GNCutter32 version 4.0 received two significant improvements: new multi-size stock-cutting optimization and new layout minimization algorithms.
(1888PressRelease) June 27, 2011 - Optimalon Software has released version 4.0 of their GNCutter32 stock-cutting optimization library for software developers. The calculation algorithm of cutting plan generation for multi-size stock cutting has been significantly re-designed. A completely new cutting layout minimization algorithm has been developed and successfully implemented in the new version.
Finding the optimal stock-cutting plan is a hard optimization problem that arises in woodworking, glass and metal industries on a regular basis. The problem gets even harder when several sizes of the stocks are available.
Denis Smirnov from Optimalon Software explains: "Users of our library GNCutter32 have been asking us to improve the optimization algorithms in case of multi-size stocks. Most academic researchers assume a single stock size and develop algorithms based on that assumption.
However our users working in real-life industrial environments often face the cutting jobs for different stock sizes. As a result of the strong demand from our users, we developed and implemented a new algorithm that improves overall multi-size stocks cutting optimization effectiveness up to 20 percent".
Another important improvement of version 4.0 is the new layout minimization algorithm. Woodworking industries often cut several wood panels at once by placing them into a pile. Simultaneous cutting saves loading and operating time, but it has one drawback: the material usage is lower.
An example of a job that is supplied with GNCutter32 installation demonstrates the layout minimization approach. Without layout minimization the cutting plan required 10 sheets and generated 10 different layouts. When the layout minimization was turned on, the plan required 12 sheets, but generated only three different layouts. It meant 10 sheets can be cut simultaneously, saving ten times the operating time.
GNCutter32 is a .Net 2.0 assembly, developed on C# programming language. It smoothly integrates with any desktop, web-based or mobile applications via a plain and intuitive programming interface. The installation package comes with a compiled executable example that demonstrates the functionality of GNCutter32 in linear (1D) and panel (2D) stock-cutting by generating graphical layouts.
GNCutter32 version 4.0 received two significant improvements: new multi-size stock-cutting optimization and new layout minimization algorithms. 
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