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d3-geo - npm Package Compare versions
Comparing version 1.7.1 to 1.8.1
@@ -1,2 +0,2 @@ | ||
| // https://d3js.org/d3-geo/ Version 1.7.1. Copyright 2017 Mike Bostock. | ||
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@@ -5,3 +5,6 @@ export {default as geoArea} from "./src/area"; | ||
| export {default as geoCircle} from "./src/circle"; | ||
| export {default as geoClipAntimeridian} from "./src/clip/antimeridian"; | ||
| export {default as geoClipCircle} from "./src/clip/circle"; | ||
| export {default as geoClipExtent} from "./src/clip/extent"; // DEPRECATED! Use d3.geoIdentity().clipExtent(…). | ||
| export {default as geoClipRectangle} from "./src/clip/rectangle"; | ||
| export {default as geoContains} from "./src/contains"; | ||
@@ -8,0 +11,0 @@ export {default as geoDistance} from "./src/distance"; |
| { | ||
| "name": "d3-geo", | ||
| "version": "1.7.1", | ||
| "version": "1.8.1", | ||
| "description": "Shapes and calculators for spherical coordinates.", | ||
@@ -28,3 +28,3 @@ "keywords": [ | ||
| "test": "tape 'test/**/*-test.js' && mkdir -p test/output && eslint index.js src", | ||
| "prepublishOnly": "npm run test && test/compare-images && uglifyjs -b beautify=false,preamble=\"'$(preamble)'\" build/d3-geo.js -c -m -o build/d3-geo.min.js", | ||
| "prepare": "npm run test && test/compare-images && uglifyjs -b beautify=false,preamble=\"'$(preamble)'\" build/d3-geo.js -c -m -o build/d3-geo.min.js", | ||
| "postpublish": "git push && git push --tags && cd ../d3.github.com && git pull && cp ../d3-geo/build/d3-geo.js d3-geo.v1.js && cp ../d3-geo/build/d3-geo.min.js d3-geo.v1.min.js && git add d3-geo.v1.js d3-geo.v1.min.js && git commit -m \"d3-geo ${npm_package_version}\" && git push && cd - && zip -j build/d3-geo.zip -- LICENSE README.md build/d3-geo.js build/d3-geo.min.js" | ||
@@ -40,3 +40,3 @@ }, | ||
| "package-preamble": "0.1", | ||
| "rollup": "0.49", | ||
| "rollup": "0.50", | ||
| "tape": "4", | ||
@@ -43,0 +43,0 @@ "topojson-client": "3", |
@@ -49,2 +49,3 @@ # d3-geo | ||
| * [Transforms](#transforms) | ||
| * [Clipping](#clipping) | ||
@@ -157,2 +158,10 @@ ### Paths | ||
| <a href="#projection_preclip" name="projection_preclip">#</a> <i>projection</i>.<b>preclip</b>([<i>preclip</i>]) | ||
| If *preclip* is specified, sets the projection’s spherical clipping to the specified function and returns the projection. If *preclip* is not specified, returns the current spherical clipping function (see [preclip](#preclip)). | ||
| <a href="#projection_postclip" name="projection_postclip">#</a> <i>projection</i>.<b>postclip</b>([<i>postclip</i>]) | ||
| If *postclip* is specified, sets the projection’s cartesian clipping to the specified function and returns the projection. If *postclip* is not specified, returns the current cartesian clipping function (see [postclip](#postclip)). | ||
| <a href="#projection_clipAngle" name="projection_clipAngle">#</a> <i>projection</i>.<b>clipAngle</b>([<i>angle</i>]) [<>](https://github.com/d3/d3-geo/blob/master/src/projection/index.js#L52 "Source") | ||
@@ -162,2 +171,4 @@ | ||
| See also [*projection*.preclip](#projection_preclip), [d3.geoClipAntimeridian](#geoClipAntimeridian), [d3.geoClipCircle](#geoClipCircle). | ||
| <a href="#projection_clipExtent" name="projection_clipExtent">#</a> <i>projection</i>.<b>clipExtent</b>([<i>extent</i>]) [<>](https://github.com/d3/d3-geo/blob/master/src/projection/index.js#L56 "Source") | ||
