getTopFeatures: Extract top x percent of features

In alcyon: Spatial Network Analysis

Extract top x percent of features

Description

Sorts features by a specific column and extracts the top x percent

Usage

getTopFeatures(lineStringMap, column, percent)

Arguments

lineStringMap	An sf lineString map
column	The column to use to extract the features from
percent	Percentage of features (to total) to extract

Value

The lineString map filtered and sorted

Examples

mifFile <- system.file(
    "extdata", "testdata", "barnsbury",
    "barnsbury_small_axial_original.mif",
    package = "alcyon"
  )
  sfMap <- st_read(mifFile,
    geometry_column = 1L, quiet = TRUE
  )
  shapeGraph <- as(sfMap, "AxialShapeGraph")
shapeGraph <- allToAllTraverse(
  shapeGraph,
  traversalType = TraversalType$Topological,
  radii = c("n", "3"),
  includeBetweenness = TRUE
)
getTopFeatures(shapeGraph, "Connectivity", 0.1)

alcyon documentation built on April 3, 2025, 6:18 p.m.