
32
|
|
|
*/ |
|
33
|
|
|
private static $tile_buffer = 5; |
|
|
|
|
|
|
34
|
|
|
|
|
35
|
|
|
private static $tile_size = 256; |
|
|
|
|
|
|
36
|
|
|
|
|
37
|
|
|
private static $wrap_date = true; |
|
|
|
|
|
|
38
|
|
|
|
|
39
|
|
|
private static $cache_path = 'tile-cache'; |
|
|
|
|
|
|
40
|
|
|
|
|
41
|
|
|
private static $cache_ttl = 0; |
|
|
|
|
|
|
42
|
|
|
|
|
43
|
|
|
private static $default_style = [ |
|
|
|
|
|
|
44
|
|
|
'gd' => [ |
|
45
|
|
|
'backgroundcolor' => [0, 0, 0, 127], |
|
46
|
|
|
'strokecolor' => [60, 60, 210, 0], |
|
47
|
|
|
'fillcolor' => [60, 60, 210, 80], |
|
48
|
|
|
'setthickness' => [2], |
|
49
|
|
|
'pointradius' => 5, |
|
50
|
|
|
], |
|
51
|
|
|
'imagick' => [ |
|
52
|
|
|
'StrokeOpacity' => 1, |
|
53
|
|
|
'StrokeWidth' => 2, |
|
54
|
|
|
'StrokeColor' => 'rgb(60,60,210)', |
|
55
|
|
|
'FillColor' => 'rgba(60,60,210,.25)', |
|
56
|
2 |
|
'PointRadius' => 5, |
|
57
|
|
|
], |
|
58
|
2 |
|
]; |
|
59
|
2 |
|
|
|
60
|
|
|
public function index($request) |
|
61
|
|
|
{ |
|
62
|
2 |
|
$model = $this->model = $this->getModel($request); |
|
63
|
1 |
|
$config = $this->getConfig($model); |
|
64
|
|
|
|
|
65
|
|
|
if ( |
|
66
|
|
|
($cache = $config['cache_ttl'] ? sha1(json_encode($request->getVars())) : false) |
|
67
|
|
|
&& ($age = $this->cacheAge($cache)) !== false |
|
68
|
|
|
&& $config['cache_ttl'] > $age |
|
69
|
|
|
) { |
|
70
|
|
|
$response = $this->getResponse(); |
|
71
|
|
|
$response->addHeader('Content-Type', 'image/png'); |
|
72
|
2 |
|
$response->setBody($this->readCache($cache)); |
|
73
|
2 |
|
return $response; |
|
74
|
|
|
} |
|
75
|
2 |
|
|
|
76
|
1 |
|
$renderer = Config::inst()->get($this->getModel($request), 'tile_renderer'); |
|
77
|
|
|
$response = $this->$renderer($request); |
|
78
|
|
|
|
|
79
|
2 |
|
if ($cache && $response->getStatusCode() == 200) { |
|
80
|
|
|
$this->writeCache($cache, $response->getBody()); |
|
81
|
|
|
} |
|
82
|
2 |
|
|
|
83
|
|
|
return $response; |
|
84
|
2 |
|
} |
|
85
|
2 |
|
|
|
86
|
2 |
|
public function vector_renderer($request) |
|
87
|
|
|
{ |
|
88
|
2 |
|
$model = $this->model = $this->getModel($request); |
|
89
|
2 |
|
$config = $this->getConfig($model); |
|
90
|
2 |
|
$list = $this->getRecords($request); |
|
91
|
|
|
|
|
92
|
2 |
|
$z = $request->param('z'); |
|
93
|
2 |
|
$x = $request->param('x'); |
|
94
|
|
|
$y = $request->param('y'); |
|
95
|
2 |
|
|
|
96
|
2 |
|
$tileSize = $config['tile_size']; |
|
97
|
|
|
$tile = Tile::create($z, $x, $y, $config['default_style'], $config['wrap_date'], $tileSize); |
|
98
|
2 |
|
|
|
