NEWS

---

spatstat.geom 3.3-3.003

OVERVIEW

• Tessellations can have any kind of marks.
• Minor improvements.

SIGNIFICANT USER-VISIBLE CHANGES

• tess, marks<-.tess A tessellation can now have any kind of marks (vector, list, data frame or hyperframe).
• intersect.tess Now handles marks of any kind (vector, list, data frame or hyperframe).
• pixelquad Now accepts arguments passed to 'as.mask' to control the pixel resolution.

spatstat.geom 3.3-3 (2024-09-18)

OVERVIEW

• Perspective plot of spatial point pattern with numerical marks.
• Improvements to rjitter.ppp
• Tweaks to documentation.

NEW FUNCTIONS

• persp.ppp For a spatial point pattern with numeric marks, generate a perspective plot in which each data point is shown as a vertical spike, with height proportional to the mark value.

SIGNIFICANT USER-VISIBLE CHANGES

• rjitter.ppp New argument 'adjust' allows the default radius to be adjusted.
• rjitter.ppp The resulting point pattern now has attribute 'radius'.
• rjitter.ppp If 'retry=TRUE', the resulting point pattern now has attribute 'tries' which reports the number of trials that were required.

spatstat.geom 3.3-2 (2024-07-15)

OVERVIEW

• Tweaks to documentation to satisfy the package checker.

spatstat.geom 3.3-1

OVERVIEW

• Tweaks to documentation to satisfy the package checker.

spatstat.geom 3.3-0

OVERVIEW

• 'spatstat.geom' now depends on the new package 'spatstat.univar'.
• Some functions have been moved into the package 'spatstat.univar'.
• Tweaked plot functions.
• More support for diagram objects.
• Stability improvements and bug fixes.

PACKAGE DEPENDENCE

• spatstat.geom 'spatstat.geom' now depends on the new package 'spatstat.univar'. Several functions that were previously provided in 'spatstat.geom' have been moved to 'spatstat.univar'.

NEW FUNCTIONS

• default.symbolmap.ppp The algorithm for determining the graphical symbol map used by plot.ppp.
• default.symbolmap New generic.
• affine.diagramobj, reflect.diagramobj, rotate.diagramobj Methods for geometrical transformations of diagram objects.

SIGNIFICANT USER-VISIBLE CHANGES

• identify.ppp Automatically starts a new plot device and displays 'x' if there is no plot device open.
• identify.psp Identified segments are highlighted. Automatically starts a new plot device and displays 'x' if there is no plot device open.
• plot.owin New argument 'adj.main' controls the justification of the text in the main title.
• plot.colourmap New argument 'nticks' controls the number of axis tick marks when the colourmap is defined on a continuous range of numerical values.
• plot.colourmap New argument 'box' controls whether a box will be drawn around the colours.
• plot.tess Changed the default values for do.col and do.labels
• layout.boxes Argument 'aspect' can be NA or Inf indicating that the aspect ratio of the boxes is unconstrained.
• simplepanel Improved stability.
• shift Improved stability
• as.colourmap.symbolmap A warning message, occurring when the symbolmap contains more than one colour map, is suppressed if the colour maps are identical.
• plot.symbolmap Suppressed warning message (occurring when colour.only=TRUE) about the symbolmap containing several colour maps, when the colour maps were identical.

DELETED FUNCTIONS

• ewcdf This function has been moved to the new package 'spatstat.univar' along with most of the methods for class 'ewcdf'.
• mean.ewcdf, quantile.ewcdf, quantilefun.ewcdf These methods have been moved to the new package 'spatstat.univar'.
• hotrod This function has been moved to the new package 'spatstat.univar'.
• integral The generic 'integral' and the method 'integral.density' have been moved to the new package 'spatstat.univar'.
• quantilefun, quantilefun.ewcdf The generic 'quantilefun' and the method 'quantile.ewcdf' have been moved to the new package 'spatstat.univar'.
• rounding, rounding.default The generic 'rounding' and the method 'rounding.default' have been moved to the new package 'spatstat.univar'.
• transformquantiles This function has been moved to the new package 'spatstat.univar'.
• weighted.median This function has been moved to the new package 'spatstat.univar'.
• whist This function has been moved to the new package 'spatstat.univar'.
• uniquemap, uniquemap.default, uniquemap.data.frame, uniquemap.matrix The generic 'uniquemap' and these methods have been moved to the new package 'spatstat.univar'.
• unnormdensity This function has been moved to the new package 'spatstat.univar'.

