1. Professor Dr., Dept. of Geodesy and Photogrammetry Engineering, Yildiz Technical Univ., 34210 Davutpasa, Istanbul, Turkey (corresponding author).
2. Research Assistant, Dept. of Geodesy and Photogrammetry Engineering, Yildiz Technical Univ., 34210 Davutpasa, Istanbul, Turkey.
3. Dr., Uskudar American High School, 34664 Uskudar, Istanbul, Turkey.