iTowns/itowns | Build 10902507646 | src/Source/Potree2Source.js | Coveralls

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import Source from 'Source/Source';

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import Fetcher from 'Provider/Fetcher';

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import Potree2BinParser from 'Parser/Potree2BinParser';

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/**

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 * Potree2Source are object containing informations on how to fetch potree 2.0 points cloud resources.

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*/

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class Potree2Source extends Source {

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/**

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     * @param {Object} source - An object that can contain all properties of a

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     * Potree2Source

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     * @param {string} source.url - folder url.

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     * @param {string} source.file - metadata file name.

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     * This `metadata` file stores information about the potree cloud 2.0 in JSON format. the structure is :

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     * * __`version`__ - The metadata.json format may change over time. The version number is

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     * necessary so that parsers know how to interpret the data.

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     * * __`name`__ - Point cloud name.

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     * * __`description`__ - Point cloud description.

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     * * __`points`__ - Total number of points.

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     * * __`projection`__ - Point cloud geographic projection system.

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     * * __`hierarchy`__ - Information about point cloud hierarchy (first chunk size, step size, octree depth).

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     * * __`offset`__ - Position offset used to determine the global point position.

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     * * __`scale`__ - Point cloud scale.

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     * * __`spacing`__ - The minimum distance between points at root level.

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     * * __`boundingBox`__ - Contains the minimum and maximum of the axis aligned bounding box. This bounding box is cubic and aligned to fit to the octree root.

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     * * __`encoding`__ - Encoding type: BROTLI or DEFAULT (uncompressed).

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     * * __`attributes`__ - Array of attributes (position,  intensity, return number, number of returns, classification, scan angle rank, user data, point source id, gps-time, rgb).

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     * ```

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* {

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     *     version: '2.0',

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     *     name: "sample",

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     *     description: "",

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     *     points: 534909153,

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     *     projection: "",

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     *     hierarchy: {

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     *         firstChunkSize: 1276,

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     *         stepSize: 4,

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     *         depth: 16

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     *     },

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     *     offset: [1339072.07, 7238866.339, 85.281],

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     *     scale: [0.001, 0.001, 0.002],

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     *     spacing: 24.476062500005355,

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     *     boundingBox: {

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     *         min: [1339072.07, 7238866.339, 85.281],

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     *         max: [1342205.0060000008, 7241999.275, 3218.2170000006854]

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     *     },

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     *     encoding: "BROTLI",

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     *     attributes: [

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     *          {

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     *              name: "position",

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     *              description: "",

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     *              size: 12,

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     *              numElements: 3,

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     *              elementSize: 4,

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     *              type: "int32",

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     *              min: [-0.74821299314498901, -2.7804059982299805, 2.5478212833404541],

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     *              max: [2.4514148223438199, 1.4893437627414672, 7.1957106576508663]

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     *          },

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     *          {

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     *              name: "intensity",

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     *              description: "",

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     *              size: 2,

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     *              numElements: 1,

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     *              elementSize: 2,

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     *              type: "uint16",

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     *              min: [0],

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     *              max: [0]

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     *          },{

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     *              name: "return number",

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     *              description: "",

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     *              size: 1,

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     *              numElements: 1,

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     *              elementSize: 1,

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     *              type: "uint8",

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     *              min: [0],

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     *              max: [0]

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     *          },{

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     *              name: "number of returns",

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     *              description: "",

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     *              size: 1,

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     *              numElements: 1,

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     *              elementSize: 1,

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     *              type: "uint8",

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     *              min: [0],

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     *              max: [0]

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     *          },{

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     *              name: "classification",

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     *              description: "",

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     *              size: 1,

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     *              numElements: 1,

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     *              elementSize: 1,

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     *              type: "uint8",

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     *              min: [0],

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     *              max: [0]

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     *          },{

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     *              name: "scan angle rank",

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     *              description: "",

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     *              size: 1,

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     *              numElements: 1,

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     *              elementSize: 1,

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     *              type: "uint8",

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     *              min: [0],

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     *              max: [0]

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     *          },{

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     *              name: "user data",

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     *              description: "",

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     *              size: 1,

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     *              numElements: 1,

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     *              elementSize: 1,

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     *              type: "uint8",

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     *              min: [0],

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     *              max: [0]

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     *          },{

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     *              name: "point source id",

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     *              description: "",

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     *              size: 2,

