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    [技术]FRED如何调用Matlab [复制链接]

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    只看楼主 倒序阅读 楼主  发表于: 2021-10-25
    简介:FRED作为COM组件可以实现与Excel、VB、Matlab等调用来完成庞大的计算任务或画图,本文的目的是通过运行一个案例来实现与Matlab的相互调用,在此我们需要借助脚本来完成,此脚本为视为通用型脚本。 Nk$|nn9#'  
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    配置:在执行调用之前,我们需要在Matlab命令行窗口输入如下命令: W:8{}Iu<  
    enableservice('AutomationServer', true) L5wFbc"u  
    enableservice('AutomationServer') s`]SK^j0  
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    结果输出为1,这种操作方式保证了当前的Matlab实体可以用于通信 Yic4|N?u  
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    在winwrp界面,为增加和使用Matlab类型的目录库,我们需要如下步骤: PFbkkQKsT  
    1. 在FRED脚本编辑界面找到参考. {Q^ -  
    2. 找到Matlab Automation Server Type Library qzu(4*Gk6  
    3. 将名字改为MLAPP O4^' H}*  
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    在Matlab里面有两种常用的数据发送选项PutWorkspaceData 及PutFullMatrix,PutWorkspaceData适用于存储一般的数据在工作区,并赋予其为变量,PutFullMatrix试用于复数数据。 @,]$FBT"5  
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    图 编辑/参考
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    现在将脚本代码公布如下,此脚本执行如下几个步骤: J8&0l&~ 6  
    1. 创建Matlab服务器。 PaDm"+H@  
    2. 移动探测面对于前一聚焦面的位置。 E6?0/"  
    3. 在探测面追迹光线 BMn`t@!x  
    4. 在探测面计算照度 raR=k!3i  
    5. 使用PutWorkspaceData发送照度数据到Matlab oSO~72  
    6. 使用PutFullMatrix发送标量场数据到Matlab中 Yg;7TKy  
    7. 用Matlab画出照度数据 H[?l)nZ}  
    8. 在Matlab计算照度平均值 x*:"G'zT  
    9. 返回数据到FRED中 (J j'kW6G6  
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    代码分享: R{9G$b1Due  
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    Option Explicit IL%P\Zs  
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    Sub Main IKp/xj[!  
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        Dim ana As T_ANALYSIS D@ BP<   
        Dim move As T_OPERATION #V@vz#bo=  
        Dim Matlab As MLApp.MLApp VF~kjH2>  
        Dim detNode As Long, detSurfNode As Long, anaSurfNode As Long Ece=loV*l  
        Dim raysUsed As Long, nXpx As Long, nYpx As Long byk9"QeY\  
        Dim irrad() As Double, imagData() As Double, reals() As Double, imags() As Double h9&0"LHr  
        Dim z As Double, xMin As Double, xMax As Double, yMin As Double, yMax As Double 87R$Y> V  
        Dim meanVal As Variant i~{0>"9  
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        Set Matlab = CreateObject("Matlab.Application") 5RKs 2 eV  
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        ClearOutputWindow ?+byRoY>&g  
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        'Find the node numbers for the entities being used. A-u}&}l<  
        detNode = FindFullName("Geometry.Screen") z'Ut9u  
        detSurfNode  = FindFullName("Geometry.Screen.Surf 1") u X(#+  
        anaSurfNode = FindFullName("Analysis Surface(s).Analysis 1") M1K[6V!   
    ZP<OyX?  
        'Load the properties of the analysis surface being used. V B=jK Mi  
        LoadAnalysis anaSurfNode, ana e#ne5   
    R`%O=S*]  
        'Move the detector custom element to the desired z position. Tqx  
        z = 50 ]ia{N  
        GetOperation detNode,1,move uAV-wc  
        move.Type = "Shift" Ro#O{  
        move.val3 = z p<Vj<6.=?  
