geom3d by David Legland

Library to handle 3D geometric primitives: create, intersect, display, and make basic computations (3d, plane, geometric computing)

demoDrawTubularMesh

demoGeom3d

demoInertiaEllipsoid

Circle Plane in 3D by Cheng-Yuan Wu

Plot and fill a circle by given center, radius, and surface normal (circle, circle plane, plane)

circlePlane3D( center, normal, radious, theintv, normalon, ...

Plane Fitting and Normal Calculation by Dan Couture

Given a set of x,y,z coordinates, find the best planar fit. (fit, plane, normal)

fitNormal(data, show_graph)

t_fitNormal()

Get Rotation Matrix from 2 Orthogonal Planes by Gemma Parra

Computes a 3x3 rotation matrix from two orthogonal planes in a 3D point cloud. (rotation, matrix, 3d)

callbackClickARectangleLowerRight(src, eventData, pointClou...

callbackClickARectangleUpperLeft(src, eventData, pointCloud...

getRMatrix(pointCloud)

dist2plane by Val Schmidt

A function to calculate the distance from a point to a plane. (mathematics, point, plane)

dist2plane(po,C)

planefit by Val Schmidt

A function to fit a plane to a 3D point cloud. (plane, fit)

planefit(x,y,z)

vector_plane_intersect by Val Schmidt

A function to fine the point where a line intersects a plane. (mathematics, line, plane)

vector_plane_intersect(Vo,V,C)

geom2d by David Legland

Geometry library for matlab. Performs geometric computations on points, lines, circles, polygons... (computational geometr..., mathematics, plan)

angle2Points(varargin)

angle3Points(varargin)

angleAbsDiff(angle1, angle2)

intersectPlaneSurf II by Mehmet OZTURK

Intersection of a plane with an arbitrary surface (intersection, plane, surface)

intersectPlaneSurf.m

IntersectPlaneTriangle mex by Mehmet OZTURK

Calculation of intersection between a plane and a triangle (intersection, plane, triangle)

example.m

plane intersection by Nassim Khaled

It computes the intersection of two planes in space. (plane intersection, intersect, 3d)

[P,N,check]=plane_intersect(N1,A1,N2,A2)

determine surface area and uncertainty from points in a plane by Mathias Anton

calculates the surface area and its uncertainty from coord's x,y and their uncertainties ux, uy (mathematics, measurement, surface area)

[A,uA]=flaeche(x,y,ux,uy)

Crystallographic_Calculation by Zainul Aabdin

This script is able to calculate angle between planes, directions of different crystal system. (gui, physics, crystallography)

Crystallographic_Calculations.m

intersectPlaneSurf by Mehmet OZTURK

Intersection points of an arbitrary surface with an arbitrary plane. (plane, intersection, contour)

out=intersectPlaneSurf(p0, v, exx, eyy, ezz)

example.m

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);

Plot a plane or line in 3D by Calvin Price

User specifies two independent vectors, and the corresponding plane is graphed. (plane, 3d, plot)

arrow3D(pos, deltaValues, colorCode, stemRatio)

column3D(pos, deltaValues, colorCode, stemRatio)

rotatePoints(alignmentVector, originalData)

Shortest Path with Obstacle Avoidance (ver 1.3) by Michael Kleder

Computes shortest path between two points in the plane, avoiding obstacles. (avoidance, shortest path, avoid)

varargout=shpath(MM,ri,ci,rf,cf)

Gerschgorin's disk Thm (a test) by Summit Suen

plot eigenvalue on complex plane show that all these points located in such circles. (linear algebra, gerschgorin eigenvalu..., test)

testGerschgorin(A)

Least-Squares optimal affine subspace by Ofek Shilon

Computes the affine subspace (eg, line, plane) that optimally fits the input data (approximation, optimal, optimization)

lsqAffineSpace(V, SpaceDim,varargin)

lsqLine(V,varargin)

lsqPlane(V,varargin)

Isoparametric Rectangular Plane Stress FEMs by Ali OZGUL

rectangular isoparametric (isoparametric, rectangular, plane stress)

isoplane1.m

isoplane2.m

isoplane3.m

planenormvec by Yo Fukushima

Calculate the normal vector of a plane in 3D that contains three points. (plane, normal, vector)

planenormvec(p1,p2,p3)

leafarea by Qian Wang

leaf area estimation (image analysis, leafarea, estimation)

leafarea(varargin)

Psi by Paul Godfrey

Compute the psi or digamma function. (psi, digamma, plane)

psi(z)