LYNN LEE / ENGINEERING LAB 04

See what your coordinates mean.

Put a point on a boundary. Join observations to regions. Find an implausible jump in a trajectory. Small, inspectable spatial experiments that run entirely in your browser.

WGS84 · regional 2DGeoJSON in, results outNo map key required

The workbench

LOCAL COMPUTATION / NO UPLOAD

Include boundary

Polygon
Longitude
Latitude

Loading the synthetic region…

WGS84 · Regional coordinate plot · no basemap—

Measure the work avoided.

SEED 42

Full pair scan vs bounding-box prefilter. Same seeded points, same exact geometry, verified equal results.

01 / LEARN BY DOING

Follow the experiments →

Make a prediction, inspect a result, then bring your own input.

02 / KNOW THE BOUNDARIES

Read the methods & scope →

Understand the checks, formats, assumptions and limitations.