Fit 2D Gaussian with Optimization Toolbox by Nathan Orloff

Fit a 2D rotated gaussian. http://en.wikipedia.org/wiki/Gaussian_function (image processing, optimization, signal processing)

fmgaussfit(xx,yy,zz)

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)

Rose Model by LY Cao

two example that generate a 3D rose. (3d, graphics, surface)

roseplot1.m

roseplot2.m

Diagramas de radiacion de una antena by Diego

Permite la observación tanto en 2D como en 3D de los diagramas de radiacion de una antena isotrópica (surface, rotate3d)

Diagra_Radia__1_.m

Construction of cubic Bezier Patch and Surface by Dr. Murtaza Khan

Construction of cubic Bezier Patch and Surface (cubic bezier, patch, surface)

Q=bezierpatchinterp(P,varargin)

plotbezierpatch3D(P,Q)

plotbeziersurface3D(S,Q)

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)

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)

Heightprofile from GoogleEarth to 3D-Surface by Sven Koerner

The tool get the height-Profile from GoogleEarth via COM-API and the image to generate a 3D-surface. (3d, surface, plot)

ge_test1

Spectrogram, STFT, with varied kinds of Plots by Shreyes

Plots STFT using line, Stem, Surface, Image. STFT calculation done using in built function (plotting stft, plotting spectrogram, signal processing)

spectrogram_multiplot(plot_type, data, varargin)

spectrogram_multiplot_demo.m

posdist by Jakob Tougaard

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

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

Rotate.m function fixed by Luc Masset

Surf property "vertexnormals" are updated correctly. (rotate, surf, surface)

rotate(h,azel,alpha,origin)

Vectorized Meshgrid by Ioannis Filippidis

Conversions between N-D rectangular domain, meshgrid and matrix of column vectors (mathematics, meshgrid, vectorization)

domain2meshgrid(domain, resolution)

domain2vec(domain, resolution)

example_vectorized_surf_plot

Shape Context Based Corresponding Point Models by Dirk-Jan Kroon

Shape Context based nonrigid registration of 2D/3D objects, to build Active Shape Models (icp, contour, 3d)

A=imresize3d(V,scale,tsize,ntype,npad)

A=imresize3d(V,scale,tsize,ntype,npad)

A=imresize3d(V,scale,tsize,ntype,npad)

copyaxes by Mar Callau-Zori

Copy an axes object into another axes object (copy, pie, axes)

copyaxes(source, destination, varargin)

Export a Matlab surface to an Avizo© (VSG) compatible surface by Sheng Yue

Export a single surface defined by vertices and triangular faces to an Avizo compatible surface (usagewriteavizosurff, v, filename)

writeAvizoSurf.m

Fast Loop mesh subdivision by Dylan Muir

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

...

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)

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, ...

Patch Curvature by Dirk-Jan Kroon

Principal, Gaussian and Mean Curvature of triangulated mesh (curvature, gaussian, principal)

[Cmean,Cgaussian,Dir1,Dir2,Lambda1,Lambda2]=patchcurvature(...

Matlab 3D figure to 3D (X)HTML by Dirk-Jan Kroon

Converts 3D objects of a Matlab figure to XHTML embedded X3D file. Interactive 3D website graphics. (3d, opengl, webgl)

[F,V,Cface,Cedge,E,T]=surf2FV(Obj)

[data,loc]=XMLaddNode(name,data,loc)

[data,loc_body]=XHTMLheader(options)

Shaped colorplot by Fanny Besem

2D or 3D shaped colorplot: useful to represent surface properties (surface, surface properties, contour)

shapedcolorplot.m

intersectPlaneSurf II by Mehmet OZTURK

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

intersectPlaneSurf.m

Showvol Isosurface Render by Dirk-Jan Kroon

GUI to show Isosurface of volume data, with fast preview render (3d, gui, iso)

showvol(varargin)

Cylinder by Avni Pllana

This is the improved version of the previously submitted function 'cylinder2.m' . (surface, tube)

[X,Y,Z]=cylinder2(x,y,z,r,N,o)

Surface2VTK by James Ramm

Interpolates scattered data and saves the result to a vtk file. (vtk, surface, surf)

fillElevation(Elev,ncellX,ncellY,nlayer,nR)

meanRes(R,ncellY,ncellX,nlayer)

surface2vtk(x,y,z,r,vtkname)

Fast STL import function by Eric Trautmann

Function to import .stl geometry model files into matlab. (triangle, 3d, model)

varargout=import_stl_fast(filename,mode)

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...

