9649841056

Committed 24 Jun 2024 05:33PM UTC coverage: 89.754% (+0.1%) from 89.614%

Build # 9649841056

Build Type

Pull #2137

github

Committed by

web-flow

Commit Message

Merge 71a1097ac into 58fc8bb38

Pull Request Pull Request #2137: feature: Add potree 2.0 parser

Run Details

2822 of 3719 branches covered (75.88%)

Branch coverage included in aggregate %.

1319 of 1413 new or added lines in 11 files covered. (93.35%)

1 existing line in 1 file now uncovered.

24613 of 26848 relevant lines covered (91.68%)

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90.77

/src/Parser/LASParser.js

import * as THREE from 'three';
import LASLoader from 'Loader/LASLoader';

const lasLoader = new LASLoader();

function buildBufferGeometry(attributes) {
    const geometry = new THREE.BufferGeometry();

    const positionBuffer = new THREE.BufferAttribute(attributes.position, 3);
    geometry.setAttribute('position', positionBuffer);

    const intensityBuffer = new THREE.BufferAttribute(attributes.intensity, 1);
    geometry.setAttribute('intensity', intensityBuffer);

    const returnNumber = new THREE.BufferAttribute(attributes.returnNumber, 1);
    geometry.setAttribute('returnNumber', returnNumber);

    const numberOfReturns = new THREE.BufferAttribute(attributes.numberOfReturns, 1);
    geometry.setAttribute('numberOfReturns', numberOfReturns);

    const classBuffer = new THREE.BufferAttribute(attributes.classification, 1);
    geometry.setAttribute('classification', classBuffer);

    const pointSourceID = new THREE.BufferAttribute(attributes.pointSourceID, 1);
    geometry.setAttribute('pointSourceID', pointSourceID);

    if (attributes.color) {
        const colorBuffer = new THREE.BufferAttribute(attributes.color, 4, true);
        geometry.setAttribute('color', colorBuffer);
    }
    const scanAngle = new THREE.BufferAttribute(attributes.scanAngle, 1);
    geometry.setAttribute('scanAngle', scanAngle);

    geometry.userData.origin = new THREE.Vector3().fromArray(attributes.origin);

    return geometry;
}

/** The LASParser module provides a [parse]{@link
 * module:LASParser.parse} method that takes a LAS or LAZ (LASZip) file in, and
 * gives a `THREE.BufferGeometry` containing all the necessary attributes to be
 * displayed in iTowns. It uses the
 * [copc.js](https://github.com/connormanning/copc.js/) library.
 *
 * @module LASParser
 */
export default {
    /*
     * Set the laz-perf decoder path.
     * @param {string} path - path to `laz-perf.wasm` folder.
     */
    enableLazPerf(path) {
        if (!path) {
            throw new Error('Path to laz-perf is mandatory');
        }
        lasLoader.lazPerf = path;
    },


    /**
     * Parses a chunk of a LAS or LAZ (LASZip) and returns the corresponding
     * `THREE.BufferGeometry`.
     *
     * @param {ArrayBuffer} data - The file content to parse.
     * @param {Object} options
     * @param {Object} options.in - Options to give to the parser.
     * @param {number} options.in.pointCount - Number of points encoded in this
     * data chunk.
     * @param {Object} options.in.header - Partial LAS file header.
     * @param {number} options.in.header.pointDataRecordFormat - Type of Point
     * Data Record contained in the LAS file.
     * @param {number} options.in.header.pointDataRecordLength - Size (in bytes)
     * of the Point Data Record.
     * @param {Object} [options.eb] - Extra bytes LAS VLRs headers.
     * @param { 8 | 16 } [options.in.colorDepth] - Color depth (in bits).
     * Defaults to 8 bits for LAS 1.2 and 16 bits for later versions
     * (as mandatory by the specification)
     *
     * @return {Promise<THREE.BufferGeometry>} A promise resolving with a
     * `THREE.BufferGeometry`.
     */
    parseChunk(data, options = {}) {
        return lasLoader.parseChunk(data, options.in).then((parsedData) => {
            const geometry = buildBufferGeometry(parsedData.attributes);
            geometry.computeBoundingBox();
            return geometry;
        });
    },

    /**
     * Parses a LAS file or a LAZ (LASZip) file and return the corresponding
     * `THREE.BufferGeometry`.
     *
     * @param {ArrayBuffer} data - The file content to parse.
     * @param {Object} [options]
     * @param {Object} [options.in] - Options to give to the parser.
     * @param { 8 | 16 } [options.in.colorDepth] - Color depth (in bits).
     * Defaults to 8 bits for LAS 1.2 and 16 bits for later versions
     * (as mandatory by the specification)
     *
     * @return {Promise} A promise resolving with a `THREE.BufferGeometry`. The
     * header of the file is contained in `userData`.
     */
    parse(data, options = {}) {
        if (options.out?.skip) {
            console.warn("Warning: options 'skip' not supported anymore");
        }
        return lasLoader.parseFile(data, {
            colorDepth: options.in?.colorDepth,
        }).then((parsedData) => {
            const geometry = buildBufferGeometry(parsedData.attributes);
            geometry.userData.header = parsedData.header;
            geometry.computeBoundingBox();
            return geometry;
        });
    },
};

