load_points_set.m

toolbox_dimreduc - a toolbox for dimension reduction methods This toolbox is an educational and rec

function [X,col] = load_points_set( name, n, options )

% load_points_set - load a 3D sample dataset
%
%   name is either
%   'swissroll','square','scurve','swisshole','corner_plane',
%   'puncted_sphere','twin_peaks','3d_cluster','toroidal_helix','rand_gaussian'
%   'spiral', 'circles'
%   n is the number of points
%   options.sampling can be 'rand' or 'uniform'
%   options.noise_level is to add some jitter.
%
%   Copyright (c) 2005 Gabriel Peyr