22143419643

Committed 18 Feb 2026 02:18PM UTC coverage: 88.048% (+0.02%) from 88.025%

Build # 22143419643

Build Type

Pull #2691

github

Committed by

web-flow

Commit Message

Merge 6ee277ea4 into bbdd27d9e

Pull Request Pull Request #2691: Shadows

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/packages/Main/src/Source/EntwinePointTileSource.ts

import { CRS } from '@itowns/geographic';
import LASParser from 'Parser/LASParser';
import PotreeBinParser from 'Parser/PotreeBinParser';
import Fetcher from 'Provider/Fetcher';
import Source from 'Source/Source';

/**
 * @param colorDepth - Color depth (in bits).
 * Either 8 or 16 bits. By defaults it will be set to 8 bits for LAS 1.2 and
 * 16 bits for later versions (as mandatory by the specification).
 */
interface EntwinePointTileSourceParameters {
    /** he URL of the directory containing the whole
     * Entwine Point Tile structure. */
    url: string;
    crs: string;
    colorDepth: number;
    networkOptions?: RequestInit;
}

interface EntwinePointTileMetadata {
    bounds: [number, number, number, number, number, number];
    boundsConforming: [number, number, number, number, number, number];
    span: number;
    dataType: 'laszip' | 'bin';
    srs: {
        authority?: string;
        horizontal?: string;
        vertical?: string;
        wkt: string;
    };
}

/**
 * An object defining the source of Entwine Point Tile data. It fetches and
 * parses the main configuration file of Entwine Point Tile format,
 * [`ept.json`](https://entwine.io/entwine-point-tile.html#ept-json).
 */
class EntwinePointTileSource extends Source {
    /** Used to checkout whether this source is a EntwinePointTileSource.
     * Default is true. You should not change this,
     * as it is used internally for optimisation. */
    readonly isEntwinePointTileSource: true;
    colorDepth: number;

    // Properties initialized after fetching ept.json file
    boundsConforming!: [number, number, number, number, number, number];
    bounds!: [number, number, number, number, number, number];
    span!: number;
    zmin!: number;
    zmax!: number;
    spacing!: number;
    extension!: 'laz' | 'bin';

    /**
     * @param config - The configuration, see {@link Source} for
     * available values.
     */
    constructor(config: EntwinePointTileSourceParameters) {
        super(config);

        this.isEntwinePointTileSource = true;
        this.colorDepth = config.colorDepth;

        this.fetcher = Fetcher.arrayBuffer;

        // Necessary because we use the url without the ept.json part as a base
        this.url = this.url.replace('/ept.json', '');

        const jsonPromise = Fetcher
            .json(`${this.url}/ept.json`, this.networkOptions) as Promise<EntwinePointTileMetadata>;
        // https://entwine.io/entwine-point-tile.html#ept-json
        this.whenReady = jsonPromise.then((metadata) => {
            this.boundsConforming = metadata.boundsConforming;
            this.bounds = metadata.bounds;// xMin, yMin, zMin, xMax, yMax, zMax
            this.span = metadata.span;

            this.zmin = this.boundsConforming[2];
            this.zmax = this.boundsConforming[5];

            // NOTE: this spacing is kinda arbitrary here, we take the width and
            // length (height can be ignored), and we divide by the specified
            // span in ept.json. This needs improvements.
            this.spacing = (Math.abs(this.bounds[3] - this.bounds[0])
                + Math.abs(this.bounds[4] - this.bounds[1])) / (2 * this.span);

            // Set parser and its configuration from schema
            this.parser = metadata.dataType === 'laszip' ? LASParser.parse : PotreeBinParser.parse;
            this.extension = metadata.dataType === 'laszip' ? 'laz' : 'bin';

            if (metadata.srs) {
                if (metadata.srs.authority && metadata.srs.horizontal) {
                    this.crs = `${metadata.srs.authority}:${metadata.srs.horizontal}`;
                    if (!CRS.defs(this.crs)) {
                        CRS.defs(this.crs, metadata.srs.wkt);
                    }
                } else if (metadata.srs.wkt) {
                    this.crs = CRS.defsFromWkt(metadata.srs.wkt);
                }
                if (metadata.srs.vertical && metadata.srs.vertical !== metadata.srs.horizontal) {
                    console.warn('EntwinePointTileSource:' +
                        'Vertical coordinates system code is not yet supported.');
                }
            }

            return this;
        });
    }
}

export default EntwinePointTileSource;

