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    [技术]FRED如何调用Matlab [复制链接]

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    离线infotek
     
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    只看楼主 倒序阅读 楼主  发表于: 2023-05-11
    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。 +7o1&D*v  
    ^N[ Cip}8  
    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: dq@ * 8ui  
    enableservice('AutomationServer', true) %\(-<aT  
    enableservice('AutomationServer') [qW%H,_  
    vBOY[>=  
    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 Q(cLi:)X2  
    _/z_ X  
    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: B`<}YVA  
    1. 在FRED脚本编辑界面找到参考. ;l~a|KW0  
    2. 找到Matlab Automation Server Type Library z@,(^~C_  
    3. 将名字改为MLAPP u:lBFVqk  
    $~G5s<r  
    $ZGup"z)  
    在Matlab里面有两种常用的数据发送选项PutWorkspaceData 及PutFullMatrix,PutWorkspaceData适用于存储一般的数据在工作区,并赋予其为变量,PutFullMatrix试用于复数数据。 MZ&.{SY7  
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    图 编辑/参考
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    现在将脚本代码公布如下,此脚本执行如下几个步骤: k}F7Jw#.  
    1. 创建Matlab服务器。 ]Q ]y*  
    2. 移动探测面对于前一聚焦面的位置。 p<(a);<L  
    3. 在探测面追迹光线 2I}+AW!!=  
    4. 在探测面计算照度 Z^2SG_pD  
    5. 使用PutWorkspaceData发送照度数据到Matlab Y,v9o  
    6. 使用PutFullMatrix发送标量场数据到Matlab中 E"_{S.Wc  
    7. 用Matlab画出照度数据 OblHN*  
    8. 在Matlab计算照度平均值 Jk-WD"J6  
    9. 返回数据到FRED中 ?g{[U0)  
    zN!yOlp5  
    代码分享: pP1DR'  
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    Option Explicit Iy49o!  
    Y @'do)  
    Sub Main oA[`| ji  
    yQUrHxm  
        Dim ana As T_ANALYSIS s`H|o'0  
        Dim move As T_OPERATION n]Yz<#  
        Dim Matlab As MLApp.MLApp 3))CD,|  
        Dim detNode As Long, detSurfNode As Long, anaSurfNode As Long &_-=(rK  
        Dim raysUsed As Long, nXpx As Long, nYpx As Long p?>J86%[  
        Dim irrad() As Double, imagData() As Double, reals() As Double, imags() As Double "hI"4xSg  
        Dim z As Double, xMin As Double, xMax As Double, yMin As Double, yMax As Double hBX.GFnw  
        Dim meanVal As Variant ~`&4?c3p  
     ..E_M$}  
        Set Matlab = CreateObject("Matlab.Application") 8tR6.09'  
    C_/eNu\I  
        ClearOutputWindow "lu^  
    J.:  
        'Find the node numbers for the entities being used. FS&QF@dtgf  
        detNode = FindFullName("Geometry.Screen") D((/fT)eD  
        detSurfNode  = FindFullName("Geometry.Screen.Surf 1") 1="]'!2Is  
        anaSurfNode = FindFullName("Analysis Surface(s).Analysis 1") Qc-W2%  
    KTT!P 4  
        'Load the properties of the analysis surface being used. 0@b<?Ms9  
        LoadAnalysis anaSurfNode, ana 4cSs=|m?+  
    F/lL1nTdK  
        'Move the detector custom element to the desired z position. 9C,gJp}P  
        z = 50 JS8pN5   
        GetOperation detNode,1,move [dP<A ?s  
        move.Type = "Shift" w9GY/]  
        move.val3 = z O4f9n  
        SetOperation detNode,1,move 0'r}]Mws  
        Print "New screen position, z = " &z 8aVQW_m}  
    D$)F X(  
        'Update the model and trace rays. paD[4L?4Hk  
        EnableTextPrinting (False) ~s4JGV~R  
            Update \G v\&_  
            DeleteRays 3{co.+  
            TraceCreateDraw }0E@eL  
        EnableTextPrinting (True) uc!6?+0h  
    p+b9D  
        'Calculate the irradiance for rays on the detector surface. ,?j!c*  
        raysUsed  = Irradiance( detSurfNode, -1, ana, irrad ) ~m=Z>4M  
