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1、GetDataGraphDigitizer用法窗体顶端窗体底端GetDataGraphDigitizer2.22QuickStartStep1Step2Openimagefile(File=>OpenImage).SetthescalebysettingfourpointsXmin,Xmax,YminandYmax,andbyassigninglogicalcoordinatestothesepoints("Xminvalue",etc.).TosetthescaleuseOperations=>Setthescalemenuorcontextmenu(rightm
2、ousebutton).PicturebelowillustrateshowXmin,Xmax,etc.,canbesetinthecaseofsamplegraph.XminandXmaxareassignedvalues20and80respectively,YminandYmaxareassignedvalues1e+14and1e+15.ThescaleislogarithmicalongYaxis,thiscanbesetin"Adjustscale"windowunderOperations=>Adjustscalemenu.Step3Digitizeg
3、raph.Automaticallydigitize,usingoneofthetwomethods.1)Operations=>Autotracelines.Choosestartingpointbyclickingleftmousebutton,orrightmousebuttontoadditionallychoosedirectionforlinetracing.Thesamecanbedonethroughcontextmenu("Autotracelines"item).2)Operations=>Digitizearea.Firstyouwillbea
4、skedtosetgridtype,distancebetweengridlines,andotheroptions.Thenchoosetheareatodigitizebyholdingleftmousebuttonanddraggingthegrid(incaseofrectangulargridholddownShifttorotatethegrid).YoucanmovethegridbyholdingdownCtrl.Manuallydigitize,usingpointcapturemode(Operations=>Pointcapturemode).
5、Inthismodedatapointscanbealsomoved;tomoveapointfirstselectitwithrightmousebutton,andthensetitatanewlocationbyleftbutton.DatapointscanbealsosetbydoubleclickingleftmousebuttoninMagnifierwindow,orShift+clickinginmainwindoworinMagnifierwindow.Toremovepointsitisconvenienttouseerasertool(Ope
6、rations=>Datapointseraser).Step4Copyobtaineddatatotheclipboard(File=>CopydatatobufferorCtrl+Alt+C)orexporttooneofthefollowingformats:TXT,XLS,XML,DXForEPS(File=>Exportdata).DatacanalsobecopiedtobufferdirectlyfromInformationwindow(Ctrl+CorCtrl+INS).Settingsforexporttothebufferandforexpor
7、ttothetextfilecanbechangedinthe"Options"windowunderSettings=>Optionsmenu.GetData图数字化仪2.22快速启动步骤1步骤2打开图像文件（文件=>打开图像）。通过设置四个点Xmin，Xmax，Ymin和Ymax，并分配到这些点（"Xmin价值"等）的逻辑坐标设置规模。若要设置规模使用操作=>设置缩放菜单或上下文菜单（鼠标右键）。下面的图片说明了如何Xmin、Xmax等，都可以设置在示例图。Xmin和Xmax分别分配值20和80、Ymin和Ymax分配值1e+14和1e+15。规模是沿Y轴对
