Gist to serve as template for future TDD D3 blocks
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Example: https://denpa.moe/~syrup/himawari8.png |
This list of resources is all about acquring and processing aerial imagery. It's generally broken up in three ways: how to go about this in Photoshop/GIMP, using command-line tools, or in GIS software, depending what's most comfortable to you. Often these tools can be used in conjunction with each other.
- USGS Earth Explorer - Browser and data access (create a login)
http://earthexplorer.usgs.gov/
- Landsat archive
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<!DOCTYPE html> | |
<html> | |
<head> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<meta charset="utf-8"> | |
<title>JS Bin</title> | |
<style id="jsbin-css"> | |
path { stroke: red; fill: none; stroke-width:2; opacity: 0.4} | |
</style> | |
</head> |
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<script type="text/javascript"> | |
(function () { | |
"use strict"; | |
// once cached, the css file is stored on the client forever unless | |
// the URL below is changed. Any change will invalidate the cache | |
var css_href = './index_files/web-fonts.css'; | |
// a simple event handler wrapper | |
function on(el, ev, callback) { | |
if (el.addEventListener) { | |
el.addEventListener(ev, callback, false); |
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<div id="chart"> | |
<h4>Percent of adults over 25 with at least a bachelor's degree:</h4> | |
<p><strong>Median:</strong> <span class="median"></span></p> | |
<small>Source: <cite><a href="http://census.gov">U.S. Census Bureau</a></cite>, via <cite><a href="http://beta.censusreporter.org/compare/01000US/040/table/?release=acs2011_1yr&table=B15003">Census Reporter</a></cite></small> | |
</div> |
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/* | |
You'll need something like this in your HTML: | |
<script src="http://d3js.org/topojson.v1.min.js"></script> | |
*/ | |
L.TopoJSON = L.GeoJSON.extend({ | |
addData: function(jsonData) { | |
if (jsonData.type === "Topology") { | |
for (key in jsonData.objects) { | |
geojson = topojson.feature(jsonData, jsonData.objects[key]); |
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license: gpl-3.0 | |
height: 800 |
You don't have to be a slave to OS X! Here's a guide to a sane dual-booting setup with Ubuntu 12.10 on your shiny MacBook Air. This is written and tested for a MacBook Air 5,2 (Mid 2012), but likely works the same with any modern Macbook.
Install according to instructions at this URL: