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Added the purejsimage/geo raster API with CRS and affine grid metadata, resolution levels,
bands and non-spatial axes, bounded pixel and world views, target-grid comparison, caller-supplied
coordinate transforms, inverse-mapped reprojection, and the existing band math, terrain,
statistics, histogram, and line-profile operations.
Added lazy geo readers for GeoTIFF and COG, GeoZarr v2 and v3, world-file TIFF, JPEG, and PNG,
georeferenced ENVI, Esri ASCII Grid, SRTM HGT, and classic NetCDF CDF-1 and CDF-2 files with
regular rectilinear CF coordinates. The readers preserve native sample values, selected
multidimensional axes, cancellation, source ownership, and bounded region access where the
source format permits it.
Added a generated geo compatibility manifest and deterministic CI benchmarks for remote COG,
sharded and multidimensional GeoZarr, ENVI, classic NetCDF, and identity reprojection. The
benchmark records request, byte, cache, chunk, shard, pixel, timing, and memory evidence while
enforcing selective reads and output correctness.
Added the /geo/ browser demo with deterministic local fixtures, public Kentucky aerial imagery,
a USGS Grand Canyon elevation COG, pan and zoom controls, hillshade, live range telemetry, clear
loading and error states, and copyable examples for the active GeoTIFF or GeoZarr view.
Changed
The installed-package Geo consumer now runs deterministic range-backed GeoTIFF and
multidimensional GeoZarr workflows through the public Geo, scientific, and tile-runtime entries.
It also checks stable resource identity, cancellation ownership, exact cleanup, reprojection, and
a browser Worker bundle. The Geo architecture guide now documents this application pattern.
GeoTIFF overview levels now derive their affine transform when an overview repeats CRS metadata
without its own model transform. Hillshade reads its required one-pixel source border without
weakening the 196,608-pixel output limit, and geo views preserve exact nodata values and source
level identity. Geo reprojection policies, serialized plans, and result provenance now preserve
caller-supplied full-range int64 and uint64 nodata as canonical decimal strings.