| 摘要 |
A threat circle (TC) is presented on a screen for the objects (Fiobj,Seobj). All possible events between the objects are represented in relation with threat circle. - Threats are marked with symbols placed in relation to the circle in radial direction from the circle center to object (Seobj). The threat exist only in the area inside the circle and the threat symbol's radial distance to the circle constitutes a measure that indicates the closeness of the threat. |