@@ -167,2 +178,4 @@ | ||
| See also [*projection*.postclip](#projection_postclip), [d3.geoClipRectangle](#geoClipRectangle). | ||
| <a href="#projection_scale" name="projection_scale">#</a> <i>projection</i>.<b>scale</b>([<i>scale</i>]) [<>](https://github.com/d3/d3-geo/blob/master/src/projection/index.js#L60 "Source") | ||
@@ -624,1 +637,31 @@ | ||
| If *reflect* is specified, sets whether or not the *y*-dimension is reflected (negated) in the output. If *reflect* is not specified, returns true if *y*-reflection is enabled, which defaults to false. This is especially useful for transforming from standard [spatial reference systems](https://en.wikipedia.org/wiki/Spatial_reference_system), which treat positive *y* as pointing up, to display coordinate systems such as Canvas and SVG, which treat positive *y* as pointing down. | ||
| ### Clipping | ||
| Projections perform cutting or clipping of geometries in two stages. | ||
| <a name="preclip" href="#preclip">#</a> <i>preclip</i>(<i>stream</i>) | ||
| Pre-clipping occurs in geographic coordinates. Cutting along the antimeridian line, or clipping along a small circle are the most common strategies. | ||
| See [*projection*.preclip](#projection_preclip). | ||
| <a name="postclip" href="#postclip">#</a> <i>postclip</i>(<i>stream</i>) | ||
| Post-clipping occurs on the plane, when a projection is bounded to a certain extent such as a rectangle. | ||
| See [*projection*.postclip](#projection_postclip). | ||
| Clipping functions are implemented as transformations of a [projection stream](#streams). Pre-clipping operates on spherical coordinates, in radians. Post-clipping operates on planar coordinates, in pixels. | ||
| <a name="geoClipAntimeridian" href="#geoClipAntimeridian">#</a> d3.<b>geoClipAntimeridian</b> | ||
| Returns a stream where geometries (lines or polygons) that cross the antimeridian line are cut in two, one on each side. Typically used for pre-clipping. | ||
| <a name="geoClipCircle" href="#geoClipCircle">#</a> d3.<b>geoClipCircle</b>(<i>angle</i>) | ||
| Returns a stream where geometries are bounded by a small circle of radius *angle* around the projection’s [center](#projection_center). Typically used for pre-clipping. | ||
| <a name="geoClipRectangle" href="#geoClipRectangle">#</a> d3.<b>geoClipRectangle</b>(<i>x0</i>, <i>y0</i>, <i>x1</i>, <i>y1</i>) | ||
| Returns a stream where geometries are bounded by a rectangle of coordinates [[<i>x0</i>, <i>y0</i>], [<i>x1</i>, <i>y1</i>]]. Typically used for post-clipping. |
@@ -0,15 +1,14 @@ | ||
| const definition = require("./package.json"); | ||
| const dependencies = Object.keys(definition.dependencies); | ||
| export default { | ||
| input: "index", | ||
| external: [ | ||
| "d3-array" | ||
| ], | ||
| external: dependencies, | ||
| output: { | ||
| extend: true, | ||
| file: "build/d3-geo.js", | ||
| file: `build/${definition.name}.js`, | ||
| format: "umd", | ||
| globals: { | ||
| "d3-array": "d3" | ||
| }, | ||
| globals: dependencies.reduce((p, v) => (p[v] = "d3", p), {}), | ||
| name: "d3" | ||
| } | ||
| }; |
| import {cartesian, cartesianAddInPlace, cartesianCross, cartesianDot, cartesianScale, spherical} from "../cartesian"; | ||
| import {circleStream} from "../circle"; | ||
| import {abs, cos, epsilon, pi, sqrt} from "../math"; | ||
| import {abs, cos, epsilon, pi, radians, sqrt} from "../math"; | ||
| import pointEqual from "../pointEqual"; | ||
| import clip from "./index"; | ||
