tchen-vuelayers/src/ol-ext/consts.js

Web map Vue components with the power of OpenLayers

export const EPSG_4326 = 'EPSG:4326'
export const EPSG_3857 = 'EPSG:3857'
/**
 * @type {number} Default map max zoom
 */
export const MAX_ZOOM = 28
/**
 * @type {number} Default map min zoom
 */
export const MIN_ZOOM = 0
/**
 * @type {number} Default tile size
 */
export const TILE_SIZE = 256
/**
 * @type {string}
 */
export const TILE_FORMAT = 'png'
/**
 * @type {number} Default zoom factor
 */
export const ZOOM_FACTOR = 2
/**
 * @type {number}
 */
export const CACHE_SIZE = 2048
/**
 * @type {number}
 */
export const PIXEL_RATIO = 1
/**
 * @type {string}
 */
export const CROSS_ORIGIN = 'anonymous'
/**
 * @type {number}
 */
export const REPROJ_ERR_THRESHOLD = 0.5
/**
 * @type {number} Earth radius in meters
 */
export const EARTH_RADIUS = 6378137

export const RENDERER_TYPE = {
  CANVAS: 'canvas',
  WEBGL: 'webgl',
}

export const GEOMETRY_TYPE = {
  POINT: 'Point',
  LINE_STRING: 'LineString',
  POLYGON: 'Polygon',
  MULTI_POINT: 'MultiPoint',
  MULTI_LINE_STRING: 'MultiLineString',
  MULTI_POLYGON: 'MultiPolygon',
  GEOMETRY_COLLECTION: 'GeometryCollection',
  CIRCLE: 'Circle',
}

export const EXTENT_CORNER = {
  BOTTOM_LEFT: 'bottom-left',
  BOTTOM_RIGHT: 'bottom-right',
  TOP_LEFT: 'top-left',
  TOP_RIGHT: 'top-right',
}

export const PROJ_UNIT = {
  DEGREES: 'degrees',
  FEET: 'ft',
  METERS: 'm',
  PIXELS: 'pixels',
  TILE_PIXELS: 'tile-pixels',
  USFEET: 'us-ft',
}

export const OVERLAY_POSITIONING = {
  BOTTOM_LEFT: 'bottom-left',
  BOTTOM_CENTER: 'bottom-center',
  BOTTOM_RIGHT: 'bottom-right',
  CENTER_LEFT: 'center-left',
  CENTER_CENTER: 'center-center',
  CENTER_RIGHT: 'center-right',
  TOP_LEFT: 'top-left',
  TOP_CENTER: 'top-center',
  TOP_RIGHT: 'top-right',
}

/**
 * @type {string} Default WMS version
 */
export const WMS_VERSION = '1.3.0'

export const WMTS_VERSION = '1.0.0'
export const WMTS_REQUEST_ENCODING = 'KVP'
export const WMTS_FORMAT = 'image/jpeg'
export const LAYER_PROP = 'layer'