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     *              numElements: 1,

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     *              elementSize: 2,

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     *              type: "uint16",

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     *              min: [0],

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     *              max: [0]

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     *          },{

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     *              name: "gps-time",

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     *              description: "",

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     *              size: 8,

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     *              numElements: 1,

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     *              elementSize: 8,

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     *              type: "double",

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     *              min: [0],

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     *              max: [0]

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     *          },{

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     *              name: "rgb",

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     *              description: "",

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     *              size: 6,

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     *              numElements: 3,

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     *              elementSize: 2,

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     *              type: "uint16",

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     *              min: [5632, 5376, 4864],

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     *              max: [65280, 65280, 65280]

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     *          }

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     *     ]

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* }

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     * ```

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     * @extends Source

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*/

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    constructor(source) {

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        super(source);

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        this.file = source.file;

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        this.fetcher = Fetcher.arrayBuffer;

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        this.whenReady = (source.metadata ? Promise.resolve(source.metadata) : Fetcher.json(`${this.url}/${this.file}`, this.networkOptions))

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            .then((metadata) => {

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                this.metadata = metadata;

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                this.pointAttributes = metadata.attributes;

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                this.baseurl = `${this.url}`;

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                this.extension = 'bin';

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                this.parser = Potree2BinParser.parse;

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                return metadata;

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});

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export default Potree2Source;

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iTowns / itowns / 10902507646

