WLOC

Use cases

How can map SDK teams verify coordinate conversion issues?

How can map SDK teams verify coordinate conversion issues? WLOC provides a no-jailbreak workflow for target selection, profile saving, supported setup links, and diagnostics in owned or authorized iOS app tests.

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Problem

Map SDK location errors often come from coordinate-system mismatch, not GPS. WGS84, GCJ-02, BD-09, provider links, and app-side transforms can put the same landmark hundreds of meters apart.

Solution

WLOC helps SDK teams keep the link, normalized coordinate, conversion result, and target-app display together. That makes it easier to compare basemap position, API output, and in-app pin behavior.

Use WLOC in 3 steps

  1. 1Pick landmarks where offset is obvious.Use plazas, bridges, park gates, campus entrances, or other visually identifiable places.
  2. 2Compare coordinate-system output.Check WGS84, GCJ-02, BD-09, map link parsing, and target-app pin placement side by side.
  3. 3Add offset samples to regression tests.Save links, coordinates, screenshots, and diagnostics so future releases can catch conversion regressions.

Related needs

coordinate conversion坐标转换WGS84 GCJ02 BD09map SDK

Important boundary

WLOC does not jailbreak iOS, does not install system trust materials, does not include a VPN, and does not promise to defeat every app's own permissions, cache, or anti-abuse checks.