Demonstrate all features present in ukraine_map_data/ukraine.json.
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August 29, 2015 13:56
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| svg { | |
| background-color: rgb(191, 216, 242); | |
| } | |
| .country { | |
| fill: #eee; | |
| } | |
| .country.UKR { | |
| /*fill: #cdc;*/ /* Na zielonej Ukrainie */ | |
| fill: #fff; | |
| } | |
| .country-boundary { | |
| fill: none; | |
| stroke: #aaa; | |
| } | |
| .region { | |
| fill: none; | |
| } | |
| .region-boundary { | |
| fill: none; | |
| stroke: #777; | |
| stroke-dasharray: 2,2; | |
| stroke-linejoin: round; | |
| } | |
| .region-label { | |
| fill: #888; | |
| fill-opacity: .8; | |
| font-size: 15px; | |
| font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; | |
| font-weight: 300; | |
| text-anchor: middle; | |
| } | |
| .coastline, .river, .lake { | |
| stroke: rgb(83, 168, 231); | |
| } | |
| .coastline, .river { | |
| fill: none; | |
| } | |
| .lake { | |
| fill: rgb(191, 216, 242); | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/topojson.v1.min.js"></script> | |
| <script> | |
| var width = 900, | |
| height = 600; | |
| var geometry_center = {"latitude": 48.360833, "longitude": 31.1809725}; | |
| var geography_center = {"latitude": 49.0275, "longitude": 31.482778}; | |
| var svg = d3.select("body").append("center").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| d3.json("ukraine.json", function(error, ukraine_data) { | |
| var projection = d3.geo.conicEqualArea() | |
| .center([0, geometry_center.latitude]) | |
| .rotate([-geometry_center.longitude, 0]) | |
| .parallels([46, 52]) // vsapsai: selected these parallels myself, most likely they are wrong. | |
| .scale(4000) | |
| .translate([width / 2, height / 2]); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| var countries = topojson.feature(ukraine_data, ukraine_data.objects.countries); | |
| svg.selectAll(".country") | |
| .data(countries.features) | |
| .enter().append("path") | |
| .attr("class", function(d) { return "country " + d.id; }) | |
| .attr("d", path); | |
| svg.append("path") | |
| .datum(topojson.mesh(ukraine_data, ukraine_data.objects.countries, function(a, b) { return a !== b; })) | |
| .attr("class", "country-boundary") | |
| .attr("d", path); | |
| svg.append("path") | |
| .datum(topojson.mesh(ukraine_data, ukraine_data.objects.countries, function(a, b) { return a === b; })) | |
| .attr("class", "coastline") | |
| .attr("d", path); | |
| var water_group = svg.append("g") | |
| .attr("id", "water-resources"); | |
| var rivers = topojson.feature(ukraine_data, ukraine_data.objects.rivers); | |
| water_group.selectAll(".river") | |
| .data(rivers.features) | |
| .enter().append("path") | |
| .attr("class", "river") | |
| .attr("name", function(d) { return d.properties.name; }) | |
| .attr("d", path); | |
| // Add lakes after rivers so that river lines connect reservoirs, not cross them. | |
| var lakes = topojson.feature(ukraine_data, ukraine_data.objects.lakes); | |
| water_group.selectAll(".lake") | |
| .data(lakes.features) | |
| .enter().append("path") | |
| .attr("class", "lake") // Note: not necessary a lake, it can be a reservoir. | |
| .attr("name", function(d) { return d.properties.name; }) | |
| .attr("d", path); | |
| var regions = topojson.feature(ukraine_data, ukraine_data.objects.regions); | |
| // -- areas | |
| svg.selectAll(".region") | |
| .data(regions.features) | |
| .enter().append("path") | |
| .classed("region", true) | |
| .attr("id", function(d) { return d.id; }) | |
| .attr("d", path); | |
| // -- boundaries | |
| svg.append("path") | |
| .datum(topojson.mesh(ukraine_data, ukraine_data.objects.regions, function(a, b) { return a !== b; })) | |
| .classed("region-boundary", true) | |
| .attr("d", path); | |
| // -- labels | |
| svg.selectAll(".region-label") | |
| .data(regions.features) | |
| .enter().append("text") | |
| .attr("transform", function(d) { return "translate(" + projection(d.properties.label_point) + ")"; }) | |
| .classed("region-label", true) | |
| .selectAll("tspan") | |
| .data(function(d) { return d.properties.localized_name.ua.split(" "); }) | |
| .enter().append("tspan") | |
| .attr("x", "0") | |
| .attr("dy", function(d, i) { return i > 0 ? "1.1em" : "0"; }) | |
| .text(function(d) { return d + " "; }); | |
| }); | |
| d3.select(self.frameElement) | |
| .style("width", width + "px") | |
| .style("height", height + "px"); | |
| </script> |
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