Simple 3D mesh to web converter by Benjamin I

A simple script to convert a mesh consisting of faces and vertices to an interactive html document. (mesh, x3dom, 3d)

x3mesh(f,v, varargin)

demo1.m

demo2.m

stlwrite - Write binary or ascii STL file by Sven

Export a variety of inputs (patch, surface) to an STL triangular mesh (stl, tri, patch)

stlwrite(filename, varargin)

Grid Generation by Siva Srinivas Kolukula

To demonstrate grid generation using analytic coordinates systems. (grid, grid generation, mesh)

BipolarCoordinates(Xi,Eta,a)

EllipticCylinderCoordinates(Xi,Eta,a)

Horseshoe(Xi,Eta,row,b0,b1)

Spin/Rotate your plot! by Yu Ang Tan

Spins your plot in the z-axis! (3d, mesh, visual)

spin3dplot

Mesh voxelisation by Adam A

Voxelise a triangular-polygon mesh. (cad, mesh, voxelize)

COMPUTE_mesh_normals(meshdataIN,invertYN)

CONVERT_meshformat(varargin)

READ_stl(stlFILENAME,varargin)

inpolyhedron - are points inside a volume? by Sven

It's inpolygon(), but for 3D triangulated surfaces. (non-convex surfaces, too!) (inpolygon, inside, mesh)

inpolyhedron(varargin)

gradedmesh by Ben Postlethwaite

Meta-function and optional GUI that transforms linear mesh coordinates into a chosen graded mesh (mesh graded gradedmes..., mesh graded gradedmes..., mesh)

meshfunc(curve, weight)

meshgui(varargin)

plotMesh( x, z )

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

Meshing a spherical shell by Bilen Oytun Peksel

This small function meshes a spherical shell and returns to unique vertices and proper faces matrix (mesh, spherical, nodal connectivity)

mesh_sph (rho,theta,phi)

regular_mesh by Immanuel Anjam

Regular (uniform) meshes for non-rectangular domains. (regular, uniform, mesh)

[x,y]=geom(bs,s)

[x,y]=geom(bs,s)

drawedges(geom)

Export figure to 3D interactive PDF by Ioannis Filippidis

Export figure as a U3D file or directly to 3D interactive graphics within a PDF. (3d, u3d, graphics)

[strmodelshading, strfaces_colors, strfaceshading, strcolor...

arclength(px,py,varargin)

axes_extremal_xyz(ax)

read_tetgenmesh by Immanuel Anjam

Reads Tetgen meshes into Matlab (tetgen, 3d, mesh)

read_tetgenmesh( file )

test.m

Converting a 3D logical array into an STL surface mesh by Adam A

Conversion of a voxelised object contained within a 3D logical array into an STL surface mesh. (stl, cad, data export)

CONVERT_meshformat(varargin)

CONVERT_voxels_to_stl(STLname,gridDATA,gridX,gridY,gridZ,va...

READ_stl(stlFILENAME,varargin)

Polygon2Voxel by Dirk-Jan Kroon

Convert a triangulated mesh into a voxel volume (mesh, voxel volume, polygons)

Volume=polygon2voxel(FV,VolumeSize,mode,Yxz)

Volume=polygon2voxel_double(FacesA,FacesB,FacesC,VerticesX,...

stlwrite - Write binary or ascii STL file by Grant Lohsen

This is an update to the excellent work done by Sven Holcombe to add color support (data export, data import, mesh)

stlwrite(filename, varargin)

loadAmiraMesh by Cengiz Gunay

Load Amira Mesh 3D ASCII data (amira, mesh, data)

loadAmiraMesh(filename, isverbose)

splitFV - split a mesh by Sven

Splits a 2D or 3D mesh defined by faces and vertices into separately connected mesh pieces. (mesh, separate, split)

splitFV( f, v )

The Plane Stress Problem by Siva Srinivas Kolukula

Plate under uniform tension at its edges is solved using Finite Element Method (postprocessing, fem, plate)

GaussQuadrature(ngl)

PlotFieldonMesh(coordinates,nodes,component)

PlotMesh(coordinates,nodes)

Meshing thin shells using four noded elements by Siva Srinivas Kolukula

To mesh thin shells using four noded elements to use in Finite Element Analysis (thin shells, preprocessing, finite element analys...)

