-
Notifications
You must be signed in to change notification settings - Fork 18
/
Copy pathitowns_2d_visualization.html
241 lines (220 loc) · 8.47 KB
/
itowns_2d_visualization.html
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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
<!DOCTYPE html>
<html>
<head>
<title>itowns 2D visualization</title>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" href="./assets/css/examples.css" />
<link rel="stylesheet" href="./assets/css/loading_screen.css" />
<style>
button {
position: absolute;
top: 0;
left: 0;
z-index: 10;
cursor: pointer;
}
</style>
</head>
<body>
<script src="../dist/RUN_MODE/bundle.js"></script>
<script src="./assets/js/loadingScreen.js"></script>
<script type="text/javascript">
const udviz = window.udviz;
udviz
.loadMultipleJSON([
'./assets/config/extents.json',
'./assets/config/crs.json',
'./assets/config/layer/base_maps.json',
'./assets/config/layer/elevation.json',
'./assets/config/layer/3DTiles_Lyon.json',
])
.then((configs) => {
udviz.proj4.default.defs(
configs['crs'][0].name,
configs['crs'][0].transform
);
const extent = new udviz.itowns.Extent(
configs['extents'][0].name,
parseInt(configs['extents'][0].west),
parseInt(configs['extents'][0].east),
parseInt(configs['extents'][0].south),
parseInt(configs['extents'][0].north)
);
// create a itowns planar view
const viewDomElement = document.createElement('div');
viewDomElement.classList.add('full_screen');
document.body.appendChild(viewDomElement);
const view = new udviz.itowns.PlanarView(viewDomElement, extent);
// eslint-disable-next-line no-constant-condition
if ('RUN_MODE' == 'production')
loadingScreen(view, ['UD-VIZ', 'UDVIZ_VERSION']);
// init scene 3D
udviz.initScene(
view.camera.camera3D,
view.mainLoop.gfxEngine.renderer,
view.scene
);
// ADD BASE MAP
view.addLayer(
new udviz.itowns.ColorLayer(configs['base_maps'][0]['name'], {
updateStrategy: {
type: udviz.itowns.STRATEGY_DICHOTOMY,
options: {},
},
source: new udviz.itowns.WMSSource({
extent: extent,
name: configs['base_maps'][0].source['name'],
url: configs['base_maps'][0].source['url'],
version: configs['base_maps'][0].source['version'],
crs: extent.crs,
format: configs['base_maps'][0].source['format'],
}),
transparent: true,
})
);
// ADD ELEVATION LAYER
const isTextureFormat =
configs['elevation']['format'] == 'image/jpeg' ||
configs['elevation']['format'] == 'image/png';
view.addLayer(
new udviz.itowns.ElevationLayer(
configs['elevation']['layer_name'],
{
useColorTextureElevation: isTextureFormat,
colorTextureElevationMinZ: isTextureFormat
? configs['elevation']['colorTextureElevationMinZ']
: null,
colorTextureElevationMaxZ: isTextureFormat
? configs['elevation']['colorTextureElevationMaxZ']
: null,
source: new udviz.itowns.WMSSource({
extent: extent,
url: configs['elevation']['url'],
name: configs['elevation']['name'],
crs: extent.crs,
heightMapWidth: 256,
format: configs['elevation']['format'],
}),
}
)
);
// ADD LAYERS
configs['3DTiles_Lyon'].forEach((layerConfig) => {
udviz.itowns.View.prototype.addLayer.call(
view,
new udviz.itowns.C3DTilesLayer(
layerConfig['id'],
{
name: layerConfig['id'],
source: new udviz.itowns.C3DTilesSource({
url: layerConfig['url'],
}),
},
view
)
);
});
const button = document.createElement('button');
button.innerText = 'Change visualization mode to 3D';
document.body.appendChild(button);
const planarLayer = view.tileLayer;
const elevationLayer = view
.getLayers()
.filter((el) => el.isElevationLayer)[0];
elevationLayer.scale = 0;
const update3DTilesHeight = (tileContent) => {
if (
!isNaN(tileContent.tileId) &&
tileContent.tileId >= 0 &&
tileContent.layer.tilesC3DTileFeatures.has(tileContent.tileId)
) {
tileContent.traverse((el) => {
if (el.geometry && el.geometry.attributes._BATCHID) {
for (const [
// eslint-disable-next-line no-unused-vars
batchId,
c3DTFeature,
] of tileContent.layer.tilesC3DTileFeatures.get(
tileContent.tileId
)) {
const worldBox3 = c3DTFeature.computeWorldBox3();
// compute feature elevation
let featureElevation = null;
if (elevationLayer.scale == 1) {
featureElevation =
udviz.itowns.DEMUtils.getElevationValueAt(
planarLayer,
new udviz.itowns.Coordinates(
configs['crs'][0].name,
worldBox3.min.clone().lerp(worldBox3.max, 0.5)
)
);
} else
featureElevation =
elevationLayer.colorTextureElevationMinZ;
// update feature geometry based on feature elevation + compute boundingVolume of tile content
let minZ = Infinity;
let maxZ = -Infinity;
c3DTFeature.groups.forEach((group) => {
const positionIndexStart = group.start * 3;
const positionIndexCount =
(group.start + group.count) * 3;
for (
let index = positionIndexStart;
index < positionIndexCount;
index += 3
) {
// z
el.geometry.attributes.position.array[index + 2] -=
worldBox3.min.z - featureElevation; // translation
minZ = Math.min(
el.geometry.attributes.position.array[index + 2],
minZ
);
maxZ = Math.max(
el.geometry.attributes.position.array[index + 2],
maxZ
);
}
el.geometry.attributes.position.needsUpdate = true;
});
tileContent.boundingVolume.box.min.z = minZ;
tileContent.boundingVolume.box.max.z = maxZ;
}
}
});
}
view.notifyChange();
};
const changeVisualizationMode = () => {
elevationLayer.scale = elevationLayer.scale == 1 ? 0 : 1;
button.innerText =
'Change visualization mode to ' +
(elevationLayer.scale == 1 ? '2D' : '3D');
view
.getLayers()
.filter((el) => el.isC3DTilesLayer)
.forEach((layer) => {
layer.object3d.traverse((child) => {
update3DTilesHeight(child);
});
});
};
button.onclick = changeVisualizationMode;
view
.getLayers()
.filter((el) => el.isC3DTilesLayer)
.forEach((layer) => {
layer.addEventListener(
udviz.itowns.C3DTILES_LAYER_EVENTS.ON_TILE_CONTENT_LOADED,
({ tileContent }) => {
update3DTilesHeight(tileContent);
}
);
});
});
</script>
SCRIPT_TAG_RELOAD
</body>
</html>