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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"><html><head><title>SOM Toolbox / som_trajectory </title></head><body bgcolor=#f0f0f0><table border=0 width="100%" cellpadding=0 cellspacing=0><tr><td valign=baseline><font size=+2>SOM Toolbox</font></td><td valign=baseline align=center><a href="somtoolbox.html">Online documentation</td><td valign=baseline align=right><a href="http://www.cis.hut.fi/projects/somtoolbox/" target="_top">http://www.cis.hut.fi/projects/somtoolbox/</a></td></tr></table><hr><H1> som_trajectory </H1><P><B> som_trajectory(bmus,varargin)</B></P><PRE>SOM_TRAJECTORY Launch a "comet" trajectory visualization GUI. som_show(sM,'umat','all') bmus = som_bmus(sM,sD); som_trajectory(bmus) som_trajectory(bmus, 'data1', sD, 'trajsize', [12 6 3 1]') som_trajectory(bmus, 'data1', sD.data(:,[1 2 3]), 'name1', {'fii' 'faa' 'foo'}) Input arguments ([]'s are optional): bmus (matrix) size Nx1, vector of BMUS ['argID', (string) Other arguments can be given as 'argID', value value] (varies) pairs. See list below for valid values. NOTE: the GUI only works on a figure which has been made with SOM_SHOW. Here are the valid argument IDs (case insensitive) and associated values: 'color' string 'xor' or ColorSpec, default: 'xor'. (default: according to lattice as in som_cplane) 'TrajSize' vector of size Nx1 to define the length of comet (N) and size of the comet dots in points. default: [16 12 10 8 6 4]' 'Data1' SOM Toolbox data struct or matrix. The size of data matrix (in data struct the field .data) is Nxd, where N must be the same as the amount of BMUS given in the first input argument 'bmus' This data is shown in a new window in d subplots. Default: BMU indices (first input argument) 'Name1' cell array of d strings which contains names for the components in 'Data1'. If 'Data1' is a SOM Toolbox data struct, the existing component names are overdone. 'Figure' scalar that must be a handle to an existing figure which has been made using SOM_SHOW function. Default: current active figure (gcf). The following tools can be found in the 'Tools' -menu. Remove Trajectory: removes trajectory from the map. Dye Nodes : opens GUI for selecting color for the nodes and points selected. Clear Markers : removes markers from map and data figure. Save : saves the current situation as a struct. Load : loads the struct from workspace and draws markers. Mouse operation In data window: Left button is used to drag the operation point ruler if left button is on blank area, it starts In map window : Left button starts a polygon; right button finishes; middle button toggles a unit. SOM_TRAJECTORY is an application for observing trajectory behavior. Using mouse the line in data figure can be dragged and the trajectory moves in the SOM SHOW figure. It is also possible to move trajectory by pressing keys '>' and '<' when mouse pointer is above data figure. Regions can be chosen from the data and the points in that region are mapped to the component planes. Regions can be chosen also in the map. In this situation data points and map nodes are also marked (Left mouse button adds point to the polygon indicating the region and right button finals the polygon). By clicking a node (the middle button) that node is either added or removed from selection. It should be noticed that choosing intervals from data may cause situations that seem to be bugs. If there exisist marks of different color, removing them by clicking the map may left some marks in the data, because more than one point in the data is mapped to the same node in the map and the removing operation depends on the color of the marks. However, all the marks can be removed by using the 'Clear Markers' -operation. FEATURES The first input argument 'bmus' may also be a munits x N matrix In this case each column defines a "fuzzy response". That is, each column defines a hit histogram function). The element bmus(i,t) sets the size of marker on unit i at time t. NOTE: - in this case no regions can be selcted on the map! - only > and < keys can be used to move the operation point line: it can't be dragged - "fuzzy response is always black (hope this will be fixed) It is possible to open a second data window showing different data: use indetifiers 'Data2' (and 'Name2'). The argument syntax is identical to 'Data1' (and 'Name1'). See also SOM_SHOW, SOM_SHOW_ADD, SOM_BMUS. </PRE><p><hr><br><center>[ <a href="somtoolbox.html">SOM Toolbox online doc</a> ]</center><br><!-- Last updated: May 30 2002 --></body></html>⌨️ 快捷键说明
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