BUG FIXES

• plot.ppp, default.symbolmap.ppp Ignored 'zerosize' in some cases. Fixed.
• plot.symbolmap Issued strange warnings in some cases. Fixed.
• symbolmap Crashed in some instances when 'inputs' was given and the graphical parameters included both functions and vectors. Fixed.

spatstat.geom 3.2-9 (2024-02-28)

OVERVIEW

• Some geometry code accelerated.

NEW FUNCTIONS

• summary.symbolmap, print.summary.symbolmap Method for 'summary' for symbol maps.

SIGNIFICANT USER-VISIBLE CHANGES

• as.rectangle Accelerated in many cases.
• diameter.owin Accelerated when the window is a rectangle.
• nncross.ppp Slightly accelerated.
• owin Accelerated in many cases.

spatstat.geom 3.2-8 (2024-01-26)

OVERVIEW

• Improvements to window geometry code.
• Improvements to symbol map displays.

SIGNIFICANT USER-VISIBLE CHANGES

• is.subset.owin Algorithm slightly modified to give better results when the two polygons share some common edges.
• plot.ppp New argument 'minsize' specifies the size of the smallest symbol used to represent the marks, when the marks are numeric.
• plot.ppp New argument 'zerosize' specifies the size of the symbol used to represent the mark value 0, when marks are numeric.
• plot.symbolmap New argument 'representatives' specifies which data values will be shown in the plot.

spatstat.geom 3.2-7 (2023-10-20)

OVERVIEW

• Minor corrections to the help files.

spatstat.geom 3.2-6

OVERVIEW

• Minor improvements.
• spatstat.geom no longer suggests 'maptools'.

SIGNIFICANT USER-VISIBLE CHANGES

• as.im.tess New argument 'values'.

spatstat.geom 3.2-5 (2023-09-05)

OVERVIEW

• Extension of distance transform algorithm.
• Improvement to progress reports.
• Suppress annoying warnings.
• Further bug fix in quadratcount

SIGNIFICANT USER-VISIBLE CHANGES

• distmap.owin New argument 'connect'.
• progressreport The estimated time of completion is also printed, if the remaining time is longer than 10 minutes.
• unnormdensity Suppress annoying warning messages from density.default. This affects many functions in the spatstat family of packages.

BUG FIXES

• quadratcount Crashed if argument 'tess' was a rectangular grid tessellation. Fixed.

spatstat.geom 3.2-4 (2023-07-20)

OVERVIEW

• Connected component transform can now use a 4-connected grid.
• Bug fixes in quadrat counting code.

SIGNIFICANT USER-VISIBLE CHANGES

• connected.owin, connected.im New argument 'connect' specifies the connectivity of the raster, either 4 or 8 neighbours for each pixel.
• round.ppp, round.pp3, round.ppx Now has ellipsis argument '...' for conformity with generic 'round'

BUG FIXES

• as.mask If 'w' was a rectangle and 'xy' was specified, the pixel entries were all TRUE, instead of only being TRUE within the window 'w'. Fixed.
• intensity.quadratcount Results were incorrect if the quadrats were a mixture of irregular polygons and rectangles.
• quadratcount.ppp If the window was irregular and some of the tiles did not intersect the window, the counts were given the wrong tile labels. Fixed.
• plot.quadratcount If the window was irregular and some of the tiles did not intersect the window, the counts were displayed in the wrong tiles. Fixed.

spatstat.geom 3.2-2 (2023-07-05)

OVERVIEW

• Bug fixes and minor improvements.

SIGNIFICANT USER-VISIBLE CHANGES

• as.mask Improved numerical performance (rounding error).

BUG FIXES

• quantess.owin The window of the resulting tessellation was sometimes slightly different from the original window M. Fixed.
• intensity.quadratcount Results were incorrect if the quadrats were the intersections of a rectangular grid with an irregular window and all quadrats were nonempty. Fixed.

spatstat.geom 3.2-1 (2023-05-09)

OVERVIEW

• Fixed errors and omissions in documentation.
• Minor improvements in C code.

spatstat.geom 3.2-0

OVERVIEW

• We thank Warick Brown and Tilman Davies for suggestions.
• More options for converting polygons to a binary mask.
• More options for controlling pixel size.
• Improvement to progress reports.
• Minor tweaks to package documentation.

NEW FUNCTIONS

• psp2mask Function 'as.mask.psp' has been renamed 'psp2mask'. The old function 'as.mask.psp' still exists, but it will soon be deprecated, and ultimately removed.

