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spatstat.geom (version 3.3-6)

Geometrical Functionality of the 'spatstat' Family

Description

Defines spatial data types and supports geometrical operations on them. Data types include point patterns, windows (domains), pixel images, line segment patterns, tessellations and hyperframes. Capabilities include creation and manipulation of data (using command line or graphical interaction), plotting, geometrical operations (rotation, shift, rescale, affine transformation), convex hull, discretisation and pixellation, Dirichlet tessellation, Delaunay triangulation, pairwise distances, nearest-neighbour distances, distance transform, morphological operations (erosion, dilation, closing, opening), quadrat counting, geometrical measurement, geometrical covariance, colour maps, calculus on spatial domains, Gaussian blur, level sets of images, transects of images, intersections between objects, minimum distance matching. (Excludes spatial data on a network, which are supported by the package 'spatstat.linnet'.)

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Version

Install

install.packages('spatstat.geom')

Monthly Downloads

79,548

Version

3.3-6

License

GPL (>= 2)

Maintainer

Adrian Baddeley

Last Published

March 18th, 2025

Functions in spatstat.geom (3.3-6)

Extract or Replace Subset of a List of Things

Extract or Replace Subset of Point Pattern

Extract Subset of Window

Extract Subset of Line Segment Pattern

Extract Subset of Image

Extract.anylist

Extract or Replace Subset of a List of Things

Subset of Quadrature Scheme

Extract Subset of Multidimensional Point Pattern

Extract.layered

Extract or Replace Subset of a Layered Object

Extract.hyperframe

Extract or Replace Subset of Hyperframe

S3 Group Generic methods for List of Images

Extract or Change the Containing Rectangle of a Spatial Object

Extract Window of Spatial Object

Extract or Replace Subset of Tessellation

Reset Values in Subset of Image

Extract or Change the Window of a Spatial Object

Extract.splitppp

Extract or Replace Sub-Patterns

Extract or Replace Subset of a List of Spatial Objects

S3 Group Generic methods for images

Minkowski Sum of Windows

Check Whether Image Contains NA Values

Apply Affine Transformation To Point Pattern

Apply Affine Transformation To Pixel Image

Apply Affine Transformation To Window

Apply Affine Transformation To Line Segment Pattern

List of Objects

Apply Geometrical Transformation To Tessellation

Fill Plot With Texture

Orientation Angles of Line Segments

Apply Affine Transformation

as.data.frame.hyperframe

Coerce Hyperframe to Data Frame

Convert Data to Multi-Dimensional Box

Combine Two Line Segment Patterns

Difference of Disc Areas

Area of a Window

Difference of Disc Areas

as.data.frame.im

Convert Pixel Image to Data Frame

Convert to Colour Map

Convert Data to Three-Dimensional Box

Apply Function to Every Neighbourhood in a Point Pattern

as.data.frame.psp

Coerce Line Segment Pattern to a Data Frame

Convert Pixel Image to Function of Coordinates

as.hyperframe.ppx

Extract coordinates and marks of multidimensional point pattern

as.function.owin

Convert Window to Indicator Function

as.data.frame.owin

Convert Window to Data Frame

as.data.frame.tess

Convert Tessellation to Data Frame

as.function.tess

Convert a Tessellation to a Function

Convert Data to Hyperframe

Convert Data To Layered Object

Convert List of Two-Dimensional Spatial Objects

Pixel Image Approximation of a Window

Convert Pixel Image to Matrix or Array

Convert Pixel Image to Matrix

as.data.frame.ppp

Coerce Point Pattern to a Data Frame

Create Colour Scheme for a Range of Numbers

Convert to Pixel Image

Convert Data To Class ppp

Distance to Boundary of Window

Multi-Dimensional Box

Convert Data To Class psp

Border Region of a Window

Buffer Distance Tessellation

Smallest Enclosing Circle

Convert Data To Class owin

Interactively Measure Distance

Distance to Boundary of Window

Apply Function to Image Broken Down by Factor

Interactively Add Points

Convert a Window to a Polygonal Window

Interactively Define a Polygon

bounding.box.xy

Convex Hull of Points

Apply a Function to a Point Pattern Broken Down by Factor

Bounding Box of a Window, Image, or Point Pattern

Intersect Infinite Straight Lines with a Window

Array of Contour Plots

Test Whether Objects Are Compatible

Close Pairs of Points

Convert and Compare Colours in Different Formats

Three-Dimensional Box

crossdist.default

Pairwise distances between two different sets of points

Convert Data To Tessellation

Pairwise distances between two different three-dimensional point patterns

Distance to Boundary of Window

cbind.hyperframe

Combine Hyperframes by Rows or by Columns

Close Pairs of Points in 3 Dimensions

Subdivide a Window or Tessellation using a Set of Lines

Interactively Define a Rectangle

