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Document the decoupled Brīdinājumi selection/detail interaction

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2026-08-22 21:42:24 +03:00
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@@ -87,7 +87,7 @@ Monda Regular and Bold are bundled locally and used by the interface and generat
Brīdinājumi renders the current LVĢMC warning polygons over the same `map_1920x1080`/`map_3840x1440` backgrounds used by Kartes, plus a production border-outline overlay drawn last so it stays crisp above the softened data layer. Warning severity is blurred and filled onto an offscreen layer before compositing, giving the broadcast graphic a feathered rather than hard-edged warning area.
The canvas always renders exactly one operator-selected warning, matching how these graphics are produced for air; there is no multi-warning composite and no on-canvas legend. The title is derived from the selected warning's phenomenon (`Brīdinājums: {phenomenon}`) but stays manually editable. Each warning is listed as a compact phenomenon-icon chip (icon from the already-bundled `lucide-solid` set, keyword-matched against the LVĢMC phenomenon text); clicking a chip both selects it for the map and opens its full text in a dialog rendered through a Solid `Portal` above a dimmed, blurred backdrop, keeping the chip grid uniform regardless of how long an individual warning's description is.
The canvas always renders exactly one operator-selected warning, matching how these graphics are produced for air; there is no multi-warning composite and no on-canvas legend. The title is derived from the selected warning's phenomenon (`Brīdinājums: {phenomenon}`) but stays manually editable. Each warning is listed as a compact phenomenon-icon chip (icon from the already-bundled `lucide-solid` set, keyword-matched against the LVĢMC phenomenon text). Selecting a warning for the map and viewing its full text are deliberately independent actions on the same chip: a checkbox drives map selection, while clicking the chip body opens that warning's full text in a dialog rendered through a Solid `Portal` above a dimmed, blurred backdrop — so an operator can read a warning without disturbing whichever warning is currently on the map. The chip grid stays uniform regardless of how long an individual warning's description is.
The backend returns warning polygons as raw latitude/longitude points; the frontend projects them to pixel space with a per-resolution affine transform (`x = a·lon + b·lat + c`, `y = d·lon + e·lat + f`). Each transform is a least-squares fit of well-spread Latvian cities' real-world coordinates against the pixel positions already validated for these same map backgrounds by Kartes/Faktiskā (`cityCoords.ts` + `mapConsts.ts`), rather than an independently eyeballed calibration. An earlier 4-corner bounding-box version of this projection could not represent the source artwork's rotation/shear and drifted up to ~200px on the 3840 canvas; the affine fit lands within ~35px.