GHL:Geometry Handling Library

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What is GHL?

This is a complete C functions library of 2-D and 3-D geometric calculation. The library includes functions which calculate the following items for analytical and free-formed shapes, including NURBS, with high reliability and precision.

More than 2,000 external routines are included in this library. This library is written in standard C language, and thus portable to most of the workstations and personal computers working under various operating sysytems as follows.

This product is used by various application systems which require precise geometric operations from 1992. GHL will be revised continuously to incorporate newly developed theory and algorithms.

NEW: GHL 3.4.8.p1 : latest version (shipped on Mar. '07)

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GHL Users

Follwings are some examples of GHL users (whose web pages are written in English).