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Add terrain tiles, with elevations encoded as RGB values.#660

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brawer wants to merge 2 commits into
protomaps:mainfrom
brawer:terrain
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Add terrain tiles, with elevations encoded as RGB values.#660
brawer wants to merge 2 commits into
protomaps:mainfrom
brawer:terrain

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@brawer
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@brawer brawer commented May 13, 2026

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Comment thread spec/v3/spec.md Outdated
@bdon
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bdon commented May 13, 2026

The consequences of this spec addition would be:

  1. Inspectors like pmtiles.io can render and inspect Elevation tiles with real values, instead of showing the RGB raw tiles
  2. tooling GDAL in the future can support PMTiles as an elevation source directly, although this would require changes within GDAL

Seeking additional comments, like if we should support encoding:mapbox?

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bdon commented May 15, 2026

Related: mapbox/tilejson-spec#28

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