API Reference > imodeljs-frontend > Views > SpriteLocation > activate activate Method Activate this SpriteLocation to show a Sprite at a location in a single ScreenViewport. This call does not display the Sprite. Rather, subsequent calls to SpriteLocation.decorate from will show the Sprite. This SpriteLocation remains active until SpriteLocation.deactivate is called. activate(sprite: Sprite, viewport: ScreenViewport, locationWorld: Readonly<WritableXYAndZ>, alpha?: number): void Parameter Type Description sprite Sprite The Sprite to draw at this SpriteLocation viewport ScreenViewport The Viewport onto which the Sprite is drawn locationWorld Readonly<WritableXYAndZ> The position, in world coordinates alpha number Optional alpha for the Sprite. Must be a number between 0 (fully transparent) and 1 (fully opaque). Returns - void Defined in core/frontend/src/Sprites.ts Line 107 Last Updated: 11 June, 2024