ChimeraX docs icon

Tool: Marker Placement

Marker Placement sets parameters for markers and links created with the mouse, as specified with Markers icons or the mousemode command. See also: Volume Viewer, measure length, vseries, color, size

Marker Placement can be started from the Volume Data section of the Tools menu or by clicking any of the Markers icons:

Like other tools, it can also be started with the command toolshed show and moved, resized, etc.


Pressing enter (return) after entering a new radius value is required for it to take effect. A change in color or radius applies to any currently selected markers and links, as well as those which are subsequently created.

UCSF Resource for Biocomputing, Visualization, and Informatics / July 2019