pytroll / pytroll/satpy

Night side of visible channels masked out in viirs composites

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bug component:compositors help wanted
Dominant language
Python
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Description

Describe the bug
Recently, the night side of viirs composites containing visible channels started to be masked.
Before:

Suomi-NPP_20190317_0608_euron1_overview_sun

Now:
Suomi-NPP_20190317_0608_euron1_overview

To Reproduce

Create an overview composite from a viirs scene during the night

Expected behavior
Showing the night side for these composites is important in some cases

Actual results
See images above

Screenshots
See above

Environment Info:

  • OS: Linux
  • SatPy Version: 0.13.0
  • PyResample Version: 1.11.2

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No file or test is named in the issue. Start by reproducing the problem with an overview composite from a VIIRS scene during the night, comparing the result with the screenshots. Done means the night side is shown for visible-channel VIIRS composites without masking it out.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
data-visualization
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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