dot-draw_intra_arc: Draw a Smooth Bezier Arc for Intra-Group Edges

In cograph: Analysis and Visualization of Complex Networks

Draw a Smooth Bezier Arc for Intra-Group Edges

Description

Uses a quadratic bezier curve with arc height proportional to distance, ensuring consistent rounded arcs for both close and distant node pairs (avoids the narrow spike issue with standard curvature for adjacent nodes).

Usage

.draw_intra_arc(
  x1,
  y1,
  x2,
  y2,
  intra_curvature,
  curve_sign,
  col,
  lwd,
  lty = 1,
  arrow,
  asize
)

Arguments

x1, y1	Start coordinates.
x2, y2	End coordinates.
intra_curvature	Base curvature amount (controls arc height ratio).
curve_sign	Direction of curve (+1 or -1).
col	Edge color.
lwd	Line width.
arrow	Draw arrow at target?
asize	Arrow size.

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