SIGNIFICANT USER-VISIBLE CHANGES

• owin2mask New options op="majority" and op="minority". If op="majority", a pixel belongs to the resulting mask if at least half of the pixel area is covered by the window.
• as.mask New argument 'rule.eps' specifies what to do when the desired pixel size is not a divisor of the frame size.
• as.im Many methods for 'as.im' now have argument 'rule.eps'.
• discretise New argument 'rule.eps'
• distfun New argument 'rule.eps'
• nnfun New argument 'rule.eps'
• progressreport New argument 'formula' controls the calculation of estimated time remaining.
• progressreport New argument 'savehistory' specifies whether to save the elapsed times when the function was called.

spatstat.geom 3.1-0 (2023-03-12)

OVERVIEW

• Methods for "[[" and "[[<-" for hyperframes.
• Colour map for pH values.
• Restrict a colour map to a narrower range of values.
• Integral of a one-dimensional density estimate.
• Minor improvements and bug fixes.

NEW FUNCTIONS

• "[[.hyperframe", "[[<-.hyperframe" Methods for "[[" and "[[<-" for hyperframes.
• pHcolourmap, pHcolour Colour map for values of pH
• restrict.colourmap Restrict a colourmap to a narrower range of values.
• integral.density Compute the integral of a one-dimensional kernel density estimate.
• as.colourmap Extract colour information from an object.

SIGNIFICANT USER-VISIBLE CHANGES

• plot.symbolmap New argument colour.only makes it possible to display only the colour map information in a symbolmap.
• "[.hyperframe", "[<-.hyperframe" Improved error message when the format of index i or j is not supported.
• unnormdensity Computation accelerated.
• unnormdensity Handles datasets containing fewer than 2 values.

BUG FIXES

• unnormdensity If 'weights' was a single numerical value 'w', the calculation incorrectly assigned the weight for each observation to be 'w/n' where 'n=length(x)'. Fixed.
• unnormdensity A crash could occur if 'x' was a very long vector, with an error message originating from 'deparse1'. Fixed.

spatstat.geom 3.0-6 (2023-01-30)

OVERVIEW

• Bug fix.

BUG FIXES

• harmoniseLevels Crashed sometimes, in older versions of R, with an obscure error message from 'mapply'. Fixed.

spatstat.geom 3.0-5 (2023-01-22)

OVERVIEW

• Convert several factors or factor-valued images to a common set of levels.
• Extension to rjitter
• Alternative to rjitter
• Quantile function as a function
• Improvements to plot code.

NEW FUNCTIONS

• harmoniseLevels Given several factors or factor-valued pixel images, convert them all to have the same set of factor levels.
• rexplode 'Explode' a point pattern by randomly displacing each group of duplicated points to make a circular pattern around the original location. An alternative to 'rjitter'.
• quantilefun Return a function that computes any quantiles of a given dataset.

SIGNIFICANT USER-VISIBLE CHANGES

• rjitter.ppp If 'trim=TRUE', the displacement radius will be constrained to be less than or equal to the distance from the data point to the window boundary.
• plot.ppp For multitype point patterns, a warning is issued if the plot legend does not represent every possible type of point due to space restrictions.
• plot.symbolmap New argument 'warn'.
• plot.symbolmap Issues a warning if the plot of a discrete symbol map does not represent every possible input value, due to space restrictions.
• plot.solist When equal.ribbon=TRUE, the images may now be factor-valued or character-valued. Character-valued images will be converted to factor-valued images. The common colour map will combine the levels of all the factor images.

BUG FIXES

• "[<-.im" Errors occurred in x[] <- v when x and v were both factor-valued but with different sets of levels.
• rjitter.ppp If retry=FALSE, marks were ignored. Fixed.

spatstat.geom 3.0-4

OVERVIEW

• Improvements to perspective plots.

SIGNIFICANT USER-VISIBLE CHANGES

• perspPoints, perspLines, perspSegments, perspContour New argument 'occluded' specifies whether the surface should be treated as opaque or transparent.

spatstat.geom 3.0-3 (2022-10-25)

OVERVIEW

• Minor internal changes to satisfy package checker.

spatstat.geom 3.0-2

OVERVIEW

• Minor internal changes to satisfy package checker.

spatstat.geom 3.0-1

OVERVIEW

• Minor internal changes.

spatstat.geom 3.0-0

OVERVIEW

• Minor improvements and bug fixes.
• Changes to package dependence.

