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| |
| # Raster Test Files |
| |
| This directory contains raster files used for testing Sedona's raster functionality. |
| Files are sourced from public datasets and the [Apache Sedona test resources](https://github.com/apache/sedona/tree/master/spark/common/src/test/resources/raster). |
| |
| ## Public Dataset Tiles |
| |
| These are small cropped tiles from well-known public raster datasets. All permit free redistribution. |
| |
| - `naip.jp2`: A 512x512 JPEG 2000 tile from the [NAIP](https://www.usgs.gov/centers/eros/science/usgs-eros-archive-aerial-photography-national-agriculture-imagery-program-naip) (National Agriculture Imagery Program), 3 bands, 0.6m resolution, NAD83 / UTM zone 10N. NAIP imagery is U.S. public domain. |
| - `landsat8.tif`: A 512x512 GeoTIFF tile from [Landsat 8](https://www.usgs.gov/landsat-missions/landsat-8) (USGS/NASA), 1 band, 30m resolution, WGS 84 / UTM zone 46N. Landsat data is U.S. public domain. |
| - `sentinel2.tif`: A 512x512 GeoTIFF tile from [Sentinel-2](https://sentinels.copernicus.eu/web/sentinel/missions/sentinel-2) (ESA/Copernicus), 1 band, 10m resolution, WGS 84 / UTM zone 14N. Contains modified Copernicus Sentinel data. Licensed under the [Copernicus Sentinel Data Terms](https://sentinels.copernicus.eu/documents/247904/690755/Sentinel_Data_Legal_Notice), free and open access. |
| - `alphaearth.tiff`: A 128x128 GeoTIFF tile from the [AlphaEarth Foundations Satellite Embedding](https://developers.google.com/earth-engine/datasets/catalog/google_research_open_buildings_temporal_v1) dataset, 64 bands (Int8), WGS 84 / UTM zone 10N. Licensed under [CC-BY 4.0](https://creativecommons.org/licenses/by/4.0/). Attribution: "The AlphaEarth Foundations Satellite Embedding dataset is produced by Google and Google DeepMind." |
| |
| ## Test Files from Apache Sedona |
| |
| These files originate from the [Apache Sedona repository](https://github.com/apache/sedona/tree/master/spark/common/src/test/resources/raster), licensed under Apache License 2.0. |
| |
| - `test1.tiff`: A 512x517 single-band GeoTIFF (Byte) |
| - `test1.asc`: A 2x2 Esri ASCII Grid (cellsize 30) |
| - `test2.tif`: A 1491x1387 GeoTIFF with 3 bands (Byte, RGB) |
| - `test3.tif`: A 32x32 GeoTIFF with 4 bands (UInt16, LZW compressed) |
| - `test4.tiff`: A 10x10 single-band GeoTIFF (Byte) |
| - `test5.tiff`: A 1440x720 single-band GeoTIFF (Byte, palette color) |
| - `test.nc`: A NetCDF file (512x512) |
| |
| ## Test Files from georust/gdal |
| |
| These files originate from the [georust/gdal repository](https://github.com/georust/gdal/tree/master/fixtures), MIT licensed. |
| |
| - `tinymarble.tif`: A 100x50 GeoTIFF (Byte, RGB), no CRS |
| - `labels.tif`: A 186x169 single-band GeoTIFF (Byte), WGS 84 / UTM zone 17N, NoData=255, 3 classes |