Determine A Common Spatial Domain And Pixel Resolution

Centroid of a window

Close Triples of Points

Morphological Closing

Connected Components of Tiles of a Tessellation

complement.owin

Take Complement of a Window

Contour plot of pixel image

Concatenate x,y Coordinate Vectors

Cover Region with Discs

Pairwise distances between two different line segment patterns

Colour Lookup Tables

Pairwise distances

Pairwise distances between two different point patterns

Distance Metric Defined by Convex Set

Pairwise Distances Between Two Different Multi-Dimensional Point Patterns

Crossing Points of Two Line Segment Patterns

Convolution of Pixel Images

Test Whether Pixel Images Are Compatible

Distance Map as a Function

default.symbolmap

Default Symbol Map for Plotting a Spatial Pattern

Convert Pixel Image from Numeric to Factor

Convex Hull of Points

Extract the Domain of any Spatial Object

Extract or Assign Colour Values in a Colour Map

Connected components

Determine Duplicated Points in a Spatial Point Pattern

Classify Points in a Point Pattern

Geometrical Calculations for Three-Dimensional Box

Delaunay Triangulation of Point Pattern

delaunayDistance

Distance on Delaunay Triangulation

Connected Components of a Point Pattern

Extract or Change Coordinates of a Spatial or Spatiotemporal Point Pattern

Extract Boundary Edges of a Window.

Corners of a rectangle

Weil's Convexifying Operation

Generate a Default Pattern of Dummy Points

Geometrical Calculations for Multi-Dimensional Box

edges2triangles

List Triangles in a Graph

default.symbolmap.ppp

Default Symbol Map for Point Pattern

Diameter of a Window

default.image.colours

Default Colours for Images in Spatstat

Compute Quadrature Weights Based on Grid Counts

Morphological Dilation

Distance Map of Window

List Dihedral Triples in a Graph

edit.hyperframe

Invoke Text Editor on Hyperframe

Areas of Morphological Dilations

Evaluate Expression Involving Pixel Images

Diameter of an Object

Add margins to box in any dimension

dirichletWeights

Compute Quadrature Weights Based on Dirichlet Tessellation

Morphological Erosion by a Disc

Area of Part of Disc

Dirichlet Tessellation of Point Pattern

Safely Convert Point Pattern Window to Binary Mask

Circular Window

Invoke Text Editor on Spatial Data

Morphological Erosion of Windows

Compute Areas of Tiles in Dirichlet Tessellation

extrapolate.psp

Extrapolate Line Segments to Obtain Infinite Lines

Make Pixel Images Compatible

Add margins to rectangle

Elliptical Window.

Apply Function Pixelwise to List of Images

Make Objects Compatible

Class of Images

Make Windows Compatible

dirichletVertices

Vertices and Edges of Dirichlet Tessellation

Histogram of Values of a Spatial Function

Farthest Distance to Boundary of Window

Histogram of Pixel Values in an Image

Spatial Covariance of a Pixel Image

Exchange X and Y Coordinates

Distance Map of Point Pattern

Distance Map of Line Segment Pattern

Fourier Basis Functions

Endpoints of Line Segment Pattern

framedist.pixels

Distance to Bounding Frame

Test Whether Points Are Inside A Window

Infinite Straight Lines

Spatial Function Class

Find Largest Circle Inside Window

Test Whether An Object Is A Pixel Image

Areas of Morphological Erosions

Rectangular grid of points

Test Whether an Object is a Pixel Image on a Linear Network

harmoniseLevels

Harmonise the levels of several factors, or factor-valued pixel images.

Hyper Data Frame

Identify Points in a Point Pattern

Empirical Intensity of Point Pattern

Identify Segments in a Line Segment Pattern

Intensity of a Multidimensional Space-Time Point Pattern

Create a Pixel Image Object

Integral of a Pixel Image

Test Whether Points Are Inside A Multidimensional Box

Intersection of Two Tessellations

Perform Geometric Task using a Specified Metric

invoke.symbolmap

Plot Data Using Graphics Symbol Map

integral.tessfun

Integrate a Function Which is Constant on Each Tile of a Tessellation

Intensity of a Dataset or a Model

Recognise a Multi-Dimensional Box

Empirical Intensity of Line Segment Pattern

Check Whether Points Have Close Neighbours

intensity.quadratcount

Intensity Estimates Using Quadrat Counts

First or Last Part of a Spatial Pattern

Test Whether An Object Is A Linear Network

Hexagonal Grid or Tessellation

interp.colourmap

Interpolate smoothly between specified colours

Intersection Of Boxes Of Arbitrary Dimension

Test Whether An Object Is A Point Pattern on a Linear Network

Interpolate a Pixel Image

Test Whether Marks Are Present

Test Whether a Window is Convex

Test Whether A Point Pattern is Marked

Test whether Object is Multitype

Test Whether An Object Is Empty

is.multitype.ppp

Test Whether A Point Pattern is Multitype

Marks of a Tessellation

Determine Whether an Object is Connected

Marks of a Point Pattern

Generate a Row or Column Arrangement of Rectangles.