| export default function(radius, delta) { | ||
| export default function(radius) { | ||
| var cr = cos(radius), | ||
| delta = 6 * radians, | ||
| smallRadius = cr > 0, | ||
@@ -10,0 +11,0 @@ notHemisphere = abs(cr) > epsilon; // TODO optimise for this common case |
@@ -1,170 +0,3 @@ | ||
| import {abs, epsilon} from "../math"; | ||
| import clipBuffer from "./buffer"; | ||
| import clipLine from "./line"; | ||
| import clipPolygon from "./polygon"; | ||
| import {merge} from "d3-array"; | ||
| import clipRectangle from "./rectangle"; | ||
| var clipMax = 1e9, clipMin = -clipMax; | ||
| // TODO Use d3-polygon’s polygonContains here for the ring check? | ||
| // TODO Eliminate duplicate buffering in clipBuffer and polygon.push? | ||
| export function clipExtent(x0, y0, x1, y1) { | ||
| function visible(x, y) { | ||
| return x0 <= x && x <= x1 && y0 <= y && y <= y1; | ||
| } | ||
| function interpolate(from, to, direction, stream) { | ||
| var a = 0, a1 = 0; | ||
| if (from == null | ||
| || (a = corner(from, direction)) !== (a1 = corner(to, direction)) | ||
| || comparePoint(from, to) < 0 ^ direction > 0) { | ||
| do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); | ||
| while ((a = (a + direction + 4) % 4) !== a1); | ||
| } else { | ||
| stream.point(to[0], to[1]); | ||
| } | ||
| } | ||
| function corner(p, direction) { | ||
| return abs(p[0] - x0) < epsilon ? direction > 0 ? 0 : 3 | ||
| : abs(p[0] - x1) < epsilon ? direction > 0 ? 2 : 1 | ||
| : abs(p[1] - y0) < epsilon ? direction > 0 ? 1 : 0 | ||
| : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon | ||
| } | ||
| function compareIntersection(a, b) { | ||
| return comparePoint(a.x, b.x); | ||
| } | ||
| function comparePoint(a, b) { | ||
| var ca = corner(a, 1), | ||
| cb = corner(b, 1); | ||
| return ca !== cb ? ca - cb | ||
| : ca === 0 ? b[1] - a[1] | ||
| : ca === 1 ? a[0] - b[0] | ||
| : ca === 2 ? a[1] - b[1] | ||
| : b[0] - a[0]; | ||
| } | ||
| return function(stream) { | ||
| var activeStream = stream, | ||
| bufferStream = clipBuffer(), | ||
| segments, | ||
| polygon, | ||
| ring, | ||
| x__, y__, v__, // first point | ||
| x_, y_, v_, // previous point | ||
| first, | ||
| clean; | ||
| var clipStream = { | ||
| point: point, | ||
| lineStart: lineStart, | ||
| lineEnd: lineEnd, | ||
| polygonStart: polygonStart, | ||
| polygonEnd: polygonEnd | ||
| }; | ||
| function point(x, y) { | ||
| if (visible(x, y)) activeStream.point(x, y); | ||
| } | ||
| function polygonInside() { | ||
| var winding = 0; | ||
| for (var i = 0, n = polygon.length; i < n; ++i) { | ||
| for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { | ||
| a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; | ||
| if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } | ||
| else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } | ||
| } | ||
| } | ||
| return winding; | ||
| } | ||
| // Buffer geometry within a polygon and then clip it en masse. | ||
| function polygonStart() { | ||
| activeStream = bufferStream, segments = [], polygon = [], clean = true; | ||
| } | ||
| function polygonEnd() { | ||
| var startInside = polygonInside(), | ||
| cleanInside = clean && startInside, | ||
| visible = (segments = merge(segments)).length; | ||
| if (cleanInside || visible) { | ||
| stream.polygonStart(); | ||
| if (cleanInside) { | ||
| stream.lineStart(); | ||
| interpolate(null, null, 1, stream); | ||
| stream.lineEnd(); | ||
| } | ||
