1. An optical-projection system comprising: a data system capable of providing information indicative of a flaw within at least one of a metallic or composite workpiece, wherein the information comprises a location of the flaw and is based on data acquired by at least one sensor; an image-projecting device configured to receive the information indicative of the flaw from the data system; and a plurality of encoders for determining at least one of a location or orientation of the image-projecting device, wherein the image-projecting device is configured to project an image indicative of the flaw onto the workpiece based on the information indicative of the flaw and at least one of the location or orientation of the image-projecting device.