Documentation for /cgi-bin/request/raster2netcdf.py
The IEM is perhaps more clever than its own good and stores some RASTER data as the color index value within 8-bit PNG files. This service converts these to more conventional NetCDF files with the actual values.
Changelog
- 2025-09-09: Implemented a four process per web server node throttle, service will return a 503 HTTP status code if the throttle is exceeded.
- 2025-09-04: Updated docs and testing.
- 2025-09-04: A request for a file resource that does not exist will now return a 404 HTTP status code.
Example Usage
Generate a NetCDF file for the N0R product valid at 2017-10-25 12:00 UTC
CGI Arguments
The following table lists the CGI arguments that are accepted by this service. A HTTP GET request is required. Fields of type Multi-Params or CSV value can accept either a comma separated list or multiple parameter and value combinations. For example, ?foo=1&foo=2 is equivalent to ?foo=1,2.
| Field | Type | Description |
|---|---|---|
| dstr | string | UTC Datetime (YYYYmmddHHMI) to request data for |
| prod | string (required) | Product to request |