Geometrical operators

Files
file	affine.c
	affine transformation of a 2D image
file	animscenes.c
	generates intermediate scenes by interpolation
file	attribute.c
	labels each connected component with its attribute value
file	autocrop.c
	eliminates null regions at the periphery of an image
file	barycentre.c
	compute the center of gravity of each connected component
file	barycentrelab.c
	compute the center of gravity of each labeled region
file	boxmin.c
	minimal box including a given set of points
file	circleincl.c
	circle identification and drawing from spare points
file	convexhull.c
	convex hull of a set of points in the 2D plane
file	crop.c
	extracts a rectangular (cuboidal in 3d) area from an image
file	curvatures.c
	compute the curvatures of a natural cubic spline
file	curve2segments.cxx
	computes a covering of a digital curve by digital straigh line segments
file	curve2spline.c
	converts a discrete open curve into a spline
file	deframe.c
	suppress the frame from an image
file	delaunay.c
	delaunay triangulation
file	delaunaymask.c
	delaunay triangulation
file	drawellipse.c
	Draws an ellipse.
file	drawscene.c
	draw a 3D scene which is specified by a text file into a 3D pgm image
file	drawspline.c
	draw a spline which is specified by its control points
file	drawsplineorient.c
	draw spline orientations in a vector field
file	drawsplines.c
	draw spline segments which are specified by a text file
file	drawsplinesorient.c
	draw spline orientations in a vector field (multiple spline version)
file	drawtriangulation.c
	draw a triangulation
file	eden.cxx
	growth and/or shrinking of an 2D binary image - Eden process
file	ellipsefit.c
	ellipse identification and drawing from spare points
file	ellipseincl.c
	ellipse identification and drawing from spare points
file	ellipseparams.c
	ellipse identification and main parameter computation
file	enframe.c
	adds a border with a given gray value to an image
file	enframe3d.c
	adds a border with a given gray value to an image
file	extractline.c
	extracts a line between two given points from a 3D image
file	extractplane.c
	extracts a plane normal to one of the directions x,y,z from a 3D image
file	fitcircle.c
	fits a circle which locally minimizes gray levels
file	frame.c
	generates an image with a white border and a black interior
file	genfield.c
	generates a null vector field of given size
file	genimage.c
	generates a monocolor image of given size
file	genplane.c
	generates a plane normal to one of the directions x,y,z
file	identifyline.c
	identification of a best matching line from a set of 2D points
file	identifyparabola2.c
	identification of a best matching parabola from a set of 2D points
file	identifyparabola3.c
	identification of a best matching parabola from a set of 2D points
file	identifyplane.c
	identification of a best matching plane from a set of 3D points
file	insert.c
	inserts an image into another image
file	isometry.c
	basic isometries in 3D
file	lengthspline.c
	computes the length of a spline which is specified by its control points in a text file
file	lengthsplines.c
	computes the lengths of splines which are specified by their control points in a text file
file	matchrect.c
	matches (rounded) rectangles to the contours of objects
file	maxdiameter.c
	maximal diameter of a binary image
file	moments.c
	calcul des moments d'ordre 1 et 2 d'une image binaire (nuage de points)
file	offset.c
	image translation
file	ombre.c
	binary shadow of a grayscale function
file	pgm2closedcurve.c
	extracts a curve from a binary image
file	pgm2curve.c
	extracts a curve from a binary image
file	planarity.c
	computes a planarity measure for each connected component
file	point.c
	modifies the value of a given point
file	points2spline.c
	converts a sequence of control points into a spline
file	proj.c
	projection parallel to one of the main axes
file	projsphere.c
	projection on a sphere
file	quasishear.c
	quasi shear rotation
file	recalagerigide.c
	rigid registration of two closed contours
file	recalagerigide_num.c
	rigid registration of two grayscale images
file	recalagerigide.c
	rigid registration of two closed contours
file	rotate.c
	rotation of an image
file	rotate3dbin.c
	rotation of an image
file	rotatebin.c
	rotation of an image
file	rotse.c
	rotation of a structuring element
file	samplespline.c
	samples a cubic spline according to its curvilinear abcissa
file	seamcarving.c
	applies the seam carving method to shrink an image
file	section.c
	computes a 2d cross section from a 3d image
file	sym.c
	symmetry (vertical, horizontal, central in 2D; x, y, z in 3D)
file	symse.c
	inverse of a structuring element
file	translate.c
	image translation
file	zoom.c
	zoom (shrink or expand) an image
file	zoomint.c
	zoom by an integer factor