libWlz Directory Reference

Files
file	Wlz.h [code]
	Main (top-level) Woolz header file which includes all other header files required by Woolz.
file	Wlz2DContains.c
	Takes a WLZ_2D_DOMAINOBJ, calls WlzLabel to split the domain and returns the one containing point(x,y).
file	Wlz3DProjection.c
	Generates the projection or back-projection of a domain object from 3D to 2D and visa versa.
file	Wlz3DSection.c
	Functions for cutting 2D sections from 3D objects.
file	Wlz3DSectionFromGeoModel.c
	Functions to cut a 2D geometric model from a 3D geometric model.
file	Wlz3DSectionSegmentObject.c
	Segments a 3D object into 2 parts determined by the input section plane. The parts are the domains on either side of the plane.
file	Wlz3DSubSection.c
	Return a sub-region of a 3D section via a 3D section transform.
file	Wlz3DViewStructUtils.c
	Utility functions associated with 3D views.
file	Wlz3DViewTransformObj.c
	View transformation functions.
file	Wlz3DWarpMQ_S.c
	Generates a regular tetrahedral mesh for a 3D domain.
file	WlzAffineTransform.c
	Functions for computing affine transforms and applying them to objects.
file	WlzAffineTransformLSq.c
	Functions for computing Woolz affine transforms that give the best fit, in a least squares sense, when used to transform one set of vertices to another.
file	WlzArea.c
	Computes the area of an object.
file	WlzArray.c
	Functions for converting between domain objects and arrays.
file	WlzAssign.c
	Woolz objects domains and values maintain a linkcount, which records it's usage by other objects, domains or values. To increment a linkcount the appropriate assignment function should be used.
file	WlzAutoCor.c
	Functions to compute the autocorrelation of an object.
file	WlzBackground.c
	Functions to get and set the background value of objects.
file	WlzBasisFn.c
	Functions for creating and manipulating basis functions.
file	WlzBasisFnTransform.c
	Functions for computing and applying basis function transforms.
file	WlzBoundaryUtils.c
	Simple functions that operate on boundary lists.
file	WlzBoundingBox.c
	Functions for computing the axis aligned bounding box of objects.
file	WlzBoundToObj.c
	Functions to convert a boundary object or domain to a domain object.
file	WlzBSpline.c
	Functions to create and compute B-spline domain objects.
file	WlzBuildObj.c
	Functions to allow spatial domain objects with values to be built incrementally.
file	WlzCannyDeriche.c
	A Canny-Deriche edge detection filter.
file	WlzCbThreshold.c
	Threshold an object using a callback function to determine if the pixel value satifies the threshold criteria.
file	WlzCCor.c
	Computes the cross correlation of two objects.
file	WlzCentrality.c
	Functions for computing the centrality of a feature domain with respect to a boundary domain. See WlzCentrality().
file	WlzCentreOfMass.c
	Computes the centre of mass of objects.
file	WlzClipObjToBox.c
	Functions for clipping the domain of either 2D or 3D domain objects so that they lie within the given axis aligned biunding box.
file	WlzCMeshCurvature.c
	Functions to compute curvatures on conforming simplical meshes.
file	WlzCMeshDispField.c
	Functions transferring displacements between meshes and displacement fields.
file	WlzCMeshExtrapolate.c
	Functions to extrapolate values within conforming meshes.
file	WlzCMeshFMar.c
	Fast marching methods within conforming meshes.
file	WlzCMeshIntersect.c
	Functions for computing the intersection with conforming meshes.
file	WlzCMeshScan.c
	Iterators for scanning through CMesh based objects and domains.
file	WlzCMeshSMReg.c
file	WlzCMeshSurfMap.c
	Functions for computing surface mappings that are based on conformal transformations and other mappings between surfaces and planes.
file	WlzCMeshTransform.c
	Functions for creating and applying 2D and 3D conforming mesh transforms.
file	WlzCMeshUtils.c
	Utility functions for 2D and 3D graph based conforming simplical meshes.
file	WlzCMeshValueTransfer.c
	Functions for transfering values from one mesh to another.
