ShipsDetectionTraceListCap message in JSON format
{ "ShipsDetectionTraceListCap":{ "maxSize":"", /*required, integer type, the maximum number of supported scenes*/ "ShipsDetectionTraceCap":{ "functionMode":{ /*optional, string type, supported function mode*/ "@opt":"shipFlowDetection" }, "dwelltime":{ /*optional, integer type, scene dwell time, ranges from 30s to 3600s*/ "@min":30, "@max":3600 }, "overStayingAlarmTime":{ /*optional, integer type, overstay alarm time, ranges from 60s to 3600s. The scene dwell time should be no less than overstay alarm time*/ "@min":60, "@max":3600 }, "SceneNameOverlay":{ /*optional, scene name OSD*/ "enabled":{ /*required, enable scene name OSD*/ "opt":"true,false" }, "normalizedScreenSize":{ /*normalized size*/ "normalizedScreenWidth":{ /*optional, integer type, normalized width*/ "@min":0, "@max":1 }, "normalizedScreenHeight":{ /*optional, integer type, normalized height*/ "@min":0, "@max":1 } }, "positionX":{ /*optional, integer type, original point X-coordinate*/ "@min":, "@max": }, "positionY":{ /*optional, integer type, original point Y-coordiante*/ "@min":, "@max": } } } } }