IAgAntennaContour Interface for a antenna's contour properties.

Altitude	Gets or sets the altitude to veiw the contours.
ColorMethod	Color method for contours (color ramp or explicit).
Levels	Gets the collection of contour levels
LineWidth	Select the line width in which antenna 2D graphics display from the AgELineWidth enumeration.
NumLabelDecDigits	Gets or sets the integer number of decimal places to display in the contour label
RelativeToMaxGain	The contours value represents the gain value relative to the maximum.
ShowAtAltitude	Enables the ability to view the contours at a set altitude.
ShowLabels	Gets or sets the option for showing contour lables
StartColor	The color ramp start color.
StopColor	The color ramp stop color.
Type	Gets the contour type.