hrwgc

This script processes VIIRS Nighttime Lights 2012 GeoTIFFs from the Earth Observation Group at NOAA National Geophysical Data Center to prepare them for rendering in TileMill and uploading to MapBox Hosting.

Read Lights of the Night on MapBox to learn more about NPP the functions of this script.

hrwgc

import scraperwiki
import urllib2, urllib
import re, os
import sqlite3
import uuid
from bs4 import *
import lxml
import unicodedata
from time import sleep

hrwgc

import urllib2, urllib
import re, os
import sqlite3
import uuid
import contextlib
from bs4 import *
import csv         
import unicodedata

hrwgc

SELECT
ntile,
CAST(avg(length) AS INTEGER) AS avgAmount,
CAST(max(length) AS INTEGER)  AS maxAmount,
CAST(min(length) AS INTEGER)  AS minAmount 
FROM (SELECT length, ntile(6) OVER (ORDER BY length) AS ntile FROM countries) x
GROUP BY ntile
ORDER BY ntile;

hrwgc

hrwgc

create table 
closest_point as 
select distinct on (a.featureid) a.featureid as image_id,
 (select b.eventid from fl_events as b order by st_distance(a.wkb_geometry,b.wkb_geometry) limit 1) as event_id,
 a.wkb_geometry from images as a,
 fl_events as b;

update images set eventid = closest_point.event_id from closest_point where images.featureid = closest_point.image_id;

hrwgc

#!/usr/bin/env python
import os

def CopyToClipboard(text):
    cmd = "echo '%s' | tr -d \"\\\n\" |  pbcopy" % text
    os.system(cmd)

hrwgc

function clean_git_branches(){
  git checkout master;
  BRANCHES=`git branch | grep -Ev '^\s{0,}\*{0,}\s{0,}master$'`
    git branch -D ${BRANCHES[@]}
}

hrwgc

Landsat 4-5	Wavelength	Landsat 7	Wavelength	Landsat 8	Wavelength (micrometers)
			Band 1 - Coastal aerosol	0.43 - 0.45
Band 1	0.45-0.52	Band 1	0.45-0.52	Band 2 - Blue	0.45 - 0.51
Band 2	0.52-0.60	Band 2	0.52-0.60	Band 3 - Green	0.53 - 0.59
Band 3	0.63-0.69	Band 3	0.63-0.69	Band 4 - Red	0.64 - 0.67
Band 4	0.76-0.90	Band 4	0.77-0.90	Band 5 - Near Infrared (NIR)	0.85 - 0.88
			Band 9 - Cirrus	1.36 - 1.38
Band 5	1.55-1.75	Band 5	1.55-1.75	Band 6 - SWIR 1	1.57 - 1.65
Band 7	2.08-2.35	Band 7	2.09-2.35	Band 7 - SWIR 2	2.11 - 2.29

hrwgc

#!/bin/bash

# simple function to check http response code before downloading a remote file
# example usage:
# if `validate_url $url >/dev/null`; then dosomething; else echo "does not exist"; fi


function validate_url(){
  if [[ `wget -S --spider $1  2>&1 | grep 'HTTP/1.1 200 OK'` ]]; then echo "true"; fi
}