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This commit is contained in:
Tim Schaub
2017-12-11 16:29:33 -07:00
parent 1cdb6a66f0
commit 7f47883c48
737 changed files with 22216 additions and 21609 deletions
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src/ol/proj.js
+98 -95
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@@ -1,16 +1,18 @@
goog.provide('ol.proj');
goog.require('ol');
goog.require('ol.Sphere');
goog.require('ol.extent');
goog.require('ol.math');
goog.require('ol.proj.EPSG3857');
goog.require('ol.proj.EPSG4326');
goog.require('ol.proj.Projection');
goog.require('ol.proj.Units');
goog.require('ol.proj.proj4');
goog.require('ol.proj.projections');
goog.require('ol.proj.transforms');
/**
* @module ol/proj
*/
import _ol_ from './index.js';
import _ol_Sphere_ from './Sphere.js';
import _ol_extent_ from './extent.js';
import _ol_math_ from './math.js';
import _ol_proj_EPSG3857_ from './proj/EPSG3857.js';
import _ol_proj_EPSG4326_ from './proj/EPSG4326.js';
import _ol_proj_Projection_ from './proj/Projection.js';
import _ol_proj_Units_ from './proj/Units.js';
import _ol_proj_proj4_ from './proj/proj4.js';
import _ol_proj_projections_ from './proj/projections.js';
import _ol_proj_transforms_ from './proj/transforms.js';
var _ol_proj_ = {};
/**
@@ -19,7 +21,7 @@ goog.require('ol.proj.transforms');
* @type {Object.<ol.proj.Units, number>}
* @api
*/
ol.proj.METERS_PER_UNIT = ol.proj.Units.METERS_PER_UNIT;
_ol_proj_.METERS_PER_UNIT = _ol_proj_Units_.METERS_PER_UNIT;
/**
@@ -27,10 +29,10 @@ ol.proj.METERS_PER_UNIT = ol.proj.Units.METERS_PER_UNIT;
* @private
* @type {ol.Sphere}
*/
ol.proj.SPHERE_ = new ol.Sphere(ol.Sphere.DEFAULT_RADIUS);
_ol_proj_.SPHERE_ = new _ol_Sphere_(_ol_Sphere_.DEFAULT_RADIUS);
if (ol.ENABLE_PROJ4JS) {
if (_ol_.ENABLE_PROJ4JS) {
/**
* Register proj4. If not explicitly registered, it will be assumed that
* proj4js will be loaded in the global namespace. For example in a
@@ -43,8 +45,8 @@ if (ol.ENABLE_PROJ4JS) {
* @param {Proj4} proj4 Proj4.
* @api
*/
ol.proj.setProj4 = function(proj4) {
ol.proj.proj4.set(proj4);
_ol_proj_.setProj4 = function(proj4) {
_ol_proj_proj4_.set(proj4);
};
}
@@ -69,21 +71,21 @@ if (ol.ENABLE_PROJ4JS) {
* @return {number} Point resolution.
* @api
*/
ol.proj.getPointResolution = function(projection, resolution, point, opt_units) {
projection = ol.proj.get(projection);
_ol_proj_.getPointResolution = function(projection, resolution, point, opt_units) {
projection = _ol_proj_.get(projection);
var pointResolution;
var getter = projection.getPointResolutionFunc();
if (getter) {
pointResolution = getter(resolution, point);
} else {
var units = projection.getUnits();
if (units == ol.proj.Units.DEGREES && !opt_units || opt_units == ol.proj.Units.DEGREES) {
if (units == _ol_proj_Units_.DEGREES && !opt_units || opt_units == _ol_proj_Units_.DEGREES) {
pointResolution = resolution;
} else {
// Estimate point resolution by transforming the center pixel to EPSG:4326,
// measuring its width and height on the normal sphere, and taking the
// average of the width and height.
