Description Usage Arguments Details Value References See Also Examples

Radius of Gyration (Area and edge metric)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | ```
lsm_p_gyrate(landscape, directions)
## S3 method for class 'RasterLayer'
lsm_p_gyrate(landscape, directions = 8)
## S3 method for class 'RasterStack'
lsm_p_gyrate(landscape, directions = 8)
## S3 method for class 'RasterBrick'
lsm_p_gyrate(landscape, directions = 8)
## S3 method for class 'stars'
lsm_p_gyrate(landscape, directions = 8)
## S3 method for class 'list'
lsm_p_gyrate(landscape, directions = 8)
``` |

`landscape` |
Raster* Layer, Stack, Brick or a list of rasterLayers. |

`directions` |
The number of directions in which patches should be connected: 4 (rook's case) or 8 (queen's case). |

*GYRATE = ∑ \limits_{r = 1}^{z} \frac{h_{ijr}} {z}*

where *h_{ijr}* is the distance from each cell to the centroid of the
patch and *z* is the number of cells.

GYRATE is an 'Area and edge metric'. The distance from each cell to the patch centroid is based on cell center-to-cell center distances. The metrics characterises both the patch area and compactness.

Meters

GYRATE >= 0

Approaches GYRATE = 0 if patch is a single cell. Increases, without limit, when only one patch is present.

tibble

McGarigal, K., SA Cushman, and E Ene. 2012. FRAGSTATS v4: Spatial Pattern Analysis Program for Categorical and Continuous Maps. Computer software program produced by the authors at the University of Massachusetts, Amherst. Available at the following web site: http://www.umass.edu/landeco/research/fragstats/fragstats.html

Keitt, T. H., Urban, D. L., & Milne, B. T. 1997. Detecting critical scales in fragmented landscapes. Conservation ecology, 1(1).

`lsm_c_gyrate_mn`

,
`lsm_c_gyrate_sd`

,
`lsm_c_gyrate_cv`

,

`lsm_l_gyrate_mn`

,
`lsm_l_gyrate_sd`

,
`lsm_l_gyrate_cv`

1 |

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