| if (visible) { | ||
| clipPolygon(segments, compareIntersection, startInside, interpolate, stream); | ||
| } | ||
| stream.polygonEnd(); | ||
| } | ||
| activeStream = stream, segments = polygon = ring = null; | ||
| } | ||
| function lineStart() { | ||
| clipStream.point = linePoint; | ||
| if (polygon) polygon.push(ring = []); | ||
| first = true; | ||
| v_ = false; | ||
| x_ = y_ = NaN; | ||
| } | ||
| // TODO rather than special-case polygons, simply handle them separately. | ||
| // Ideally, coincident intersection points should be jittered to avoid | ||
| // clipping issues. | ||
| function lineEnd() { | ||
| if (segments) { | ||
| linePoint(x__, y__); | ||
| if (v__ && v_) bufferStream.rejoin(); | ||
| segments.push(bufferStream.result()); | ||
| } | ||
| clipStream.point = point; | ||
| if (v_) activeStream.lineEnd(); | ||
| } | ||
| function linePoint(x, y) { | ||
| var v = visible(x, y); | ||
| if (polygon) ring.push([x, y]); | ||
| if (first) { | ||
| x__ = x, y__ = y, v__ = v; | ||
| first = false; | ||
| if (v) { | ||
| activeStream.lineStart(); | ||
| activeStream.point(x, y); | ||
| } | ||
| } else { | ||
| if (v && v_) activeStream.point(x, y); | ||
| else { | ||
| var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], | ||
| b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; | ||
| if (clipLine(a, b, x0, y0, x1, y1)) { | ||
| if (!v_) { | ||
| activeStream.lineStart(); | ||
| activeStream.point(a[0], a[1]); | ||
| } | ||
| activeStream.point(b[0], b[1]); | ||
| if (!v) activeStream.lineEnd(); | ||
| clean = false; | ||
| } else if (v) { | ||
| activeStream.lineStart(); | ||
| activeStream.point(x, y); | ||
| clean = false; | ||
| } | ||
| } | ||
| } | ||
| x_ = x, y_ = y, v_ = v; | ||
| } | ||
| return clipStream; | ||
| }; | ||
| } | ||
| export default function() { | ||
@@ -181,3 +14,3 @@ var x0 = 0, | ||
| stream: function(stream) { | ||
| return cache && cacheStream === stream ? cache : cache = clipExtent(x0, y0, x1, y1)(cacheStream = stream); | ||
| return cache && cacheStream === stream ? cache : cache = clipRectangle(x0, y0, x1, y1)(cacheStream = stream); | ||
| }, | ||
@@ -184,0 +17,0 @@ extent: function(_) { |
| import clipBuffer from "./buffer"; | ||
| import clipPolygon from "./polygon"; | ||
| import clipRejoin from "./rejoin"; | ||
| import {epsilon, halfPi} from "../math"; | ||
@@ -8,5 +8,4 @@ import polygonContains from "../polygonContains"; | ||
| export default function(pointVisible, clipLine, interpolate, start) { | ||
| return function(rotate, sink) { | ||
| return function(sink) { | ||
| var line = clipLine(sink), | ||
| rotatedStart = rotate.invert(start[0], start[1]), | ||
| ringBuffer = clipBuffer(), | ||
@@ -35,6 +34,6 @@ ringSink = clipLine(ringBuffer), | ||
| segments = merge(segments); | ||
| var startInside = polygonContains(polygon, rotatedStart); | ||
| var startInside = polygonContains(polygon, start); | ||
| if (segments.length) { | ||
| if (!polygonStarted) sink.polygonStart(), polygonStarted = true; | ||
| clipPolygon(segments, compareIntersection, startInside, interpolate, sink); | ||
| clipRejoin(segments, compareIntersection, startInside, interpolate, sink); | ||
| } else if (startInside) { | ||
@@ -59,9 +58,7 @@ if (!polygonStarted) sink.polygonStart(), polygonStarted = true; | ||
| function point(lambda, phi) { | ||
| var point = rotate(lambda, phi); | ||
| if (pointVisible(lambda = point[0], phi = point[1])) sink.point(lambda, phi); | ||