1	import * as THREE from 'three';	1✔
2	import LASLoader from 'Loader/LASLoader';	1✔
3		1✔
4	const lasLoader = new LASLoader();	1✔
5		1✔
6	function buildBufferGeometry(attributes) {	1✔
7	const geometry = new THREE.BufferGeometry();	2✔
8		2✔
9	const positionBuffer = new THREE.BufferAttribute(attributes.position, 3);	2✔
10	geometry.setAttribute('position', positionBuffer);	2✔
11		2✔
12	const intensityBuffer = new THREE.BufferAttribute(attributes.intensity, 1);	2✔
13	geometry.setAttribute('intensity', intensityBuffer);	2✔
14		2✔
15	const returnNumber = new THREE.BufferAttribute(attributes.returnNumber, 1);	2✔
16	geometry.setAttribute('returnNumber', returnNumber);	2✔
17		2✔
18	const numberOfReturns = new THREE.BufferAttribute(attributes.numberOfReturns, 1);	2✔
19	geometry.setAttribute('numberOfReturns', numberOfReturns);	2✔
20		2✔
21	const classBuffer = new THREE.BufferAttribute(attributes.classification, 1);	2✔
22	geometry.setAttribute('classification', classBuffer);	2✔
23		2✔
24	const pointSourceID = new THREE.BufferAttribute(attributes.pointSourceID, 1);	2✔
25	geometry.setAttribute('pointSourceID', pointSourceID);	2✔
26		1✔
27	if (attributes.color) {	1✔
28	const colorBuffer = new THREE.BufferAttribute(attributes.color, 4, true);	1✔
29	geometry.setAttribute('color', colorBuffer);	2✔
30	}	2✔
31	const scanAngle = new THREE.BufferAttribute(attributes.scanAngle, 1);	2✔
32	geometry.setAttribute('scanAngle', scanAngle);	2✔
33		2✔
34	geometry.userData.origin = new THREE.Vector3().fromArray(attributes.origin);	1✔
35		1✔
36	return geometry;	1✔
37	}	1✔
38		1✔
39	/** The LASParser module provides a [parse]{@link	1✔
40	* module:LASParser.parse} method that takes a LAS or LAZ (LASZip) file in, and	1✔
41	* gives a `THREE.BufferGeometry` containing all the necessary attributes to be	1✔
42	* displayed in iTowns. It uses the	1✔
43	* [copc.js](https://github.com/connormanning/copc.js/) library.	1✔
44	*	1✔
45	* @module LASParser	1✔
46	*/	1✔
47	export default {	1✔
48	/*	1✔
49	* Set the laz-perf decoder path.	1✔
50	* @param {string} path - path to `laz-perf.wasm` folder.	1!
51	*/	×
52	enableLazPerf(path) {	×
53	if (!path) {	1✔
54	throw new Error('Path to laz-perf is mandatory');	1✔
55	}	1✔
56	lasLoader.lazPerf = path;	1✔
57	},	1✔
58		1✔
59		1✔
60	/**	1✔
61	* Parses a chunk of a LAS or LAZ (LASZip) and returns the corresponding	1✔
62	* `THREE.BufferGeometry`.	1✔
63	*	1✔
64	* @param {ArrayBuffer} data - The file content to parse.	1✔
65	* @param {Object} options	1✔
66	* @param {Object} options.in - Options to give to the parser.	1✔
67	* @param {number} options.in.pointCount - Number of points encoded in this	1✔
68	* data chunk.	1✔
69	* @param {Object} options.in.header - Partial LAS file header.	1✔
70	* @param {number} options.in.header.pointDataRecordFormat - Type of Point	1✔
71	* Data Record contained in the LAS file.	1✔
72	* @param {number} options.in.header.pointDataRecordLength - Size (in bytes)	1✔
73	* of the Point Data Record.	1✔
74	* @param {Object} [options.eb] - Extra bytes LAS VLRs headers.	1✔
75	* @param { 8 \| 16 } [options.in.colorDepth] - Color depth (in bits).	1✔
76	* Defaults to 8 bits for LAS 1.2 and 16 bits for later versions	1✔
77	* (as mandatory by the specification)	1✔
78	*	×
79	* @return {Promise<THREE.BufferGeometry>} A promise resolving with a	×
80	* `THREE.BufferGeometry`.	×
81	*/	×
82	parseChunk(data, options = {}) {	×
83	return lasLoader.parseChunk(data, options.in).then((parsedData) => {	×
UNCOV 84	const geometry = buildBufferGeometry(parsedData.attributes);	×
85	geometry.computeBoundingBox();	1✔
86	return geometry;	1✔
87	});	1✔
88	},	1✔
89		1✔
90	/**	1✔
91	* Parses a LAS file or a LAZ (LASZip) file and return the corresponding	1✔
92	* `THREE.BufferGeometry`.	1✔
93	*	1✔
94	* @param {ArrayBuffer} data - The file content to parse.	1✔
95	* @param {Object} [options]	1✔
96	* @param {Object} [options.in] - Options to give to the parser.	1✔
97	* @param { 8 \| 16 } [options.in.colorDepth] - Color depth (in bits).	1✔
98	* Defaults to 8 bits for LAS 1.2 and 16 bits for later versions	1✔
99	* (as mandatory by the specification)	1✔
100	*	1✔
101	* @return {Promise} A promise resolving with a `THREE.BufferGeometry`. The	1✔
102	* header of the file is contained in `userData`.	3✔
103	*/	3✔
104	parse(data, options = {}) {	3!
105	if (options.out?.skip) {	×
106	console.warn("Warning: options 'skip' not supported anymore");	3✔
107	}	3✔
108	return lasLoader.parseFile(data, {	3✔
109	colorDepth: options.in?.colorDepth,	2✔
110	}).then((parsedData) => {	2✔
111	const geometry = buildBufferGeometry(parsedData.attributes);	2✔
112	geometry.userData.header = parsedData.header;	1✔
113	geometry.computeBoundingBox();	1✔
114	return geometry;	1✔
115	});	1✔
116	},	1✔
117	};	1✔

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