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updated 1 month ago

Spherical hough transform for 3D images by Luke Xie

SphericalHough detects spherical structures from 3D images - determines object center and radius (3d, image processing, image analysis)

TF=isint(A)

[args,workspaceVar]=readmrgui(varargin)

[center_img,sphere_img,sphcen,sphrad]=SphericalHough(img,...

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updated 4 months ago

Voronoi Sphere by Bruno Luong

Compute voronoi's diagram of points on the 2-sphere (voronoi, delaunay, sphere)

vcell_solidangle.m

voronoisphere(xyz, varargin)

test_voronoisphere.m

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updated 4 months ago

Plot earth by Bruno Luong

Plot earth in 3D (graphic, earth, sphere)

cubedsphere(n, prjtype, shapetype)

mercator(n, shapetype)

plotearth(varargin)

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updated 5 months ago

pointonsphere by Leevan Ling

Put N uniformly distributed points on unit sphere. (differential equation..., uniformly, distributed)

pointonsphere(N)

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updated 6 months ago

A suite of minimal bounding objects by John D'Errico

Suite of tools to compute minimal bounding circles, rectangles, triangles, spheres, incircles, etc. (miminum, bound, bounding)

incircle(x,y)

insphere(xyz,tri)

minboundcircle(x,y,hullflag)

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updated 10 months ago

circus() - just a simple circle function to generate circle info for plotting by Brad

give circus a radius and it returns circumference coordinates to plot (circle, plot circle, 3d circle)

circus(r,varargin)

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updated 1 year ago

Sphere Fit (least squared) by Alan Jennings

Fits a sphere to a set of noisy data. Does not require a wide arc or many points. (least squares, statistics, optimization)

sphereFit_Example

sphereFit(X)

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updated 1 year ago

Scattered Field of a Conducting and Stratified Spheres by Walton Gibson

Compute the Scattered Fields of Conducting (PEC) and Stratified Dielectric Spheres via Mie Series (wireless, radar cross section, sphere)

mie(radius, frequency, theta, phi, nMax)

mieLayeredTerms(mu, epsilon, radius, isPEC, frequency, nm...

mieScatteredField(An, Bn, theta, phi, frequency)

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updated 1 year ago

GridSphere by Kurt

Produces a nearly even grid over the surface of a sphere. (grid, sphere, ball)

AreBadValues(A)

AreEqual(ones, twos)

AreWithin(ones, twos, tolerance)

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updated 2 years ago

Parametrized uniform triangulation of 3D circle/sphere by Arso

Short function for parametric triangulation of 3d sphere (circle, sphere, triangulation)

sphereTriangulation(numIterations, radius)

testSphereTriangulation.m

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updated 2 years ago

hypersphere / n-sphere by Michael Völker

Generate n-dimensional Ellipsoid or Sphere (hypersphere, nsphere, spheren)

hypersphere( varargin )

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updated 2 years ago

Find Nearest Neighbors on Sphere by Kurt

To be used with the GridSphere function to look up the nearest point to a query on a geodesic grid. (gridsphere, grid, sphere)

...

Archaversine(values)

AreEqual(ones, twos)

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updated 2 years ago

Spherical To Azimuthal Equidistant by Kurt

Convert from spherical coordinates to azimuthal equidistant coordinates. (spatial, sphere, geometry)

AreBadValues(A)

Spherical2AzimuthalEquidistant(latsInDegrees, ...

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updated 3 years ago

Growbubbles - maximum radius packing by Sven

Growbubbles takes centroid points and returns the maximum radius circles or spheres without overlap (packing, pack, circle)

growbubbles(ptsIn)

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updated 3 years ago

Generation Of Solid Shapes Using Random Number Generator by Nishant Gupta

Generation Of Solid Shapes Using Random Number Generator. (rand, random, random number generat...)

Pfrustumfromrand.m

conefromrand.m

cuboidfromrand.m

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updated 3 years ago

MATLAB Pool by Husam Aldahiyat

Simple game of 6-ball billiards. (pool, billiards, game)

pool(varargin)

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updated almost 4 years ago

Euler/Fixed Angles Properties by Husam Aldahiyat

Graphical display of Euler and Fixed Angles (gui, robotics, euler)

eangles

eulfor(a,b,g,con)

rotx(t)

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updated 4 years ago

Toolbox Alpert Transform by Gabriel Peyre

The Alpert transform is a multiwavelets transform based on orthogonal polynomials. (alpert, wavelets, multiwavelets)

Toolbox Alpert Transform - A toolbox to perform the Fast ...

array_get_val.m

array_set_val.m

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updated 5 years ago

Plot and Animate Robot by Husam Aldahiyat

Given the DH parameters this GUI plots the robot and allows you to move it around. (robot, manipulator, plot)

FK(DH,w,symbolic,from,to)

roboticsc(varargin)

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updated 5 years ago

sphere without poles by Maxim Vedenyov

works like sphere bult-in matlab function but result is sphere without poles. (sphere, pole, no poles)

an=random_unit_vector(varargin)

varargout=sphere_wp(varargin)

varargout=sphere_wp(varargin)

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updated 5 years ago

Sky Plot 3D by João

Plots the visible satellite constellation in a semi-transparent half-sphere. (satellite, sphere, 3d)

skyPlot3d.m

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updated 5 years ago

Move Sphere by Husam Aldahiyat

Creates a randomly coloured sphere and moves it from point A to point B with speed V. (sphere, rotate, move)

h=movsph(r,A,B,V,op1,ph)

sphz()

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updated almost 6 years ago

Minimum Volume Enclosing Ellipsoid by Nima Moshtagh

Computes the minimum-volume covering ellipoid that encloses N points in a D-dimensional space. (optimization, minimum volume, enclosing)

MinVolEllipse(P, tolerance)

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updated 6 years ago

Plot Intensity on Sphere by David Johnstone

Plot intensity (color) for given points on a sphere. (specialized, plotting, plot)

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updated almost 8 years ago

Determination of dimensionless temperature distribution for a slab, a cylinder and a sphere by Housam Binous

Compares computed temperature distributions using both pdepe and analytical solutions (chemistry, physics, slab)

bes.m

cylinder.m

pdex1bc.m

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updated almost 8 years ago

EQSP: Recursive Zonal Sphere Partitioning Toolbox by Paul Leopardi

A suite of Matlab functions intended for use in exploring equal area sphere partitioning. (approximation, interpolation, sphere)

area_of_cap(dim, s_cap)

area_of_collar(dim, a_top, a_bot)

area_of_ideal_region(dim,N)

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updated 9 years ago

Vectorized raytracer for sphere objects by Brian Jensen

Vectorized raytracer for sphere objects (image generation, raytracer, ray tracer)

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updated 9 years ago

3D Plot on a Spherical Surface by J De Freitas

Plots 3D data on a sphere. (specialized, plotting, 3d)

sphere3d.m

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updated 9 years ago

Triangulate vertices on a sphere by Tianli Yu

Triangulate a set of vertices on a sphere (approximation, interpolation, sphere)

GetMeshStructure(FacetListM, vertnum, verbose)

TriangulateSpherePoints(VertexM)

SampleTest.m

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updated almost 10 years ago

geodesic by Lei Wang

GEODESIC solves geodesic problems concerning three types of surface. (geodesic, cylinder, cone)

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updated 12 years ago

Sphere RCS by Douglas Dougherty

Computes the RCS of a perfect sphere. (chemistry, physics, rcs)

sphere_rcs()

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