var toEPSG4326 = ol.proj.getTransformFromProjections(projection, ol.proj.get('EPSG:4326'));
var toEPSG4326 = _ol_proj_.getTransformFromProjections(projection, _ol_proj_.get('EPSG:4326'));
var vertices = [
point[0] - resolution / 2, point[1],
point[0] + resolution / 2, point[1],
@@ -91,13 +93,13 @@ ol.proj.getPointResolution = function(projection, resolution, point, opt_units)
point[0], point[1] + resolution / 2
];
vertices = toEPSG4326(vertices, vertices, 2);
var width = ol.proj.SPHERE_.haversineDistance(
var width = _ol_proj_.SPHERE_.haversineDistance(
vertices.slice(0, 2), vertices.slice(2, 4));
var height = ol.proj.SPHERE_.haversineDistance(
var height = _ol_proj_.SPHERE_.haversineDistance(
vertices.slice(4, 6), vertices.slice(6, 8));
pointResolution = (width + height) / 2;
var metersPerUnit = opt_units ?
ol.proj.Units.METERS_PER_UNIT[opt_units] :
_ol_proj_Units_.METERS_PER_UNIT[opt_units] :
projection.getMetersPerUnit();
if (metersPerUnit !== undefined) {
pointResolution /= metersPerUnit;
@@ -115,12 +117,12 @@ ol.proj.getPointResolution = function(projection, resolution, point, opt_units)
* @param {Array.<ol.proj.Projection>} projections Projections.
* @api
*/
ol.proj.addEquivalentProjections = function(projections) {
ol.proj.addProjections(projections);
_ol_proj_.addEquivalentProjections = function(projections) {
_ol_proj_.addProjections(projections);
projections.forEach(function(source) {
projections.forEach(function(destination) {
if (source !== destination) {
ol.proj.transforms.add(source, destination, ol.proj.cloneTransform);
_ol_proj_transforms_.add(source, destination, _ol_proj_.cloneTransform);
}
});
});
@@ -140,11 +142,11 @@ ol.proj.addEquivalentProjections = function(projections) {
* @param {ol.TransformFunction} inverseTransform Transform from any projection
* in projection2 to any projection in projection1..
*/
ol.proj.addEquivalentTransforms = function(projections1, projections2, forwardTransform, inverseTransform) {
_ol_proj_.addEquivalentTransforms = function(projections1, projections2, forwardTransform, inverseTransform) {
projections1.forEach(function(projection1) {
projections2.forEach(function(projection2) {
ol.proj.transforms.add(projection1, projection2, forwardTransform);
ol.proj.transforms.add(projection2, projection1, inverseTransform);
_ol_proj_transforms_.add(projection1, projection2, forwardTransform);
_ol_proj_transforms_.add(projection2, projection1, inverseTransform);
});
});
};
@@ -157,26 +159,26 @@ ol.proj.addEquivalentTransforms = function(projections1, projections2, forwardTr
* @param {ol.proj.Projection} projection Projection instance.
* @api
*/
ol.proj.addProjection = function(projection) {
ol.proj.projections.add(projection.getCode(), projection);
ol.proj.transforms.add(projection, projection, ol.proj.cloneTransform);
_ol_proj_.addProjection = function(projection) {
_ol_proj_projections_.add(projection.getCode(), projection);
_ol_proj_transforms_.add(projection, projection, _ol_proj_.cloneTransform);
};
/**
* @param {Array.<ol.proj.Projection>} projections Projections.
*/
ol.proj.addProjections = function(projections) {
projections.forEach(ol.proj.addProjection);
_ol_proj_.addProjections = function(projections) {
projections.forEach(_ol_proj_.addProjection);
};
/**
* Clear all cached projections and transforms.
*/
ol.proj.clearAllProjections = function() {
ol.proj.projections.clear();
ol.proj.transforms.clear();
_ol_proj_.clearAllProjections = function() {
_ol_proj_projections_.clear();
_ol_proj_transforms_.clear();
};
@@ -185,11 +187,11 @@ ol.proj.clearAllProjections = function() {
* @param {string} defaultCode Default code.
