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0030827: Add common functionality allowing to switch triangulation algorithm in runtime

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New classes BRepMesh_ConstrainedBaseMeshAlgo, BRepMesh_CustomBaseMeshAlgo and BRepMesh_CustomDelaunayBaseMeshAlgo are added.
These classes allow to add any custom triangulation algorithm to BRepMesh and perform post-processing and optimization of base mesh generated by those algorithms.
BRepMesh_Delaun: added possibility to process constraints when base mesh is generated by different algorithm.
BRepMesh_DelaunayNodeInsertionMeshAlgo: added PreProcessSurfaceNodes flag controlling addition of surface nodes (either before creation of base mesh or after) to gain maximum performance from triangulation algorithms.

Minor changes:
Use simple algorithm for cylinders when internal vertices mode is switched off to speed up computations.
BRepMesh_IncrementalMesh: added Perform method allowing to execute algorithm using manually created Context.
This commit is contained in:
oan
2019-07-03 11:45:18 +03:00
parent 0d56f7433b
commit 4c04741d4c
14 changed files with 418 additions and 68 deletions
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6
src/BRepMesh/BRepMesh_IncrementalMesh.hxx
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@@ -16,6 +16,7 @@
#include <BRepMesh_DiscretRoot.hxx>
#include <IMeshTools_Parameters.hxx>
#include <IMeshTools_Context.hxx>
//! Builds the mesh of a shape with respect of their
//! correctly triangulated parts
@@ -51,8 +52,11 @@ public: //! @name mesher API
Standard_EXPORT BRepMesh_IncrementalMesh(const TopoDS_Shape& theShape,
const IMeshTools_Parameters& theParameters);
//! Performs meshing ot the shape.
//! Performs meshing ot the shape.
Standard_EXPORT virtual void Perform() Standard_OVERRIDE;
//! Performs meshing using custom context;
Standard_EXPORT void Perform(const Handle(IMeshTools_Context)& theContext);
public: //! @name accessing to parameters.