addDelaunay: Add Delaunay triangles.

In lindbrook/cholera: Amend, Augment and Aid Analysis of John Snow's Cholera Map

Add Delaunay triangles.

Description

Add Delaunay triangles.

Usage

addDelaunay(pump.select = NULL, vestry = FALSE, color = "black",
  line.type = "solid", line.width = 1, latlong = FALSE)

Arguments

pump.select	Numeric. Default is NULL; all pumps are used. Otherwise, selection by a vector of numeric IDs: 1 to 13 for pumps; 1 to 14 for pumps.vestry. Exclusion (negative selection) is possible (e.g., -6).
vestry	Logical. FALSE for original 13 pumps. TRUE for 14 pumps in Vestry Report.
color	Character. Color of triangle edges.
line.type	Character. Type of line for triangle edges.
line.width	Numeric. Width of cell edges: lwd.
latlong	Logical. Use estimated longitude and latitude.

Note

This function uses deldir::deldir().

Examples

snowMap()
addDelaunay()

lindbrook/cholera documentation built on Jan. 13, 2025, 3:49 p.m.