1. A body tissue imaging system, comprising: a local imaging device having an imaging pattern for use in generating a local image of the body tissue; a global representation device configured for generating a global representation of the body tissue; a graphical image pattern generator configured for generating a graphical representation of the imaging pattern; and a composite image generator in communication with the global representation device and the image pattern generator, and configured for generating a composite image comprising the global representation and the graphical representation of the imaging pattern.