* @return {ol.proj.Projection} Projection.
*/
ol.proj.createProjection = function(projection, defaultCode) {
_ol_proj_.createProjection = function(projection, defaultCode) {
if (!projection) {
return ol.proj.get(defaultCode);
return _ol_proj_.get(defaultCode);
} else if (typeof projection === 'string') {
return ol.proj.get(projection);
return _ol_proj_.get(projection);
} else {
return /** @type {ol.proj.Projection} */ (projection);
}
@@ -215,13 +217,13 @@ ol.proj.createProjection = function(projection, defaultCode) {
* the transformed {@link ol.Coordinate}.
* @api
*/
ol.proj.addCoordinateTransforms = function(source, destination, forward, inverse) {
var sourceProj = ol.proj.get(source);
var destProj = ol.proj.get(destination);
ol.proj.transforms.add(sourceProj, destProj,
ol.proj.createTransformFromCoordinateTransform(forward));
ol.proj.transforms.add(destProj, sourceProj,
ol.proj.createTransformFromCoordinateTransform(inverse));
_ol_proj_.addCoordinateTransforms = function(source, destination, forward, inverse) {
var sourceProj = _ol_proj_.get(source);
var destProj = _ol_proj_.get(destination);
_ol_proj_transforms_.add(sourceProj, destProj,
_ol_proj_.createTransformFromCoordinateTransform(forward));
_ol_proj_transforms_.add(destProj, sourceProj,
_ol_proj_.createTransformFromCoordinateTransform(inverse));
};
@@ -232,7 +234,7 @@ ol.proj.addCoordinateTransforms = function(source, destination, forward, inverse
* transform.
* @return {ol.TransformFunction} Transform function.
*/
ol.proj.createTransformFromCoordinateTransform = function(transform) {
_ol_proj_.createTransformFromCoordinateTransform = function(transform) {
return (
/**
* @param {Array.<number>} input Input.
@@ -267,8 +269,8 @@ ol.proj.createTransformFromCoordinateTransform = function(transform) {
* @return {ol.Coordinate} Coordinate projected to the target projection.
* @api
*/
ol.proj.fromLonLat = function(coordinate, opt_projection) {
return ol.proj.transform(coordinate, 'EPSG:4326',
_ol_proj_.fromLonLat = function(coordinate, opt_projection) {
return _ol_proj_.transform(coordinate, 'EPSG:4326',
opt_projection !== undefined ? opt_projection : 'EPSG:3857');
};
@@ -282,12 +284,12 @@ ol.proj.fromLonLat = function(coordinate, opt_projection) {
* with longitude as 1st and latitude as 2nd element.
* @api
*/
ol.proj.toLonLat = function(coordinate, opt_projection) {
var lonLat = ol.proj.transform(coordinate,
_ol_proj_.toLonLat = function(coordinate, opt_projection) {
var lonLat = _ol_proj_.transform(coordinate,
opt_projection !== undefined ? opt_projection : 'EPSG:3857', 'EPSG:4326');
var lon = lonLat[0];
if (lon < -180 || lon > 180) {
lonLat[0] = ol.math.modulo(lon + 180, 360) - 180;
lonLat[0] = _ol_math_.modulo(lon + 180, 360) - 180;
}
return lonLat;
};
@@ -302,19 +304,19 @@ ol.proj.toLonLat = function(coordinate, opt_projection) {
* @return {ol.proj.Projection} Projection object, or null if not in list.
