RELEASE NOTES 

		spatstat 1.14-7

		17 november 2008
	
OVERVIEW
	Urgent bug fixes. 
	New morphological operators.

DEPENDENCE
	spatstat now requires R version 2.7.0 or later.

NEW FUNCTIONS
	
	opening.owin
	closing.owin
		Morphological opening and closing of windows.

	erosion.owin
	dilation.owin
		Synonyms for erode.owin and dilate.owin respectively.

IMPROVEMENTS/ENHANCEMENTS

	smooth.ppp
		Numerical stability has been improved. 

	dilate.owin
		Now accepts empty windows (and returns an empty window).

	erode.owin
		New argument 'strict' determines the fate of boundary pixels.

	diagnose.ppm
		Numerical stability improved.

BUGS

	[1] nearestsegment, project2segment
		Did not correctly handle points with zero distance
		(i.e. points lying exactly on a line segment).
		Fixed.

	[2] diagnose.ppm
		Crashed (on some systems) while plotting,
		if the data were pathologically sparse.
		Fixed.

	[3] smooth.ppp
		Pixel values in the output image could be infinite
		in some extreme cases.
		Fixed.