Turn Test Live Video Grid Map

Start on any mapped street run, follow the marker through the network, and choose from the real connected exits when you reach a junction, while the analyzed grid sits over the synced street footage.

Map Source

Optional Override Map JSON

The fixed corrected map preloads automatically. Only load another map JSON here if you want to override it for a test.

Street Slots

This page first tries to auto-detect mapped runs from data/street-run-library.json and the canonical street-runs/ folders. This grid copy expects runs that already have mapping JSON, a canonical MP4 for timing, and a grid-analysis prediction manifest.

Uploads can be saved locally in this browser so they come back after reload. The grid-only player is mainly designed for the auto-detected canonical runs.

Grid Colors

Green Red Blue Yellow

Navigation

Start Street

Choose a start street, then begin. When a mapped run ends at a junction, the valid next streets appear below.

Your path through the loaded streets will appear here.

The junction choices for the active street will appear here after you start.

Waiting for your first grid-ready mapped run.

Video Background B/W Grain Video Opacity 35% Grid Opacity 78%

Waiting for grid data.

LOADING

No active street yet.

Turn Map

Street endpoints keep the same 1 and 2 convention as the matcher. The map stays centered on the current position and marks mapped junction points simply.

Street path Nearby context Turn link Junction point

Loaded Runs

These summaries are resolved from the matcher JSON plus the currently loaded map geometry.

Player

Turn Map

Loaded Runs