Source File
Press 'n' to go to next uncovered line, 'b' for previous

1	import Source from 'Source/Source';	1✔
2	import Fetcher from 'Provider/Fetcher';	1✔
3	import Potree2BinParser from 'Parser/Potree2BinParser';	1✔
4		1✔
5	/**	1✔
6	* Potree2Source are object containing informations on how to fetch potree 2.0 points cloud resources.	1✔
7	*/	1✔
8		1✔
9	class Potree2Source extends Source {	1✔
10	/**	1✔
11	* @param {Object} source - An object that can contain all properties of a	1✔
12	* Potree2Source	1✔
13	* @param {string} source.url - folder url.	1✔
14	* @param {string} source.file - metadata file name.	1✔
15	*	1✔
16	* This `metadata` file stores information about the potree cloud 2.0 in JSON format. the structure is :	1✔
17	*	1✔
18	* * __`version`__ - The metadata.json format may change over time. The version number is	1✔
19	* necessary so that parsers know how to interpret the data.	1✔
20	* * __`name`__ - Point cloud name.	1✔
21	* * __`description`__ - Point cloud description.	1✔
22	* * __`points`__ - Total number of points.	1✔
23	* * __`projection`__ - Point cloud geographic projection system.	1✔
24	* * __`hierarchy`__ - Information about point cloud hierarchy (first chunk size, step size, octree depth).	1✔
25	* * __`offset`__ - Position offset used to determine the global point position.	1✔
26	* * __`scale`__ - Point cloud scale.	1✔
27	* * __`spacing`__ - The minimum distance between points at root level.	1✔
28	* * __`boundingBox`__ - Contains the minimum and maximum of the axis aligned bounding box. This bounding box is cubic and aligned to fit to the octree root.	1✔
29	* * __`encoding`__ - Encoding type: BROTLI or DEFAULT (uncompressed).	1✔
30	* * __`attributes`__ - Array of attributes (position, intensity, return number, number of returns, classification, scan angle rank, user data, point source id, gps-time, rgb).	1✔
31	* ```	1✔
32	* {	1✔
33	* version: '2.0',	1✔
34	* name: "sample",	1✔
35	* description: "",	1✔
36	* points: 534909153,	1✔
37	* projection: "",	1✔
38	* hierarchy: {	1✔
39	* firstChunkSize: 1276,	1✔
40	* stepSize: 4,	1✔
41	* depth: 16	1✔
42	* },	1✔
43	* offset: [1339072.07, 7238866.339, 85.281],	1✔
44	* scale: [0.001, 0.001, 0.002],	1✔
45	* spacing: 24.476062500005355,	1✔
46	* boundingBox: {	1✔
47	* min: [1339072.07, 7238866.339, 85.281],	1✔
48	* max: [1342205.0060000008, 7241999.275, 3218.2170000006854]	1✔
49	* },	1✔
50	* encoding: "BROTLI",	1✔
51	* attributes: [	1✔
52	* {	1✔
53	* name: "position",	1✔
54	* description: "",	1✔
55	* size: 12,	1✔
56	* numElements: 3,	1✔
57	* elementSize: 4,	1✔
58	* type: "int32",	1✔
59	* min: [-0.74821299314498901, -2.7804059982299805, 2.5478212833404541],	1✔
60	* max: [2.4514148223438199, 1.4893437627414672, 7.1957106576508663]	1✔
61	* },	1✔
62	* {	1✔
63	* name: "intensity",	1✔
64	* description: "",	1✔
65	* size: 2,	1✔
66	* numElements: 1,	1✔
67	* elementSize: 2,	1✔
68	* type: "uint16",	1✔
69	* min: [0],	1✔
70	* max: [0]	1✔
71	* },{	1✔
72	* name: "return number",	1✔
73	* description: "",	1✔
74	* size: 1,	1✔
75	* numElements: 1,	1✔
76	* elementSize: 1,	1✔
77	* type: "uint8",	1✔
78	* min: [0],	1✔
79	* max: [0]	1✔
80	* },{	1✔
81	* name: "number of returns",	1✔
82	* description: "",	1✔
83	* size: 1,	1✔
84	* numElements: 1,	1✔
85	* elementSize: 1,	1✔
86	* type: "uint8",	1✔
87	* min: [0],	1✔
88	* max: [0]	1✔
89	* },{	1✔
90	* name: "classification",	1✔
91	* description: "",	1✔
92	* size: 1,	1✔
93	* numElements: 1,	1✔
94	* elementSize: 1,	1✔
95	* type: "uint8",	1✔
96	* min: [0],	1✔
97	* max: [0]	1✔
98	* },{	1✔
99	* name: "scan angle rank",	1✔
100	* description: "",	1✔
101	* size: 1,	1✔
102	* numElements: 1,	1✔
103	* elementSize: 1,	1✔
104	* type: "uint8",	1✔
105	* min: [0],	1✔
106	* max: [0]	1✔
107	* },{	1✔
108	* name: "user data",	1✔
109	* description: "",	1✔
110	* size: 1,	1✔
111	* numElements: 1,	1✔
112	* elementSize: 1,	1✔
113	* type: "uint8",	1✔
114	* min: [0],	1✔
115	* max: [0]	1✔
116	* },{	1✔
117	* name: "point source id",	1✔
118	* description: "",	1✔
119	* size: 2,	1✔
120	* numElements: 1,	1✔
121	* elementSize: 2,	1✔
122	* type: "uint16",	1✔
123	* min: [0],	1✔
124	* max: [0]	1✔
125	* },{	1✔
126	* name: "gps-time",	1✔
127	* description: "",	1✔
128	* size: 8,	1✔
129	* numElements: 1,	1✔
130	* elementSize: 8,	1✔
131	* type: "double",	1✔
132	* min: [0],	1✔
133	* max: [0]	1✔
134	* },{	1✔
135	* name: "rgb",	1✔
136	* description: "",	1✔
137	* size: 6,	1✔
138	* numElements: 3,	1✔
139	* elementSize: 2,	1✔
140	* type: "uint16",	1✔
141	* min: [5632, 5376, 4864],	1✔
142	* max: [65280, 65280, 65280]	1✔
143	* }	1✔
144	* ]	1✔
145	* }	1✔
146	* ```	1✔
147	*	1✔
148	* @extends Source	1✔
149	*/	1✔
150	constructor(source) {	1✔
151	if (!source.file) {	5!
152	throw new Error('New Potree2Source: file is required');	×
153	}	×
154		5✔
155	super(source);	5✔
156	this.file = source.file;	5✔
157	this.fetcher = Fetcher.arrayBuffer;	5✔
158		5✔
159	this.whenReady = (source.metadata ? Promise.resolve(source.metadata) : Fetcher.json(`${this.url}/${this.file}`, this.networkOptions))	5✔
160	.then((metadata) => {	5✔
161	this.metadata = metadata;	5✔
162	this.pointAttributes = metadata.attributes;	5✔
163	this.baseurl = `${this.url}`;	5✔
164	this.extension = 'bin';	5✔
165	this.parser = Potree2BinParser.parse;	5✔
166		5✔
167	return metadata;	5✔
168	});	5✔
169	}	5✔
170	}	1✔
171		1✔
172	export default Potree2Source;	1✔

iTowns / itowns / 10902507646

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