Scalar Function Surface Plotter by Matthew

plots a 3-d surface and returns a matrix of 3-d pts based on a symbolic expression of xyz (surface, scalar function, 3d surface)

out_mat=fielder(fld_rng,sclr_fnc,z_fnc)

Ezimplot3: implicit 3D functions plotter by Gustavo Morales

Plots a 3D surface defined implicitly (3d ezplot, implicit functions, specialized plotting)

ezimplot3(varargin)

freezeColors / unfreezeColors by John Iversen

Use multiple colormaps per figure! Version 2, now works for many types of objects, not only images. (colormap, caxis, annotation)

freezeColors(varargin)

unfreezeColors(h)

Contents.m

surfi by Ben Mitch

Plot (or return) surface interpolated from supplied vertices. (visualization, plotting, plot)

surfi(XYZ, C, maxSideLength)

triangulate(varargin)

triangulate_pareByArea(XYZ, v, maxTriangleArea)

Surface Fitting using gridfit by John D'Errico

Model 2-d surfaces from scattered data (interpolation, surface, modeling)

gridfit_demo

gridfit(x,y,z,xnodes,ynodes,varargin)

test_main.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

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

Earth-sized Sphere with Topography by Will Campbell

variation on the SPHERE command to facilitate plotting of orbital trajectories (space, earth, orbit)

earth_sphere(varargin)

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)

SHADOWPLOT by Scott Hirsch

Add a shadow to an existing surface plot. (shadow, 3d, surface)

shadowplot(varargin)

Plot 2D/3D region by Per Bergström

The program plots convex closed regions in 2D/3D. (polyhedron, 3d, plotting)

plotregion(A,b,lb,ub,c,transp,points,linetyp,start_end)

example1.m

example2.m

Qplot by Francisco de Castro

Menu driven GUI for creating many graph types (3d, scatter, plot)

Qplot()

barerror (X,Y,E,width,color)

getcols (col)

3D colored line plot by Georg Stillfried

Plot 3D lines with CData, (actually surface) (3d, color line, plot3)

color_line3(x, y, z, c, varargin)

surfo by Andres

workaround for surface lighting with OpenGL (plot, surf, surface)

facenorm(X,Y,Z)

surfo(varargin)

Volatility Surface by Rodolphe Sitter

Compute and Plot Volatility Surfaces from Market Prices (implied volatility, black, surface)

VolSurface(S0, r, T, K, CallPrice)

Example1.m

Example2.m

igesout by Daniel Claxton

Convert surfaces, curves and lines to IGES file (cad, iges, convert)

igesout(obj,filename,varargin)

"boundary" class v2.1: a wrapper for surface objects by Kenneth Eaton

Adds functionality for fast detection of intersections between line segments and rendered surfaces (plotting, boundary, graphics)

boundary(hObject,varargin)

delete(boundaryObject)

get(boundaryObject,propertyArray)

Cylinder Surface connecting 2 points by Wei Pan

generate points on a cylinder connecting two points (cylinder, graphics, specialized)

cylinder2P(R, N, M, r1,r2)

Colored line or scatter plot by Pekka Kumpulainen

Plot lines with CData, (actually surface) (cdata, plot, color line)

color_line(x, y, c, varargin)

curvature by Wolfgang Schwanghart

8-connected neighborhood curvature of a digital elevation model (derivative, slope, gis)

curvature(DEM,varargin)

Minimal Bounding Box by Johannes Korsawe

Minimal bounding box around points in the (x,y,z) space (bounding, box, cuboid)

minboundbox(x,y,z,metric,level)

plotminbox(cornerpoints,col)

Biparabolic interpolation by Orlando Rodríguez

Biparabolic surface interpolation and calculation of derivatives. (approximation, interpolation, derivatives)

biparinterp(x,y,f,nodes)