Maperitive
"Maperitive is a FREE desktop application for drawing maps based on OpenStreetMap and GPS data. You can define what gets on the map and how it is painted. You can also export these maps into bitmaps and SVG files and print them."
gis  mapping  openstreetmap 
17 days ago
Take 2 - A Photo Archive of City Streets - NYTimes.com
about Percy Loomis Sperr, "Official Photographer for the City of New York"
photography  nyc  history 
6 weeks ago
Prospect Park's Ravine Inching Closer to Past - NYTimes.com
"Each rock, from huge boulders to smaller stones, was numbered."
brooklyn  history  park  erratic  news 
7 weeks ago
All Prior Art – Algorithmically generated prior art
All Prior Art is a project attempting to algorithmically create and publicly publish all possible new prior art, thereby making the published concepts not patent-able. The concept is to democratize ideas, provide an impetus for change in the patent system, and to preempt patent trolls. The system works by pulling text from the entire database of US issued and published (un-approved) patents and creating prior art from the patent language. While most inventions generated will be nonsensical, the cost to computationally create and publish millions of ideas is nearly zero – which allows for a higher probability of possible valid prior art.
bot  patent  art 
11 weeks ago
The Vertical Space Problem: Rethinking Population Visualizations in Contemporary Cities
bivariate mapping of population density vs imputed residential floorspace per person
mapping  cartography  population  census 
11 weeks ago
Akitu Festival - Livius
"Akitu: the Babylonian New year's festival, celebrated to honor the supreme god Marduk, his crown prince Nabû and other gods...

On 4 Nisannu, the high priest of the Esagila (šešgallu) opened the festival, saying that the new year had begun"
babylon  calendar  history 
march 2016
An Empirical Study of Algorithms for Point-Feature Label Placement
JON CHRISTENSEN and JOE MARKS and STUART SHIEBER

A major factor affecting the clarity of graphical displays that include text labels is the degree h which labels obscure display features (including other labels) as a result of spatial overlap. Point-feature label placement (PFLP) is the problem of placing text labels adjacent to point features on a map or diagram so as to maximize legibility. This problem occurs frequently in the production of many types of informational graphics, though it arises most often in automated cartography. In this paper we present a comprehensive treatment of the PFLP problem, viewed as a type of combinatorial optimization problem. Complexity analysis reveals that the basic PFLP problem and most interesting variants of it are NP-hard. These negative results help inform a survey of previously reported algorithms for PFLP; not surprisingly, all such algorithms either have exponential time complexity or are incomplete. To solve the PFLP problem in practice. then, we must rely on good heuristic methods. We propose two new methods, one based on a discrete form of gradient descent, the other on simulated annealing, and report on a series of empirical tests comparing these and the other known algorithms for the problem, Based on this study, the first to be conducted, we identify the best approaches as a function of available computation time.
cartography  algorithm  label 
march 2016
Algorithms for the multiple label placement problem
by Konstantinos G. Kakoulis, Ioannis G. Tollis
We consider the problem of positioning text or symbol labels associated with graphical features of two dimensional maps (geographical or technical) or drawings. In many practical applications each graphical feature may have more than one label. The need for assigning multiple labels is necessary to display different attributes of an object. Even though many algorithms exist for the labeling problem, very little work has been directed towards positioning multiple labels per graphical feature in a map or drawing. We refer to this problem as the Multiple Label Placement (MLP) problem. In this paper we present a model and expand the rules that govern a good assignment of several labels per graphical feature. In addition we introduce techniques to solve this problem. We have applied these techniques to drawings of graphs, and we present very encouraging experimental results.
cartography  labels  algorithm 
march 2016
Founders Online: Home
"CORRESPONDENCE AND OTHER WRITINGS OF SIX MAJOR SHAPERS OF THE UNITED STATES:
George Washington, Benjamin Franklin, John Adams (and family), Thomas Jefferson, Alexander Hamilton, and James Madison."