NEW FUNCTIONS

• is.linnet Test whether an object is a linear network.
• as.data.frame.ppplist Method for 'as.data.frame' for lists of point patterns.

SIGNIFICANT USER-VISIBLE CHANGES

• Package dependence spatstat.geom now suggests the new packages spatstat.explore and spatstat.model, which have replaced spatstat.core.
• crosspairs.ppp New argument 'periodic' specifies whether to use periodic (toroidal) distances.
• crosspairs.ppp New arguments 'iX', 'iY' make it possible to eliminate pairs in which the two points are identical.
• bufftess The result now has attribute 'breaks' which is the vector of distance breakpoints.
• contour.im New argument 'log' specifies whether the contour lines should be equally spaced on a logarithmic scale.
• plot.im, image.im New argument 'addcontour' specifies that contour lines should be drawn over the image plot.
• invoke.symbolmap New argument 'angleref'.
• funxy The result now has a unitname, inherited from the argument W.
• integral.im New argument 'weight' specifies a weight function for the integration.
• markstat, applynbd These functions now work for point patterns in three dimensions (class 'pp3') and point patterns on a network (class 'lpp').
• plot.psp New argument 'use.marks', for consistency with other methods.

BUG FIXES

• framedist.pixels Result was always a matrix, regardless of the value of 'style'. Fixed.
• plot.im Ignored ribargs$labels. Fixed.
• plot.ppp Crashed with an obscure message when argument 'shape' was given, unless argument 'size' was also given. Fixed.
• closepairs Crashed if npoints(X)^2 exceeded the largest possible integer. Fixed.
• crosspairs Crashed if npoints(X) * npoints(Y) exceeded the largest possible integer. Fixed.

spatstat.geom 2.4-0 (2022-03-29)

OVERVIEW

• We thank Fernando Milesi, Suman Rakshit and Mark Walsh for contributions.
• Bug fixes in 'distmap' and 'distfun'.
• Bug fixes in 'closepairs'.
• Bug fixes in 'nncross.ppp'.
• Minor improvements and bug fixes.

NEW FUNCTIONS

• framedist.pixels Computes distance from each pixel to the enclosing rectangle.

SIGNIFICANT USER-VISIBLE CHANGES

• nncross.ppp When X is a point pattern and Y is a line segment pattern, higher order neighbours (k > 1) are now supported.
• intersect.tess New argument 'keepempty'.
• unnormdensity Argument 'weights' may have length 1. New argument 'defaults'.
• distmap.owin Behaviour has been altered so that, when X is a binary mask, the results of distmap(X, invert=TRUE) and distmap(complement.owin(X)) are identical. This affects a few pixels close to the edge of the frame. [Suggested by Fernando Milesi.]
• distmap.ppp New argument 'clip'.

BUG FIXES

• distmap.owin If the window was a binary mask, the distance values were slightly too large (by a factor 1 + 1/n where n is the pixel grid dimension), due to a coding error. [Spotted by Fernando Milesi.] Fixed.
• distfun.owin If the window was a binary mask, the distance values were slightly too small (typically reduced by 1/20 of a pixel width). [Spotted by Fernando Milesi.] Fixed.
• distmap.owin Values were incorrect if X was an empty window (is.empty(X) = TRUE). Fixed.
• distmap.ppp, distmap.psp Values were incorrect if X was an empty pattern (npoints(X) = 0). Fixed.
• distmap.psp Values were incorrect if X was an empty pattern (nsegments(X) = 0). Fixed.
• closepairs.ppp If distinct=FALSE and what="all", the resulting vectors 'yi' and 'yj' contained incorrect values, and had the wrong length. Fixed.
• nncross.ppp When k > 1, distance values were incorrectly replaced by 'Inf' in some cases. Fixed.
• closepairs.ppp Crashed with a message 'unable to allocate memory' if the window of X had zero area. Fixed.
• crosspairs.ppp Crashed with a message 'unable to allocate memory' if the window of Y had zero area. Fixed.
• closepairs.pp3 Crashed with a message 'unable to allocate memory' if the domain of X had zero volume. Fixed.
• crosspairs.pp3 Crashed with a message 'unable to allocate memory' if the domain of Y had zero volume. Fixed.
• as.im.owin If 'value' was a categorical (factor) value, the result was not a factor-valued image. Fixed.
• tile.areas For a tessellation defined by a pixel image, the result of tile.areas() was not a numeric vector. [Spotted by Suman Rakshit.] Fixed.
• dirichlet Rarely, the number of tiles in the tessellation was less than the number of unique data points. This occurred only when the window was a binary mask. [Spotted by Suman Rakshit.] Fixed.

spatstat.geom 2.3-2 (2022-02-12)

OVERVIEW

• 'spatstat.geom' now suggests the package 'spatstat.random'.
• Updated help files to refer to 'spatstat.random'.

spatstat.geom 2.3-1 (2021-12-10)

OVERVIEW

• New options for weighted.quantile
• Minor improvements.

