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Walk-Time Map

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07-20-2024 07:34 AM
mafatu
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Emerging Contributor

Hi everyone,

I hope everyone is doing well. I took a look to blog posts, tutorials and examples but still could not figure out how to solve my problem.

I have a park locations point shape file and a walking speed raster derived from a slope map and Tobler's hiking function. I want to create a final raster to show 5, 10 and 15-minute walking distances from park locations, considering the walking speed (meter/minute) raster.

I also followed the post below, which is parallel to my goal, but the my results so far are different than they got.

Then, I will try to connect this raster with local population data.

I tried using the Cost Distance, Distance Accumulation and Distance Allocation tools, but the results I got seemed odd. I don't want to use Network Analysis as I'm ignoring road network data because people can walk over anywhere they would find during an emergency. I would be happy if you share your suggestions.

Thanks!

Geologist
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