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Realism, reality, and routes: Evaluating cost-surface and cost-path algorithms

Kantner, John·2012·Unpublished
DOI 10.13140/2.1.1765.4725
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DataCite · 10.13140/2.1.1765.4725

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  • Computational limitations necessitated the use of the 50m OS Terrain 50 DEM over more accurate data sources such as the 5m OS Terrain 5 DEM.

    “Furthermore, whilst the resolution of the DEM has been noted to have an impact on LCP results (Conolly & Lake, 2006, pp. 101-102;Herzog & Yépez, 2015b;Verhagen et al., 2019), with Kantner (2012) recommending the use of DEMs with a resolution of under 30m, computational limitations necessitated the use of the 50m DEM over more accurate data sources such as the OS Terrain 5 DEM (5m resolution and 2.”

    From Probabilistic modelling for incorporating uncertainty in least cost path results: a postdictive roman road case study (2021) · cites this paper as Kantner, 2012

  • Random error in the DEM can have significant consequences on the computed LCP because LCPs are extremely sensitive to small changes in variables.

    “This random error in the DEM can have significant consequences on the computed LCP, given the extreme sensitivity of LCPs to small changes in variables (Kantner, 2012, p. 234).”

    From Probabilistic modelling for incorporating uncertainty in least cost path results: a postdictive roman road case study (2021) · cites this paper as Kantner, 2012

  • The convoluted paths over water indicate an issue with the type of LCP analysis used within the software suite, since least cost is preferentially chosen over least distance.

    “The convoluted paths over water also indicates an issue with the type of LCP analysis used within the software suite, since least cost is preferentially chosen over least distance (see Kantner, 2012 for a discussion of this issue).”

    From Modeling Métis mobility? Evaluating least cost paths and indigenous landscapes in the Canadian west (2017) · cites this paper as Kantner, 2012

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Authors
Kantner, J.
Venue
Unpublished
Publisher
Unpublished
Published
2012
DOI
10.13140/2.1.1765.4725
References
0

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