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@IndigoWizard IndigoWizard released this 30 Oct 23:18
· 5 commits to streamlit-app since this release
v1.1.1
1694eb9

NDVI Viewer is a powerful yet accessible tool for satellite image analysis on the fly.

NDVI-Viewer-v1.1.1-Fix App URL: https://ndvi-viewer.streamlit.app/

Whats new

This is a quick fix while trying to find a way to prevent app crash:

Fixing the issue with absent bands in the most recent dataset due to the app st.date_input widget being set to the current date, in which case can have no available satellite images.

It can take some time for satellites images to be captured, processed and added to the dataset, and sometimes, no satellite flew over the area of interest to capture an image. This causes the following issue when the app tries to calculate normalized difference:

ee.ee_exception.EEException: Image.normalizedDifference: No band named 'B8'. Available band names: [].

malloc(): unsorted double linked list corrupted

Now having the default placeholder date set to a two days delay to ensure a better chance to have an image collection with available images within the time range.

NOTE:

  • This does not solve the app crash issue, just the error of absent data when the app starts.
  • The Streamlit Cloud service been crashing for everyone on Oct 30th.
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