| if (pointVisible(lambda, phi)) sink.point(lambda, phi); | ||
| } | ||
| function pointLine(lambda, phi) { | ||
| var point = rotate(lambda, phi); | ||
| line.point(point[0], point[1]); | ||
| line.point(lambda, phi); | ||
| } | ||
@@ -81,4 +78,3 @@ | ||
| ring.push([lambda, phi]); | ||
| var point = rotate(lambda, phi); | ||
| ringSink.point(point[0], point[1]); | ||
| ringSink.point(lambda, phi); | ||
| } | ||
@@ -85,0 +81,0 @@ |
@@ -1,2 +0,2 @@ | ||
| import {clipExtent} from "../clip/extent"; | ||
| import clipRectangle from "../clip/rectangle"; | ||
| import identity from "../identity"; | ||
@@ -16,3 +16,4 @@ import {transformer} from "../transform"; | ||
| var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform = identity, // scale, translate and reflect | ||
| x0 = null, y0, x1, y1, clip = identity, // clip extent | ||
| x0 = null, y0, x1, y1, // clip extent | ||
| postclip = identity, | ||
| cache, | ||
@@ -29,6 +30,9 @@ cacheStream, | ||
| stream: function(stream) { | ||
| return cache && cacheStream === stream ? cache : cache = transform(clip(cacheStream = stream)); | ||
| return cache && cacheStream === stream ? cache : cache = transform(postclip(cacheStream = stream)); | ||
| }, | ||
| postclip: function(_) { | ||
| return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; | ||
| }, | ||
| clipExtent: function(_) { | ||
| return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; | ||
| return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; | ||
| }, | ||
@@ -35,0 +39,0 @@ scale: function(_) { |
| import clipAntimeridian from "../clip/antimeridian"; | ||
| import clipCircle from "../clip/circle"; | ||
| import {clipExtent} from "../clip/extent"; | ||
| import clipRectangle from "../clip/rectangle"; | ||
| import compose from "../compose"; | ||
@@ -18,2 +18,11 @@ import identity from "../identity"; | ||
| function transformRotate(rotate) { | ||
| return transformer({ | ||
| point: function(x, y) { | ||
| var r = rotate(x, y); | ||
| return this.stream.point(r[0], r[1]); | ||
| } | ||
| }); | ||
| } | ||
| export default function projection(project) { | ||
@@ -50,11 +59,19 @@ return projectionMutator(function() { return project; })(); | ||
| projection.stream = function(stream) { | ||
| return cache && cacheStream === stream ? cache : cache = transformRadians(preclip(rotate, projectResample(postclip(cacheStream = stream)))); | ||
| return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream))))); | ||
| }; | ||
| projection.preclip = function(_) { | ||
| return arguments.length ? (preclip = _, theta = undefined, reset()) : preclip; | ||
| }; | ||
| projection.postclip = function(_) { | ||
| return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; | ||
| }; | ||
| projection.clipAngle = function(_) { | ||
| return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees; | ||
| return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees; | ||
| }; | ||
| projection.clipExtent = function(_) { | ||
| return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; | ||
| return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; | ||
| }; | ||
@@ -61,0 +78,0 @@ |
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Improved metrics
- Total package byte prevSize
- increased by0.22%
1875412
- Number of package files
- increased by2.5%
82
- Lines of code
- increased by0.66%
5310
- Number of lines in readme file
- increased by6.94%
663
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