Managing a crowd [efficiently]—in train situations, concerts, even in the streets—is very important” for safety and city ...

This file includes redefinitions of the core modules to work with attachment, and functional forms of those modules that produce paths. You can create regular polygons with optional rounded corners ...

Routines to create rounded corners, with either circular rounding, or continuous curvature rounding with no sudden curvature transitions. Provides rounding of corners or rounding that preserves corner ...