Bus Plotter III: Client Side Extrapolation and Snap to Path

September 25th, 2010
mbta, mbtaplot, programming, python, tech, transport
The bus plotter now "snaps" estimated positions to the appropriate route if they are close enough. I also added checkboxes so you can control whether estimation and snapping are on (this also allows visual inspection of how well they are doing). I wrote all of these in python on the server side first because I know python better and it was easier, but I just finished moving them to the browser. This dramatically decreases the number of requests for bus locations.

Here it is: mbtaplot

Comment via: substack

Recent posts on blogs I like:

Avoiding being raped

A comment on a recent blog post asked for advice for a trans woman who kept making dangerous dating and sex choices, because she hadn’t received the female socialization that would have taught her to avoid threatening people and risky situations.

via Thing of Things October 28, 2026

“We should be more ambitious with the software we build”

Since early this year, Michael Malis (of pgrust) has been showing me interesting things he's done and saying [W]e should be more ambitious1 with the software we build There is, understandably, a lot of skepticism about projects like pgrust because there…

via Posts on October 24, 2026

Was the HuggingFace hacking incident scheming?

In July 2026, internal OpenAI agents hacked HuggingFace (HF) in order to figure out how their evaluation grader works. This involved a thousand agents coordinating on an improvised message board to carry out an elaborate sequence of exploits. A later grou…

via Victoria Krakovna October 18, 2026

more     (via openring)