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German Khokhlov
f01200b467
The far-zoom heatmap now uses the ½× grid (4096 × 2048, ≈10 km per pixel, one-pixel blur), so a lone fire's spot matches its marker at the 3,000 km hand-off. The spot size slider and its share option are gone. Markers and heatmap are both kept built at every zoom and cross-fade by camera height between 2,400 and 3,600 km on every frame, so a fast zoom never shows a beat with neither. The heatmap fades by imagery alpha: hiding a Cesium imagery layer unmaps it from the globe tiles, and showing it again re-mapped them late, which was the gap at the band edge. Under the markers the heatmap is built 150 ms after the data or filter changes.