Contents

Abstract

1.   Introduction

2.   The general concepts and main principles of our software

2.1.   Separation of geometry and drawing
2.2.   Line graphics
2.3.   Independent visibility check

3.   The procedure Check

4.   Contour

5.   Curves

5.1.   Curves in two-dimensional space
5.2.   Some results from the general theory of curves

Examples

List of figures

References