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:

Exercises in benchmarking and evals, part 7: DeepSWE, Senior SWE-Bench, napkin math, and winter tires

This is part of a series of exercises on benchmarking, evals, and experimental design (1, 2, 3, 4, 5, 6)1. We're going to look at three questions, which are presented before the answers to give you time to think about the questions before seeing the a…

via Posts on July 23, 2026

Donation recommendations for effective altruists (July 2026)

My recommendation for donors who are American citizens or permanent residents is that they donate directly to high-value political candidates.

via Thing of Things July 22, 2026

Let's Taboo the V-Word

Read this post on Substack.

via Home July 12, 2026

more     (via openring)