D3js try for elegant map out of OSM data.
| <!DOCTYPE html> | |
| <head> | |
| <style> | |
| .landuse { | |
| fill: #efefef; | |
| } | |
| .roads { | |
| fill: none; | |
| stroke: #777; | |
| stroke-width: 0.3px; | |
| } | |
| .roads_residential { | |
| fill: none; | |
| stroke: #fff; | |
| stroke-width: 0.3px; | |
| } | |
| .roads_primary { | |
| fill: none; | |
| stroke: #555; | |
| stroke-width: 0.35px; | |
| } | |
| .roads_trunk { | |
| fill: none; | |
| stroke: #3b3b3b; | |
| stroke-width: 0.4px; | |
| } | |
| .water { | |
| fill: steelblue; | |
| fill-opacity: 0.3; | |
| } | |
| span:before { } | |
| </style> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/d3.geo.projection.v0.min.js"></script> | |
| <script src="http://d3js.org/topojson.v0.min.js"></script> | |
| </head> | |
| <body> | |
| <script> | |
| var width = 960, | |
| height = 700; | |
| var CSS = [ | |
| { "x": 30 , "y": 700-180, "class": "land_use"}, | |
| { "x": 30 , "y": 700-150, "class": "roads"}, | |
| { "x": 30 , "y": 700-120, "class": "roads_residential"}, | |
| { "x": 30 , "y": 700-90, "class": "roads_primary"}, | |
| { "x": 30 , "y": 700-60, "class": "roads_trunk"}, | |
| { "x": 30 , "y": 700-30, "class": "water"} | |
| ]; | |
| var projection = d3.geo.mercator() | |
| .translate([600, height/2]) | |
| .center([0.0, 51.4971]) | |
| .scale(150000); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var svg_g = svg.append("g"); | |
| d3.json('london.topo.json', function(err, data) { | |
| svg_g.append("path") | |
| .datum(topojson.object(data, data.objects.landuse)) | |
| .attr("class", "landuse") | |
| .attr("d", path); | |
| svg_g.append("path") | |
| .datum(topojson.object(data, data.objects.roads)) | |
| .attr("class", "roads") | |
| .attr("d", path); | |
| svg_g.append("path") | |
| .datum(topojson.object(data, data.objects.roads_residential)) | |
| .attr("class", "roads_residential") | |
| .attr("d", path); | |
| svg_g.append("path") | |
| .datum(topojson.object(data, data.objects.roads_primary)) | |
| .attr("class", "roads_primary") | |
| .attr("d", path); | |
| svg_g.append("path") | |
| .attr("class", "roads_trunk") | |
| .datum(topojson.object(data, data.objects.roads_truck)) | |
| .attr("d", path); | |
| svg_g | |
| .append("path") | |
| .datum(topojson.object(data, data.objects.waterway)) | |
| .attr("class", "water") | |
| .attr("d", path); | |
| svg_g.append("g") | |
| .attr("groupmode","layer") | |
| .attr({'id':'legend','label':'Legend'}) | |
| .selectAll("rect") | |
| .data(CSS) | |
| .enter() | |
| .append("rect") | |
| .attr("width", 20) | |
| .attr("height", 10) | |
| .attr("x", function (d) { return d.x; }) | |
| .attr("y", function (d) { return d.y; }) | |
| .attr("class", function (d) { return d.class; }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment