I understand the line vector, but can someone please explain what the surface and edge vector parameters are for? I would expect to see one or the other but not both. I don't know what each one is for...
For a line feature: The IJK Surface boxes help define the edge for the auto line hits. Specifically, it defines the surface perpendicular to the surface on which the hits for the line are taken. In other words, it is always perpendicular to the edge vector. See "Example of Auto Line Vectors".
The IJK Edge boxes define the approach direction (vector) for the edge hit or for the points of an auto line. This is a user supplied I, J, K measured vector. The I, J, K should always point away from the edge and be perpendicular to the edge that is being measured.
The Line boxes display the vector of the line on which the angle point or line lies. This is a user supplied I, J, K normal vector.
For a line feature: The IJK Surface boxes help define the edge for the auto line hits. Specifically, it defines the surface perpendicular to the surface on which the hits for the line are taken. In other words, it is always perpendicular to the edge vector. See "Example of Auto Line Vectors".
The IJK Edge boxes define the approach direction (vector) for the edge hit or for the points of an auto line. This is a user supplied I, J, K measured vector. The I, J, K should always point away from the edge and be perpendicular to the edge that is being measured.
The Line boxes display the vector of the line on which the angle point or line lies. This is a user supplied I, J, K normal vector.