99
|
|
|
list($lon1, $lat1) = Tile::zxy2lonlat($z, $x, $y); |
|
100
|
2 |
|
list($lon2, $lat2) = Tile::zxy2lonlat($z, $x + 1, $y + 1); |
|
101
|
2 |
|
|
|
102
|
2 |
|
$geometryField = $config['geometry_field']; |
|
103
|
|
|
|
|
104
|
|
|
$bufferSize = $config['tile_buffer']; |
|
105
|
|
|
if (!is_array($bufferSize)) { |
|
106
|
|
|
$bufferSize = array_fill(0, 4, $bufferSize); |
|
107
|
|
|
} elseif (count($bufferSize) == 2) { |
|
108
|
2 |
|
$bufferSize += $bufferSize; |
|
109
|
2 |
|
} |
|
110
|
2 |
|
|
|
111
|
2 |
|
$buffer = [ |
|
112
|
|
|
($lon2 - $lon1) / $tileSize * $bufferSize[0], |
|
113
|
|
|
($lat2 - $lat1) / $tileSize * $bufferSize[1], |
|
114
|
|
|
($lon2 - $lon1) / $tileSize * $bufferSize[2], |
|
115
|
2 |
|
($lat2 - $lat1) / $tileSize * $bufferSize[3], |
|
116
|
2 |
|
]; |
|
117
|
2 |
|
|
|
118
|
2 |
|
$boxes = [[ |
|
119
|
2 |
|
[$lon1 - $buffer[0], $lat1 - $buffer[1]], |
|
120
|
|
|
[$lon2 + $buffer[2], $lat1 - $buffer[1]], |
|
121
|
|
|
[$lon2 + $buffer[2], $lat2 + $buffer[3]], |
|
122
|
|
|
[$lon1 - $buffer[0], $lat2 + $buffer[3]], |
|
123
|
2 |
|
[$lon1 - $buffer[0], $lat1 - $buffer[1]], |
|
124
|
2 |
|
]]; |
|
125
|
2 |
|
|
|
126
|
|
|
$bounds = [ |
|
127
|
|
|
'type' => 'Polygon', |
|
128
|
2 |
|
'srid' => 4326, |
|
129
|
2 |
|
'coordinates' => $boxes, |
|
130
|
2 |
|
]; |
|
131
|
2 |
|
|
|
132
|
2 |
|
$list = $list->filter( |
|
133
|
2 |
|
$geometryField . ':ST_Intersects', |
|
134
|
|
|
GIS::to_ewkt( |
|
135
|
|
|
GIS::reproject( |
|
136
|
|
|
$bounds, |
|
137
|
|
|
GIS::config()->default_srid |
|
138
|
2 |
|
) |
|
139
|
|
|
) |
|
140
|
|
|
); |
|
141
|
|
|
|
|
142
|
2 |
|
if ($request->requestVar('debug')) { |
|
143
|
2 |
|
$tile->debug("$z, $x, $y, " . $list->count()); |
|
144
|
2 |
|
} |
|
145
|
|
|
|
|
146
|
2 |
|
$response = $this->getResponse(); |
|
147
|
|
|
$response->addHeader('Content-Type', $tile->getContentType()); |
|
148
|
|
|
$response->setBody($tile->render($list)); |
|
149
|
|
|
|
|
150
|
|
|
return $response; |
|
151
|
|
|
} |
|
152
|
|
|
|
|
153
|
|
|
public function raster_renderer($request) |
|
154
|
|
|
{ |
|
155
|
|
|
$model = $this->model = $this->getModel($request); |
|
156
|
|
|
if (is_a($model, File::class, true)) { |
|
157
|
|
|
$file = $model::get()->byID($request->param('ID')); |
|
158
|
|
|
if (!$file) { |
|
159
|
|
|
return $this->getResponse()->setStatusCode(404); |
|
160
|
|
|
} |
|
161
|
|
|
if (!$file->canView()) { |
|
162
|
|
|
return $this->getResponse()->setStatusCode(403); |
|
163
|
|
|
} |
|
164
|
|
|
$raster = new Raster(PUBLIC_PATH . $file->getURL()); |
