3,542 results

This code leverages processing and python circle packing methods in Matlab. DXF output is included for manufacturing.

This code leverages processing and python circle packing methods in Matlab. DXF output is included for manufacturing.

An algorithm for RCP based on electromagnetic theory

circles, Gamma distributed in size with shape factor 3.81, is shown in result_v1.png# Motivation & TheoryUpdated March 09 2016. This algorithm produces random close packing or RCP on an input of N radii

Generate large dense high polydisperse circle, sphere, and hypersphere packings in N-D with periodic, hard, or circular boundaries.

This MATLAB implementation offers a method to generate dense random close packings (RCP) of circles, spheres, or hyperspheres using the Adam optimizer. The tool is ideal for generating dense packings

Randomly and uniformly generates vectors with a specified sum and values in a specified interval.

This generates m random n-element column vectors of values, [x1;x2;...;xn], each with a fixed sum, s, and subject to a restriction a<=xi<=b. The vectors are randomly and uniformly distributed

Simply plot filled circles or circle outlines.

Adding to the mix of circle plotters on the File Exchange site, this function plots any number of circles of any size and x,y location. Inputs can be any logical mix of scalars, vectors, or N-D

Interactive app and function to find circles in an image.

In R2012a, we introduce CIRCULAR HOUGH TRANSFORMS for detecting circles in images. There are several parameters which can be manipulated to enhance the performance of the IMFINDCIRCLES functionality

Growbubbles takes centroid points and returns the maximum radius circles or spheres without overlap

%GROWBUBBLES packs maximum radius circles at given central locations%% PTRADS = GROWBUBBLES(PTS) returns the radius of circles at coordinates in PTS with all radii% maximised but without any

Fit a circle to a set of measured x,y points.

Revival of a 14 years old code (written in 1991 for MATLAB 2.x).Given a set of measured x,y pairs that a re supposed to reside on a circle, but with some added noise. A circle to these points, i.e

Set the range of radii, density, and other parameters to create a plot that draws randomly centered polygons with or without overlap.

bubblebath() plots circles or other polygons at random positions with varying radii. All input parameters are optional including frame size, range of radii, number of vertices per bubble (eg

Compute exact and approximate minimum bounding spheres/circles of 3D/2D point sets

# Bounding Spheres and Circles[![View Exact minimum bounding spheres and circles on File

Aggregate packing generator used for the simulation of aggregate in composites

Aggregate packing generator used for the simulation of aggregate in composites. It can be used especially for meso-scale analysis of concrete and asphalt composites .Example files are provided for

A Hough transform function for detecting circles, optimised to allow search over radii.

The Hough transform may be used to detect circular shapes in images, after binarisation, for example by an edge detector. Often, functions to do this operation require the radius of the circle to be

Random search used. Result is circle of cause.

http://simulations.narod.ru/Shape is represented as 32-vertex polygone. The program in starts with random shape. In iteration of random search it search minimum perimeter/sqrt(area) each time. In

Mesh a circle with quadrilaterals

Given the center and radius of circle, the function MeshCircle meshes the circle with quadrilaterals (four noded element). The function uses two boundary transfinite interpolation (TFI) to mesh the

Generates randomly rough fractal surfaces with different fractal (Hurst) parameters

This code generates artificial randomly rough isotropic surfaces. These surfaces could be useful for simulating surface roughness or topographies from nanometre features of engineering surfaces to

Aggregate packing generator with fibers used for the simulation of aggregate and fibers in composites

Aggregate packing generator with fibers used for the simulation of aggregate and fibers in composites. It can be used especially for meso-scale analysis of fiber-reinforced concrete. The algorithm

A fault-tolerant function for computing a circle's center and radius given three x-y points

circle. Example: [-1 2;2 5;1 1] represents the set of points (-1,2), (2,5) and (1,1) in Cartesian (x,y) coordinates.Outputs: R is a [1 x n] array of circle radii corresponding to each set of three

Fits a circle to a set of data points on a plane; returns the circle center (a,b) and radius R.

This is a robust and accurate circle fit. It works well even if datapoints are observed only within a small arc. This circle fit was proposed by V. Pratt in article "Direct least-squares fitting of

Easy circle drawing.

Suite of tools to compute minimal bounding circles, rectangles, triangles, spheres, incircles, etc.

