Google Colab Open Access Trial
Run the Gamma Earth S2DR3 or S2DR4 open access trial in Google Colab.
Use the Google Colab open access trial to run a Gamma Earth S2DR3 or S2DR4 demo without setting up a local machine.
Available Notebooks
| Notebook | Purpose |
|---|---|
| S2DR3 Colab trial | Run the S2DR3 demo workflow. |
| S2DR4 Colab trial | Run the S2DR4 demo workflow. |
Before You Start
- Select a T4 GPU instance from Colab's runtime settings.
- Optionally link Google Drive if you want output files stored there.
- Use coordinates in
(longitude, latitude)order. - Check Sentinel-2 scene availability before choosing a date.
Archive images are available from January 1, 2018 onward.
What the Trial Runs
The trial helper processes a 4x4 km bounding box around the target location. It selects the Sentinel-2 catalogue date closest to your requested date. The selected image may be occluded by clouds, so check scene availability before running the notebook.
S2DR3 Example
import s2dr3.inferutils
lonlat = (-83.74, 43.44)
date = "2025-07-20"
s2dr3.inferutils.test(lonlat, date)
S2DR4 Example
import s2dr4.inferutils
lonlat = (121.9058, 17.2165)
date = "2022-03-18"
s2dr4.inferutils.test(lonlat=lonlat, date=date)
Outputs
The notebook writes generated products to:
/content/output
The output products include:
| Product | Description |
|---|---|
| MS | 10-band multispectral image. |
| TCI | True color RGB image. |
| NDVI | Pseudo-color NDVI image. |
| IRP | Infrared pseudo-color image. |
The multispectral band order is B02, B03, B04, B05, B06, B07, B08, B8A, B11, and B12.
Downloading Outputs
One Colab example shows converting a Google Cloud Storage path to an HTTPS URL:
save_url_MS = save_path_MS.replace("gs://", "https://storage.googleapis.com/")
The examples also show direct downloads of TCI and IRP products with wget.
Use generated output paths from your own run rather than copying example paths.
Trial License
The Colab sources say the software is provided for testing, performance evaluation, and validation. For extended functionality, commercial use, or other enquiries, contact Gamma Earth.