@deck.gl/core/dist/lib/constants.js

deck.gl core library

// deck.gl
// SPDX-License-Identifier: MIT
// Copyright (c) vis.gl contributors
// Note: The numeric values here are matched by shader code in the
// "project" and "project64" shader modules. Both places need to be
// updated.
import log from "../utils/log.js";
import { Pan, InputDirection, Pinch, Tap } from 'mjolnir.js';
/**
 * The coordinate system that positions/dimensions are defined in.
 */
export const COORDINATE_SYSTEM = {
    /**
     * `LNGLAT` if rendering into a geospatial viewport, `CARTESIAN` otherwise
     */
    DEFAULT: -1,
    /**
     * Positions are interpreted as [longitude, latitude, elevation]
     * longitude/latitude are in degrees, elevation is in meters.
     * Dimensions are in meters.
     */
    LNGLAT: 1,
    /**
     * Positions are interpreted as [x, y, z] in meter offsets from the coordinate origin.
     * Dimensions are in meters.
     */
    METER_OFFSETS: 2,
    /**
     * Positions are interpreted as [deltaLng, deltaLat, elevation] from the coordinate origin.
     * deltaLng/deltaLat are in degrees, elevation is in meters.
     * Dimensions are in meters.
     */
    LNGLAT_OFFSETS: 3,
    /**
     * Positions and dimensions are in the common units of the viewport.
     */
    CARTESIAN: 0
};
// Deprecated
/* eslint-disable accessor-pairs */
Object.defineProperty(COORDINATE_SYSTEM, 'IDENTITY', {
    get: () => {
        log.deprecated('COORDINATE_SYSTEM.IDENTITY', 'COORDINATE_SYSTEM.CARTESIAN')();
        return 0;
    }
});
/* eslint-enable accessor-pairs */
/**
 * How coordinates are transformed from the world space into the common space.
 */
export const PROJECTION_MODE = {
    /**
     * Render geospatial data in Web Mercator projection
     */
    WEB_MERCATOR: 1,
    /**
     * Render geospatial data as a 3D globe
     */
    GLOBE: 2,
    /**
     * (Internal use only) Web Mercator projection at high zoom
     */
    WEB_MERCATOR_AUTO_OFFSET: 4,
    /**
     * No transformation
     */
    IDENTITY: 0
};
export const UNIT = {
    common: 0,
    meters: 1,
    pixels: 2
};
export const EVENT_HANDLERS = {
    click: 'onClick',
    dblclick: 'onClick',
    panstart: 'onDragStart',
    panmove: 'onDrag',
    panend: 'onDragEnd'
};
export const RECOGNIZERS = {
    multipan: [Pan, { threshold: 10, direction: InputDirection.Vertical, pointers: 2 }],
    pinch: [Pinch, {}, null, ['multipan']],
    pan: [Pan, { threshold: 1 }, ['pinch'], ['multipan']],
    dblclick: [Tap, { event: 'dblclick', taps: 2 }],
    click: [Tap, { event: 'click' }, null, ['dblclick']]
};
/**
 * @deprecated Use string constants directly
 */
export const OPERATION = {
    DRAW: 'draw',
    MASK: 'mask',
    TERRAIN: 'terrain'
};
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