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yields True if the region reg is a valid MeshRegion object and False otherwise.
A valid MeshRegion in 2D:
A valid MeshRegion in 3D:
Use MeshRegionQ to check for valid MeshRegion constructions:
Even though the expression Head is MeshRegion, it is not a valid object to use:
A directly constructed valid MeshRegion:
MeshRegion from a set of points:
A BoundaryMeshRegion is not a MeshRegion, but can be converted using TriangulateMesh:
Special regions are not MeshRegion, but can be converted using DiscretizeRegion:
Graphics are not MeshRegion, but can be converted using DiscretizeGraphics:
Mesh regions in dimension :
Create a definition that only applies to mesh regions:
Select the MeshRegion from a list of regions:
MeshRegionQ is a special case of RegionQ:
A MeshRegion is always BoundedRegionQ:
A MeshRegion is always ConstantRegionQ:
MeshRegion BoundaryMeshRegionQ RegionQ ConstantRegionQ BoundedRegionQ