file	WlzCompDispIncGrey.c
	Functions to compute vector displacement maps from two warps of domain objects which originate from a common object with incrementing integer grey values.
file	WlzCompoundArrayToScalar.c
	Functions to convert vector values held in a compound array to scalar values in a domain object.
file	WlzCompThresh.c
	Functions for computing a threshold value from a histogram object.
file	WlzConComThreshold.c
	Functions to perform connected component thresholding.
file	WlzConstruct3D.c
	Functions to construct 3D domain objects from 2D domain objects.
file	WlzContour.c
	Functions for extracting contours from objects.
file	WlzConvertPix.c
	Conversion of values.
file	WlzConvexHull.c
	Functions for computing the convex hull of objects.
file	WlzConvexHull3D.c
	Functions for computing 3D convex hull domains.
file	WlzConvexHullClarkson.c
	Functions to compute convex hulls using the Clarkson's algorithm.
file	WlzConvolve.c
	Functions for convolving the values of domain objects.
file	WlzCopy.c
	Functions to make 'deep' copies of objects.
file	WlzCutObjToBox.c
	Functions for creating new domain objects with rectangular value tables.
file	WlzDebug.c
	Default debugging text and object output functions for the Woolz library flag based debugging system.
file	WlzDebug.h [code]
	Defines the Woolz debug masks and function prototypes.
file	WlzDiffDomain.c
	Functions for computing the domain difference between objects.
file	WlzDiffDomain3d.c
	Functions for computing the domain difference between 3D objects.
file	WlzDilation.c
	Functions for dilating objects with spatial domains.
file	WlzDistAllNearest.c
	Functions to compute nearest points in a reference domain at all points in a foreground domain.
file	WlzDistMetric.c
	Functions to compute the Hausdorff distance, mean nearest neighbour and the median nearest neighbour distances between two datasets.
file	WlzDistTransform.c
	Distance transform functions which calculate the distance of every pixel/voxel in a foreground object from a reference object.
file	WlzDomainFill.c
	Functions to fill holes in domain objects.
file	WlzDomainFill3D.c
	Functions to fill holes in 3D voxel domain objects.
file	WlzDomainNearby.c
	Functions for computing the portion of a domain which is nearby (all pixels/voxels less than a given distance from) given locations.
file	WlzDomainUtils.c
	Utility functions for domains.
file	WlzDrawDomain.c
	Functions for composing a domain from simple drawing commands.
file	WlzEmpty.c
	Convenience functions to check empty status of objects.
file	WlzErosion.c
	Morphological erosion of domain objects.
file	WlzErosion4.c
	Performs 4-connected erosion on domain objects.
file	WlzError.c
	Error related functions for the Woolz library.
file	WlzError.h [code]
	Definitions of Woolz error codes.
file	WlzExplode3D.c
	Explodes a 3D domain object into 2D domain objects.
file	WlzFacts.c
	Text description (facts) of Woolz objects.
file	WlzFillBlankPlanes.c
	Fills blank planes of a 3D object. Originally this was used by MAPaint to allow painting of intermediate planes.
file	WlzFilterNObjValues.c
	Computes a domain object in which the values are the filtered values of the input objects at the same positions.
file	WlzFitPlane.c
	Functions for computing best fit planes.
file	WlzFourier.c
	Functions for computing Fourier transforms and their inverse.
file	WlzFreeSpace.c
	Functions for freeing objects and their components.
file	WlzGauss.c
	Gaussian filter fo 2D objects with values. Uses WlzSepTrans() and for colour images can only do smoothing correctly (i.e. derivative zero).
file	WlzGaussNoise.c
	Functions for making Gaussian noise filled objects.
file	WlzGeometry.c
	Geometric utility functions.
file	WlzGeometryTrackUpAndDown_s.c
	Tracks contours forming surface patches.
file	WlzGeoModel.c
	Basic operators for manipulating Woolz geometric models. These can be either planar graphs or 3D surfaces, with the surfaces being either manifold or non-manifold.
file	WlzGeoModelCellGridWSp.c
	Functions to create and free geometric models cell grid work spaces.
file	WlzGeoModelCut.c
	Functions to cut geometric models (GM's).
file	WlzGeoModelFilters.c
	Filters for geometric models (GM's).