* @api
*/
ol.proj.get = function(projectionLike) {
_ol_proj_.get = function(projectionLike) {
var projection = null;
if (projectionLike instanceof ol.proj.Projection) {
if (projectionLike instanceof _ol_proj_Projection_) {
projection = projectionLike;
} else if (typeof projectionLike === 'string') {
var code = projectionLike;
projection = ol.proj.projections.get(code);
if (ol.ENABLE_PROJ4JS && !projection) {
var proj4js = ol.proj.proj4.get();
projection = _ol_proj_projections_.get(code);
if (_ol_.ENABLE_PROJ4JS && !projection) {
var proj4js = _ol_proj_proj4_.get();
if (typeof proj4js == 'function' &&
proj4js.defs(code) !== undefined) {
projection = new ol.proj.Projection({code: code});
ol.proj.addProjection(projection);
projection = new _ol_proj_Projection_({code: code});
_ol_proj_.addProjection(projection);
}
}
}
@@ -332,7 +334,7 @@ ol.proj.get = function(projectionLike) {
* @return {boolean} Equivalent.
* @api
*/
ol.proj.equivalent = function(projection1, projection2) {
_ol_proj_.equivalent = function(projection1, projection2) {
if (projection1 === projection2) {
return true;
}
@@ -340,9 +342,9 @@ ol.proj.equivalent = function(projection1, projection2) {
if (projection1.getCode() === projection2.getCode()) {
return equalUnits;
} else {
var transformFn = ol.proj.getTransformFromProjections(
var transformFn = _ol_proj_.getTransformFromProjections(
projection1, projection2);
return transformFn === ol.proj.cloneTransform && equalUnits;
return transformFn === _ol_proj_.cloneTransform && equalUnits;
}
};
@@ -357,10 +359,10 @@ ol.proj.equivalent = function(projection1, projection2) {
* @return {ol.TransformFunction} Transform function.
* @api
*/
ol.proj.getTransform = function(source, destination) {
var sourceProjection = ol.proj.get(source);
var destinationProjection = ol.proj.get(destination);
return ol.proj.getTransformFromProjections(
_ol_proj_.getTransform = function(source, destination) {
var sourceProjection = _ol_proj_.get(source);
var destinationProjection = _ol_proj_.get(destination);
return _ol_proj_.getTransformFromProjections(
sourceProjection, destinationProjection);
};
@@ -374,30 +376,30 @@ ol.proj.getTransform = function(source, destination) {
* object.
* @return {ol.TransformFunction} Transform function.
*/
ol.proj.getTransformFromProjections = function(sourceProjection, destinationProjection) {
_ol_proj_.getTransformFromProjections = function(sourceProjection, destinationProjection) {
var sourceCode = sourceProjection.getCode();
var destinationCode = destinationProjection.getCode();
var transform = ol.proj.transforms.get(sourceCode, destinationCode);
if (ol.ENABLE_PROJ4JS && !transform) {
var proj4js = ol.proj.proj4.get();
var transform = _ol_proj_transforms_.get(sourceCode, destinationCode);
if (_ol_.ENABLE_PROJ4JS && !transform) {
var proj4js = _ol_proj_proj4_.get();
if (typeof proj4js == 'function') {
var sourceDef = proj4js.defs(sourceCode);
var destinationDef = proj4js.defs(destinationCode);
if (sourceDef !== undefined && destinationDef !== undefined) {
if (sourceDef === destinationDef) {
ol.proj.addEquivalentProjections([destinationProjection, sourceProjection]);
_ol_proj_.addEquivalentProjections([destinationProjection, sourceProjection]);
} else {
var proj4Transform = proj4js(destinationCode, sourceCode);
ol.proj.addCoordinateTransforms(destinationProjection, sourceProjection,
_ol_proj_.addCoordinateTransforms(destinationProjection, sourceProjection,
proj4Transform.forward, proj4Transform.inverse);
}
transform = ol.proj.transforms.get(sourceCode, destinationCode);
transform = _ol_proj_transforms_.get(sourceCode, destinationCode);
}
}
}
if (!transform) {
transform = ol.proj.identityTransform;
transform = _ol_proj_.identityTransform;
}
return transform;
};
@@ -409,7 +411,7 @@ ol.proj.getTransformFromProjections = function(sourceProjection, destinationProj
* @param {number=} opt_dimension Dimension.
* @return {Array.<number>} Input coordinate array (same array as input).
