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Wolfram Language & System Documentation Center
RegionBounds
  • See Also
    • BoundingRegion
    • RegionResize
    • CoordinateBounds
    • BoundedRegionQ
    • ConstantRegionQ
    • Cuboid
    • PlotRange
    • DataRange
  • Related Guides
    • Region Properties and Measures
    • Polygons
    • Regular & Coordinate Arrays
    • 3D Printing
    • See Also
      • BoundingRegion
      • RegionResize
      • CoordinateBounds
      • BoundedRegionQ
      • ConstantRegionQ
      • Cuboid
      • PlotRange
      • DataRange
    • Related Guides
      • Region Properties and Measures
      • Polygons
      • Regular & Coordinate Arrays
      • 3D Printing

RegionBounds[reg]

gives the bounds for the region reg.

RegionBounds[reg,"type"]

gives region bounds of the specified "type".

Details and Options
Details and Options Details and Options
Examples  
Basic Examples  
Scope  
Basic Uses  
Special Regions  
Formula Regions  
Mesh Regions  
Derived Regions  
Geographic Regions  
Applications  
Properties & Relations  
See Also
Related Guides
History
Cite this Page
BUILT-IN SYMBOL
  • See Also
    • BoundingRegion
    • RegionResize
    • CoordinateBounds
    • BoundedRegionQ
    • ConstantRegionQ
    • Cuboid
    • PlotRange
    • DataRange
  • Related Guides
    • Region Properties and Measures
    • Polygons
    • Regular & Coordinate Arrays
    • 3D Printing
    • See Also
      • BoundingRegion
      • RegionResize
      • CoordinateBounds
      • BoundedRegionQ
      • ConstantRegionQ
      • Cuboid
      • PlotRange
      • DataRange
    • Related Guides
      • Region Properties and Measures
      • Polygons
      • Regular & Coordinate Arrays
      • 3D Printing

RegionBounds

RegionBounds[reg]

gives the bounds for the region reg.

RegionBounds[reg,"type"]

gives region bounds of the specified "type".

Details and Options

  • RegionBounds is also known as bounding box and bounding volume.
  • RegionBounds returns a list {{xmin,xmax},{ymin,ymax},…} of length equal to RegionEmbeddingDimension[reg].
  • For an unbounded region, one or several of the coordinate ranges can contain Infinity.
  • The following region range "type" specifications can be given:
  • "Minimal"minimal bounds (default)
    "Sufficient"sufficient bounds
    "Finite"finite range of interest, not necessarily bounding

Examples

open all close all

Basic Examples  (3)

Find bounds for a region in :

Visualize the bounds:

Find bounds for a region in :

Visualize the bounds:

Unbounded regions have infinite bounds:

Scope  (23)

Basic Uses  (3)

By default, the "Minimal" bounding region is returned:

Visualize bounds:

Use "Finite" to get some finite bounding region even if the region is not bounded:

Visualize bounds:

Other range types return infinite ranges:

"Finite" may not necessarily return the smallest bounding region:

Special Regions  (7)

Regions in :

Regions in :

Visualize a region range in :

Regions in :

Visualize a region range in :

Regions in :

Specify the "Finite" type to get finite bounds for unbounded regions:

Formula Regions  (3)

A union of two disks as an ImplicitRegion:

Visualize bounds:

A union of two cylinders as an ImplicitRegion:

Visualize bounds:

A rational parametrization of a disk represented as a ParametricRegion:

Visualize bounds:

Mesh Regions  (4)

MeshRegion in 2D:

Visualize bounds:

MeshRegion in 3D:

Visualize bounds:

BoundaryMeshRegion in 2D:

Visualize bounds:

BoundaryMeshRegion in 3D:

Visualize bounds:

Derived Regions  (4)

RegionIntersection of two regions:

Visualize bounds:

RegionUnion of mixed-dimensional regions:

Visualize bounds:

TransformedRegion:

Visualize bounds:

RegionBoundary:

Geographic Regions  (2)

Polygons with GeoPosition:

Visualize bounds:

The boundary of a polygon with GeoGridPosition:

Visualize bounds:

Applications  (5)

Find a bounding Sphere to a region's bounding box:

Compute corner points of bounding box:

Compute bounding sphere:

Visualize bounding surfaces:

Find a bounding Ellipsoid to a region's bounding box:

Compute the bounding box:

Compute a bounding ellipsoid to the bounding box:

Visualize bounding surfaces:

Check for possible region inclusion by checking if bounding boxes overlap:

Compute bounds for each region:

For each dimension, check if bounds intersect:

Bounding boxes overlap if and only if bounds in every dimension overlap:

Create a fast membership rejection test:

Create a region member function:

Create a member function for the region's bounding box:

Generate points for testing:

Use region member function to select member points after filtering with bounding box member function:

Compare the timing of only using the region member function:

Both approaches return the same member points:

Fit an oriented bounding box of least area to a region:

Find the transform for each edge of the region's convex hull that aligns it with the axis:

Compute oriented bounding boxes aligned with each edge of the convex hull:

Find the transform that will orient the bounding box with the smallest area to the region:

Visualize the oriented bounding box and region:

Properties & Relations  (7)

The range is finite for bounded regions:

The range is infinite for unbounded regions:

RegionBounds may be used as input to DiscretizeRegion:

Double the default DiscretizeRegion bounding range:

RegionBounds may be used as input to VoronoiMesh:

VoronoiMesh at varying bounding ranges:

RegionBounds may be used to specify a PlotRange to DiscretizeGraphics:

VoronoiMesh at varying bounding ranges:

Transpose a 2D region's bounds to get coordinates for Rectangle:

Transpose a 3D region's bounds to get coordinates for Cuboid:

Region bounds may be passed directly into UniformDistribution:

Get the region bounds:

Uniformly sample over the bounded region:

See Also

BoundingRegion  RegionResize  CoordinateBounds  BoundedRegionQ  ConstantRegionQ  Cuboid  PlotRange  DataRange

Related Guides

    ▪
  • Region Properties and Measures
  • ▪
  • Polygons
  • ▪
  • Regular & Coordinate Arrays
  • ▪
  • 3D Printing

History

Introduced in 2014 (10.0)

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

Text

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

CMS

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

APA

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

BibTeX

@misc{reference.wolfram_2025_regionbounds, author="Wolfram Research", title="{RegionBounds}", year="2014", howpublished="\url{https://reference.wolfram.com/language/ref/RegionBounds.html}", note=[Accessed: 01-March-2026]}

BibLaTeX

@online{reference.wolfram_2025_regionbounds, organization={Wolfram Research}, title={RegionBounds}, year={2014}, url={https://reference.wolfram.com/language/ref/RegionBounds.html}, note=[Accessed: 01-March-2026]}

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