📄 som_plotplane.html

📁 Kohonen的SOM软件包
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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"><html><head><title>SOM Toolbox / som_plotplane </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_plotplane </H1><H3> Purpose </H3><PRE> Visualizes the map prototype vectors as line graph</PRE><H3> Syntax </H3><UL><PRE>  h = som_plotplane(topol, data)  h = som_plotplane(lattice, msize, data)  h = som_plotplane(..., color)  h = som_plotplane(..., color, scaling)  h = som_plotplane(..., color, scaling, pos)</PRE></UL><H3> Description </H3><PRE>  Visualizes the map prototype vectors as line graph</PRE><H3> Known bugs </H3><PRE>  It is not possible to specify explicit coordinates for map  consistig of just one unit as then the msize is interpreted as  map size.</PRE><H3> Features </H3><PRE>  - the colors are fixed: changing colormap in the figure (see    COLORMAP) will not affect the coloring of the plots</PRE><H3> Required input arguments </H3><PRE> lattice  The basic topology   (string) 'hexa' or 'rect' positions the plots according to hexagonal or             rectangular map lattice. msize    The size of the map grid        (vector) [n1 n2] vector defines the map size (height n1 units, width n2             units, total M=n1 x n2 units). The units will be placed to their             topological locations in order to form a uniform hexagonal or             rectangular grid.      (matrix) Mx2 matrix defines arbitary coordinates for the M units.            In this case the argument 'lattice' has no effect. topol    Topology of the map grid   (struct) map or topology struct from which the topology is taken data     The data to be visualized   (matrix) Mxd matrix of data vectors. </PRE><H3> Optional input arguments </H3><PRE> If unspecified or given empty values ('' or []), default values will be used for optional input arguments. color    The color of the plots    (string) Matlab's ColorSpec (see help plot) string gives the same color              for each line.    (matrix) Mx3 matrix assigns an RGB color determined by the Nth row of             the matrix to the Nth plot.     (vector) 1x3 RGB vector gives the same color for each line. scaling  The data scaling mode    (string) 'on or 'off': if scaling is set on, the data will be             linearly scaled in each unit so that min and max values span from              lower to upper edge in each unit. If scaling is 'off', the proper              scaling is left to the user: values in range [-.5,.5] will be plotted              within the limits of the unit while values exceeding this             range will be out of the unit. pos      Position of the origin              (vector) This is meant for drawing the plane in arbitary location in a              figure. Note the operation: if this argument is given, the             axis limits setting part in the routine is skipped and the limits             setting will be left to be done by MATLAB's             defaults. By default no translation is done.</PRE><H3> Output arguments </H3><PRE>  h (scalar)  Handle to the created patch object</PRE><H3> Object tag </H3><PRE> Object property 'Tag' is set to 'planePlot'.       </PRE><H3> Examples </H3><PRE> %%% Create the data and make a map  data=rand(1000,20); map=som_make(data); %%% Create a 'gray' colormap that has 64 levels color_map=gray(64); %%% Draw plots using red color som_plotplane(map, map.codebook,'r'); %%% Calculate hits on the map and calculate colors so that     black = min. number of hits and white = max. number of hits hit=som_hits(map,data); color=som_normcolor(hit(:),color_map); %%% Draw plots again. Now the gray level indicates the number of hits to      each node som_plotplane(map, map.codebook, color);</PRE><H3> See also </H3><TABLE NOBORDER WIDTH=80%><TR><TD><a href="som_cplane.html"><B>som_cplane</B></a><TD> Visualize a 2D component plane, u-matrix or color plane<TR><TD><a href="som_barplane.html"><B>som_barplane</B></a><TD> Visualize the map prototype vectors as bar diagrams.<TR><TD><a href="som_pieplane.html"><B>som_pieplane</B></a><TD> Visualize the map prototype vectors as pie charts</TABLE><p><hr><br><br><!-- Last updated: May 30 2002 --></body></html>
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