Erica Fischer

if-then-else. !!Con West 2019 talk

datamaps. Indexes points and lines and generates map tiles to display them

housing-inventory. San Francisco housing construction history and associated data

geotools. Tools for working with geographic data

tile-stitch. Stitch together and crop map tiles for a specified bounding box

ascii. History of ASCII and its predecessors

twitter-oauth. Tiny program to make the Authorization header for the Twitter streaming API

json-pull. Streaming pull parser for JSON in C

twitter-json. The mess I am using to parse Twitter JSON

geotaggers. The Geotaggers' World Atlas

osm-tiger-update. A tool for updating OpenStreetMap with changes that have been made to the US Census TIGER maps since 2006.

osm-animate. Animation of OSM mapping activity

junix. Unix as if JSON mattered

ed. Ed is the standard text editor

gpx-layer. Tools to turn GPX files into a GPS map tracing layer

la-traffic-counts. Extracting Los Angeles's traffic counts from published PDF files

apple2-converters. Programs I wrote many years ago to convert Apple II binary file formats to things that are usable on current systems

colorwheel. Make a key for the datamaps color wheel

snap-carriageways. Try to snap GPS logs to directional carriageways without the help of a base map

cat. Implementations of cat(1) in different languages

ridership-model. Predicting BART ridership from LEHD origin-destination pairs

v6man. Unix Sixth Edition manual

tlid-ways. Mapping from TIGER TLIDs to OpenStreetMap ways

unixio. Asynchronous buffered I/O for Node in the Unix style

learning-to-program. How I learned to program

trafficways. HTML code that I used on trafficways.org

tippecanoe-protomaps. protomaps fork of tippecanoe - build big vector tilesets of thematic data

lzss. Standard and readable implementations of LZSS compression

gpx-import. Fork of http://git.openstreetmap.org/gpx-import.git/

srtm-elevation. Making an image out of the SRTM digital elevation model

high-injury. Chopping roads up into blocks in the manner of SFMTA's high injury streets analysis

cart. Cart cartogram tool from http://www-personal.umich.edu/~mejn/cart/

srtm-gridded-vector. Make vector tiles of SRTM elevation data

trump-tweets. Archive of Trump's old tweets

ttyedit. Code from 1999 Usenix paper "New Tricks for an Old Terminal Driver"

vector-subtract. C

macbinary. Extract the data forks from old Macintosh MacBinary II (.bin) files

vancouver-traffic-counts. Extracting Vancouver's traffic counts from the published HTML files

mkpw. Generate line noise passwords

sf-traffic-counts. Traffic counts from San Francisco Municipal Transportation Agency

posix-multibyte-tests. Things that might go wrong with multibyte characters in Unix shell tools

daily-traffic-counts. Daily pedestrian/bike/vehicle counts and correlations with other data sets

fantasy-transit. Making fantasy transit maps

uber-gps-analysis. Analyzing publically released gps data from Uber

gnu-coding-standards. Revisions of the GNU Coding Standards from the 1990s

illumos-sort. Porting OpenSolaris sort to MacOS

check-one-way. Check GPS traces against OSM ways to find the ones with wrong one-way tagging

kvsoceanvis. Mirrored from https://code.google.com/archive/p/kvsoceanvis/source/default/source

twitter-usenet. Turning tweets into Usenet articles

tiger-test. US Census TIGER as GeoJSON

DroneDB. Free and open source software for aerial data storage.

jstr. If <string.h> did JSON

see-something. The code that I used to make the "See something or say something" maps