MeshConicalShell(Radius,theta,Height,NT,NR)

MeshCylindricalShell(Radius,theta,Height,NH,NT)

MeshSphericalShell(Radius,Height,theta,phi,N)

Meshing a plate using four noded elements by Siva Srinivas Kolukula

To mesh a plate with four noded elements for Finite Element Analysis (preprocessing, mesh, nodes)

MeshCircularPlate(Radius,theta,NR,NT)

MeshRectanglularPlate(L,B,Nx,Ny)

SHOWELEMENTS(ShowElements,ShowNodes,coordinates,X,Y,nel,nod...

Fast Loop mesh subdivision by Dylan Muir

Subdivide a surface mesh, using Loop subdivision. Boundary- and shape-maintaining. (surface, mesh, triangulation)

...

vtkpipe by LeFlaux

Pipe visualization data to vtk files. (vtk, visualization, data export)

vtkquiver(x, y, z, u, v, w, varname, filename)

vtkseries(t, f, filename)

vtktrisurf(tri, x, y, z, argin5, argin6, argin7)

Fast Alpha Hulls (parfor enabled) by Dylan Muir

Compute the alpha hulls (exterior and interior) of a set of points. (alpha hull, shape, surface)

AlphaHull(mfPoints, fAlphaRadius, triDelaunay)

TriCircumcenter(vfPoint1, vfPoint2, vfPoint3)

Unstructured quadrilateral mesh quality assessment by Allan Peter Engsig-Karup

Assess the quality of a triangle mesh using a simple indicator. (mesh, quad, quadrilateral)

MeshQualityQuads(EToV,VX,VY)

Compute a Tutte map of a planar surface triangulation by Dylan Muir

Map a surface mesh onto a planar unit circle, using Tutte's algorithm. (surface, triangulation, mesh)

TutteMap(mnTriangulation)

[ mnEdges, mbVertVertAdjacency, ...

QUADPLOT - for plotting 2D quad-meshes by Allan Peter Engsig-Karup

QUADPLOT is a routine for plotting 2D meshes based on quadrilaterals. (mesh, plot, quads)

quadplot(quad,varargin)

QUADPLOT - for plotting 2D quad-meshes by Allan Peter Engsig-Karup

QUADPLOT - for plotting 2D quad-meshes in Matlab. (mesh, plot, quad)

quadplot(quad,varargin)

Finite Element Triangular Mesh Generator by Kehinde OROLU

This function generates triangular mesh for a rectangular shape structure for FEM analysis (mesh, matrix, finite element analys...)

[coords cT nNodes ]=femTriangularMeshGenerator(Lx,Ly,Nx,NE)

FEMmeshExample.m

Wavefront OBJ toolbox by Dirk-Jan Kroon

Read and Write Wavefront OBJ geometry and MTL files (obj, blender, 3d studio max)

OBJ=read_wobj(fullfilename)

write_wobj(OBJ,fullfilename)

Generate U3D files from STL models for making multilayer 3D PDF figures by Francis Esmonde-White

Conversion of meshes into U3D files for making multilayer 3D PDF figures with transparency. (stl, mesh, 3d)

idtf2u3d(idtf_filename, u3d_filename)

installGoogleArchive(downloadLocation, zipFile)

mesh2idtf(varargin)

Create 3D-interactive HTML File from MATLAB surface, Part2 by Sven Koerner

This function allows to show 3d-surface plots in html - documents. (figure, html, interactive)

javaview_nosym(surface_handle, filename, destination, sourc...

Compute mesh normals by Adam A

Calculate the normal vectors for each facet of a triangular mesh. (mesh, normals, stl)

COMPUTE_mesh_normals(meshdataIN)

PLOT_3D_stl_patch(coordVERTICES,varargin)

READ_stl(stlFILENAME,varargin)

meshCanopy by Sean de

Display a mesh above a grayscale image (mesh, slice, colormap)

meshCanopy(I,Mdata,Mmap,height)

Tool for handling tessellated free shape objects with a Morphing Mesh Procedure by Pasquale Franciosa

Permits to import and modify a triangulated stl model by means of a morphing mesh approach. (mesh, stl, 3d plot)

