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Date: Updated Submitted Time Frame: All Time Last 30 Days Last 7 Days			1 - 46 of 46
Date	File	Tags	Downloads (last 30 days)	Comments	Ratings
10 Nov 2009	quadforms Convert quadratics from Homogeneous to Center form and back. Author: Giampiero Campa	quadratic, mathematics, algebra, geometry	8	0
09 Nov 2009	Strange attractor Strange attractor generated using histogram method. Author: Ankur Pawar	curves, ifs, attractor, graphics, strange attractor, quadratic attractor	206	1	2.0 2.0 \| 1 rating
05 Nov 2009	Kabsch algorithm Find the rigid transformation & Least Root Mean Square distance between two paired sets of points Author: Ehud Schreiber	computational geometr...	47	0
20 Oct 2009	Cell Geo Measure Gets points in 3d space from cells, and organelles. Author: Zachary	organelle, geometry	31	0
20 Oct 2009	Intersection of two lines in 2D Takes four points, gives intersection of their connecting lines Author: Andr?	2d geometry intersect...	90	1	1.0 1.0 \| 1 rating
17 Oct 2009	Transform a 3d volume by using an affine transformation matrix This function transforms a volume by using an affine transformation matrix. Author: Martijn Steenwijk	interpolation, transformation, 3d, volume, affine, geometry	58	0
29 Sep 2009	Area and volume properties Area and volume properties for shapes defined by piecewise linear and spline boundaries Author: Howard Wilson	line integrals, structural dynamics, stress analysiss, geometry	25	0
23 Sep 2009	3D TRIANGULATED MODELS COLLECTION A collection of 3d manifolds models with 3D points, triangles, outwards normals orientation. Author: Luigi Giaccari	shape, manifold, stl, model, simulation, models	180	0
14 Sep 2009	"Center": Calculates and plots centers of a triangle "Center": Calculates and plots the barycenter, incenter, circumcenter and orthocenter of a triangle Author: Gustavo Morales	physics, mathematics, geometry	31	0
14 Sep 2009	Oblique Spherical Triangle toolbox solves the general oblique spherical triangle Author: Rody Oldenhuis	trigonometry, spherical trig, aeronautics, spherical, oblique spherical tri..., geometry	21	2
31 Aug 2009	geom3d Library to handle 3D geometric primitives: create, intersect, display, and make basic computations Author: David Legland	geometric computing, polyhedron, polyhedra, plane, polygon, 3d	117	4	5.0 5.0 \| 1 rating
24 Aug 2009	IN POLYGON TEST FOR CONVEX POLYGON Detects points inside a convex polygon in 2D space. Should be faster than general inpolygon. Author: Luigi Giaccari	2d, points, hull, graphics, mesh, image	150	3	5.0 5.0 \| 2 ratings
24 Aug 2009	FAST CONVEX HULL ALGORITHM Totally m-code routine to compute convex hull in 2D space faster than the Matlab native convhull. Author: Luigi Giaccari	hull, simulation, mesh, delaunay, polygon, qhull	215	5	5.0 5.0 \| 3 ratings
20 Aug 2009	STRUCTURED TETRAEDRAL MESH GENERATION Gets a conform tetraedral mesh generation from 3 vectors representing the axes of a cuboid Author: Luigi Giaccari	triangles, tetredrons, simulation, mesh, delaunay, surface	160	0
18 Aug 2009	STRUCTURED TRIANGULAR MESH GENERATION Builds a triangular mesh on topological rectangular shape. Author: Luigi Giaccari	triangle, simulation, graphics, mesh, image, surface	192	0
15 Aug 2009	Cubed sphere Generate a cubed-sphere geometry Author: Bruno Luong	earth simulation, topology, pde, cubed sphere, geometry	114	1	3.0 3.0 \| 1 rating
14 Aug 2009	INPOLYHEDRON TEST Fast InPolyedron Test to detects points inside manifold surface (even non convex ones). Author: Luigi Giaccari	stl, communications, data import, m, image, surface	139	0
13 Aug 2009	Distance between a point and a triangle in 3D pointTriangleDistance calculates the distance between a point and a triangle in 3D. Author: Gwendolyn Fischer	triangle, graphics, computational geometr..., intersection allan, 3d residue error, geometry	52	2	5.0 5.0 \| 3 ratings
11 Aug 2009	VOLUME ENCLOSED BY A TRIANGULATED SURFACE Computes the volume enclosed by a triangualted surface with outwards traignle orientation. Author: Luigi Giaccari	shape, stl, graphics, mesh, colors, surface	159	1	5.0 5.0 \| 2 ratings
10 Aug 2009	N-DIMENSIONAL CONVEX HULL: QUICKER HULL ALGORITHM Should be faster than convhulln on large models in dimension <5. Author: Luigi Giaccari	hull, simulation, graphics, mesh, delaunay, polygon	164	1	5.0 5.0 \| 1 rating
06 Aug 2009	Curvature calculations on triangular 3D surface Calculate principal curvatures on a triangular mesh in 3D. Author: J. Ole Kaven	differential geometry, 3d, mesh, triangulation	47	0
23 Jul 2009	geom2d functions for computations on planar geometrical shapes (points, lines, circles, polygons...) Author: David Legland	mathematics, intersection, plan, polygon, computational geometr..., display	90	11	3.625 3.6 \| 9 ratings
29 Jun 2009	Read DXF File Data Read geometry and properties of AutoCad's Entities. Author: Sebastian	dxf, data exploration, geometry	45	0