Marks of a Line Segment Pattern

Intersection, Union or Set Subtraction of Windows

Summarise Marks in Every Neighbourhood in a Point Pattern

Determine Type of Window

methods.distfun

Geometrical Operations for Distance Functions

Determine Whether One Window is Contained In Another

Distance for a Point Pattern Matching

Methods for Spatial Functions

Create List of Plotting Layers

is.connected.ppp

Determine Whether a Point Pattern is Connected

Lengths of Line Segments

Extract or Replace the Plot Arguments of a Layered Object

Level Set of a Pixel Image

Nearest Neighbours Between Two Patterns

Compute Minimum or Maximum Nearest-Neighbour Distance

Nearest neighbour distances

Methods for Three-Dimensional Box

Nearest neighbour distances in three dimensions

Methods for Multi-Dimensional Box

Mean and Median of Pixel Values in an Image

Test Whether An Object Is A Window

Distance Metric

Merge Levels of a Factor

Test Whether An Object Is A Point Pattern

methods.layered

Methods for Layered Objects

Midpoints of Line Segment Pattern

Count Number of Geometrical Objects in a Spatial Dataset

Methods for Multidimensional Space-Time Point Patterns

Methods for three-dimensional point patterns

methods.unitname

Methods for Units

Nearest Neighbours Between Two Patterns in 3D

multiplicity.ppp

Count Multiplicity of Duplicate Points

Image of Nearest Defined Pixel Value

nearest.raster.point

Find Pixel Nearest to a Given Point

Nearest Neighbour Index Map as a Function

Number of Points in a Point Pattern

K-th Nearest Point Map

Find Line Segment Nearest to Each Point

Nearest Neighbours Between Two Patterns in Any Dimensions

Nearest Neighbour Distances in Any Dimensions

Nearest neighbour distances between line segments

Nearest neighbours in three dimensions

Morphological Opening

Nearest Neighbours in Any Dimensions

Convert Window to Binary Mask under Constraints

Mark of Nearest Neighbour

Colour Map for pH Values

Perspective Plot of Marked Point Pattern

Nearest neighbour

Compute Area of Overlap

Pairwise distances

Make Periodic Copies of a Spatial Pattern

Draw Points or Lines on a Surface Viewed in Perspective

Convert Line Segment Pattern to Pixel Image

Pairwise Distances in Any Dimensions

Pad the Border of a Pixel Image

Pairwise distances

Quadrature Scheme Based on Pixel Grid

Create a Window

plot a Spatial Line Segment Pattern

Pairwise distances between line segments

Perspective Plot of Pixel Image

Plot a List of Images

Plot a Spatial Quadrature Scheme

Plot a List of Things

Perimeter Length of Window

pairdist.default

Pairwise distances

Three Dimensional Point Pattern

Create a Point Pattern

Plot a Colour Map

plot.quadratcount

Plot Quadrat Counts

Pairwise distances in Three Dimensions

Convert Window to Pixel Image

Find Nearest Point in a Region

Convert Point Pattern to Pixel Image

Extract Pixel Centres as Point Pattern

Plot a List of Spatial Objects

Print Brief Details of a Spatial Window

Create a Line Segment Pattern

Number of Line Segments in a Line Segment Pattern

plot a Spatial Point Pattern

plot.pppmatching

Plot a Point Matching

Count Number of Vertices

quadscheme.logi

Generate a Logistic Regression Quadrature Scheme from a Point Pattern

Plot a List of Things

Plot a List of Point Patterns

Print Brief Details of a Point Pattern Dataset

Class of Line Segment Patterns

Convert Line Segment Pattern to Binary Pixel Mask

plot.hyperframe

Plot Entries in a Hyperframe

Quantile Tessellation

Convert Spatial Object to Pixel Image

Plot a Graphics Symbol Map

Print Progress Reports

Convert Line Segment Pattern to Another Unit of Length

Plot a Spatial Window

plot.texturemap

Plot a Texture Map

Quasirandom Patterns

project2segment

Move Point To Nearest Line

Plot a Pixel Image

Generate Quasirandom Point Pattern in Given Window

Plot a Three-Dimensional Point Pattern

Plot a Tessellation

plot.textstring

Plot a Text String

Plot a Yardstick or Scale Bar

Place Points Evenly Along Specified Lines

Create a Point Matching

Convert Window to Another Unit of Length

Tessellation Using Polar Coordinates

pppmatching.object

Class of Point Matchings

Class of Point Patterns

Distance Between Two Point Patterns

Reorder Levels of a Factor-Valued Image or Pattern

Class of Quadrature Schemes

Convert Point Pattern to Another Unit of Length

Estimate window from points alone

Quadrat counting for a point pattern

Random Perturbation of a Point Pattern

