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Apr 9, 2025
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add media type recommendations #6

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add media type recommendations
philvarner Apr 8, 2025
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philvarner Apr 8, 2025
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3 changes: 2 additions & 1 deletion CHANGELOG.md
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Expand Up @@ -9,7 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

### Added

- Add HSI extension initial description [#1](https://github.com/pomadchin/hsi/pull/1)
- Add media type recommendations
- Add HSI extension initial description
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Do we wanna keep track of the PRs in the changelog? I can't readjust it later as well.


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26 changes: 22 additions & 4 deletions README.md
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Expand Up @@ -21,10 +21,28 @@ Properties or `Item Asset` Fields to simplify items search. It may be extended w

## Item Properties or Asset Fields

| Field Name | Type | Description |
| -------------------- | ------------------------- | ----------- |
| hsi:wavelength_min | \[number] | **REQUIRED**. Min center wavelength of the item, in micrometers (μm) |
| hsi:wavelength_max | \[number] | **REQUIRED**. Max center wavelength of the item, in micrometers (μm) |
| Field Name | Type | Description |
| ------------------ | --------- | -------------------------------------------------------------------- |
| hsi:wavelength_min | \[number] | **REQUIRED**. Min center wavelength of the item, in micrometers (μm) |
| hsi:wavelength_max | \[number] | **REQUIRED**. Max center wavelength of the item, in micrometers (μm) |

## Media Types

This section describes the recommended media types to use for various hyperspectral
image formats.

| Name | Media Type | Notes |
| ----------------------------- | -------------------------------------------------------- | ------------------ |
| GeoTIFF | image/tiff; application=geotiff | |
| Cloud-optimized GeoTIFF (COG) | image/tiff; application=geotiff; profile=cloud-optimized | |
| HDF | application/x-hdf | |
| HDF5 | application/x-hdf5 | |
| NetCDF | application/netcdf | |
| Zarr | application/vnd.zarr | |
| ENVI Data | application/vnd.nv5.envi-data | New recommendation |
| ENVI Header | application/vnd.nv5.envi-header | New recommendation |

Many of these media types are defined in the [PySTAC](https://pystac.readthedocs.io/) module [pystac.media_type](https://pystac.readthedocs.io/en/stable/api/media_type.html).

## Contributing

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