# SolidRegionQ

SolidRegionQ[reg]

gives True if the 3D region reg is a solid region and False otherwise.

# Details

• A solid region is also known as filled 3D region.
• A solid region is a region with embedding dimension 3 and geometry dimension 3 and no lower-dimensional component.

# Examples

open allclose all

Special regions:

Formula regions:

Mesh regions:

## Scope(11)

### Special Regions(1)

Solid regions in including Tetrahedron:

### Formula Regions(2)

A ball represented as an ImplicitRegion:

A cylinder:

ImplicitRegion can have several components of different dimension:

### Mesh Regions(2)

MeshRegion in 1D:

2D:

3D:

BoundaryMeshRegion in 1D:

2D:

3D:

### Derived Regions(4)

RegionIntersection of two regions:

RegionUnion of mixed-dimensional regions:

### Geographic Regions(2)

Polygon with GeoPosition:

Polygons with GeoPositionXYZ:

Polygons with GeoPositionENU:

Polygons with GeoGridPosition:

## Possible Issues(1)

Nonconstant regions are not SolidRegionQ:

Wolfram Research (2016), SolidRegionQ, Wolfram Language function, https://reference.wolfram.com/language/ref/SolidRegionQ.html.

#### Text

Wolfram Research (2016), SolidRegionQ, Wolfram Language function, https://reference.wolfram.com/language/ref/SolidRegionQ.html.

#### CMS

Wolfram Language. 2016. "SolidRegionQ." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/SolidRegionQ.html.

#### APA

Wolfram Language. (2016). SolidRegionQ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/SolidRegionQ.html

#### BibTeX

@misc{reference.wolfram_2023_solidregionq, author="Wolfram Research", title="{SolidRegionQ}", year="2016", howpublished="\url{https://reference.wolfram.com/language/ref/SolidRegionQ.html}", note=[Accessed: 24-September-2023 ]}

#### BibLaTeX

@online{reference.wolfram_2023_solidregionq, organization={Wolfram Research}, title={SolidRegionQ}, year={2016}, url={https://reference.wolfram.com/language/ref/SolidRegionQ.html}, note=[Accessed: 24-September-2023 ]}