SIGNIFICANT USER-VISIBLE CHANGES

• weighted.quantile New argument 'type' allows the user to choose between several rules for the weighted quantile.
• weighted.median New argument 'type' allows the user to choose between several rules for the weighted median. The default rule has changed.
• perspSegments Improved quality of result when pixels are not square.
• nndist.ppp, nnwhich.ppp Argument 'by' can be a factor, a logical vector, a pixel image with factor values, a tessellation, a window, the string 'marks' (if marks(x) is a factor), or the name of one of the columns of marks (if marks(x) is a data frame).
• nndist.pp3, nnwhich.pp3 Argument 'by' can be a factor, a logical vector, the string 'marks' (if marks(x) is a factor), or the name of one of the columns of marks (if marks(x) is a data frame).
• split.ppp, split.ppx The argument 'f' may now be the character string "marks", signifying 'f=marks(X)', provided 'marks(X)' is a factor.
• owin If argument 'mask' is a logical matrix, NA entries will be accepted, and converted to FALSE.

spatstat.geom 2.3-0 (2021-10-09)

OVERVIEW

• Quantile transformation.
• Distance metric based on a convex set.
• Basic support for calculations using non-Euclidean distance metrics.
• Improvements to 'rjitter'.

NEW CLASSES

• metric An object of class 'metric' represents a distance metric. See help(metric.object).

NEW FUNCTIONS

• transformquantiles Transform the quantiles of a vector, matrix, array or pixel image.
• convexmetric Distance metric based on a convex set.
• mean.ecdf, mean.ewcdf Calculate the mean of an empirical cumulative distribution function.
• invoke.metric Low level function to perform a desired operation using a given metric.
• rjitter.ppp This function was previously called 'rjitter'. It is now a method for the new generic function 'rjitter'.

SIGNIFICANT USER-VISIBLE CHANGES

• pairdist.ppp, crossdist.ppp, nndist.ppp, nnwhich.ppp, nncross.ppp New argument 'metric' specifies a non-Euclidean distance metric to measure the distances.
• distmap.ppp, distmap.owin, distmap.psp New argument 'metric' specifies a non-Euclidean distance metric to measure the distances.
• disc New argument 'metric' specifies a non-Euclidean distance metric defining the disc.
• rjitter The function previously called 'rjitter' is now called 'rjitter.ppp' and is now a method for the new generic 'rjitter'.
• rjitter.ppp The argument 'radius' may be a numeric vector, specifying a different displacement radius for each data point.

BUG FIXES

• as.mask Crashed if 'Frame(w)' had zero height or zero width. Fixed.

spatstat.geom 2.2-2 (2021-07-12)

OVERVIEW

• Bug fix in package information.

spatstat.geom 2.2-1

OVERVIEW

• More options for converting a window to a mask.
• Minor improvements and internal upgrades.

NEW FUNCTIONS

• owin2mask Convert a window to a mask, with various options, affecting the treatment of the boundary.

SIGNIFICANT USER-VISIBLE CHANGES

• where.max, where.min Argument 'x' may be either a pixel image (class 'im') or data that can be converted to a pixel image by 'as.im'.

spatstat.geom 2.2-0 (2021-06-15)

OVERVIEW

• We thank Warick Brown for contributions.
• Buffer tessellation
• New options for distmap.psp

NEW FUNCTIONS

• bufftess Distance buffer tessellation

SIGNIFICANT USER-VISIBLE CHANGES

• distmap.psp New arguments 'extras' and 'clip'

spatstat.geom 2.1-0 (2021-04-15)

OVERVIEW

• We thank Hank Stevens for contributions.
• Extension to 'discretise'.
• Bug fix in nncross
• Minor improvements and bug fixes

SIGNIFICANT USER-VISIBLE CHANGES

• discretise New argument 'move.points' determines whether the point coordinates are also discretised.
• summary.im Output improved when the image is empty (i.e. when all pixel values are undefined).

