OpenTunnel Designer Help OpenTunnel Designer Workflows Drawing Workflow Attach TabReferences, Raster Images, Point Clouds, and Reality MeshRaster Manager Tools Bring to Front To Bring a Raster Image to the Front of the Display To Bring a Raster Image to the Front of the Display Select the Bring to Front tool ( Drawing > Attach > Raster ). Set Action to To Front. Select the raster image. The selected raster image displays in front of all others.