MRIaggr-plotOutline: Compute the outline of a spatial group

Description Usage Arguments Details Value

Description

Return a the outline of a spatial group for a given neighbourhood. For internal use.

Usage

1
pointsOutline(coords, array = NULL, filter = "2D_N4")

Arguments

coords

the spatial coordinates of the observations. data.frame.

array

alternative specification of the spatial coordinates using an array where the non-NA values indicates the points of interest. array or NULL leading to use the coords argument.

filter

the type of filter, see calcFilter for more details. character.

Details

FUNCTION:
This function apply a filter to the spatial group and consider as the outline all the observations that do not reach the maximum value (i.e. do not have a complete neighbourhood).

Value

A data.frame with the spatial coordinates of the outline.


bozenne/MRIaggr documentation built on May 13, 2019, 1:39 a.m.