BUG FIXES

• nncross.ppp If the argument 'by' was given, some of the results were incorrect. [Spotted by Hank Stevens.] Fixed.
• nncross.ppp, nncross.pp3 If 'iX' and 'iY' were given, some of the results were incorrect. Fixed.

spatstat.geom 2.0-1 (2021-03-22)

OVERVIEW

• Minor bug fix

BUG FIXES

• pixellate.ppp crashed if 'weights' contained any NA values. Fixed.

spatstat.geom 2.0-0

OVERVIEW

• Reduced package dependence.
• Improvement to venn.tess.
• Changed default value of 'stringsAsFactors'.

SIGNIFICANT USER-VISIBLE CHANGES

• spatstat.geom No longer depends on 'spatstat.sparse'.
• venn.tess New argument 'labels'.
• hyperframe, as.im.function The formal default value of 'stringsAsFactors' has been changed to 'NULL' to conform to changes in R. (The actual default value is TRUE for R < 4.1.0 and FALSE for R >= 4.1.0)
• plot.psp The code for 'style="width"' has been completely rewritten, so that it no longer depends on plot.linim, and is more efficient. The formal argument list has been extended.
• integral.im Accelerated in the case where 'domain' is a tessellation.
• cbind.hyperframe Row names are not altered (previously they were altered using 'make.names')
• [.ppx New argument 'clip'

BUG FIXES

• colourmap If a colour map was applied to numbers lying outside the range of the colour map, the wrong number of NA's was sometimes produced. Fixed.
• MinkowskiSum Crashed sometimes with an error message about 'sumconnected'. Fixed.
• hyperframe Crashed if the argument 'row.names' was given and the hyperframe had exactly one row. Fixed.

spatstat.geom 1.65-8

OVERVIEW

• Reduced package dependence.

SIGNIFICANT USER-VISIBLE CHANGES

• spatstat.geom No longer depends on 'spatstat.sparse'.

spatstat.geom 1.65-7

OVERVIEW

• Tweak.

spatstat.geom 1.65-6

OVERVIEW

• We thank Jean-Francois Coeurjolly for contributions.
• Bug fix in 'inradius'

BUG FIXES

• inradius Coded incorrectly for rectangular windows. [Spotted by Jean-Francois Coeurjolly] Fixed.

spatstat.geom 1.65-5 (2021-01-15)

OVERVIEW

• Minor changes to satisfy CRAN.

spatstat.geom 1.65-4

OVERVIEW

• Minor changes to satisfy CRAN.

spatstat.geom 1.65-3

OVERVIEW

• NEWS file initialised.

spatstat.geom 1.65-2

OVERVIEW

• Minor changes to satisfy CRAN.

spatstat.geom 1.65-1

OVERVIEW

• Minor changes to satisfy CRAN.

spatstat.geom 1.65-0

OVERVIEW

• Package initialised at version 1.65-0 from a subset of spatstat.
• Increased speed for large datasets.
• Bug fix in crossdist.pp3 with periodic distances.
• Bug fixes and minor improvements.

SIGNIFICANT USER-VISIBLE CHANGES

• spatstat.geom The package 'spatstat.geom' has been created from a subset of the code in the original 'spatstat' package version 1.65-0. It contains definitions of geometrical objects (windows, point patterns, pixel images, etc) and operations on them (geometry, superposition, image arithmetic, etc).
• Execution The 'spatstat.geom' package is slightly faster than the corresponding code in the 'spatstat' package, because the procedure for calling internal C functions has been streamlined.
• dirichletEdges New argument 'clip'.
• harmonise.im The result belongs to class 'solist' and 'imlist' so that it can be plotted.

BUG FIXES

• crossdist.pp3 Results with periodic=TRUE were partially incorrect. Fixed.
• affine.owin For mask windows, the pixel resolution of the result was too fine, leading to very large datasets. Fixed.
• affine.im If the transformation matrix was not diagonal, the pixel resolution of the result was too fine, leading to very large datasets. Fixed.
• plot.ppp For a point pattern in a binary mask window, if both arguments 'col' and 'cols' were given, the points were coloured according to 'col', which was incorrect. Fixed.
• dirichletEdges Crashed if any edges crossed the boundary of the window. Fixed.
• unitname Spatial datasets with incorrect internal format (or using an out-of-date version of the spatstat format) caused an error if the 'units' package was loaded. Fixed.