[Insight-developers] Use the example of RegionGrowingSegmentation to call FltkImageViewer

[Yonggang]

Hi:
  I'm compiling a program.The function is:load a group of 3D images and show them on screen,and then extract the coordinates (x,y,z)--that clicked by mouse,last,save the coordinates to some arrays or a file(.txt).
  I want to use the example RegionGrowingSegmentation included in the InsightApplications-1.6.0,then to call the FltkImageViewer class included in the InsightApplications-1.6.0\Auxiliary.
  I think:the RegionGrowingSegmentation have called the FltkImageViewer to show the images and extract the coordinates (x,y,z),and then I only to modify the FltkImageViewer\fltkImageViewer.txx to extract the coordinates (x,y,z) and save to an array.
  My problem is : what should I do? the above or others methods?How should I show a group of 3D images,and then extract the coordinates (x,y,z)--that clicked by mouse.
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