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BoundaryMeshRegionQ
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BoundaryMeshRegionQ

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yields True if the region reg is a valid BoundaryMeshRegion object and False otherwise.

Examples

open allclose all

Basic Examples  (2)Summary of the most common use cases

A valid BoundaryMeshRegion in 2D:

In[1]:=1
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https://wolfram.com/xid/0e5c2jht0j829f-fw5xg9
Out[1]=1
In[2]:=2
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https://wolfram.com/xid/0e5c2jht0j829f-bq734y
Out[2]=2

A valid BoundaryMeshRegion in 3D:

In[1]:=1
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https://wolfram.com/xid/0e5c2jht0j829f-bvdc75
Out[1]=1
In[2]:=2
✖
https://wolfram.com/xid/0e5c2jht0j829f-fntq4s
Out[2]=2

Scope  (7)Survey of the scope of standard use cases

Use BoundaryMeshRegionQ to check for valid BoundaryMeshRegion constructions:

In[1]:=1
✖
https://wolfram.com/xid/0e5c2jht0j829f-s8sf5e
Out[1]=1

Even though the expression Head is BoundaryMeshRegion, it is not a valid object to use:

In[3]:=3
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https://wolfram.com/xid/0e5c2jht0j829f-fozqiv
Out[3]=3

A directly constructed valid BoundaryMeshRegion:

In[1]:=1
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https://wolfram.com/xid/0e5c2jht0j829f-snksba
Out[1]=1
In[2]:=2
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https://wolfram.com/xid/0e5c2jht0j829f-n0b876
Out[2]=2

BoundaryMeshRegion from a set of points:

In[1]:=1
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https://wolfram.com/xid/0e5c2jht0j829f-bbggt8
In[2]:=2
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https://wolfram.com/xid/0e5c2jht0j829f-zx50rq
Out[2]=2
In[3]:=3
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https://wolfram.com/xid/0e5c2jht0j829f-p69mhg
Out[3]=3

A MeshRegion is not a BoundaryMeshRegion:

In[1]:=1
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https://wolfram.com/xid/0e5c2jht0j829f-xvc7nj
Out[1]=1
In[2]:=2
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https://wolfram.com/xid/0e5c2jht0j829f-djyhbf
Out[2]=2

The full-dimensional component can be converted using BoundaryMesh:

In[3]:=3
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https://wolfram.com/xid/0e5c2jht0j829f-pcokli
Out[3]=3
In[4]:=4
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https://wolfram.com/xid/0e5c2jht0j829f-b6wiw
Out[4]=4

A special region is not a BoundaryMeshRegion:

In[1]:=1
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https://wolfram.com/xid/0e5c2jht0j829f-cqya68
In[2]:=2
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https://wolfram.com/xid/0e5c2jht0j829f-t5n8i
Out[2]=2

Full-dimensional regions can be converted using BoundaryDiscretizeRegion:

In[3]:=3
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https://wolfram.com/xid/0e5c2jht0j829f-fc720e
Out[3]=3
In[4]:=4
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https://wolfram.com/xid/0e5c2jht0j829f-k3rta
Out[4]=4

A graphic is not a BoundaryMeshRegion:

In[1]:=1
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https://wolfram.com/xid/0e5c2jht0j829f-mynybk
Out[1]=1

Full-dimensional regions can be converted using BoundaryDiscretizeGraphics:

In[2]:=2
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https://wolfram.com/xid/0e5c2jht0j829f-e3vi7f
Out[2]=2
In[3]:=3
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https://wolfram.com/xid/0e5c2jht0j829f-y68aoy
Out[3]=3

BoundaryMeshRegion in dimension :

In[1]:=1
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https://wolfram.com/xid/0e5c2jht0j829f-ghlo9t
Out[1]=1
In[2]:=2
✖
https://wolfram.com/xid/0e5c2jht0j829f-gnbly6
Out[2]=2

Applications  (2)Sample problems that can be solved with this function

Create a definition that only applies to boundary mesh regions:

