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A geometric modeling kernel is a solid modeling software component used in computer-aided design (CAD) packages. [ 1 ] [ 2 ] Available modelling kernels include: ACIS is developed and licensed by Spatial Corporation of Dassault Systèmes .
In other words, Digital Geometry is programmable CAD. Historically the CAD term has been used for any 3D model representations. In many situations Computer Aided Design term becomes misleading. In traditional CAD 3D model is the objective. In Digital Geometry 3D objects are an intermediate step for calculations or simulations.
The 3D ACIS Modeler (ACIS) is a geometric modeling kernel developed by Spatial Corporation (formerly Spatial Technology), part of Dassault Systèmes.ACIS is used by software developers in industries such as computer-aided design, computer-aided manufacturing, computer-aided engineering, architecture, engineering and construction, coordinate-measuring machine, 3D animation, and shipbuilding.
Parasolid is a geometric modeling kernel originally developed by Shape Data Limited, now owned and developed by Siemens Digital Industries Software.It can be licensed by other companies for use in their 3D computer graphics software products.
Autodesk ShapeManager is a 3D geometric modeling kernel used by Autodesk Inventor and other Autodesk products that is developed inside the company. It was originally forked from ACIS 7.0 in November 2001, [1] and the first version became available in Inventor 5.3 in February 2002.
The kernel of a m × n matrix A over a field K is a linear subspace of K n. That is, the kernel of A, the set Null(A), has the following three properties: Null(A) always contains the zero vector, since A0 = 0. If x ∈ Null(A) and y ∈ Null(A), then x + y ∈ Null(A). This follows from the distributivity of matrix multiplication over addition.
Kernel (geometry), the set of points within a polygon from which the whole polygon boundary is visible; Kernel (statistics), a weighting function used in kernel density estimation to estimate the probability density function of a random variable; Integral kernel or kernel function, a function of two variables that defines an integral transform
Russian Geometric Kernel (also known as RGK) is a proprietary geometric modeling kernel developed by several Russian software companies, most notably Top Systems and LEDAS, and supervised by STANKIN (State Technology University).