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Convert lodah-es and d3 to named imports for geo

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This commit is contained in:
Bryan Housel
2017-09-24 23:01:21 -04:00
parent 78908bfaa1
commit 8e591a5384
3 changed files with 19 additions and 9 deletions
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5
modules/geo/extent.js
View File

@@ -1,4 +1,5 @@
import _ from 'lodash';
import _extend from 'lodash-es/extend';
import {
geoMetersToLat,
geoMetersToLon
@@ -20,7 +21,7 @@ export function geoExtent(min, max) {
geoExtent.prototype = new Array(2);
_.extend(geoExtent.prototype, {
_extend(geoExtent.prototype, {
equals: function (obj) {
return this[0][0] === obj[0][0] &&

7
modules/geo/geo.js
View File

@@ -1,4 +1,5 @@
import _ from 'lodash';
import _every from 'lodash-es/every';
import _some from 'lodash-es/some';
export function geoRoundCoords(c) {
@@ -239,7 +240,7 @@ export function geoPointInPolygon(point, polygon) {
export function geoPolygonContainsPolygon(outer, inner) {
return _.every(inner, function(point) {
return _every(inner, function(point) {
return geoPointInPolygon(point, outer);
});
}
@@ -258,7 +259,7 @@ export function geoPolygonIntersectsPolygon(outer, inner, checkSegments) {
}
function testPoints(outer, inner) {
return _.some(inner, function(point) {
return _some(inner, function(point) {
return geoPointInPolygon(point, outer);
});
}

16
modules/geo/raw_mercator.js
View File

@@ -1,4 +1,12 @@
import * as d3 from 'd3';
import {
geoMercatorRaw as d3_geoMercatorRaw,
geoTransform as d3_geoTransform
} from 'd3-geo';
import {
zoomIdentity as d3_zoomIdentity
} from 'd3-zoom';
/*
Bypasses features of D3's default projection stream pipeline that are unnecessary:
@@ -7,7 +15,7 @@ import * as d3 from 'd3';
* Resampling
*/
export function geoRawMercator() {
var project = d3.geoMercatorRaw,
var project = d3_geoMercatorRaw,
k = 512 / Math.PI, // scale
x = 0, y = 0, // translate
clipExtent = [[0, 0], [0, 0]];
@@ -48,7 +56,7 @@ export function geoRawMercator() {
projection.transform = function(_) {
if (!arguments.length) return d3.zoomIdentity.translate(x, y).scale(k);
if (!arguments.length) return d3_zoomIdentity.translate(x, y).scale(k);
x = +_.x;
y = +_.y;
k = +_.k;
@@ -56,7 +64,7 @@ export function geoRawMercator() {
};
projection.stream = d3.geoTransform({
projection.stream = d3_geoTransform({
point: function(x, y) {
x = projection([x, y]);
this.stream.point(x[0], x[1]);