In[1]:=1
✖
https://wolfram.com/xid/0e5c2jht0j829f-o5htlo
Out[1]=1
In[2]:=2
✖
https://wolfram.com/xid/0e5c2jht0j829f-jj8pzv
In[3]:=3
✖
https://wolfram.com/xid/0e5c2jht0j829f-p58ewo
Out[3]=3

Select the BoundaryMeshRegion from a list of regions:

In[1]:=1
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https://wolfram.com/xid/0e5c2jht0j829f-739nga
Out[1]=1
In[2]:=2
✖
https://wolfram.com/xid/0e5c2jht0j829f-zs3i7k
Out[2]=2

Properties & Relations  (3)Properties of the function, and connections to other functions

A BoundaryMeshRegion is always RegionQ:

In[1]:=1
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https://wolfram.com/xid/0e5c2jht0j829f-x6zj6w
In[3]:=3
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https://wolfram.com/xid/0e5c2jht0j829f-e01rnv
Out[3]=3
In[4]:=4
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https://wolfram.com/xid/0e5c2jht0j829f-hahmlk
Out[4]=4

A BoundaryMeshRegion is always BoundedRegionQ:

In[1]:=1
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https://wolfram.com/xid/0e5c2jht0j829f-pdx66o
In[2]:=2
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https://wolfram.com/xid/0e5c2jht0j829f-wkay4u
Out[2]=2

A BoundaryMeshRegion is always ConstantRegionQ:

In[1]:=1
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https://wolfram.com/xid/0e5c2jht0j829f-8hrssa
In[2]:=2
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https://wolfram.com/xid/0e5c2jht0j829f-i96f4m
Out[2]=2
Wolfram Research (2014), BoundaryMeshRegionQ, Wolfram Language function, https://reference.wolfram.com/language/ref/BoundaryMeshRegionQ.html.
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Wolfram Research (2014), BoundaryMeshRegionQ, Wolfram Language function, https://reference.wolfram.com/language/ref/BoundaryMeshRegionQ.html.

Text

Wolfram Research (2014), BoundaryMeshRegionQ, Wolfram Language function, https://reference.wolfram.com/language/ref/BoundaryMeshRegionQ.html.

✖
Wolfram Research (2014), BoundaryMeshRegionQ, Wolfram Language function, https://reference.wolfram.com/language/ref/BoundaryMeshRegionQ.html.

CMS

Wolfram Language. 2014. "BoundaryMeshRegionQ." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/BoundaryMeshRegionQ.html.

✖
Wolfram Language. 2014. "BoundaryMeshRegionQ." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/BoundaryMeshRegionQ.html.

APA

Wolfram Language. (2014). BoundaryMeshRegionQ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/BoundaryMeshRegionQ.html

✖
Wolfram Language. (2014). BoundaryMeshRegionQ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/BoundaryMeshRegionQ.html

BibTeX

@misc{reference.wolfram_2025_boundarymeshregionq, author="Wolfram Research", title="{BoundaryMeshRegionQ}", year="2014", howpublished="\url{https://reference.wolfram.com/language/ref/BoundaryMeshRegionQ.html}", note=[Accessed: 08-June-2025 ]}

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@misc{reference.wolfram_2025_boundarymeshregionq, author="Wolfram Research", title="{BoundaryMeshRegionQ}", year="2014", howpublished="\url{https://reference.wolfram.com/language/ref/BoundaryMeshRegionQ.html}", note=[Accessed: 08-June-2025 ]}

BibLaTeX

@online{reference.wolfram_2025_boundarymeshregionq, organization={Wolfram Research}, title={BoundaryMeshRegionQ}, year={2014}, url={https://reference.wolfram.com/language/ref/BoundaryMeshRegionQ.html}, note=[Accessed: 08-June-2025 ]}

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@online{reference.wolfram_2025_boundarymeshregionq, organization={Wolfram Research}, title={BoundaryMeshRegionQ}, year={2014}, url={https://reference.wolfram.com/language/ref/BoundaryMeshRegionQ.html}, note=[Accessed: 08-June-2025 ]}