distributePointsOnPolygon by Wouter

This function distributes polygon points evenly across the polygon. (polygon, distribution, points)

distributePointsOnPolygon( varargin )

Grid of points within a polygon by Sulimon Sattari

This function generates an array of points that lie within a given polygon (polygon, points, point)

polygrid( xv, yv, ppa)

Generate points from given conic (A,B,C,D,E,F) by Juan

generate points from ellipse, hyperbola, circles, etc. (mathematics, conics, ellipse)

points_from_conic(A,B,C,D,E,F, domain,number_points, noise_...

video from random points by Maxim Vedenyov

probability controled by frames of video (rejection sampling, video, random)

from_gif.m

from_gif_to_avi.m

from_gif_to_gif.m

EXPLODE by hastin kauky

EXPLODE OF POINTS USING MATLAB (explode, points)

explode(N,ITER)

Active Figure Zoom for Selecting Points by Tristan Ursell

Select points at a user-specified zoom level that moves around the image as you click. (points, ginput, getrect)

[X,Y]=getline_zoom(Im1,varargin)

compressLines by Clemens

Tool to remove points from lines that would not be visible in plot. (plot, line, compress)

compressLines(f)

2D Distance Transform of Arbitrary Points by Tristan Ursell

Distance transform from arbitrary points at a user set resolution and range. (image, point, points)

[Xvec,Yvec,Dist]=clouddist(Xin,Yin,xlim,ylim,res)

Connect Randomly Ordered 2D Points into a Minimal Nearest-Neighbor Closed Contour by Tristan Ursell

Connects randomly ordered 2D points into a minimal nearest neighbor contour. (points, distance, neighbor)

[Xout,Yout,varargout]=points2contour(Xin,Yin,P,direction,va...

posdist by Jakob Tougaard

Calculates distance between two geographical positions in lat/long format (distance, latitude, longitude)

posdist(lat1,lon1,lat2,lon2,method)

circlefit3d - fit circle to three points in 3d space by Johannes Korsawe

Calculate center, radius and plane of circle that passes through three given points (circle, 3d, fit)

circlefit3d(p1,p2,p3)

inpoly mex file by Sebastien PARIS

Find points inside or on the border of a polygon (inpoly, points, inside)

test_inpoly

mexme_inpoly.m

Snake : Active Contour by Dirk-Jan Kroon

Snake Segmentation (Kass et al), 2D/3D including GVF and balloon force (Easy to read code) (1987, witkin, contour)

B=SnakeInternalForceMatrix2D(nPoints,alpha,beta,gamma)

B=SnakeInternalForceMatrix3D(FV,alpha,beta,gamma)

ExternalForceImage2D(I,Wline, Wedge, Wterm,Sigma)

2D Line Curvature and Normals by Dirk-Jan Kroon

Accurate Curvature and Normals of a line/contour consisting of 2D points (curvature, curves, vertices)

N=LineNormals2D(Vertices,Lines)

k=LineCurvature2D(Vertices,Lines)

ptimtransform by Maxime

ptimtransform transforms an image and a list of points all together. (transform, image, points)

ptimtransform(pts,img,T)

Curve intersections by NS

Fast computation of intersections and self-intersections of curves using vectorization. (intersection, curves, polygons)

InterX(L1,varargin)

geodistance by Orlando Rodríguez

Calculates the distance on the surface of the earth. (distance, earth surface, points)

geodistance( ci , cf , m )

Fast Eyetracking by Peter Aldrian

Extract feature points from faces to track eye's movement (demo, eye, face)

[L]=lineint(I,C,r,n,part)

[O]=drawcircle(I,C,r,n)

[b,r,blur]=partiald(I,C,rmin,rmax,sigma,n,part);

Approximation of Circle Using Cubic Bezier Curve by Dr. Murtaza Khan

Approximation of unit radius circle with four parametrix bezier curves (points, interpolation, bezier)

PlotBezier1(Px,Py,n)

[Qx,Qy]=CubicBezier1(Px,Py,n)

TestCircleApproxByCubicBezier.m

Multi Slider by Wilko de Jong

Graphically set and change any number of values within a specified range. (bands, control, offset)

MultiSlider (varargin)

myfrenet by Mehmet OZTURK

Construct tangent, normal and binormal vectors of a curve (tangent, normal, binormal)

[T N B]=myfrenet(x,y,z,init)

Fast InPolygon detection MEX by Guillaume JACQUENOT

Fast detection points inside a polygonal region (inpolygon, polygon, mex)

