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Web downloading utilities

CDDIS Archive Data downloader utilities.

Attributes

FTP_HOST module-attribute

Python
FTP_HOST = 'gdc.cddis.eosdis.nasa.gov'

Classes

InvalidCDDISRequest

Bases: error_perm

Invalid e-mail authentication on CDDIS platform or file requested not found

Functions:

cddis_ftps_archive_downloader

Python
cddis_ftps_archive_downloader(directory: str, filename: str, email: str, out_dir: str | Path) -> Path

Utility to download data from the CDDIS products archive.

Parameters:

Name Type Description Default
directory str

directory on the server where to find the product to be downloaded

 required
filename str

name of the product to be downloaded

 required
email str

user e-mail for authentication purposes

 required
out_dir str | Path

output directory where to save the downloaded file

 required

Returns:

Type Description
Path

Path to the downloaded file on disk

Ionosphere TEC maps downloader utilities.

Functions:

download_ionospheric_tec_maps

Python
download_ionospheric_tec_maps(acq_date: PreciseDateTime, center: IonosphericAnalysisCenters, auth_email: str, output_dir: str | Path) -> Path

Fetching the ionospheric map for the acquisition time and analysis center provided from NASA CDDIS archive.

Parameters:

Name Type Description Default
acq_date str

time of interest to retrieve the correct ionospheric data

 required
center PreciseDateTime

ionospheric map analysis center

 required
auth_email str

authentication e-mail of the user registered on the CDDIS portal

 required
output_dir str | Path

path to output directory where to save downloaded file

 required

Returns:

Type Description
Path

path to the downloaded map

Troposphere products downloader utilities.

Attributes

Classes

TroposphericWebArchives

Bases: Enum

Tropospheric web archives where to download data from

Attributes

CDDIS class-attribute instance-attribute
Python
CDDIS = 'https://cddis.nasa.gov/archive/gnss/products/troposphere/zpd'
VMF class-attribute instance-attribute
Python
VMF = 'https://vmf.geo.tuwien.ac.at/trop_products/'

Functions:

download_tropospheric_products

Python
download_tropospheric_products(acq_date: PreciseDateTime, output_dir: str | Path, map_type: TroposphericMapType = TroposphericMapType.VMF3, map_grid_resolution: TroposphericGRIDResolution = TroposphericGRIDResolution.FINE) -> list[Path]

Fetching the tropospheric products for the input acquisition time from VMF archive.

Parameters:

Name Type Description Default
acq_date PreciseDateTime

acquisition date of interest

 required
output_dir str | Path

path to output directory where to save downloaded files

 required
map_type TroposphericMapType

tropospheric product map type, by default TroposphericMapType.VMF3

 VMF3
map_grid_resolution TroposphericGRIDResolution

tropospheric GRID product map resolution, by default TroposphericGRIDResolution.FINE

 FINE

Returns:

Type Description
Path

list of downloaded products Paths