Surface areas of contour by HY

This function outputs surface areas within each contour and their heights. (area, contour, 3d)

ContourArea( C )

Geodesics on an ellipsoid of revolution by Charles Karney

Solutions of the direct and inverse geodesic problems (area, distance, earth)

defaultellipsoid

ecc2flat(e)

flat2ecc(f)

Shade area between two curves by John Bockstege

Function shades the area between two vectors. (area, fill, curves)

jbfill.m

circles - rectangle intersection area by Doron avramov

A fast function which calculate the intersection area of a circle in a large rectangle. (analytic, area, circle)

[o]=compute_circle_area2(xcenter,ycenter,r)

Area Calculation of 8 Direction Chain Code by Daniel Bromand

This code sample computes the Area bounded within a 8 direction chain code. (area, calculation, direction)

Area_Calc_Of_8_Dir_Chain_Code.m

Unit Converters by Chad Greene

Convert units of pressure, length, time, force, mass, accel., temp, speed, frequency, area, & more! (area, thermodynamics, conversion)

A2au(A)

A2bs(A)

A2cm(A)

Alpha shapes by Jonas Lundgren

Alpha shape of 2D/3D point set. (alpha shape, alpha shapes, alpha hull)

alphavol(X,R,fig)

A suite of minimal bounding objects by John D'Errico

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

incircle(x,y)

insphere(xyz,tri)

minboundcircle(x,y,hullflag)

plotboxpos by Kelly Kearney

Returns the position of a plotted axis region (annotation, axis, plotted)

plotboxpos(h)

area_stairs by Hamed Amini

AREA_STAIRS(X,Y) is similar to AREA(X,Y). It fills the area between the stairs. (stairs, area, plot)

area_stairs(x,y)

2D minimal bounding box by julien diener

Compute quickly the minimal bounding box of a set of 2D points (rectangle, bounding box, minimum)

minBoundingBox(X)

Arbitrary Square Bounded Voronoi Diagram by Meng Sang Ong

Compute individual Voronoi cell area of 2D point sets bounded in an arbitrary square (voronoi, bounded, square)

BoundVoronoin_UnitSquare(V, C, varargin)

BoundaryIntersect_UnitSquare(P1, P2, Mode)

CalcArea_UnitSquare(VSet, V1, V2, ptS)

Circle Bounded Voronoi Diagram by Meng Sang Ong

Compute individual Voronoi cell area of 2D point sets bounded in a unit circle (voronoi, bounded, area)

BoundVoronoin_UnitCircle(V, C, varargin)

BoundaryIntersect_UnitCircle(P1, P2, Mode)

CalcArea_UnitCircle(VSet, V1, V2, ptS)

regionprops problem by peter veres

returns the same value for perimeter (regionprops, shape, area)

recognition.m

Shade Anomaly by Alec

The fills in graphs above and below the x-axis different colors. (anomaly, shade, area)

shade_anomaly(x,y,hcolor,lcolor,offset)

Contour2Area by Per Sundqvist

Gives the area of polygons from the matlab function C=contour(x,y,z) and their centroids. (centroid, centre of mass, polyarea)

[Area,Centroid,IN]=Contour2Area(C)

Hatched Fill Patterns by Ben Hinkle

Replace solid colors with patterns. (area, hatch, pattern)

applyhatch(h,patterns,colorlist)

makehatch(hatch)

inside triangle by Nassim Khaled

inside_triangle is used to check if a point P is inside the triangle P1P2P3 or not. (triangle, plane, inside)

True=inside_triangle(P,P1,P2,P3);

polygeom.m by H.J. Sommer

POLYGEOM computes area, centroid location, area moments of inertia and perimeter of closed polygons. (inertia, area moments, centroid location)

polygeom( x, y )

test_polygeom.m

Auto Peak Finder & Analyser by Martin Gorjan

Finds peaks, locations, fwhms and area in signal. (maximum detection and..., fwhm, peak)

autopeak(x,y)

fill2c: a pedestrian area filler by us

fill2c paints areas below/above a threshold with different colors (specialized, plotting, patch)

[p,par]=fill2c(x,y,cn,cp,yoff)

Shaded area plot by Dave Van Tol

Plot two lines, then shade the area between those two lines. (area, shaded, plot)

shadedplot(x, y1, y2, varargin)

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)

triangulationVolume by Jeroen Verbunt

Compute volume and area of triangulation using divergence theorem of Gauss (triangulation, volume, area)

testTriangulationVolume(TRI,X,Y,Z)

triangulationVolume(TRI,X,Y,Z)

Analytical intersection area between two circles by Guillaume JACQUENOT

Compute the intersection area between 2 circles. The function allows to evaluate the intersection ar (analytical, area, intersection)

area_intersect_circle_analytical(varargin)

areaintersection.m by paul

Approximates the area of intersection of two polygons (intersection, area, polygon)

[area]=areaintersection(set1, set2, resolution)

Area of interest selection in an image by Gaurav Sehgal

This code enables a user to manually select an area in an image for further processing (gui, display, annotation)

AreaSelection(b)

pix2data( ax, pixelX, pixelY )

area measuring by Yonathan Nativ

measuring areas surface and path length in an image (map) (area, path, measure)

calcEnclosedArea(varargin)

Area Navigator by Eric Ludlam

interactive area plot (specialized, plotting, area)

areanav(datagroups, xdata, makestring)

lazylim(ax, limprop, value)

swooshprop(varargin)

polyorient by M MA

Orientation of polygon (orientation, 2d, polygon)

polyorient(x,y)

Contour Area Calculation by Phillip Tamchina

Calculates the area of contour regions. (contour, area, calculation)

area.m

leafarea by Qian Wang

leaf area estimation (image analysis, leafarea, estimation)

leafarea(varargin)

hullfit by Peter Wasmeier

Fit polygon hull to a data set better than convhull would do. (hull, convhull, area)

k=hullfit(x,y,p,fh)

Binary Image Cleaning Based on Area Size by Zhe Wu

Foreground area larger (or smaller, depending on 'mode') is preserved; otherwise it's deleted. (morphology, segmentation, binary)

imout=sizethre(im,s,mode);

Area and volume of a 3D convex hull by Malcolm A. MacIver

Volume and area of a 3D convex hull. (amf, convex polytope, volume)

[volume,area]=area3d(v)

varea.m by Kang Zhao

Compute the area and judge the direction of a closed curve. (data exploration, area, direction)

area=varea(C)

area3D by Ioan Buciu

A function for area of a 3D planar polygon.polygon which does (3d, planar polygon, mathematics)

area3D(x,y,z)