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2009-09-24 14:33:02

 文件: jmathplot.jar.zip 大小: 287KB 下载: 下载

jmathtool是一个非常不错的开源jar用三维，二维等绘图的java工具包。下面举例说明如何在matlab调用jmathtool的绘图方法而并非使用matlab自带的绘图工具。一下就以三维，二维绘图类为例：

 `function cmdtest=jplot(data,varargin)% Usage: jplot. <-2D|-3D> [-l ] % [options] [[options] other ASCII % file][-l ] giving the legend % position[options] are:% -t )|HISTOGRAM3D(,% )|GRID3D|CLOUD2D(,)|CLOUD3D(% ,,)> type of the plot% SCATTER|LINE|BAR: each line of the ASCII file contains coordinates% of one point.% HISTOGRAM2D(): ASCII file contains the 1D sample (i.e.% m=1) to split in h slices.% HISTOGRAM3D(,): ASCII file contains the 2D % sample (i.e. m=2) to split in h*k slices (h slices on X axis and k % slices on Y axis).% GRID3D: ASCII file is a matrix, first row gives n X grid values, % first column gives m Y grid values, other values are Z values.% CLOUD2D(,): ASCII file contains the 2D sample % (i.e. m=2) to split in h*k slices (h slices on X axis and k slices % on Y axis), density of cloud corresponds to frequency of X-Y slice % in given 2D sample.% CLOUD3D(,,): ASCII file contains % the 3D sample (i.e. m=3) to split in h*k*l slices (h slices on X % axis, k slices on Y axis, l slices on Y axis), density of cloud % corresponds to frequency of X-Y-Z slice in given 3D sample.% -n name name of the plot% -v vector data to add to the plot% -q() Q-quantile to add to the % plot on axis. Each line of the given ASCII file contains the% value of quantile for probvability Q.% -qP p-quantiles density to add to the plot% on axis. Each line of the given ASCII file contains p values.% -qN Gaussian density to add to the plot on% axis. Each line of the given ASCII file contains a % standard deviation. % Sqniu 09/24/09% Modified:% \$Revision:0.1 \$Date: 2009/09/24 11:05:56 \$%--------------------------------------------------------------------------if nargin < 1    error('MATLAB:jplot:Nargin','Requires at least 1 input arguments.');end[row,col]=size(data);if col==2    basestr='java -cp jmathplot.jar org.math.plot.PlotPanel -2D -l SOUTH ';elseif col==3    basestr='java -cp jmathplot.jar org.math.plot.PlotPanel -3D -l SOUTH ';else    error('MATLAB:jplot:data',' The matrix with two columns or three columns.');endfiletemp=['jplot','.txt'];disp(varargin)if length(varargin)<1    dlmwrite(filetemp,data,'delimiter',' ','newline','pc');    runstr=[basestr,filetemp];elseif length(varargin)>=1    varargin=strcat(' ',varargin);    drawflag=cell2mat(varargin);    dlmwrite(filetemp,data,'delimiter',' ','newline','pc');    runstr=[basestr,drawflag,' ',filetemp];else    error('MATLAB:jplot:varargin','Input arguments is not right.');enddisp(runstr)cmdtest=dos(runstr);delete(filetemp);end`

>>jplot(rand(10,2),'-t line',' -n data')

>>jplot(rand(10,3),'-t bar',' -n data')

>>jplot(rand(10,3))

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