file	WlzGeoModelStats.c
	Functions to compute statistics about geometric models.
file	WlzGreyCrossing.c
	Computes a domain object with grey values in which the values encode the direction at each pixel of a grey value transition. If the given grey value is zero then this is the zero crossing direction.
file	WlzGreyDitherObj.c
	Makes a dithered object from the given grey-level object.
file	WlzGreyExtremum.c
	Finds the location of extremum values within an object.
file	WlzGreyGradient.c
	Computes objects in which the grey values are the gradient of the gray values in the original image.
file	WlzGreyInvertMinMax.c
	Grey value inversion.
file	WlzGreyMask.c
	Functions to set the value within the domain of a object.
file	WlzGreyModGradient.c
	Functions to calculate the modulus of the grey-level gradient of Woolz objects.
file	WlzGreyNormalise.c
	Normalises the grey-values of an object to the range [0 - 255]. Colour images have each channel independently normalised. For proportional normalisation of colour use WlzGreySetRange directly. To determine the modulus range use WlzRGBAModulusRange().
file	WlzGreyRange.c
	Computes the grey range of an object. Note that the colour range returned is the independent max and min values for each channel.
file	WlzGreyScan.c
	Object grey value scanning functions.
file	WlzGreySetHilbert.c
	Functions for creating objects with integral grey values that are related to their Hilbert indices.
file	WlzGreySetIncValues.c
	Functions for creating objects with integer grey values that increment.
file	WlzGreySetRange.c
	Sets the new grey range for an object using simple linear interpolation.
file	WlzGreySetRangeLut.c
	Transforms the grey-values of a grey-level object using a look-up-table.
file	WlzGreySetValue.c
	Sets the grey values of objects.
file	WlzGreyStats.c
	Calculates simple statistics about an object's grey values.
file	WlzGreyTemplate.c
	Attach a grey table to a template object.
file	WlzGreyTransfer.c
	Transfers grey values from a source to a destination object. The source object grey values are set in the intersection domain between source and destination. Destination domain and the destination values outside of the intersection are unchanged.
file	WlzGreyValue.c
	Provides functions for random access to the grey values of 2D and 3D domain objects.
file	WlzGreyValueMixing_s.c
	Functions to mix the grey values of two woolz object and produce a new object using \[ o = (1 - x) o_1 + x o_2 \] .
file	WlzGreyVariance.c
	Applies variance filters of domain objects with values.
file	WlzHasIntersect.c
	Determines whether two objects have an intersection.
file	WlzHistogram.c
	Functions for computing and transforming Woolz histograms domains.
file	WlzHyThreshold.c
	A hysteresis threshold filter.
file	WlzImageArithmetic.c
	Functions for performing arithmetic on a pair of domain objects with grey values.
file	WlzImageBlend.c
	Functions for blending images.
file	WlzIndexObj.c
	Functions for creating and manipulating objects in which 2 or 3D spatial domains are represented as index grey values within in a single domain object. Such objects are frequently refered to as index objects.
file	WlzInline.h [code]
	Woolz inline functions.
file	WlzInsideDomain.c
	Functions which check whether a given vertex lies within an object's domain.
file	WlzInteriority.c
	Functions to compute an interiority scores.
file	WlzIntersect2.c
	Calculates the intersection between two domain objects.
file	WlzIntersect3d.c
	Intersection (set intersection) routines for domain objects.
file	WlzIntersectN.c
	Intersection of N woolz domain objects.
file	WlzIntervalCount.c
	Counts the number of intervals (or equivalent) in an object's domain.
file	WlzIntervalDomScan.c
	Functions for scanning through an object's interval domain.
file	WlzIntRescaleObj.c
	Rescales a Woolz object using an integral scale.
file	WlzIterate.c
	Functions for iteration through Woolz objects.
file	WlzKrig.c
	Functions for interpolation based on kriging.
file	WlzLabel.c
	Segments a domain object into disconnected regions.
file	WlzLabel3D.c
	3D labeling (segmention).
file	WlzLaplacian.c
	Implements a Laplacian edge enhancement filter.
file	WlzLBTDomain.c
	Functions for creating and manipulating linear binary tree domains.
