Quiz – Data Access

What is the difference between using an openEO remote back-end and openEO Python Client-Side-Processing? Tick what is correct. Answer in exercise: 23_data_access_lazy_loading.ipynb

You need an account to authenticate in both cases
You don't need an account with Client-Side Processing
Client-side processing does not interact with an openEO back-end

What are the dimension names of the loaded datacube? Answer in exercise: 23_data_access_lazy_loading.ipynb

northing, easting, time, spectral
lat, lon, t, bands
x, y, t, bands

How many time steps are left after filtering temporally 2022-05-10, 2022-06-30? Answer in exercise: 23_data_access_filter.ipynb

11
21
32

Filtering: How many pixels are left along y after using filter_bbox with spatial_extent = {"west": 11.259613, "east": 11.406212, "south": 46.461019, "north": 46.522237} ? Answer in exercise: 23_data_access_filter.ipynb

1006
1145
489

What would be a use case for reducing the time dimension? Tick what is correct.

Get a full time series graph
Getting a cloudfree image for a certain time range
Get information about a whole sesaon
Filling gaps in a time series

What are the dimension names after running reduce_spatial?

x, y, bands
time, x, y
time, bands

How many pixels are left in the datacube after we use reduce_dimension over band? Answer in exercise: 23_data_access_reduce.ipynb

Cubes & Clouds

Concepts

Quiz – Data Access

EO College

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