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convert  CID10033747.png CID9919714.png CID10033747.png -loop 0 -morph 9 -gravity South -annotate 1x1 "%t" -set delay "%[fx:(t%10!=0 || t==n-1)?10:240]" morph.gif

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#bash_profile location: ~/.bash_profile

# Setting for the UTF-8 terminal support
export LC_CTYPE=en_US.UTF-8
export LC_ALL=en_US.UTF-8

[[ -s "$HOME/.profile" ]] && source "$HOME/.profile" # Load the default .profile

[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm" # Load RVM into a shell session *as a function*

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d3 map showing world admin boundaries. Hover state attibutes and zooming to bounding boxes. Topojson data of Natural Earth Admin 0 - Countries shapefile at 50m resolution.

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This map shows the Natural Earth Admin 0 - Countries shapefile at 50m resolution. Converted to GeoJSON only 4.3MB. Each country is identified by its ISO 3166-1 numeric code.

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This donut chart is constructed from a CSV file storing the populations of various age groups. The chart employs a number of D3 features:

• d3.csv - load and parse data
• d3.scale.ordinal - color encoding
• d3.svg.arc - display arcs
• d3.layout.pie - compute arc angles from data

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--FROM http://blog.mackerron.com/2012/06/01/postgis-2-ubuntu-12-04/

mkdir -p src
 
 
# First install PostgreSQL 9.2, plus contributed packages and any missing prerequisites
# ===
 
# add the Postgres PPA
echo 'deb http://apt.postgresql.org/pub/repos/apt/ precise-pgdg main' \

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import json
from functools import wraps
from flask import redirect, request, current_app

def support_jsonp(f):
    """Wraps JSONified output for JSONP"""
    @wraps(f)
    def decorated_function(*args, **kwargs):
        callback = request.args.get('callback', False)
        if callback:

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if (!Array.prototype.indexOf) {
  Array.prototype.indexOf = function (searchElement /*, fromIndex */ ) {
    "use strict";
    if (this == null) {
      throw new TypeError();
    }
    var t = Object(this);
    var len = t.length >>> 0;

    if (len === 0) {

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function MercatorToLatLon(mercX, mercY) {
 
    var rMajor = 6378137; //Equatorial Radius, WGS84
    var shift  = Math.PI * rMajor;
    var lon    = mercX / shift * 180.0;
    var lat    = mercY / shift * 180.0;
    lat = 180 / Math.PI * (2 * Math.atan(Math.exp(lat * Math.PI / 180.0)) - Math.PI / 2.0);
 
    return { 'Lon': lon, 'Lat': lat };
}

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function LatLonToMercator(lat, lon) {
 
    var rMajor = 6378137; //Equatorial Radius, WGS84
    var shift  = Math.PI * rMajor;
    var x      = lon * shift / 180;
    var y      = Math.log(Math.tan((90 + lat) * Math.PI / 360)) / (Math.PI / 180);
    y = y * shift / 180;
 
    return {'X': x, 'Y': y};
}