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Tile artifacts in the rendered NO2 dataset #366

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j08lue opened this issue May 1, 2024 · 0 comments
Open
1 task

Tile artifacts in the rendered NO2 dataset #366

j08lue opened this issue May 1, 2024 · 0 comments

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@j08lue
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j08lue commented May 1, 2024

This issue may have been there for a long time, but I only now took a closer look at the tile quality for the NO2 dataset:

https://www.earthdata.nasa.gov/dashboard/data-catalog/no2/explore?projection=mercator%7C%7C&basemapid=satellite&datetime=2016-01-01T00%3A00%3A00.000Z&position=11.845%7C44.8161%7C6.83

These artifacts seem more striking than they need to be:

image
image

Also further zoomed out:

image

Tile interpolation issue?

This is how tiles compare that use nearest neighbour or bilinear interpolation - it does not seem to be a tile-level interpolation issue?

https://staging-raster.delta-backend.com/mosaic/cfa5568f19003ffe39f4f05c9a38b481/tiles/WebMercatorQuad/7/67/45?assets=cog_default&resampling=bilinear&bidx=1&color_formula=gamma+r+1.05&colormap_name=rdbu_r&rescale=0%2C15000000000000000

image
image

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  • Investigated whether this is something we can improve
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