InPolygon_Test.m

POINTS2CIRCLE by Jos (10584)

determine the circle through 3 points (v2.0) (linear algebra, fit, circle)

points2circle(P,P2,P3)

Triangle Area and Angles v1.3 by Dirk-Jan Kroon

Calculates the area and angles of any triangle described by 2D,3D..nD points (angles, 3d, 2d)

[angles]=triangle_angles(P,format)

[area]=triangle_area(P,method)

meetpoint by M MA

Meet points points and slopes of curves. (approximation, intersection, slope)

meetpoint(x0,y0,x1,y1)

Semi-Automated Outlining by Gaurav Sehgal

Allows user to draw and modify outline in an image (gui, display, annotation)

drawspline(ud)

orderlayers

prg(varargin)

Finds convex polygon defined by random 2D points by christian delusier

Finds convex polygon defined by random 2D points (polygon, convex, finds)

Return_points_polyg_direct(list_points_polyg_entree)

Minkoski Curve by Mahdi Heravi

This matlab file generate minkoski Curve (fractals, minkoski, curve)

minkoskioski(x1,y1,x2,y2,n)

Interactive GUI: Animated conic section through five points by Michael Kleder

Drag each of five data points in the GUI window to animate a conic section (Symbolic Math Toolbox). (data exploration, interactive gui, animated)

conicfive

Bezier curve by Nguyen Quoc Duan

Draw a Bezier curve passing through 6 given points (bezier curves, plotting, points)

B_para=B_para(i,n,t)

C=C(i,n)

f=factorial(n)

2D Histogram Matrix by Kangwon Lee

Returns a matrix of number of points in each bins defined by two vectors. (histogram, matrix, statistics)

Plot2dHist(mHist2D, vEdgeX, vEdgeY, strLabelX, strLabelY, s...

hist2d (mX, vYEdge, vXEdge)

fgridmin.m by Kenneth Johnson

global minimization utility (optimization, global optimization, utility)

fgridmin(y)

click_fit by Nassim Khaled

You can now choose some arbitrary points by using the mouse, and fit a curve on the top of your ... (fit, click, curve)

[p]=click_fit(nb_data_pts,order_poly,xmin,xmax,ymin,ymax)

Polyfit at Chebyshev Points by Tyrone Uy

Program demo using polyfit for plot chebyshev points. (polyfit, chebyshev, points)

Chebyshev2b.m

Fast Chebyshev Transform (1D) by Greg von Winckel

Transfroms between nodal and spectral values. (approximation, interpolation, fast)

B=fcgltran(A,direction)

pointonsphere by Leevan Ling

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

pointonsphere(N)

pointincircle by Leevan Ling

Put N uniformly distributed points in unit circle. (differential equation..., circle, distributed)

pointincircle(N)

Weighted Grid Points by Greg von Winckel

Computes the Lobatto points for an arbitrary weight. (approximation, interpolation, pseudospectral)

[xg,D]=wgrid(w,N)

pos2dist by Langqiu Sun

Calculate distance between two points on earth's surface given by latitude-longitude pair. (distance, points, surface)

pos2dist(lag1,lon1,lag2,lon2,method)

Fractal Fern by Brian Mearns

Compute and display a pseudo-random collectin of points resembling a fern (fractals, fractal fern, points)

FractalFern.m

Marking Fig by Rajkishore Prasad

It places markers on the Figure. (annotation, customization, marker)

placemarker.m

stationary by James Rooney

Stationary gives the index points for stationary points in the function described by vectors x and y (stationary, points, index)

[ind]=stationary(x,y,type)

stationtest(type)

Connecting Two Points by Kang Zhao

connecting two points with a line with arrowhead (graphics, arrowhead, arrow)

drawarrow(x1,x2,y1,y2,len)

brlinexya by Andrew Diamond

Implementation of Bresenham line algorithm. (specialized, plotting, bresenham)

[Coords]=brlinexya(Sx,Sy,Ex,Ey)

Image to data by Sumeet Yamdagni

Converts images to data points. (image analysis, image plots, converting images)

[X,Y]=imdatsep(x,y,x1,y1,sen);

[X,Y]=imdatsort(x1,y1)

[Xmean,Ymean1]=im2dat(Inputfile,xscale,yscale,option1,optio...

nearest.m by Heekwan Lee

A different version of the 'find' function used to collect the nearest values to the pin points. (find, nearest, function)

nearest(Numbers,PinPoints)

ConnectFunc by Paul Nuschke II

A function connecting two points in an image with a line of ones. (gui, display, annotation)

newout=ConnectFunc(binimg,row1,col1,row2,col2)