Based on the least squares method of fitting a round through a set of known x, y coordinates can be for its center coordinates and radius!

Packet : 57578838iplab_20061006.rar filelist
IPLab_20061006\700W-3.jpg
IPLab_20061006\ChildFrm.cpp
IPLab_20061006\ChildFrm.h
IPLab_20061006\FastHitTest.cpp
IPLab_20061006\FastHitTest.h
IPLab_20061006\GDI+Files\GdiPlus.h
IPLab_20061006\GDI+Files\GdiPlus.lib
IPLab_20061006\GDI+Files\GdiPlusBase.h
IPLab_20061006\GDI+Files\GdiPlusBitmap.h
IPLab_20061006\GDI+Files\GdiPlusBrush.h
IPLab_20061006\GDI+Files\GdiPlusCachedBitmap.h
IPLab_20061006\GDI+Files\GdiPlusColor.h
IPLab_20061006\GDI+Files\GdiPlusColorMatrix.h
IPLab_20061006\GDI+Files\GdiPlusEnums.h
IPLab_20061006\GDI+Files\GdiPlusFlat.h
IPLab_20061006\GDI+Files\GdiPlusFont.h
IPLab_20061006\GDI+Files\GdiPlusFontCollection.h
IPLab_20061006\GDI+Files\GdiPlusFontFamily.h
IPLab_20061006\GDI+Files\GdiPlusGpStubs.h
IPLab_20061006\GDI+Files\GdiPlusGraphics.h
IPLab_20061006\GDI+Files\GdiPlusHeaders.h
IPLab_20061006\GDI+Files\GdiPlusimageAttributes.h
IPLab_20061006\GDI+Files\GdiPlusImageCodec.h
IPLab_20061006\GDI+Files\GdiPlusImaging.h
IPLab_20061006\GDI+Files\GdiPlusInit.h
IPLab_20061006\GDI+Files\GdiPlusLineCaps.h
IPLab_20061006\GDI+Files\GdiPlusMatrix.h
IPLab_20061006\GDI+Files\GdiPlusMem.h
IPLab_20061006\GDI+Files\GdiPlusMetaFile.h
IPLab_20061006\GDI+Files\GdiPlusMetaHeader.h
IPLab_20061006\GDI+Files\GdiPlusPath.h
IPLab_20061006\GDI+Files\GdiPlusPen.h
IPLab_20061006\GDI+Files\GdiPlusPixelFormats.h
IPLab_20061006\GDI+Files\GdiPlusRegion.h
IPLab_20061006\GDI+Files\GdiPlusStringFormat.h
IPLab_20061006\GDI+Files\GdiPlusTypes.h
IPLab_20061006\IPLab.aps
IPLab_20061006\IPLab.clw
IPLab_20061006\IPLab.cpp
IPLab_20061006\IPLab.dsp
IPLab_20061006\IPLab.dsw
IPLab_20061006\IPLab.h
IPLab_20061006\IPLab.ncb
IPLab_20061006\IPLab.opt
IPLab_20061006\IPLab.plg
IPLab_20061006\IPLab.rc
IPLab_20061006\IPLabDoc.cpp
IPLab_20061006\IPLabDoc.h
IPLab_20061006\IPLabView.cpp
IPLab_20061006\IPLabView.h
IPLab_20061006\MainFrm.cpp
IPLab_20061006\MainFrm.h
IPLab_20061006\QGdiPlus.h
IPLab_20061006\ReadMe.txt
IPLab_20061006\res\icon1.ico
IPLab_20061006\res\IPLab.ico
IPLab_20061006\res\IPLab.rc2
IPLab_20061006\res\IPLabDoc.ico
IPLab_20061006\res\r.bmp
IPLab_20061006\res\r16.bmp
IPLab_20061006\res\Toolbar.bmp
IPLab_20061006\resource.h
IPLab_20061006\StdAfx.cpp
IPLab_20061006\StdAfx.h
IPLab_20061006\ViewActionBase.cpp
IPLab_20061006\ViewActionBase.h
IPLab_20061006\ViewActionEditTool.cpp
IPLab_20061006\ViewActionEditTool.h
IPLab_20061006\ViewActionImageTool.cpp
IPLab_20061006\ViewActionImageTool.h
IPLab_20061006\最小二乘法.doc
IPLab_20061006\GDI+Files
IPLab_20061006\res
IPLab_20061006

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