{"name":"setMarkerAlpha","operator":null,"title":"setMarkerAlpha","type":"command","url":"https://community.bistudio.com/wiki/setMarkerAlpha","revid":370054,"updated":"2024-10-29T12:41:35Z","groups":["Markers"],"status":"ok","replaced_by":[],"games":[{"game":"arma2","name":"Arma 2","version":"1.00"},{"game":"arma2oa","name":"Arma 2: Operation Arrowhead","version":"1.50"},{"game":"tkoh","name":"Take On Helicopters","version":"1.00"},{"game":"arma3","name":"Arma 3","version":"0.50"}],"since":{"game":"arma2","name":"Arma 2","version":"1.00"},"arma3_since":"0.50","branch":null,"locality":{"argument":null,"effect":"global","server_exec":false},"exec":null,"description":"Sets the marker alpha. This is a modifier to the existing markerColor and will be applied on top of the marker color alpha. The marker is modified on all computers in a network session.\n\nWhen alpha equals `1`, the marker is visible, but if alpha equals `0`, then the marker is invisible.\n\nAlpha can be numbers and fractions.\n\n> [!NOTE]\n> **Multiplayer optimisation:** Global marker commands always broadcast the *entire* marker state over the network.\n> As such, the number of network messages exchanged when creating or editing a marker can be reduced by performing all but the last operation using local marker commands, then using a global marker command for the last change (and subsequent global broadcast of all changes applied to the marker).","syntaxes":[{"syntax":"marker setMarkerAlpha alpha","since":null,"effect":null,"exec":null,"params":[{"name":"marker","type":"String","optional":false,"default":null,"description":null,"types":["String"],"since":null,"text":"marker: String"},{"name":"alpha","type":"Number","optional":false,"default":null,"description":null,"types":["Number"],"since":null,"text":"alpha: Number"}],"returns":{"type":"Nothing","types":["Nothing"],"description":null,"text":"Nothing"},"form":"binary","operator":null,"left":{"text":"marker","types":["String"]},"right":{"text":"alpha","types":["Number"]}}],"examples":[{"text":"```sqf\n\"my_marker\" setMarkerAlpha 0.5;\n```","code":["\"my_marker\" setMarkerAlpha 0.5;"]},{"text":"```sqf\n\"enemy_convoy_marker\" setMarkerAlpha 0;\n```","code":["\"enemy_convoy_marker\" setMarkerAlpha 0;"]}],"multiplayer":null,"problems":null,"aliases":[],"see_also":["setMarkerAlphaLocal","setMarkerBrush","setMarkerColor","setMarkerDir","setMarkerPos","setMarkerShape","setMarkerSize","setMarkerText","setMarkerType","createMarker"],"notes":[],"categories":["Arma 2: New Scripting Commands","Arma 2: Operation Arrowhead: Scripting Commands","Arma 2: Scripting Commands","Arma 3: Scripting Commands","Command Group: Markers","Introduced with Arma 2 version 1.00","Scripting Commands","Scripting Commands: Global Effect","Take On Helicopters: Scripting Commands"]}