Use a graphic as the background:

Include an empty graphic:

Use any expression as the background:

Specify a range of coordinates for locators:

Specify both a range and jump size for locators:

Use any expression as the appearance for locators:

Use multiple locators:

Use a dynamic setting:

Connect the dynamic setting to a Slider2D:

Use any expression as the appearance for locators in LocatorPane:

Multiple locators with different appearances:

Use Appearance->None for invisible locators:

Use an invisible locator to implement a constrained movement:

By default, the locator does not change until you click in the locator pane:

By setting AutoAction, the locator changes as the mouse moves over the locator pane:

Change the background colors:

Change the background color dynamically:

By default, variables are continuously updated:

Setting ContinuousAction to False makes variable updates only when the locator is released:

By default, LocatorPane is enabled:

By setting Enabled->False, the locator is disabled but visible in its current state:

By default, each click in the locator pane will move the nearest locator:

By setting LocatorAutoCreate->True, you can use Alt+Click to create or remove locators:

By setting LocatorAutoCreate->All, create a locator on each click (Alt+Click to remove):

Make an interactive plot that runs through all locators: