Latest Release of D-Cubed's HLM, Version 29.0

Cambridge UK, 21 Feb 2003 -- D-Cubed announces the latest release of its Hidden Line Manager (HLM), the world's most widely deployed hidden line technology with the market-leading combination of performance, reliability and functionality. In addition to a continuous focus on performance this release includes new functionality to enhance the clarity, aesthetic appeal and accuracy of hidden line views.

Interpenetrating parts: Assemblies often contain parts that are interpenetrating, that is where distinct parts overlap in space. It has always been a strength of the HLM that it produces the correct hidden line view in such situations, trimming edges as they pass through interpenetrating faces. However, end-users often also wish to see a representation of the intersecting edges that lie between the interpenetrating faces. Even though such edges do not actually exist in the model (such assemblies consist of distinct interpenetrating parts that have not been Booleaned together) they can enhance the hidden line view. Hence, the HLM can now also include intersecting edges in the hidden line view.

Enhanced views on complex surfaces: The reliability of the hidden line computation on a demanding class of parametric surfaces has been improved. Such surfaces have silhouette 'regions' rather than the more common silhouette edges. In a silhouette region the surface normal is perpendicular to the view direction over a portion of the surface that has depth in the view direction. Applications that use a single parametric surface to model combinations of analytic surfaces, such as planes, cylinders and tori, will benefit from this development. Examples include applications where parametric surfaces are used to represent pipes and cables.

The full announcement, including illustrated examples and an animation of the new features is available on D-Cubed's website

About the HLM

The HLM, first released in 1999, is already one of the most widely deployed hidden line solutions in the CAD field, being used in numerous applications, including several Autodesk product lines, such as AutoCAD, Mechanical Desktop and Inventor. Its kernel independence enables a dedicated team of experts to focus exclusively and continuously on the development of advanced hidden line algorithms without being distracted by the wider requirements of a general solid modelling technology.

About D-Cubed Ltd.

Founded in 1989 in Cambridge, England, D-Cubed provides software components and technical consulting services to the CAD/CAM/CAE application development industry in all areas of geometric, solid and variational/parametric modelling. Most of the world�s leading CAD vendors have adopted one or more of D-Cubed�s widely respected component technologies for integration into their end-user applications. We have never developed, and do not intend to develop, our own end-user applications. This focus avoids any competitive conflicts of interest with our customers. 

www.d-cubed.co.uk

 

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