file	WlzLineArea.c
	Computes the line area of an object.
file	WlzLineSkeleton.c
	Functions to compute the line skeleton of an object's domain.
file	WlzLUT.c
	Look up tables for value transformations.
file	WlzMacro.h [code]
	Woolz C pre-processor directives, eg macros.
file	WlzMakeAffineTransform.c
	Allocation and freeing of affine transforms.
file	WlzMakeCompound.c
	Makes compound objects.
file	WlzMakeIntervalValues.c
	Makes an interval values table.
file	WlzMakeProperties.c
	Allocation and freeing routines of properties.
file	WlzMakeStructs.c
	Functions for allocating woolz structures.
file	WlzMatchICP.c
	Functions to match objects using ICP based registration, providing a set of corresponding points.
file	WlzMeshGen.c
	Functions for 2D and 3D conforming simplical mesh generation. Meshes generated by these functions will conform approximately to an objects boundaries.
file	WlzMeshTransform.c
	Functions for computing mesh transforms.
file	WlzMeshUtils.c
	Utility functions for manipulating Woolz mesh transforms.
file	WlzMwrAngle.c
	Computes the minimum width rectangle from a convex hull. This code has been extensively rewritten for the new convex hull domains, so that only the original interface and algorithm remain.
file	WlzNMSuppress.c
	A non-maximal supression filter, which constructs a new domain object using a Canny-like non-maximal suppression algorithm. The domain is the non-maximally suppressed domain and the values are the encoded gradient direction.
file	WlzNObjGreyStats.c
	Calculates statistics for grey values across the objects of the given compound object.
file	WlzObjToBoundary.c
	Computes a boundary list from a Woolz object.
file	WlzOccupancy.c
	Functions for computing the occupancy of domains.
file	WlzOffsetDist.c
	Functions to compute offset distance objects.
file	WlzPoints.c
	Functions for handling point domains.
file	WlzPolarSample.c
	A rectangular to polar image resampling filter.
file	WlzPolyDecimate.c
	Functions to decimate polyline and boundary domains The functions remove vertices that are parts of straight lines as defined by a maximum distance. The algorithm starts at vertex 1, walks along the line until at least one vertex between the start and current position is more than max-dist from the straight line between vertex 1 and current. All vertices between position 1 and current-1 are removed and position 1 is incremented (to what was current-1). The process is then repeated.
file	WlzPolyEquispace.c
	Builds a new polygon domain with equi-spaced vertices.
file	WlzPolyReverse.c
	Functions to reverse the vertex ordering in a polygon domain.
file	WlzPolySmooth.c
	Smoothing operations for polylines.
file	WlzPolyToObj.c
	Makes a domain object from a polygon.
file	WlzPolyUtils.c
	Functions for manipulating polygon domains.
file	WlzPrinicipalAngle.c
	Calculates the angle which the long principal axis makes with the given object. The functions are based on a combination of methods by Rees and Hibbard. (D.W.A. Rees, Mechanics of Solids and Structures).
file	WlzProfile.c
	Functions for extracting a profile (with or without) grey values along a ray through an object.
file	WlzProj3DToSection.c
	Functions for projecting 3D domains onto sections.
file	WlzRank.c
	Rank filters for woolz objects, these are the generalization of minimum, maximum and median value filters.
file	WlzRaster.c
	Functions to rasterize geometric Woolz objects into 2D or 3D domain objects.
file	WlzReadObj.c
	Reads a Woolz object from a file stream.
file	WlzRegCCor.c
	Functions to register two objects using frequency domain cross correlation.
file	WlzRegConCalc.c
	Computes region connected calculus spatial classifications.
file	WlzRegICP.c
	Functions for the registration of two objects using an implementation of the iterative closest point algorithm. See.
file	WlzRGBAConvert.c
	Conversion routines for RGBA data including conversion to modulus.
file	WlzRGBAGreyStats.c
	Calculates simple quick statistics for a domain object with RGBA values.
file	WlzRGBAImageArithmetic.c
	Performs image arithmetic on RGBA data. Both input files must be RGBA value type.
