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Michal Migurski migurski

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View gist:1854149
> make PKG_CONFIG_PATH=/home/migurski/src/simple-tiles/out/lib/pkgconfig test
cd src && make all
make[1]: Entering directory `/home/migurski/src/simple-tiles/src'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/home/migurski/src/simple-tiles/src'
cd test && make test
make[1]: Entering directory `/home/migurski/src/simple-tiles/test'
cd ../data && make && cd ../test
make[2]: Entering directory `/home/migurski/src/simple-tiles/data'
migurski /
Created Apr 25, 2012
Polygonize a bag of lines
from sys import argv
from shapely.ops import polygonize
from shapely.geometry import asShape, LineString
import json
if __name__ == '__main__':
input = argv[1]
input = json.load(open(input))
migurski / lambert.js
Created May 14, 2012
Lambert projection for Modest Maps
View lambert.js
var LambertProjection = function(lat0, lon0, lat1, lat2, xmin, ymin, xmax, ymax)
var pi = Math.PI, ln = Math.log, pow = Math.pow,
sin = Math.sin, cos = Math.cos, tan = Math.tan,
atan = Math.atan, sqrt = Math.sqrt;
function sec(t) { return 1 / cos(t); }
function cot(t) { return 1 / tan(t); }
function deg2rad(deg) { return pi * deg / 180; }
from sys import argv
from time import time
from glob import glob
from os import stat, kill, getuid
from os.path import basename, dirname, join
from datetime import datetime
from random import choice
from signal import SIGTERM
if __name__ == '__main__':
migurski /
Created Jul 5, 2012
Lambert Conformal Conic implementation with US-specific transformation
>>> usa = USA()
>>> loc = Location(48.38544, -124.72916)
>>> pt = usa.locationProj(loc)
>>> abs(-2109470 - pt.x) < 1
>>> abs( 1532790 - pt.y) < 1
View image-queue.js
function ImageQueue()
var closedRequests = {},
queueList = [],
queueByHref = {},
numOpenRequests = 0,
openRequests = {};
function addImage(href, onload)
migurski /
Created Aug 1, 2012
RemoteFileObject is a simple mapping from HTTP Range headers to a local file-like object
from time import time
from urlparse import urlparse
from httplib import HTTPConnection
from os.path import basename
from cStringIO import StringIO
from datetime import timedelta
from os import SEEK_SET, SEEK_CUR, SEEK_END
class RemoteFileObject:
""" Implement enough of this to be useful:
migurski /
Created Aug 3, 2012
Two scripts for creating heatmap of OSM data size, e.g.
from sys import argv, stdout, stderr
from subprocess import Popen
from os import stat, unlink
from math import log, ceil
from stat import ST_SIZE
from time import time
from ModestMaps.OpenStreetMap import Provider
from ModestMaps.Core import Coordinate
migurski /
Created Sep 9, 2012
Adaptation of Nicolas P. Rougier’s Gray-Scott implementation with the Glumpy dependencies removed
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# -----------------------------------------------------------------------------
# Copyright INRIA
# Contributors: Nicolas P. Rougier (
# DANA is a computing framework for the simulation of distributed,
# asynchronous, numerical and adaptive models.
# This software is governed by the CeCILL license under French law and abiding
migurski /
Created Sep 21, 2012
Merge multiple GeoJSON files into one
from json import load, JSONEncoder
from optparse import OptionParser
from re import compile
float_pat = compile(r'^-?\d+\.\d+(e-?\d+)?$')
charfloat_pat = compile(r'^[\[,\,]-?\d+\.\d+(e-?\d+)?$')
parser = OptionParser(usage="""%prog [options]
Group multiple GeoJSON files into one output file.
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