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Function PI() As Double
PI = 4 * Atn(1)
End Function
Function RadDeg(x As Double) As Double
'-------------------------------------------------------------------
' Pretvara radiane u stepene
'-------------------------------------------------------------------
RadDeg = x / PI() * 180
End Function
Function Azimut(X1 As Single, Y1 As Single, X2 As Single, Y2 As Single) As Single
Dim Dx As Single
Dim DY As Single
Dim Ugao As Double
Dx = X1 - X2
DY = Y1 - Y2
Ugao = Atn(Abs(DY) / Abs(Dx))
If Dx < 0 Then
If DY < 0 Then
Ugao = Abs(Ugao) + PI
Else
Ugao = PI - Abs(Ugao)
End If
Else
If DY < 0