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Trygve 2024-05-08 00:16:34 +02:00
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@ -40,7 +40,9 @@ Our program is 1,36 times slower than gdal_contour wich is bad considering ours
The running on 12 threads yields a nice speedup 3,05 times. The running on 12 threads yields a nice speedup 3,05 times.
The program assumes the whole heightmap can fit in memory, this is not a problem for heightmaps from [hoydedata.no](https://hoydedata.no/LaserInnsyn2/) as the maximum tile size is about 700mb. The program assumes the whole heightmap can fit in memory, this is not a problem for heightmaps from [hoydedata.no](https://hoydedata.no/LaserInnsyn2/) as the maximum tile size is about 700mb.
# Functionality of special interest # Functionality of special interest
## Trygve ## Trygve
I can created a blur method that performs a simple box blur on the whole heigtmap. This is usefull to smooth out noise and create a more readable output. I can created a blur method that performs a simple box blur on the whole heigtmap. This is usefull to smooth out noise and create a more readable output.
I wanted to implement a gaussion blur, and the code is ready for that, but in the end we became short on time. I wanted to implement a gaussion blur, and the code is ready for that, but in the end we became short on time.