bSuccess = CMeasureAngles:Add( Image_obj, xv, yv, x1, y1, x2, y2 )

    where Image_obj is a CImage object.

    xy and yv are the coordinates of the angle vertex.

    x1 and y1 are the coordinates of the endpoint of the first side.

    x2 and y2 are the coordinates of the endpoint of the second side.

    On success, bSuccess is returned as true.

A = new_measureangles()

-- create a new CMeasureAngles object

Params =

 -- AngleParams properties to change

{

  bSetColor = true,

  sColor = "0,255,0",

  bSetLineThk = true,

  nLineThk = 1.5,

  bSetCentroid = true,

-- centroid the vertex

  bCentroid = true,

-- centroid the vertex

  bSetCentroidEndpt = true,

-- centroid the endpoints of both sides

  bCentroidEndpt = true,

-- centroid the endpoints of both sides

}

A:SetParams(Params)

V = attachlist_imageview()

-- connect to an image window

Assert( V, "No image window")

 -- exit if no image window

-- grab an image from the window, V

if V:Count() > 1 then

  I = CImage:AttachFromList( V )

-- pick the image from CImageView V

  Assert( I, "No Images available")

 -- exit if no image

else

  I = V:GetImage()

-- pick the only image in the window

end

xv = 400; yv = 60

-- initial coordinates of the vertex

x1 = 300; y1 = 205

-- initial coordinates of endpoint 1

x2 = 100; y2 = 530

-- initial coordinates of endpoint 2

bSuccess = A:Add( I, xv, yv, x1, y1, x2, y2 )

-- Add the measurement to the image