Using Serval to Fix Rasters

See what I mean? Those bumps don’t look natural. They look like they’re from errors arising from resizing the image pixels.
I ran GDAL’s Slope analysis on the first DEM and set it to be semitransparent before setting it on top. This technique is great for making steep drop-offs like the Mugubu Canyon really pop but it also highlights these unsightly anomalies because they’re very steep even if they have small ranges in actual elevation values.
Step 0. The hole.
Step 1. I created a virtual polygon vector around the deepest part of the hole to select the region and then I used the paint bucket tool to assign them all a value that I chose from the surroundings with the color picker.
Step 2. I made a larger virtual polygon selection area and then ran a 3x3 smoothing tool over the whole area.




Maps, conservation, insects, film, boats, scuba diving

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Andrew Middleton

Andrew Middleton

Maps, conservation, insects, film, boats, scuba diving

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