|
165
|
|
|
} else if (is_a($model, Raster::class, true)) { |
|
166
|
|
|
$raster = singleton($model); |
|
167
|
|
|
} else { |
|
168
|
|
|
throw new Exception('Cannot render tile from ' . $model); |
|
169
|
|
|
} |
|
170
|
|
|
|
|
171
|
|
|
$z = $request->param('z'); |
|
172
|
|
|
$x = $request->param('x'); |
|
173
|
|
|
$y = $request->param('y'); |
|
174
|
|
|
|
|
175
|
|
|
list($lon1, $lat1) = Tile::zxy2lonlat($z, $x, $y); |
|
176
|
|
|
list($lon2, $lat2) = Tile::zxy2lonlat($z, $x + 1, $y + 1); |
|
177
|
|
|
|
|
178
|
|
|
list($x1, $y1) = ($srid = $raster->getSrid()) == 4326 ? [$lon1, $lat1] : GIS::reproject(['srid' => 4326, 'type' => 'Point', 'coordinates' => [$lon1, $lat1]], $srid)['coordinates']; |
|
179
|
|
|
list($x2, $y2) = ($srid = $raster->getSrid()) == 4326 ? [$lon2, $lat2] : GIS::reproject(['srid' => 4326, 'type' => 'Point', 'coordinates' => [$lon2, $lat2]], $srid)['coordinates']; |
|
180
|
|
|
|
|
181
|
|
|
$tile_size_x = $tile_size_y = 256; |
|
|
|
|
|
|
182
|
1 |
|
$input_filename = $raster->getFilename(); |
|
|
|
|
|
|
183
|
|
|
$output_filename = '/dev/stdout'; |
|
|
|
|
|
|
184
|
1 |
|
$response = $this->getResponse(); |
|
185
|
1 |
|
|
|
186
|
1 |
|
return $response |
|
187
|
1 |
|
->addHeader('Content-Type', 'image/png') |
|
188
|
|
|
->setBody($raster->translateRaster( |
|
189
|
1 |
|
[$x1, $y1], [$x2, $y2], |
|
190
|
1 |
|
256, 256 |
|
191
|
|
|
)); |
|
192
|
|
|
} |
|
193
|
1 |
|
|
|
194
|
|
|
protected function cacheFile($cache) |
|
195
|
|
|
{ |
|
196
|
1 |
|
$dir = $this->getConfig($this->model)['cache_path'] . DIRECTORY_SEPARATOR; |
|
197
|
|
|
$dir = $dir[0] != DIRECTORY_SEPARATOR |
|
198
|
1 |
|
? TEMP_PATH . DIRECTORY_SEPARATOR . $dir |
|
199
|
|
|
: $dir; |
|
200
|
1 |
|
|
|
201
|
|
|
if (!file_exists($dir)) { |
|
202
|
|
|
mkdir($dir, fileperms(TEMP_PATH), true); |
|
203
|
|
|
} |
|
204
|
|
|
|
|
205
|
|
|
return $dir . $cache; |
|
206
|
|
|
} |
|
207
|
|
|
|
|
208
|
1 |
|
protected function cacheAge($cache) |
|
209
|
|
|
{ |
|
210
|
1 |
|
return is_readable($file = $this->cacheFile($cache)) |
|
211
|
1 |
|
? time() - filemtime($file) |
|
212
|
|
|
: false; |
|
213
|
|
|
} |
|
214
|
|
|
|
|
215
|
|
|
protected function readCache($cache) |
|
216
|
|
|
{ |
|
217
|
|
|
return file_get_contents($this->cacheFile($cache)); |
|
218
|
|
|
} |
|
219
|
|
|
|
|
220
|
|
|
protected function writeCache($cache, $data) |
|
221
|
|
|
{ |
|
222
|
|
|
file_put_contents($this->cacheFile($cache), $data); |
|
223
|
|
|
} |
|
224
|
|
|
} |
|
225
|
|
|
|
smindel /
silverstripe-gis
Loading history...
