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Insert graticule layer above tile layers but below vector layers so that map symbols are not obscured by grid labels.
Was zIndex: 1000 which put it above everything. Now zIndex: 1, just above tile layers.
Remove explicit zIndex (which forces layer above all others in OL). Instead insert graticule before the first vector layer in the layer stack, so it renders above tiles but below map features.
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Summary
Adds an MGRS (Military Grid Reference System) graticule overlay to the map, selectable via View → Graticules → MGRS.
Features
32V)KM)3 · 7)32 · 74)Visual
Technical
src/renderer/components/map/mgrsGraticule.jsgeodesy/mgrs.jsfor UTM/MGRS conversionsclipToZone()for per-latitude zone clipping at special zone boundariesverticalLineSamples()adds extra interpolation points at band transitions (56°N, 64°N, 72°N)specs/mgrs-graticule.mdChanges
src/renderer/components/map/mgrsGraticule.js— new MGRS graticule layersrc/renderer/components/map/graticules.js— layer insertion below featuressrc/renderer/components/map/Map.js— pass vectorLayers to graticule registrationsrc/renderer/model/OSDDriver.js— handle coordinates outside UTM limits