        Print raysUsed & " rays were included in the irradiance calculation. 6zU0 8z0-  
    0K.$C~ C  
        'When using real number data to send to MATLAB, it is simplest to use PutWorkspaceData. {`2 0'  
        Matlab.PutWorkspaceData("irradiance_pwd","base",irrad) :/=P6b;  
    [7DU0Xg7  
        'PutFullMatrix is more useful when actually having complex data such as with $<Gt^3e  
        'scalar wavefield, for example. Note that the scalarfield array in MATLAB Th%w-19,8  
        'is a complex valued array. adoK-bSt  
        raysUsed = ScalarField ( detSurfNode, -1, ana, reals, imags ) ~!TrC <ft  
        Matlab.PutFullMatrix("scalarfield","base", reals, imags ) nY1PRX\  
        Print raysUsed & " rays were included in the scalar field calculation." AM!P?${a  
    iWW!'u$+I`  
        'Calculate plot characteristics from the T_ANALYSIS structure.  This information is used "N%W5[C{  
        'to customize the plot figure. AX@bM  
        xMin = ana.posX+ana.AcellX*(ana.Amin-0.5) !$iwU3~<  
        xMax = ana.posX+ana.AcellX*(ana.Amax+0.5) MJe/ \  
        yMin = ana.posY+ana.BcellY*(ana.Bmin-0.5) Dy. |bUB!f  
        yMax = ana.posY+ana.BcellY*(ana.Bmax+0.5) L67yL( d6a  
        nXpx = ana.Amax-ana.Amin+1 :+_H%4+  
        nYpx = ana.Bmax-ana.Bmin+1 -6F\=  
    :k.>H.8+~  
        'Plot the data in Matlab with some parameters calculated from the T_ANALYSIS u8A,f}D 3  
        'structure.  Set the axes labels, title, colorbar and plot view. .ejC#vB{KM  
        Matlab.Execute( "figure; surf(linspace("&xMin &","&xMax &","&nXpx &"),linspace("& yMin &"," & yMax & "," & nYpx & "),irradiance_pwd, 'EdgeColor', 'None');" ) "0G)S'  
        Matlab.Execute( "xlabel('X Position (" & GetUnits() & ")')" ) : Matlab.Execute( "ylabel('Y Position (" & GetUnits() & ")')" ) : Matlab.Execute( "zLabel( 'Irradiance' )" ) E?K(MT&@  
        Matlab.Execute( "title('Detector Irradiance')" ) U .^%7.  
        Matlab.Execute( "colorbar" ) tJ d/u QJ  
        Matlab.Execute( "view(2)" ) +BI%. A`2  
        Print "" CD?b.Cxai  
        Print "Matlab figure plotted..." !&KE">3Qu  
    PR7bu%Y*eD  
        'Have Matlab calculate and return the mean value. Tff eCaBv  
        Matlab.Execute( "irrad = mean(mean(irradiance_pwd));" ) E0r#xmk  
        Matlab.GetWorkspaceData( "irrad", "base", meanVal ) aFrZ ;_  
        Print "The mean irradiance value calculated by Matlab is: " & meanVal \3U.;}0_X  
    "$%&C%t  
        'Release resources J{uqbrJICr  
        Set Matlab = Nothing W}(xE?9&  
    W-RshZ\  
    End Sub ]a~gnz&1  
    sDHFZ:W  
    最后在Matlab画图如下: ]Ah<kq2sk  
    g ?% ]()E  
    并在工作区保存了数据: ]tK<[8Y  
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    'OYnLz`"6  
    并返回平均值: [9CBTS r  
    Y5IQhV.  
    与FRED中计算的照度图对比: a! x?Apww  
       7&|&y SCu  
    例: tN;~.\TKg  
    :(jovse\  
    此例系统数据,可按照此数据建立模型 ]CnT4[f!  
    ,}OQzK/"mP  
    系统数据 '! ;Xxe5  
    _ =O;Lz$x  
    =WFG[~8  
    光源数据: F,GG>(6c  
    Type: Laser Beam(Gaussian 00 mode) -Ze2]^#dl  
    Beam size: 5; a,*|*Cv  
    Grid size: 12; 9@p+g`o  
    Sample pts: 100; @2A&eLw LH  
    相干光; N*hx;k9  
    波长0.5876微米, [ 3SbWwg  
    距离原点沿着Z轴负方向25mm。 ?0+J"FH# W  
    6k\8ulHw  
    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: ,n{ |d33  
    enableservice('AutomationServer', true) M059"X="  
    enableservice('AutomationServer') hKK"D:?PRs  
     
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    只看该作者 1楼 发表于: 2024-10-29
    感谢楼主分享,了解了PASSI画图