TimSC’s gists

TimSC / parseshp.py

Created December 13, 2017 23:41

Write shapefile to WKT text

	import os
	import shapefile
	from shapely.geometry import Polygon

	if __name__ == "__main__":

	sf = shapefile.Reader("TM_WORLD_BORDERS-0.3.shp")

	assert len(sf.shapes()) == len(sf.records())
	fieldIndex = {}

TimSC / interpolategpx.py

Created November 22, 2017 01:55

Interpolate missing positions in gpx

	import xml.etree.ElementTree as ET
	import dateutil.parser
	from datetime import timedelta

	class Interpolate(object):
	def __init__(self, knownWpts):
	self.knownWpts = knownWpts[:]
	self.knownWpts.sort()

	#for wpt in self.knownWpts:

TimSC / pysync.py

Created November 20, 2017 15:59

Invoke rsync using python/cron

	#!/usr/bin/env python
	import subprocess
	import fcntl
	import os

	if __name__=="__main__":

	lockFina = "docslock"
	fullLockFina = os.path.join(os.path.dirname(os.path.realpath(__file__)), lockFina)

TimSC / getchangesets.py

Created October 18, 2017 20:49

Download a range of changesets from an OSM map server

	import urllib2
	import xml.etree.ElementTree as ET
	import sys
	import time

	if __name__=="__main__":

	top = ET.Element('osm')
	i = 1000000001
	running = True

TimSC / dumpmumps.m

Last active September 29, 2017 09:57

Trying to dump Mumps data

	dumpusers; Dump users functionality

	xmlEscapeApostrophe(string) ; Private ; Escape apostrophe
	;
	n out,x,c
	;
	s out=""
	f x=1:1:$l(string) d
	. s c=$e(string,x)
	. i "'"[c s out=out_"'" q

TimSC / moose.py

Created September 9, 2017 18:24

Affine warp to straighen moose


	from skimage.transform import PiecewiseAffineTransform, warp
	from skimage.io import imread, imshow, imsave
	import numpy as np

	if __name__=="__main__":
	img = imread("IMG_3785.JPG")

	pw = PiecewiseAffineTransform()

TimSC / dkkchart.py

Created September 4, 2017 19:01

DGK Color Tools DKK chart

	#In LAB colour space, DGK Color Tools DKK chart

	img = np.zeros((18, 1, 3))
	img[0,0,:] = [100, 0, 0] #White
	img[1,0,:] = [73, 0, 0] #Grey 4
	img[2,0,:] = [62, 0, 0] #Grey 3
	img[3,0,:] = [50, 0, 0] #Grey 2
	img[4,0,:] = [38, 0, 0] #Grey 1
	img[5,0,:] = [0, 0, 0] #Black
	img[6,0,:] = [52, 74, 54] #Red

TimSC / streambuf.i

Created September 1, 2017 06:43

Using std::streambuf from Python SWIG

	%inline %{
	//Based on http://swig.10945.n7.nabble.com/Using-std-istream-from-Python-tp3733p3735.html
	//Add this to your SWIG interface file
	class CPyOutbuf : public std::streambuf
	{
	public:
	CPyOutbuf(PyObject* obj) {
	m_PyObj = obj;
	Py_INCREF(m_PyObj);
	m_Write = PyObject_GetAttrString(m_PyObj, "write");

TimSC / vectorvsset.cpp

Created August 31, 2017 15:08

Profiling tests to see if vector or sets are faster at sorting

	//g++ -std=c++11 -Wall vectorvsset.cpp -g -pg -o vectorvsset
	//https://stackoverflow.com/questions/24968258/which-is-approach-is-faster-vector-inserted-then-sorted-or-set
	#include <time.h>
	#include <iostream>
	#include <vector>
	#include <set>
	#include <algorithm>
	using namespace std;

	void GenRandom(vector<int32_t> &original)

TimSC / renamesubstr.py

Created August 11, 2017 10:46

Rename files and folders by replacing substring

Tim Sheerman-Chase TimSC