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Named exports from ol/tilegrid

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This commit is contained in:
Tim Schaub
2018-02-09 09:30:16 -07:00
parent 2779fe57ff
commit 9ed3881f34
26 changed files with 126 additions and 128 deletions
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42
src/ol/tilegrid.js
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@@ -9,21 +9,20 @@ import {assign} from './obj.js';
import {get as getProjection, METERS_PER_UNIT} from './proj.js';
import Units from './proj/Units.js';
import TileGrid from './tilegrid/TileGrid.js';
const _ol_tilegrid_ = {};
/**
* @param {ol.proj.Projection} projection Projection.
* @return {!ol.tilegrid.TileGrid} Default tile grid for the passed projection.
*/
_ol_tilegrid_.getForProjection = function(projection) {
export function getForProjection(projection) {
let tileGrid = projection.getDefaultTileGrid();
if (!tileGrid) {
tileGrid = _ol_tilegrid_.createForProjection(projection);
tileGrid = createForProjection(projection);
projection.setDefaultTileGrid(tileGrid);
}
return tileGrid;
};
}
/**
@@ -32,10 +31,10 @@ _ol_tilegrid_.getForProjection = function(projection) {
* @param {ol.proj.Projection} projection Projection.
* @return {ol.TileCoord} Tile coordinate.
*/
_ol_tilegrid_.wrapX = function(tileGrid, tileCoord, projection) {
export function wrapX(tileGrid, tileCoord, projection) {
const z = tileCoord[0];
const center = tileGrid.getTileCoordCenter(tileCoord);
const projectionExtent = _ol_tilegrid_.extentFromProjection(projection);
const projectionExtent = extentFromProjection(projection);
if (!containsCoordinate(projectionExtent, center)) {
const worldWidth = getWidth(projectionExtent);
const worldsAway = Math.ceil((projectionExtent[0] - center[0]) / worldWidth);
@@ -44,7 +43,7 @@ _ol_tilegrid_.wrapX = function(tileGrid, tileCoord, projection) {
} else {
return tileCoord;
}
};
}
/**
@@ -57,10 +56,10 @@ _ol_tilegrid_.wrapX = function(tileGrid, tileCoord, projection) {
* ol.extent.Corner.TOP_LEFT).
* @return {!ol.tilegrid.TileGrid} TileGrid instance.
*/
_ol_tilegrid_.createForExtent = function(extent, opt_maxZoom, opt_tileSize, opt_corner) {
export function createForExtent(extent, opt_maxZoom, opt_tileSize, opt_corner) {
const corner = opt_corner !== undefined ? opt_corner : Corner.TOP_LEFT;
const resolutions = _ol_tilegrid_.resolutionsFromExtent(
const resolutions = resolutionsFromExtent(
extent, opt_maxZoom, opt_tileSize);
return new TileGrid({
@@ -69,7 +68,7 @@ _ol_tilegrid_.createForExtent = function(extent, opt_maxZoom, opt_tileSize, opt_
resolutions: resolutions,
tileSize: opt_tileSize
});
};
}
/**
@@ -78,19 +77,19 @@ _ol_tilegrid_.createForExtent = function(extent, opt_maxZoom, opt_tileSize, opt_
* @return {!ol.tilegrid.TileGrid} Tile grid instance.
* @api
*/
_ol_tilegrid_.createXYZ = function(opt_options) {
export function createXYZ(opt_options) {
const options = /** @type {olx.tilegrid.TileGridOptions} */ ({});
assign(options, opt_options !== undefined ?
opt_options : /** @type {olx.tilegrid.XYZOptions} */ ({}));
if (options.extent === undefined) {
options.extent = getProjection('EPSG:3857').getExtent();
}
options.resolutions = _ol_tilegrid_.resolutionsFromExtent(
options.resolutions = resolutionsFromExtent(
options.extent, options.maxZoom, options.tileSize);
delete options.maxZoom;
return new TileGrid(options);
};
}
/**
@@ -102,7 +101,7 @@ _ol_tilegrid_.createXYZ = function(opt_options) {
* DEFAULT_TILE_SIZE).
* @return {!Array.<number>} Resolutions array.
*/
_ol_tilegrid_.resolutionsFromExtent = function(extent, opt_maxZoom, opt_tileSize) {
function resolutionsFromExtent(extent, opt_maxZoom, opt_tileSize) {
const maxZoom = opt_maxZoom !== undefined ?
opt_maxZoom : DEFAULT_MAX_ZOOM;
@@ -120,7 +119,7 @@ _ol_tilegrid_.resolutionsFromExtent = function(extent, opt_maxZoom, opt_tileSize
resolutions[z] = maxResolution / Math.pow(2, z);
}
return resolutions;
};
}
/**
@@ -133,11 +132,11 @@ _ol_tilegrid_.resolutionsFromExtent = function(extent, opt_maxZoom, opt_tileSize
* ol.extent.Corner.BOTTOM_LEFT).
* @return {!ol.tilegrid.TileGrid} TileGrid instance.
*/
_ol_tilegrid_.createForProjection = function(projection, opt_maxZoom, opt_tileSize, opt_corner) {
const extent = _ol_tilegrid_.extentFromProjection(projection);
return _ol_tilegrid_.createForExtent(
export function createForProjection(projection, opt_maxZoom, opt_tileSize, opt_corner) {
const extent = extentFromProjection(projection);
return createForExtent(
extent, opt_maxZoom, opt_tileSize, opt_corner);
};
}
/**
@@ -146,7 +145,7 @@ _ol_tilegrid_.createForProjection = function(projection, opt_maxZoom, opt_tileSi
* @param {ol.ProjectionLike} projection Projection.
* @return {ol.Extent} Extent.
*/
_ol_tilegrid_.extentFromProjection = function(projection) {
export function extentFromProjection(projection) {
projection = getProjection(projection);
let extent = projection.getExtent();
if (!extent) {
@@ -155,5 +154,4 @@ _ol_tilegrid_.extentFromProjection = function(projection) {
extent = createOrUpdate(-half, -half, half, half);
}
return extent;
};
export default _ol_tilegrid_;
}