relief map of US from http://pubs.usgs.gov/of/1999/of99-011/online.html
border of US from natural earth file
my boundary file's a little off
| <!DOCTYPE html> | |
| <meta charset='utf-8'> | |
| <style> | |
| /* Style here... */ | |
| path#USI { | |
| fill: none; | |
| stroke: #000; | |
| stroke-width:2; | |
| } | |
| image.bg { | |
| opacity: .5; | |
| } | |
| </style> | |
| <div></div> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/topojson.v0.min.js"></script> | |
| <script> | |
| var width = 1000, | |
| height = 430; | |
| var projection = d3.geo.albers() | |
| .rotate([95.8,.2]) | |
| .scale(937) | |
| .translate([width / 2, height / 2]); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| var svg = d3.select("body").append("svg") | |
| .attr("class", "map") | |
| .attr("width", width) | |
| .attr("height", height); | |
| d3.json("usborder.json", function(error, data) { | |
| var us = topojson.object(data, data.objects.usborder); | |
| svg.append("image") | |
| //.attr("clip-path", "url(#clip)") | |
| .attr("xlink:href", "usael.png") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .attr("class", "bg"); | |
| svg.selectAll(".cr-subunit") | |
| .data(us.geometries) | |
| .enter().append("path") | |
| .attr("id", function(d) { return "USI"; }) | |
| .attr("d", path); | |
| svg.append("clipPath") | |
| .attr("id", "clip") | |
| .append("use") | |
| .attr("xlink:href", "#USI"); | |
| svg.append("image") | |
| .attr("clip-path", "url(#clip)") | |
| .attr("xlink:href", "usael.png") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .attr("class", "fg"); | |
| }); | |
| // Script here... | |
| </script> |
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