| license: gpl-3.0 |
13,837 census block groups; 13,866 polygons. 2.1M TopoJSON, 620K gzipped. Made by customizing the makefile in the U.S. Atlas project:
topojson \
-o ny.json \
--projection 'd3.geo.mercator().center([-75.819, 42.795]).scale(6193).translate([480, 350]).precision(0)' \
-q 1e5 \
-s .5 \
-- blockgroups=shp/ny/blockgroups.shp| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| path { | |
| fill: none; | |
| stroke: #000; | |
| stroke-width: .5px; | |
| stroke-linejoin: round; | |
| stroke-linecap: round; | |
| } | |
| </style> | |
| <body> | |
| <script src="//d3js.org/d3.v3.min.js"></script> | |
| <script src="//d3js.org/topojson.v1.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 700; | |
| var path = d3.geo.path() | |
| .projection(null); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| d3.json("ny.json", function(error, ny) { | |
| if (error) throw error; | |
| svg.append("path") | |
| .datum(topojson.mesh(ny)) | |
| .attr("d", path); | |
| }); | |
| d3.select(self.frameElement).style("height", height + "px"); | |
| </script> |