file	WlzRGBAModGradient.c
	Calculates the modulus of the gradient of a RGBA object. The gradient is defined as the modulus of the "modulus" vector, i.e. the modulus for each colour.
file	WlzRGBAPixelUtils.c
	Utility functions for pixel and RGBA values.
file	WlzRGBARange.c
	Finds the range of values in a RGBA type image.
file	WlzRGBAScalarBinaryOp.c
	Apply a scalar binary operation to an RGBA image.
file	WlzRGBAThreshold.c
	Threshold functions for RGBA objects.
file	WlzRGBChanRatio.c
	Computes log ratio of RGB channels in a RGBA object.
file	WlzRsvFilter.c
	Recursive filters for Woolz, these are also known as Deriche and infinite impulse responce (IIR) filters.
file	WlzSampleObj.c
	Subsamples objects using an integer sampling factor and a convolution kernel.
file	WlzSampleValuesAndCoords.c
	Extracts values and coordinates from a Woolz object with grey values using a sampoling function.
file	WlzScalarArithmeticOp.c
	Functions which apply scalar arithmetic operations to domain objects.
file	WlzScalarBinaryOp.c
	Applies scalar binary operators to objects.
file	WlzScalarFeatures.c
	Functions for extracting scalar features from objects.
file	WlzScalarFn.c
	Code to apply scalar functions to scalar image values in Woolz objects.
file	WlzSepFilter.c
	A 2/3D implementation of seperable spatial kernel based convolution functions.
file	WlzSepTrans.c
	Execute a separable transform on a 2D domain object.
file	WlzSeqPar.c
	Performs sequential or local transformation of an object. Jim Piper derived the original seqpar.c from Fortran code by Marshall Presser.
file	WlzShadeCorrect.c
	Shade correction.
file	WlzShift.c
	Functions for shifting (applying efficient integer translations) to objects, domains and values.
file	WlzSkeleton.c
	Performs a proper interval-domain skeletonisation Hilditch's method.
file	WlzSnapFit.c
	Functions to compute correspondences between a pair of objects using closest points.
file	WlzSobel.c
	Implements a Sobel edge detection filter.
file	WlzSplitObj.c
	Functions to split a single object into component objects.
file	WlzStdStructElements.c
	Standard structuring elements in 2D and 3D.
file	WlzStringTypes.c
	Functions for converting between Woolz data types and string representations (names) of the types.
file	WlzStringUtils.c
	Miscellaneous string handling functions.
file	WlzStructDilation.c
	Performs dilation using a structuring element.
file	WlzStructErosion.c
	Performs erosion using a structuring element.
file	WlzTensor.c
	Functions which derive and manipulate tensor quantities.
file	WlzThinToPoints.c
	Functions for extracting point locations by thinnning.
file	WlzThreshold.c
	Thresholds 2D or 3D domain objects with values.
file	WlzTiledValues.c
	Functions construct and convert tiled objects.
file	WlzTransform.c
	Functions operating on Woolz transform unions.
file	WlzTransposeObj.c
	Transposes objects (ie interchanges row and column coordinates).
file	WlzType.h [code]
	Defines the Woolz types. These are enumerations and structures which have been typedef'd.
file	WlzUnion2.c
	Convenience function to calculate the union of two domain objects.
file	WlzUnion3d.c
	Computes the set union of 3D objects.
file	WlzUnionN.c
	Computes the set union of N objects.
file	WlzValuesFromCoords.c
	Creates a new object with the values set to the coordinate values.
file	WlzValueTableUtils.c
	Functions for computing value amd value table types.
file	WlzValueUtils.c
	Many small functions for setting, copying and converting values.
file	WlzVerifyObj.c
	Functions for verifying and fixing objects.
file	WlzVersion.c
	Simple Woolz versioning.
file	WlzVerticies.c
	Functions for extracting vertices from objects represented by vertices, eg polylines, boundlists and contours.
file	WlzVolume.c
	Computes the volume of domain objects.
file	WlzWindow.c
	Weights the grey values of domain objects according to their spatial distribution using a weighting function.
file	WlzWriteObj.c
	Functions for writing Woolz objects.
file	WlzXOR.c
	Functions for computing the set exclusive or of objects.