        SetOperation detNode,1,move dF+:9iiAm  
        Print "New screen position, z = " &z t<SCrLbz  
    z+j3j2  
        'Update the model and trace rays. 2&2t8.<  
        EnableTextPrinting (False) 2))p B/  
            Update is{H >#+"  
            DeleteRays bG]?AiW r  
            TraceCreateDraw `Oe}OSxnT  
        EnableTextPrinting (True) I:] Pd  
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        'Calculate the irradiance for rays on the detector surface. PC& (1kJ  
        raysUsed  = Irradiance( detSurfNode, -1, ana, irrad ) (_Rl f$D  
        Print raysUsed & " rays were included in the irradiance calculation. !PEP`wEKdp  
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        'When using real number data to send to MATLAB, it is simplest to use PutWorkspaceData. T{*!.+E  
        Matlab.PutWorkspaceData("irradiance_pwd","base",irrad) h?vt6t9  
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        'PutFullMatrix is more useful when actually having complex data such as with (5)DQ 1LaF  
        'scalar wavefield, for example. Note that the scalarfield array in MATLAB  *,e `.  
        'is a complex valued array. y+M9{[ i/O  
        raysUsed = ScalarField ( detSurfNode, -1, ana, reals, imags ) Bv^5L>JZ/  
        Matlab.PutFullMatrix("scalarfield","base", reals, imags ) BBj>ML\X  
        Print raysUsed & " rays were included in the scalar field calculation." bDV/$@p  
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        'Calculate plot characteristics from the T_ANALYSIS structure.  This information is used  9 -Xr  
        'to customize the plot figure. !eD f}~  
        xMin = ana.posX+ana.AcellX*(ana.Amin-0.5) WCg&*  
        xMax = ana.posX+ana.AcellX*(ana.Amax+0.5) fh9w5hT={  
        yMin = ana.posY+ana.BcellY*(ana.Bmin-0.5) -\8v{ry  
        yMax = ana.posY+ana.BcellY*(ana.Bmax+0.5) W9jxw4)  
        nXpx = ana.Amax-ana.Amin+1 cTdX'5  
        nYpx = ana.Bmax-ana.Bmin+1 o AM)<#U>  
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        'Plot the data in Matlab with some parameters calculated from the T_ANALYSIS LbnW(wr6:(  
        'structure.  Set the axes labels, title, colorbar and plot view. /Hyi/D{W  
        Matlab.Execute( "figure; surf(linspace("&xMin &","&xMax &","&nXpx &"),linspace("& yMin &"," & yMax & "," & nYpx & "),irradiance_pwd, 'EdgeColor', 'None');" ) )/BbASO$)Z  
        Matlab.Execute( "xlabel('X Position (" & GetUnits() & ")')" ) : Matlab.Execute( "ylabel('Y Position (" & GetUnits() & ")')" ) : Matlab.Execute( "zLabel( 'Irradiance' )" ) A 7zL\U4  
        Matlab.Execute( "title('Detector Irradiance')" ) GNM+sd y+  
        Matlab.Execute( "colorbar" ) OTWp,$YA=  
        Matlab.Execute( "view(2)" ) 2h`Tn{&1/  
        Print "" eJ60@N\A  
        Print "Matlab figure plotted..." jJe?pT]o  
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        'Have Matlab calculate and return the mean value. R-1C#R[  
        Matlab.Execute( "irrad = mean(mean(irradiance_pwd));" ) BSyS DM  
        Matlab.GetWorkspaceData( "irrad", "base", meanVal ) \s,~|0_V  
        Print "The mean irradiance value calculated by Matlab is: " & meanVal e^orqw/I  
    T0%l$#6v  
        'Release resources F;Bq[V)R  
        Set Matlab = Nothing 6Vu)  
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    End Sub *m[[>wE  
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    最后在Matlab画图如下: Si-Q'*Y=  
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    并在工作区保存了数据: i?'|}tK  
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    并返回平均值: nc.:Wm6Mj  
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    与FRED中计算的照度图对比: Up\ k67  
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    例: @8 lT*O2j  
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    此例系统数据,可按照此数据建立模型 *fQn!2}=(  
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    系统数据 !PJp()  
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    光源数据: 1i@a? 27|  
    Type: Laser Beam(Gaussian 00 mode) 3% O[W  
    Beam size: 5; b-YmS=*  
    Grid size: 12; -BEd7@?A  
    Sample pts: 100; ? w@)3Z=u  
    相干光; z(1`Iy M  
    波长0.5876微米, ricL.[v9S  
    距离原点沿着Z轴负方向25mm。 #S"s8wdD  
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    对于执行代码,如果想保存图片,请在开始之前一定要执行如下代码: =JN{j2xY  
    enableservice('AutomationServer', true) lec3rv0)  
    enableservice('AutomationServer') 96<0=   
     
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