The worker normally creates a map from your source image using the selected detector. The map may describe outlines, depth, pose, or other features.If you already have a prepared map, turn on Image is already a control map. Use a map appropriate for the selected control type.To inspect what the detector produces, turn on Return only the control map, no image. This returns the map without generating a finished image.The control type chooses the kind of guidance; control strength adjusts its influence.