nfb2021/canvodpy-demo-data

canVODpy demo data

One day (2025-001) of GNSS observations of the Rosalia site, Austria: one receiver below the forest canopy and one reference receiver with open sky. It is the demo data of canVODpy, which computes vegetation optical depth (VOD) from GNSS signals (GNSS Transmissometry).

The files are a subset of the canVODpy test data, which is archived on Zenodo (10.5281/zenodo.19708759, all versions); they were built from its commit 077aa69.

Files

File	Holds	Size	sha256
canvodpy-demo-rinex-canopy.zip	RINEX v3.04, canopy receiver, the whole day	31 MB	899f74c3cd238ae0d22e053bfaa49a2db6172835cf3e87256b2fcfe392ceadab
canvodpy-demo-rinex-reference.zip	RINEX v3.04, reference receiver, the whole day	49 MB	4b4af60c39a8cdf665c0d35319272e4ae35b05704b2bc218756773dd74b89753
canvodpy-demo-sbf-canopy.zip	Septentrio SBF, canopy receiver, 00:00 to 02:00	57 MB	ab9049b87154ecf9f7878677adc15b0b14efd194a3dc15191d1ce1b88e29dd9e
canvodpy-demo-sbf-reference.zip	Septentrio SBF, reference receiver, 00:00 to 02:00	64 MB	c4686e100f7330e7f2d13f837cfe05649a2c52a0f5986729f513bc86d72f4e64
canvodpy-demo-aux.zip	SP3 orbits and CLK clocks of CODE (COD0MGXFIN), 2024-12-31 to 2025-01-02, and the auxiliary store of 2025-01-01	152 MB	d9ccb764bb8031ccff484559255e1b156bafa962e91c9142fd2fd8065d781256

Each zip unpacks into the folder layout of the canVODpy test data, so all of them can be unpacked into the same folder.

Use

canVODpy downloads, checks and unpacks the files itself:

from canvodpy import demo_data

root = demo_data("rinex")  # RINEX v3.04, the whole day
root = demo_data("sbf")    # SBF, 00:00 to 02:00
root = demo_data("aux")    # SP3 orbits, CLK clocks, auxiliary store

It checks each zip's sha256 and reads the files of commit 96ee47a817460e2a21b815c2bf5a72618533cf9f, so a later change to this repository never changes what a released canVODpy downloads.

Citation

Cite canVODpy (10.5281/zenodo.18496233) and the test data it comes from (10.5281/zenodo.19708759).

License

Apache License 2.0, as the test data.