- triangle- general quadrilateral- circle- parallelogram- semi-circlethere is a tool in here to solve your task efficiently. You will also find minboundsphere, for 3-d data. Inscribed objects are also

Plots a filled circle with given radius, center and color.

FILLEDCIRCLE Filled circle drawingfilledCircle(CENTER,R,N,COLOR) draws a circle filled with COLOR that has CENTER as its center and R as its radius, by using N points on the periphery.Usage

Fits a circle to a set of data points on a plane; returns the circle center (a,b) and radius R.

This is a robust and accurate circle fit. It works well even if datapoints are observed only within a small arc. This circle fit wasproposed by G. Taubin in article "Estimation Of Planar Curves

Draw multiple circles fast.

CIRCLES was inspired by the built-in function VISCIRCLES; the two main differences being that it draws circles as a patch rather than a line and offers a bit more flexibility (I think) in terms of

Compute individual Voronoi cell area of 2D point sets bounded in a unit circle

This function compute the individual Voronoi cell area of point sets bounded in a unit circle.Inputs:x : M x 1 array of x-coordinatesy : M x 1 array of y-coordinatestoggleplot : 1 to turn on figures

Random numbers from any 2D discrete probability distribution, at any resolution.

Tristan Ursell2D Random Number Generator for a Given Discrete DistributionMarch 2012[x0,y0]=pinky(Xin,Yin,dist_in,varargin);'Xin' is a vector specifying the equally spaced values along the

Generates a random waypoint mobility scenario for any number of nodes. Animation included.

Three files: "test_Execute.m" is the file to run, "Generate_Mobility.m" generates a structure containing all needed information resulting from the random waypoint mobility model, and "test_Animate.m

Detect circular shapes in a grayscale image. Resolve their center positions and radii.

operation but at the same time larger memory consumption.3. Detection of radii works for concentric circles as well.

creturns the matrix of random numbers from user defined probability density distribution.

RANDPDF returns the matrix of random numbers from probability density distribution defined in p and px. p are the density (the y axis) and px are the value (the x axis) of the pdf. p and px must be

Draw circles on maps

Drawing a circle of a given radius on a map using Matlab's built-in functions is surprisingly unintuitive. So when there's some sort of outbreak or nuclear threat emanating from a city and you need

Approximately computes the largest inner circle of a contour/region using distance transform

Maximum Inscribed Circle Or in other words, "largest inner circle" , "maximum empty circle" etc.This is a very common problem in computational geometry, and it is not simple to solve

An optimized Hough transform for circle detection.

This Hough transform is highly optimized. It uses the midpoint circle algorithm to draw the circles in voting space quickly and without gaps. It also includes an option for searching only part of the

Finds circles of any radii in a image.

Finds circles of any radii in RGB or grayscale images. returns a list of centers and radii.Useage example:[r , c , rad] = circlefinder(im);finds circles with the default settings.[r , c , rad] =

Files which simulate random walks on a lattice and on a graph

These files show how MATLAB can be used to simulate random walks both on a lattice in N-dimensions and on a graph. The zip file contains the following:RandDir: generates a random basis vector on a

Simple algorithm to generate random numbers from a user-defined discrete probability distribution.

GENDIST - generate random numbers according to a discrete probability distributionTristan Ursell, 2011.T = gendist(P,N,M)T = gendist(P,N,M,'plot')The function gendist(P,N,M) takes in a positive

This script helps in the generation of cropped image with random offset and random orientation.

This helps in the creation of cropped square image from an input image (RGB/Grayscale). The cropped image is randomly generated from the input image wherein the pixel location is randomly chosen

This demo shows how to do random erasing/cut out augmentation in CNN classification. random erasing や cut outとよばれる方法を用いて画像にマスクをかけ、分類を行います。

CNN classification using random erasing / cut out[English]This demo shows how to perform random erasing/cut out augmentation in CNN classification as explained in [1] and [2]. A rectangle mask was

Aggregate packing generator with fibers used for the simulation of aggregate and fibers in composites

Aggregate packing generator with fibers used for the simulation of aggregate and fibers in composites. It can be used especially for meso-scale analysis of fiber-reinforced concrete. Example files

Return the optimal pixel coordinates of a circle, given its center and radius.