23 Jun 2009	insphere Inscribed sphere, entirely inside the facets of a 3-d convex hull Author: John D'Errico	circumsphere, convex hull, computational geometr..., sphere, insphere	105	1	5.0 5.0 \| 1 rating
17 Jun 2009	incircle.m In-circle of a convex polygon, or of the convex hull of a set of points in two dimensions Author: John D'Errico	computational geometr..., incircle, convex hull, circle, polygon, inscribed circle	123	2	5.0 5.0 \| 2 ratings
16 Jun 2009	cutpolygon Cut alias slice alias split a 2D surface polygon by a line, and remove the specified part. Author: Jasper Menger	polygon surface line ...	19	0
11 Jun 2009	2D segment intersection performs the intersection of two 2D closed segments Author: Greg	computational geometr..., mathematics, geometry	13	0	5.0 5.0 \| 1 rating
31 Mar 2009	Minimal radius bounding semi-circle Find that minimal radius bounding semi-circle that contains a set of points in the plane Author: John D'Errico	minimum, circle, area, computational geometr..., semicircle, radius	141	1	5.0 5.0 \| 1 rating
24 Mar 2009	Compute 3D rotation matrix Simplifies computation of 3D rotation matrices. Author: Stanley	3d, geometry	88	0
27 Jan 2009	Accurate polygon extension Enlarges polygon by a specified range. Also generates internal polygons caused by intersections. Author: Krispijn Scholte	computational geometr..., computational, enlarge, polygon, geometry, extension	38	13	5.0 5.0 \| 7 ratings
15 Jan 2009	inside triangle inside_triangle is used to check if a point P is inside the triangle P1P2P3 or not. Author: Nassim Khaled	inside, triangle, area, point, plane, mathematics	131	0
11 Dec 2008	STL File Reader STLREAD imports geometry from a binary stereolithography (STL) file into MATLAB Author: Eric Johnson	geometry, data import, patch, vertices, data export, stereolithography	74	2	4.0 4.0 \| 3 ratings
08 Dec 2008	morphimage Function to morph grayscale images. Author: Dima Pröfrock	morphing warping, image processing, video, image, image registration, grayscale	159	2	4.0 4.0 \| 2 ratings
28 Aug 2008	GeoML A general morphable template tool for image segmentation. Author: Gabriele Lombardi	geometric model, active templates, image analysis, morphable templates, geometry	119	2
24 Apr 2008	gaussdiff Small set of functions for doing basic differential geometry: applying Gaussian derivative filters t Author: Almar Klein	differential geometry, gaussian derivatives, gaussian, filtering	35	0
06 Feb 2008	spheresegmentvolume Volume of a (hyper)sphere, sphere cap, or any band through a sphere defined by two parallel planes Author: John D'Errico	integral, hypersphere, computational geometr..., sphere cap, sphere, segment	138	12	5.0 5.0 \| 2 ratings
18 Jan 2008	Generate random points in a polygon Tne minute video modifies a stock example to generate a random polygon and place random points in it Author: Doug Hull	polygon, triangle, outside, inside, tutorial, video	30	1	4.0 4.0 \| 1 rating
29 Aug 2007	ashape: a pedestrian alpha shape extractor extracts 2d alpha shapes from a set of x/y data points Author: us	image, path, alpha shape, graph, segmentation, geometry	160	8	5.0 5.0 \| 3 ratings
30 Jul 2007	Minimal Bounding Rectangle Minimal bounding rectangle around points in the (x,y) plane Author: John D'Errico	minimum, area, computational geometr..., rectangle, bounding, perimeter	213	5	4.5 4.5 \| 3 ratings
20 Feb 2007	A simple Matlab GUI program A simple Matlab GUI program Author: Ahmad Kolahi	gui tools, tank, simple, parameters, example, gui	231	5	4.66667 4.7 \| 6 ratings
30 Oct 2006	Inhull Efficient test for points inside a convex hull in n dimensions Author: John D'Errico	computational geometr..., tsearch, convex hull, convhulln, hull, interior	166	15	4.38462 4.4 \| 14 ratings
01 Sep 2006	Read VRML 2.0 to Matlab 7 Read VRML 2.0 to Matlab 7. Author: Ricky Zhang	graphics, vrml2, graphical data explor..., matlab 7, geometry, data exploration	56	5	4.0 4.0 \| 1 rating
11 Jul 2006	Polyhedron and polytope computations Set of routines to perform operatioons on polytopes and polyhedra Author: Sandy Veres	geometrical modeling, geometric computation, numerical geometry	33	4	3.66667 3.7 \| 3 ratings
21 Feb 2006	Nonsubsampled Contourlet Toolbox Toolbox Implementing NSCT Author: Arthur Cunha	multiscale, transforms, contourlet, geometry	87	6	4.6 4.6 \| 5 ratings
19 Jan 2006	Construction of complex geometry using command lines complex geometry using command lines Author: Hongxue Cai	complex geometry mesh..., mechanical modeling	112	6	1.83333 1.8 \| 6 ratings
28 Mar 2005	Curvature-Torsion Defined Curve Given torsion and curvature functions, compute the curve uniquely. Author: Paolo Panarese	curvature, frenet, torsion, differential equation..., plot3, curve	20	3	3.5 3.5 \| 2 ratings
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