cent_to_edge: Calculate Point on Node Boundary

In cograph: Analysis and Visualization of Complex Networks

Calculate Point on Node Boundary

Description

Given a node center, size, and angle, calculates the point on the node boundary. Works with various shapes.

Usage

cent_to_edge(x, y, angle, cex, cex2 = NULL, shape = "circle")

Arguments

x	Node center x coordinate.
y	Node center y coordinate.
angle	Angle in radians.
cex	Node size (radius in user coordinates).
cex2	Secondary size for ellipse width (NULL for square aspect).
shape	Node shape: "circle", "square", "ellipse", or polygon name.

Value

List with x, y coordinates on boundary.

cograph documentation built on April 1, 2026, 1:07 a.m.