Product deliverables
Constellr's product deliverables include several layers, which are outlined below.
| Product Deliverables | |
|---|---|
| Images files | TIR and VNIR for your area of interest - cloud optimized geotiff format |
| Quicklooks for thermal and optical data | geotiff format |
| Metadata file | json and xml format, STAC & INSPIRE compliant |
| Cloud Mask | geotiff format : pixel values: 0=clear pixel, 1=contamined pixel (both cloud and shadow pixels) |
| Quality data layer | geotiff format |
| Thumbnails for thermal and optical data | .jpg format |
Metadata conventions
The metadata file provided with the constellr products contains various pieces of information that you can retrieve below:
| Metadata field | Definition |
|---|---|
| area_of_interest_id | Internal aoi id |
| area_of_interest_name | Internal aoi name |
| organization_id | Internal organization id |
| bbox | bbox coordinates of the Area of Interest |
| l1_item_href | Landsat l1 data source |
| l2_item_href | Landsat l2 data source |
| scene_datetime | Image acquisition datetime |
| processing_datetime | Start of constellr processing image datetime |
| cloud_ratio_aoi | Percentage of cloud cover over the aoi |
| na_ratio_aoi | Percentage of nan values over the aoi |
| min_lst | Minimum LVT value (in Kelvin) |
| max_lst | Maximum LST value (in Kelvin) |
| median_lst | Median LST value (in Kelvin) |
| sun_elevation | Sun's elevation angle for a given geographical bounding box and time |
| proj:epsg | Reference projection in epsg |
| proj:shape | The shape of the spatial object in terms of the width and height, or the dimensions of the ara covered |
| proj:transform | The transformation matrix that is used to transform coordinates between different spatial reference systems |
| sat_source | Public data source used for satellite sensors |
| atm_source | Public data source used for atmospheric data |
| requested_area_of_interest | Coordinates of the AOI requested (Polygon) |
| geometry | Coordinates of the Polygon returned |
Data delivery of al data points through constellr's end-user platform via UI download or API.
In case you are curious to leverage any of our data layers for your analysis, please refer to the table summarizing the technical specifications for each of our products.