Parametric feature based modeler
- Parametric feature based modeler
A parametric feature based modeler is a Computer-aided design (CAD) software package that uses either a constructive solid geometry (CSG) or a Boundary representation (B-REP) modeler that allows a user to refer to features instead of the underlying geometry.
A feature is a term referring to higher order CAD entities. For example, given a 3D brick with a hole, the "hole" is considered a feature in the "brick" to reflect the manufacturing process used to create it, rather than referring to the hole by the mathematical term cylinder.
Parametric feature based modelers use change states to maintain information about building the model and use expressions to constrain associations between the geometric entities. This ability allows a user make a modification at any state and to regenerate the model's boundary representation based on those changes. This ability is called a transmigration operation.
Examples
*Archicad
*Alibre Design
*Autodesk Inventor
*Autodesk Revit
*Pro/ENGINEER
*Solid Edge
*SolidWorks
*NX (Unigraphics)
*CATIA V5
*T-FLEX CAD
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