I have a raster showing a map with a lot of fine-scale structure (water depths and rivers) in QGIS, and I'd like to make the structure visible when the plot is low resolution.

Up close, I have beautiful plots showing connected flow paths:

Zoomed-in river map

However, when I zoom out, the water appears pixelated and the flow paths and connections are completely lost:

Zoomed-out river map

Is there a way I can change the image rendering to make the water appear connected at any resolution?


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