1	import { CRS } from '@itowns/geographic';	1✔
2	import LASParser from 'Parser/LASParser';	1✔
3	import PotreeBinParser from 'Parser/PotreeBinParser';	1✔
4	import Fetcher from 'Provider/Fetcher';	1✔
5	import Source from 'Source/Source';	1✔
6		1✔
7	/**	1✔
8	* @param colorDepth - Color depth (in bits).	1✔
9	* Either 8 or 16 bits. By defaults it will be set to 8 bits for LAS 1.2 and	1✔
10	* 16 bits for later versions (as mandatory by the specification).	1✔
11	*/	1✔
12	interface EntwinePointTileSourceParameters {	1✔
13	/** he URL of the directory containing the whole	1✔
14	* Entwine Point Tile structure. */	1✔
15	url: string;	1✔
16	crs: string;	1✔
17	colorDepth: number;	1✔
18	networkOptions?: RequestInit;	1✔
19	}	1✔
20		1✔
21	interface EntwinePointTileMetadata {	1✔
22	bounds: [number, number, number, number, number, number];	1✔
23	boundsConforming: [number, number, number, number, number, number];	1✔
24	span: number;	1✔
25	dataType: 'laszip' \| 'bin';	1✔
26	srs: {	1✔
27	authority?: string;	1✔
28	horizontal?: string;	1✔
29	vertical?: string;	1✔
30	wkt: string;	1✔
31	};	1✔
32	}	1✔
33		1✔
34	/**	1✔
35	* An object defining the source of Entwine Point Tile data. It fetches and	1✔
36	* parses the main configuration file of Entwine Point Tile format,	1✔
37	* [`ept.json`](https://entwine.io/entwine-point-tile.html#ept-json).	1✔
38	*/	1✔
39	class EntwinePointTileSource extends Source {	1✔
40	/** Used to checkout whether this source is a EntwinePointTileSource.	1✔
41	* Default is true. You should not change this,	1✔
42	* as it is used internally for optimisation. */	1✔
43	readonly isEntwinePointTileSource: true;	1✔
44	colorDepth: number;	1✔
45		1✔
46	// Properties initialized after fetching ept.json file	1✔
47	boundsConforming!: [number, number, number, number, number, number];	1✔
48	bounds!: [number, number, number, number, number, number];	1✔
49	span!: number;	1✔
50	zmin!: number;	1✔
51	zmax!: number;	1✔
52	spacing!: number;	1✔
53	extension!: 'laz' \| 'bin';	1✔
54		1✔
55	/**	1✔
56	* @param config - The configuration, see {@link Source} for	1✔
57	* available values.	1✔
58	*/	1✔
59	constructor(config: EntwinePointTileSourceParameters) {	1✔
60	super(config);	4✔
61		4✔
62	this.isEntwinePointTileSource = true;	4✔
63	this.colorDepth = config.colorDepth;	4✔
64		4✔
65	this.fetcher = Fetcher.arrayBuffer;	4✔
66		4✔
67	// Necessary because we use the url without the ept.json part as a base	4✔
68	this.url = this.url.replace('/ept.json', '');	4✔
69		4✔
70	const jsonPromise = Fetcher	4✔
71	.json(`${this.url}/ept.json`, this.networkOptions) as Promise<EntwinePointTileMetadata>;	4✔
72	// https://entwine.io/entwine-point-tile.html#ept-json	4✔
73	this.whenReady = jsonPromise.then((metadata) => {	4✔
74	this.boundsConforming = metadata.boundsConforming;	4✔
75	this.bounds = metadata.bounds;// xMin, yMin, zMin, xMax, yMax, zMax	4✔
76	this.span = metadata.span;	4✔
77		4✔
78	this.zmin = this.boundsConforming[2];	4✔
79	this.zmax = this.boundsConforming[5];	4✔
80		4✔
81	// NOTE: this spacing is kinda arbitrary here, we take the width and	4✔
82	// length (height can be ignored), and we divide by the specified	4✔
83	// span in ept.json. This needs improvements.	4✔
84	this.spacing = (Math.abs(this.bounds[3] - this.bounds[0])	4✔
85	+ Math.abs(this.bounds[4] - this.bounds[1])) / (2 * this.span);	4✔
86		4✔
87	// Set parser and its configuration from schema	4✔
88	this.parser = metadata.dataType === 'laszip' ? LASParser.parse : PotreeBinParser.parse;	4!
89	this.extension = metadata.dataType === 'laszip' ? 'laz' : 'bin';	4!
90		4✔
91	if (metadata.srs) {	4✔
92	if (metadata.srs.authority && metadata.srs.horizontal) {	4✔
93	this.crs = `${metadata.srs.authority}:${metadata.srs.horizontal}`;	3✔
94	if (!CRS.defs(this.crs)) {	3!
UNCOV 95	CRS.defs(this.crs, metadata.srs.wkt);	×
UNCOV 96	}	×
97	} else if (metadata.srs.wkt) {	4✔
98	this.crs = CRS.defsFromWkt(metadata.srs.wkt);	1✔
99	}	1✔
100	if (metadata.srs.vertical && metadata.srs.vertical !== metadata.srs.horizontal) {	4✔
101	console.warn('EntwinePointTileSource:' +	3✔
102	'Vertical coordinates system code is not yet supported.');	3✔
103	}	3✔
104	}	4✔
105		4✔
106	return this;	4✔
107	});	4✔
108	}	4✔
109	}	1✔
110		1✔
111	export default EntwinePointTileSource;	1✔

iTowns / itowns / 22143419643

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