jlivni’s gists

jlivni / gist:2925302

Created June 13, 2012 17:08

binary data for webgl

	#appengine python
	values = [1,2,3,4]
	values = array('f',values)
	response.out.write(values.tostring())

	//JS loading
	var xhr = new XMLHttpRequest();
	xhr.open('GET', '/path/to/file', true);
	xhr.responseType = 'arraybuffer';

jlivni / gist:3419113

Created August 21, 2012 20:26

	#!/usr/bin/env python

	import gdal
	import gdalnumeric
	import sys
	import numpy

	# =============================================================================
	def Usage():
	print('Usage: elev2rgb.py elevation_file blue_file output_file')

jlivni / index.html

Last active December 11, 2015 17:48

topojson on gmaps

	<!DOCTYPE html>
	<html>
	<head>
	<style type="text/css">
	html, body, #map_canvas { height: 100%; margin: 0;}
	</style>
	<script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?sensor=false"></script>
	<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
	<script src="https://raw.github.com/mbostock/topojson/master/topojson.js"></script>
	<script src="https://raw.github.com/JasonSanford/GeoJSON-to-Google-Maps/master/GeoJSON.js"></script>

jlivni / map.geojson

Created August 15, 2013 00:08

via:geojson.io

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jlivni / map.geojson

Created August 15, 2013 03:17

via:geojson.io

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jlivni / gist:6602202

Created September 17, 2013 23:31

	function highlightCorrelations(currentMarker){
	// first make all the airports small
	$.each(airports, function(id, marker) {
	marker.setIcon(getIcon(2, 'black'));
	});
	// for each airport correlated to the selected airport, set it's icon to red
	$.each(currentMarker.correlations, function(i, correlation) {
	var marker = airports[correlation[0]];
	marker.setIcon(getIcon(correlation[1], 'red')); //getIcon returns a circle symbol
	});

jlivni / natural earth vs freebase

Last active December 24, 2015 15:39

Natural Earth vs Freebase - non matching country names (python dict at bottom). Freebase from non dissolved countries in type /location/country that had population >0

	Freebase
	------------------
	Abkhazia
	Bonaire
	Buganda
	Burma
	Christmas Island
	Cocos (Keeling) Islands
	Collectivity of Saint Martin
	East Timor

jlivni / jsv2 polygons to geojson

Last active August 29, 2015 13:56

	// gmaps js api v2 polygon overlays -> geojson
	overlayToGeoJSON = function(o){
	var feature={type:'Feature', geometry:{ type:'Polygon', coordinates:[[]]}};
	for (var i=0; i < o.latlngs.length; i++){
	feature.geometry.coordinates[0].push([o.latlngs[i].lng + o.reflng, o.latlngs[i].lat + o.reflat])
	}
	feature.properties = {hint:o.hint, html: o.infohtml}
	return feature;
	}
	var results={type: "FeatureCollection", features: []};

jlivni / gme exp2 layer create

Created March 28, 2014 15:24

	def CreateLayer(http, project_id, table_id, title, description, tags):
	"""Create a styled polygon Layer from a Table; display a status when complete.

	Args:
	http: http, authenticated http object.
	project_id: string, id of the GME project.
	table_id: string, the id of the source table.
	title: string, the title of the layer.
	description: string, the description of the layer.
	tags: list, list,of,tags.

jlivni / index.html

Last active August 29, 2015 14:27 — forked from javisantana/index.html

	<!DOCTYPE html>
	<html>
	<head>
	<title>Leaflet multilayer example \| CartoDB.js</title>
	<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
	<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
	<link rel="shortcut icon" href="http://cartodb.com/assets/favicon.ico" />
	<style>
	html, body, #map {
	height: 100%;

Josh Livni jlivni