jonblatho’s gists

jonblatho / zcta-block.py

Last active March 30, 2021 04:32

Calculates the population of ZIP Code Tabulation Areas (ZCTAs) which intersect with Howell County, MO

	import shapefile
	from shapely.geometry import shape

	def __shapely_polygon__(s):
	return shape(s.shape.__geo_interface__)

	# Read Missouri census block shapefile
	block_file = shapefile.Reader("block/tabblock2010_29_pophu.shp")
	# Obtained from https://www.census.gov/geographies/mapping-files/2010/geo/tiger-data.html
	# Read ZIP code tabulation area shapefile

jonblatho / circle_overlap_area.py

Created February 18, 2020 20:22

	# Calculates the overlap area between two circles of radii r1 and r2 with
	# center points d apart.
	def circle_overlap_area(r1, r2, d):
	try:
	# Expression from http://mathworld.wolfram.com/Circle-CircleIntersection.html
	return r2*2 acos((d2+r22-r1*2)/(2dr2))+r12acos((d2-r22+r1*2)/(2dr1)) - 1/2sqrt((-d+r2+r1)(d+r2-r1)(d-r2+r1)*(d+r2+r1))
	except:
	# A few possible cases if there's a math domain error...
	if r1 == r2 and d == 0:
	# Identical circle radii and center points

jonblatho / UIStackView+attachToScrollView.swift

Last active June 24, 2019 03:33

	extension UIStackView {
	/**
	Fills the given scroll view with this stack view. This method automatically creates
	and activates constraints and adds the stack view to the scroll view.

	- parameter scrollView: The scroll view into which this stack view should be inserted.
	*/
	internal func attachToScrollView(_ scrollView: UIScrollView) {
	// Add this stack view to the given UIScrollView
	scrollView.addSubview(self)

jonblatho / minimal-swift.Dockerfile

Created June 28, 2018 23:22 — forked from jjacobson93/minimal-swift.Dockerfile

	FROM swift:4

	WORKDIR /build
	COPY Sources ./Sources
	COPY Package.swift .

	RUN swift package resolve
	RUN swift build

	COPY pkg-swift-deps.sh /usr/bin/pkg-swift-deps

jonblatho / PointInPolygon.swift

Last active February 23, 2025 18:44

Some Swift code to determine whether a point is inside a polygon.

	/// Contains the coordinates of a point in a 2D Cartesian coordinate system.
	public struct Point: Hashable {
	/// The x-coordinate of the point.
	public var x: Double
	/// The y-coordinate of the point.
	public var y: Double
	}

	extension Array where Element == Point {
	/// Returns only the unique points in the array.

jonblatho / asos-filter.py

Last active January 5, 2018 03:50

	import sys
	import re
	import fileinput

	# This script takes a list of air temperatures extracted from historical METARs
	# obtained from https://mesonet.agron.iastate.edu/request/download.phtml.
	#
	# Use it in the command line with something along the lines of
	# $ python2.7 asos-filter.py asos-1997.csv
	# where the parameter is the text file you want to filter through. It only

jonblatho / HomeTableViewController.swift

Last active December 22, 2017 22:34

	//
	// HomeTableViewController.swift
	//
	// Created by Jonathan Thornton on 12/22/17.
	// Copyright © 2017 Jonathan Thornton. All rights reserved.
	//

	import UIKit

	class HomeTableViewController: UITableViewController {

jonblatho / ModelName.swift

Last active August 19, 2024 18:02

An easy way to get a pretty name for an iOS device model.

	import UIKit

	extension UIDevice {
	/// A "pretty" device name for the machine identifier.
	///
	/// Current for devices supporting iOS 9 and later and tvOS 9 and later, as of WWDC 2019.
	var modelName: String {
	var machineString = String()

	var systemInfo = utsname()

jonblatho / keybase.md

Created July 28, 2016 17:53

I hereby claim:

I am jonblatho on github.
I am jonblatho (https://keybase.io/jonblatho) on keybase.
I have a public key whose fingerprint is 6917 A05E 6986 965B C18B E13E 027C D5CD BAFF 8E89

To claim this, I am signing this object:

Jonathan Thornton jonblatho