A=evalAdjacentMatrix(Faces)

Bern=evalBern(n)

GUI_interface.m

3D Surface/Mesh to VRML Utility: mesh2vrml 1.0 by Saurabh Mahapatra

Convert MATLAB 3D surface to ElevationGrid in VRML (simulink, 3d, animation)

filename_final=mesh2vrml(X, Y, Z)

startmeup.m

Mesh2Tetra by Dirk-Jan Kroon

Convert a closed triangulated mesh to a tetrahedron volume ( like constrained Delaunay ) (delaunaytri, object, delaunayn)

C=PointToClosestPointOnPlane(A,B,C,P)

Faces=GetRemainingFaces(T,F,V)

InsidePoints3D(V,F)

2D polygon interior detection by Bruno Luong

Detect a whereas a point is interior or exterior to a 2D polygon (inpolygon, polygon, mesh)

benchinpoly(xv, yv, ntest)

insidepoly(varargin)

insidepoly_dblengine

Create 3D-interactive HTML File from MATLAB surface by Sven Koerner

This function uses the abiliy from MuPad to create javaview-files (jvd, jvx) and html - documents. (3d, mesh, surface)

javaview(surface_handle, filename, destination, source, ope...

Generate vertices, faces and color for u3d format by Sven Koerner

Generate vertices, faces and color for u3d format and display it in pdf or doc, xls and ppt (3d, u3d, excel)

u3d_pre

Plots a surface coloring by layers (using contour curves) by Rafael Palacios

Creates a surface and applies color by layers. Different elevation levels are clearly identified. (surface coloring, elevation, contour)

[s m]=surflayers(X,Y,Z,layers)

Smooth Triangulated Mesh by Dirk-Jan Kroon

Accurate smoothing of triangulated patch / mesh (curvature, umbrella, smoothing)

FV2=smoothpatch(FV,mode,itt,lambda,sigma)

Ne=vertex_neighbours(FV)

Ne=vertex_neighbours_double(Fa,Fb,Fc,Vx,Vy,Vz)

view2dm by Jeff Tuhtan

View a SMS .2dm mesh file in MATLAB using 'patch'. (sms, 2dm, patch)

view2dm(fileName,cmap,sh,li,al)

Triangular Mesh Refinement by Dirk-Jan Kroon

This function will refine a triangular mesh with 4-split spline interpolation (refinement, triangular, interpolation)

Fnew=makenewfacelist(F,HT_index, HT_values)

Ne=vertex_neighbours(FV)

Ne=vertex_neighbours_double(Fa,Fb,Fc,Vx,Vy,Vz)

Matlab mesh to PDF with 3D interactive object by Alexandre Gramfort

Export triangulated mesh into a pdf with a 3D interactive object. (3d pdf, pdf, 3d)

mesh_normals(points,faces)

mesh_to_latex(fname,points,faces,face_vertex_data)

save_idtf(filename,points,faces,face_vertex_data)

Triangle Subdivide (vectorized/fast) by Peter Karasev

vectorized 4x triangle subdivision: subdivide_tri.m (mesh, triangle, triangulate)

subdivide_tri( xyz, faces )

Remove Unconnected Triangle by David Gingras

This function takes a triangular mesh and remove the unconnected cells. (delaunay, triangulation, mesh)

[TRI2 XYZ2]=removeUnconnectedTri(TRI1,XYZ1,triID)

Two functions for smoothing/denoising of triangular meshes by J. Ole Kaven

2 functions to smooth noisy triangular meshes: Mean face normal filtering, Laplace flow filtering (mesh filter, smoothing, 3d)

Unstructured triangle mesh quality assesment by Allan Peter Engsig-Karup

Assess the quality of a triangle mesh using a simple indicator. (unstructured, triangle, mesh)

MeshQuality(EToV,VX,VY)

Curvature calculations on triangular 3D surface by J. Ole Kaven

Calculate principal curvatures on a triangular mesh in 3D. (3d, differential geometry, triangulation)

Assign connectivity ID to 2D triangular mesh by David Gingras

This function assigns an ID based on the connectivity for each cell of a 2D triangular mesh. (mesh, triangulation, connectivity)

groupID=connectivityTri(TRI)