Working from Mike's tiles-clipped-to-a-polygon example, I extended it for a unique tileset in each of several polygons.
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December 31, 2015 07:39
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Tour de Stamen in D3
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<!DOCTYPE html> | |
<head> | |
<meta charset="utf-8"> | |
<style> | |
svg { | |
background-color: #333; | |
} | |
.stroke { | |
fill: none; | |
stroke: #222; | |
stroke-width: .5; | |
} | |
</style> | |
</head> | |
<body> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<script src="http://d3js.org/d3.geo.tile.v0.min.js"></script> | |
<script src="http://d3js.org/topojson.v1.min.js"></script> | |
<script> | |
var width = 960, | |
height = 500; | |
var projection = d3.geo.mercator() | |
.center([-122, 48.7]) | |
.scale(7200); | |
var path = d3.geo.path() | |
.projection(projection); | |
var tile = d3.geo.tile() | |
.scale(projection.scale() * 2 * Math.PI) | |
.translate(projection([0, 0])) | |
.zoomDelta((window.devicePixelRatio || 1) - .5); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width) | |
.attr("height", height); | |
//USA! | |
d3.json("world-50m.json", function(error, topology) { | |
var amurka = topology.objects.countries.geometries.filter(function(d) { return d.id == 840; })[0]; | |
var canada = topology.objects.countries.geometries.filter(function(d) { return d.id == 124; })[0]; | |
var mexico = topology.objects.countries.geometries.filter(function(d) { return d.id == 484; })[0]; | |
var cuba = topology.objects.countries.geometries.filter(function(d) { return d.id == 192; })[0]; | |
var tiles1 = tile(); | |
var tiles2 = tile(); | |
var tiles3 = tile(); | |
var tiles4 = tile(); | |
var defs = svg.append("defs"); | |
//USA! | |
defs.append("path") | |
.attr("id", "usa") | |
.datum(topojson.feature(topology, amurka)) | |
.attr("d", path) | |
defs.append("clipPath") | |
.attr("id", "clip1") | |
.append("use") | |
.attr("xlink:href", "#usa"); | |
svg.append("g") | |
.attr("clip-path", "url(#clip1)") | |
.selectAll("image") | |
.data(tiles1) | |
.enter().append("image") | |
.attr("xlink:href", function(d) { return "http://" + ["a", "b", "c", "d"][Math.random() * 4 | 0] + ".tile.stamen.com/terrain/" + d[2] + "/" + d[0] + "/" + d[1] + ".png"; }) | |
.attr("width", Math.round(tiles1.scale)) | |
.attr("height", Math.round(tiles1.scale)) | |
.attr("x", function(d) { return Math.round((d[0] + tiles1.translate[0]) * tiles1.scale); }) | |
.attr("y", function(d) { return Math.round((d[1] + tiles1.translate[1]) * tiles1.scale); }); | |
svg.append("use") | |
.attr("xlink:href", "#usa") | |
.attr("class", "stroke"); | |
//CANADA! | |
defs.append("path") | |
.attr("id", "can") | |
.datum(topojson.feature(topology, canada)) | |
.attr("class", "land can") | |
.attr("d", path) | |
defs.append("clipPath") | |
.attr("id", "clip2") | |
.append("use") | |
.attr("xlink:href", "#can"); | |
svg.append("g") | |
.attr("clip-path", "url(#clip2)") | |
.selectAll("image") | |
.data(tiles2) | |
.enter().append("image") | |
.attr("xlink:href", function(d) { return "http://" + ["a", "b", "c", "d"][Math.random() * 4 | 0] + ".tile.stamen.com/toner/" + d[2] + "/" + d[0] + "/" + d[1] + ".png"; }) | |
.attr("width", Math.round(tiles2.scale)) | |
.attr("height", Math.round(tiles2.scale)) | |
.attr("x", function(d) { return Math.round((d[0] + tiles2.translate[0]) * tiles2.scale); }) | |
.attr("y", function(d) { return Math.round((d[1] + tiles2.translate[1]) * tiles2.scale); }); | |
svg.append("use") | |
.attr("xlink:href", "#can") | |
.attr("class", "stroke"); | |
//Mexico! | |
defs.append("path") | |
.attr("id", "mex") | |
.datum(topojson.feature(topology, mexico)) | |
.attr("class", "land mex") | |
.attr("d", path) | |
defs.append("clipPath") | |
.attr("id", "clip3") | |
.append("use") | |
.attr("xlink:href", "#mex"); | |
svg.append("g") | |
.attr("clip-path", "url(#clip3)") | |
.selectAll("image") | |
.data(tiles3) | |
.enter().append("image") | |
.attr("xlink:href", function(d) { return "http://" + ["a", "b", "c", "d"][Math.random() * 4 | 0] + ".tiles.mapbox.com/v3/landplanner.g9caodmg/" + d[2] + "/" + d[0] + "/" + d[1] + ".png"; }) | |
.attr("width", Math.round(tiles3.scale)) | |
.attr("height", Math.round(tiles3.scale)) | |
.attr("x", function(d) { return Math.round((d[0] + tiles3.translate[0]) * tiles3.scale); }) | |
.attr("y", function(d) { return Math.round((d[1] + tiles3.translate[1]) * tiles3.scale); }); | |
svg.append("use") | |
.attr("xlink:href", "#mex") | |
.attr("class", "stroke"); | |
//Cuba! | |
defs.append("path") | |
.attr("id", "cub") | |
.datum(topojson.feature(topology, cuba)) | |
.attr("class", "land cub") | |
.attr("d", path) | |
defs.append("clipPath") | |
.attr("id", "clip4") | |
.append("use") | |
.attr("xlink:href", "#cub"); | |
svg.append("g") | |
.attr("clip-path", "url(#clip4)") | |
.selectAll("image") | |
.data(tiles4) | |
.enter().append("image") | |
.attr("xlink:href", function(d) { return "http://" + ["a", "b", "c", "d"][Math.random() * 4 | 0] + ".tiles.mapbox.com/v3/landplanner.gbn69pja/" + d[2] + "/" + d[0] + "/" + d[1] + ".png"; }) | |
.attr("width", Math.round(tiles4.scale)) | |
.attr("height", Math.round(tiles4.scale)) | |
.attr("x", function(d) { return Math.round((d[0] + tiles4.translate[0]) * tiles4.scale); }) | |
.attr("y", function(d) { return Math.round((d[1] + tiles4.translate[1]) * tiles4.scale); }); | |
svg.append("use") | |
.attr("xlink:href", "#cub") | |
.attr("class", "stroke"); | |
}); | |
</script> | |
</body> | |
</html> |
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