1. A system for identifying tie point collections used in imagery comprising: at least one image collection device for acquiring images of a selected surface region; and a processor operatively connected to the at least one image collection device for a) combining the acquired images into respective stereo images such that only the stereo overlap remains, b) overlay combining the respective stereo images, and c) color coding the overlapped image areas based on the number of overlapping images to produce a colored overlay image to 15 assist in triangulation and optimal texture selection.