Nicely annotated and linked.
archive  history  usa  epistolary 
february 2016
SpatiaLite: SpatialIndex
this is really rhe best explanation of Spatialite SpatialIndex on the internet, which isn't saying much.
spatialite  gis  sql 
november 2015
All about ZIP Codes: 2010 Supplement
includes zip code to zcta look up table
census  usa  zipcodes 
november 2015
Ghost Parcels Show How Urban Highways Squandered Valuable Land | Streetsblog Chicago
Here’s a great illustration of how incredibly destructive and wasteful it is to run elevated highways through cities. New York City-based artist and planning consultant Neil Freeman, who grew up in Chicago, put together these haunting images of Cook County land parcel maps superimposed over aerials of expressway interchanges in the West Loop, River West, Bridgeport and Chinatown.
chicago  re:fitnr 
october 2015
Soviet Venus Images
"Most of what we know about Venus is derived from the intensive Soviet study of the planet. The only existing images from the surface were returned from four of their landing craft. Attempts to carry phototelevision cameras to Venus in 1962 and 1965 failed, but the Venera-9 orbiter performed the first long-term imaging survey of cloud circulation, in 1975."
venus  photography  astronomy 
september 2015
The Living Wage Map
MIT’s Living Wage Calculator estimates the cost of living (“living wage”) in each of the nation's counties and major metropolitan areas, and compares it to the minimum wage for a variety of household types. Mapped here are three types: parent with spouse and two children, single parent with one child, and single adult.
economy  usa  map  interactive 
september 2015
The True Size Of ...
Yet another map-area comparison tool
map  world  projection 
september 2015
The Historic Counties Trust :: About
two definitions of the borders of historic UK counties
gis  uk  history 
september 2015
Scottish Government Spatial Data File Download
Agricultural Area Office Boundaries
Agricultural Parishes
Cairngorm National Park Boundary
Loch Lomond and Trossachs National Park Boundary
Environmentally Sensitive Areas
Less Favoured Areas
National Scenic Areas
Nitrate Vulnerable Zones
European Structural Fund Areas 2007- 2013
Nomenclature of Units for Territorial Statistics 2 and 3
Community Health Partnerships
Health Board Boundaries
Datazones
Intermediate Geographies
Urban Rural Classifications 2011- 2012
Marine Closed Areas
Marine Planning Zones
Designated Bathing Waters
Salmon Fishery Districts
Shellfish Growing Waters
scotland  gis  data 
august 2015
Temple offerings (satukku)
> This is part of a list of grain offering (sá -dull su-a gi-na) for 12 deities. It was part of a larger tablet, with the edges having been purposefully cut off and the edges smoothed. The tablet has small fine writing, with 2 columns each side and a total of 109 lines. On column iii, lines 17-21 state: "sá-dull dingir-re-ne / 1800 se-gur / 40 gig gur / sà-gal-màs-anse/ sà-na-ga-ab-tùm". The 12 deities are: dSIG7 (Imma) --danzu musen-UD.UD, dSIG7-ki-an-ki, nin-tuk? xx mas, dnin-ri-unu-ki, dnin-urta-gal, dAB x HA-GIS.ÙH-ki, dnin-du6-du-e, dlama-lugal-danzu musen-UD.UD, den-lil, ddumu-zi-da-x-a-bi, dli-si4. This is followed by amounts of grain for the drink of the king, the asses, rations for the boatmen, the "ma-lah4-sà", for a diviner, for the man of Zimad. Each is noted as being "kísib" (PN), or a "professional name"
babylon  caly  tablet  cuneiform  library  book  cfba-talk 
august 2015
Natural Spaces - Scottish Natural Heritage
scottish natural and protected areas geodata
scotland  geodata  archive 
august 2015
fitnr/twittergeo · GitHub
I wrote a quick Python module for downloading geotagged tweets to GeoJSON format. Let me know how it works for you!
from twitter
july 2015
fitnr/censusgeocode · GitHub
I forgot that I made a Python library for the Census Geocoder API. It’s dependency-free in Python3 !
from twitter
july 2015
Flickr - Photo Sharing!
tfw you make a map about Flickr photos but forget to post the picture to Flickr because who uses Flickr
from twitter
july 2015
Geograph Britain and Ireland - photograph every grid square!
While i've been a fan of confluence for decades (~1.3 decades), I was most immediately inspired by:
from twitter
july 2015
Flickr - Photo Sharing!
How many presidential libraries can you fit on the park land U Chicago wants to grab? The answer will surprise you!
from twitter
july 2015
An agreement of the people, 28 October 1647
An agreement of the people for a firm and present peace upon grounds of common right and freedom, as it was proposed by the agents of the five regiments of horse, and since by the general approbation of the army offered to the joint concurrence of all the free commons of England
law  history  uk  english.civil.war  new.model.army  rights 
july 2015
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