GIScience / GIScience/openelevationservice

Add smoothing functionality

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Dominant language
Python
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Description

We use the start and end point of our paths to estimate the slope. For very short paths, we will get a very high slope in case the paths crosses a pixel-boundary (see red path in image)

![Image](https://github.com/user-attachments/assets/067c83e2-764f-4621-840a-503ffdf6ebf4)

while other short paths get a slope of 0 in a very steep terrain, because they don't cross a pixel border (see blue stairs at Tingstätte):

![Image](https://github.com/user-attachments/assets/5164d5da-fca7-4d06-ae13-ef07dd8ba0b9)

.

It would be nice to have a smoothing functionality on the server so the values are adjusted to e.g. 9 nearest neighbours IDW or similar.

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