*/
ol.proj.identityTransform = function(input, opt_output, opt_dimension) {
_ol_proj_.identityTransform = function(input, opt_output, opt_dimension) {
if (opt_output !== undefined && input !== opt_output) {
for (var i = 0, ii = input.length; i < ii; ++i) {
opt_output[i] = input[i];
@@ -427,7 +429,7 @@ ol.proj.identityTransform = function(input, opt_output, opt_dimension) {
* @return {Array.<number>} Output coordinate array (new array, same coordinate
* values).
*/
ol.proj.cloneTransform = function(input, opt_output, opt_dimension) {
_ol_proj_.cloneTransform = function(input, opt_output, opt_dimension) {
var output;
if (opt_output !== undefined) {
for (var i = 0, ii = input.length; i < ii; ++i) {
@@ -455,8 +457,8 @@ ol.proj.cloneTransform = function(input, opt_output, opt_dimension) {
* @return {ol.Coordinate} Coordinate.
* @api
*/
ol.proj.transform = function(coordinate, source, destination) {
var transformFn = ol.proj.getTransform(source, destination);
_ol_proj_.transform = function(coordinate, source, destination) {
var transformFn = _ol_proj_.getTransform(source, destination);
return transformFn(coordinate, undefined, coordinate.length);
};
@@ -471,9 +473,9 @@ ol.proj.transform = function(coordinate, source, destination) {
* @return {ol.Extent} The transformed extent.
* @api
*/
ol.proj.transformExtent = function(extent, source, destination) {
var transformFn = ol.proj.getTransform(source, destination);
return ol.extent.applyTransform(extent, transformFn);
_ol_proj_.transformExtent = function(extent, source, destination) {
var transformFn = _ol_proj_.getTransform(source, destination);
return _ol_extent_.applyTransform(extent, transformFn);
};
@@ -485,8 +487,8 @@ ol.proj.transformExtent = function(extent, source, destination) {
* @param {ol.proj.Projection} destinationProjection Destination projection.
* @return {ol.Coordinate} Point.
*/
ol.proj.transformWithProjections = function(point, sourceProjection, destinationProjection) {
var transformFn = ol.proj.getTransformFromProjections(
_ol_proj_.transformWithProjections = function(point, sourceProjection, destinationProjection) {
var transformFn = _ol_proj_.getTransformFromProjections(
sourceProjection, destinationProjection);
return transformFn(point);
};
@@ -496,18 +498,19 @@ ol.proj.transformWithProjections = function(point, sourceProjection, destination
* by when this module is executed and should only need to be called again after
* `ol.proj.clearAllProjections()` is called (e.g. in tests).
*/
ol.proj.addCommon = function() {
_ol_proj_.addCommon = function() {
// Add transformations that don't alter coordinates to convert within set of
// projections with equal meaning.
ol.proj.addEquivalentProjections(ol.proj.EPSG3857.PROJECTIONS);
ol.proj.addEquivalentProjections(ol.proj.EPSG4326.PROJECTIONS);
_ol_proj_.addEquivalentProjections(_ol_proj_EPSG3857_.PROJECTIONS);
_ol_proj_.addEquivalentProjections(_ol_proj_EPSG4326_.PROJECTIONS);
// Add transformations to convert EPSG:4326 like coordinates to EPSG:3857 like
// coordinates and back.
ol.proj.addEquivalentTransforms(
ol.proj.EPSG4326.PROJECTIONS,
ol.proj.EPSG3857.PROJECTIONS,
ol.proj.EPSG3857.fromEPSG4326,
ol.proj.EPSG3857.toEPSG4326);
_ol_proj_.addEquivalentTransforms(
_ol_proj_EPSG4326_.PROJECTIONS,
_ol_proj_EPSG3857_.PROJECTIONS,
_ol_proj_EPSG3857_.fromEPSG4326,
_ol_proj_EPSG3857_.toEPSG4326);
};
ol.proj.addCommon();
_ol_proj_.addCommon();
export default _ol_proj_;