Research Article
Design and Practical Application of Sports Visualization Platform Based on Tracking Algorithm
Table 6
The meaning of the primitive node type.
| Primitive node symbol | Node type | The meaning of the node | The role of nodes in the ladder diagram |
| (blank) | Empty node | No nodes here | Blank means there are no primitives here | — | Connection line | Horizontal connection line | Connect two primitive nodes horizontally | 丨 | Connection line | Vertical connection line | Vertically connect two primitive nodes | 卄 | Real node | Contacts | Input component | <) | Real node | Coil | Output-type components |
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