Cartesian Coordinates for a Pixel Raster

Rotate a Line Segment Pattern

Require a Specific Version of a Package

Apply Numerical Rounding to Spatial Coordinates

Read Point Pattern From Data File

Distance Map Using Rectangular Distance Metric

selfcrossing.psp

Crossing Points in a Line Segment Pattern

Convert dataset to another unit of length

Explode a Point Pattern by Displacing Duplicated Points

rescue.rectangle

Convert Window Back To Rectangle

Apply Scalar Dilation

scaletointerval

Rescale Data to Lie Between Specified Limits

Convert Pixel Image to Another Unit of Length

Apply Vector Translation To Line Segment Pattern

Multidimensional Space-Time Point Pattern

Print Brief Details of an Image

Cut Line Segments Where They Intersect

Print Brief Details of a Line Segment Pattern Dataset

Create Colour-Valued Pixel Image

Divide Region into Quadrats

sidelengths.owin

Side Lengths of Enclosing Rectangle of a Window

Generate grid of parallel lines with random displacement

Print Names and Version Numbers of Libraries Loaded

Rotate a Window

Print a Quadrature Scheme

split.hyperframe

Divide Hyperframe Into Subsets and Reassemble

Sample Quantiles of Pixel Image

Divide Image Into Sub-images

Summary of a Spatial Window

Quantile Function for Images

Summary of a Point Pattern Dataset

Evaluate Logical Expression Involving Pixel Images and Return Region Where Expression is True

Rotate a Pixel Image

Rotate a Point Pattern

Spatial Dimension of a Dataset

Superimpose Several Geometric Patterns

Apply Vector Translation To Pixel Image

Rotate or Shift Infinite Lines

Graphics Symbol Map

Generate a Quadrature Scheme from a Point Pattern

run.simplepanel

Run Point-and-Click Interface

Reflect In Origin

Determine Which Tile Contains Each Given Point

Names of Tiles in a Tessellation

Detect Numerical Rounding

Create A Regular Polygon

Summary of a Line Segment Pattern Dataset

Generate N Uniform Random Points in a Rectangle

Apply Vector Translation To Window

Simulate systematic random point pattern

Set Covariance of a Window

Apply Vector Translation

spatstat.geom-deprecated

Deprecated spatstat.geom functions

spatstat.geom-internal

Internal spatstat.geom functions

Union of Data and Dummy Points

Summarizing a Quadrature Scheme

Create a Tessellation

Simple Point-and-Click Interface Panels

Approximate a Polygon by a Simpler Polygon

Apply a Function Over a List and Obtain a List of Objects

Spokes pattern of dummy points

List of Two-Dimensional Spatial Objects

test.crossing.psp

Check Whether Segments Cross

Extract Unique Points from a Spatial Point Pattern

restrict.colourmap

Restrict a Colour Map to a Subset of Values

spatstat.geom-package

The spatstat.geom Package

Summarizing a Pixel Image

Separate Multiple Columns of Marks

Text, Arrow or Scale Bar in a Diagram

Volume of an Object

Stratified random point pattern

spatstat.options

Internal Options in Spatstat Package

Reverse the Colours in a Colour Map

Summary of a List of Things

Find Location of Maximum in a Pixel Image

Subset of Point Pattern Satisfying A Condition

subset.hyperframe

Subset of Hyperframe Satisfying A Condition

Plot Image or Tessellation Using Texture Fill

Subset of Line Segment Satisfying A Condition

Summary of a List of Spatial Objects

Compute Areas of Tiles in a Tessellation

Add Text Labels to Spatial Pattern

Rounding of Pixel Values

Convert Pixel Array Between Different Conventions

Apply Vector Translation To Point Pattern

summary.splitppp

Summary of a Split Point Pattern

triangulate.owin

Decompose Window into Triangles

Apply Vector Translation To Box Or Point Pattern In Arbitrary Dimension

Divide Point Pattern into Sub-patterns

Extract the Total Computation Time

Tessellation Delimited by Several Sets

Record the Computation Time

Divide Multidimensional Point Pattern into Sub-patterns

Vertices of a Window

Extract List of Tiles in a Tessellation

Check For Empty Tiles in a Tessellation

Map Duplicate Entries to Unique Entries

summary.anylist

Summary of a List of Things

Unstack Each Spatial Object in a List of Objects

Name for Unit of Length

update.symbolmap

Update a Graphics Symbol Map.

summary.distfun

Summarizing a Function of Spatial Location

Cut margins from rectangle

Test Which Side of Infinite Line a Point Falls On

tweak.colourmap

Change Colour Values in a Colour Map

with.hyperframe

Evaluate an Expression in Each Row of a Hyperframe