GETMIDPOINTCIRCLE return the x,y pixel coordinates of a circle [x y] = getmidpointcircle(x0, y0, radius) returns the pixel coordinates of the circle centered at pixel position [x0 y0] and of the

Download true (not pseudo-) random numbers from random.org's generator

The function TRUERAND returns truly random integers using random.org's Random Integer Generator. According to random.org, the numbers are generated based on atmospheric noise and skew-corrected to

This program creates random mosaic / tile image

Signal Processing on non-euclidien domain signals

Generates random numbers from empirical distribution of data

EMPRAND generates random numbers from empirical distribution of data. This is useful when you do not know the distribution type (i.e. normal or uniform), but you have the data and you want to

Plots a Circle with arbitrary direction in 3D

Take a center point, a normal vector and a radius and plots a Circle in 3D using plot3

Quantitative Magnetic Resonance Imaging Made Easy with qMRLab: Use GUI or CLI to fit and simulate a myriad of qMRI models.

minimize B1 nonuniformity effects in quantitative magnetization transfer imaging. Mag Res Med 2018Mingasson et al. AxonPacking: an open-source software to simulate arrangements of axons in white matter

Generate multivariate conditional random fields given a mesh and covariance information.

random process. These fields may be conditioned on known data values. The correlation information can be:- one of three parameterized models,- a given correlation matrix with dimensions corresponding to

Algorithm for the random disks packing problem

AxonPacking: an open-source software to simulate arrangements of axons in white matterauthor : Tom Mingasson contact : mingasson.tom@gmail.com institution : University Polytechnique Montreal

Fits a circle to a given set of planar points

This is the fastest (though not most accurate) method of fitting a circlle to data points on a plane (given by their xy-coordinates). It returns the circle center (a,b) and radius R. It was proposed

Create random point inside a polygone

Filled circle or crop circle area

select 2 seed points from mouse click. 1st one vl be mid point of the circle and 2nd vl be radius of the same.it vl crop the area

Geometry library for matlab. Performs geometric computations on points, lines, circles, polygons...

Geometry library to handle and visualize geometric primitives such as points, lines, circles and ellipses, polylines and polygons...The goal is to provide a low-level library for manipulating

Plot a 2D apollonian gasket with n identical circles

apollonian packing. (3 at least)- a positive integer, which corresponds to the number of levels of the apollonian. Higher the number of level is, more numerous the circles will be. 10 levels is a quite high

Generation Of Solid Shapes Using Random Number Generator.

Generation Of Solid Shapes Using Random Number Generator. The Solid Shapes included are:1) Cuboid/Cube2) Sphere3) Cone4) Conical Frustum5) Pyramid6) Pyramidal Frustum7) CylinderTake it as an exercise

Demonstrate the principal idea of getting random bits

The objective is to demonstrate the principal idea of getting random bits, i.e. probability of occurrences in every observable module is 50%-50%.The illusion of randomness provides such an

generates random variates from over 870 univariate distributions

This code package provides a framework for generating random samples of univariate distribution functions. It has an Excel database that currently lists over 870 distributions, their parameters as

The included functions will find the largest inscribed rectangle, square or circle of any orientation and in any arbitrary image.

Included are also functions for parallel processing (not for circles) and GUI 'LRC_Demo.m' for easy use. LARGEST RECTANGLE OR SQUAREINPUT for LargestRectangle and LargestSquare: The input has a

Minimalist Matlab implementation of a random process generation in one point using the spectral method

One-point random process generationMinimalist Matlab implementation of a random process generation in one pointSummaryA stationary Gaussian random process is generated using the spectral method. This

Efficient Random Variates Generator (from over 50 distributions).

RANDRAWEFFICIENT RANDOM VARIATES GENERATOR (from over 50 distributions):Alpha, Anglit, Antilognormal,Arcsin,Bernoulli, Bessel

Mohr's Circle

This is a script for Mohr's Circle. It displays all three circles, all principle stresses, and the other information associated with Mohr's Circle.

Plots an interactively modifiable circle patch.

DRAW_CIRCLE plots a circle patch which can be modified later by pressing Shift+Left mouse button on the circle.Circle's location, radius, color and transparency can be modified interactively using

Simulation of random variables using inverse method and acceptance-rejection method.

This file contains various functions that generate random variables using two methods: inverse method and acceptance-rejection method. Random variables from following distributions are