IsLonAxis(axis)IsLonAxisaxis - Is the specified celestial axis a longitude axis?

Description:
This is a read-only boolean attribute that indicates the nature of the specified axis. The attribute has a non-zero value if the specified axis is a celestial longitude axis (Right Ascension, Galactic longitude, etc), and is zero otherwise.
Type:
Integer (boolean), read-only.
Class Applicability:
SkyFrameSkyFrame
All SkyFrames have this attribute.
Notes:
  • When specifying this attribute by name, it should be subscripted with the number of the SkyFrame axis to be tested.