12 pages matching direction angles in this book
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Aerial Photogrammetry aerial photograph algebraic signs apparent horizon approximate values azimuth oc camera center photograph chapter computation control points direction angles direction cosines equations exposure station expressions formulas ground points images l)th method metrogon nadir point nates oc v0 orientation elements photogram photogrammetric photographic space coordinate principal plane proper quadrant referred space coordinate axes space orientation strip survey space coordinate sw cos tw th photograph tilt and swing tr cos oc tri-metrogon photographs triangulation tw sin oc unknown quantities wing photograph X—XA X—XB X—XC xc/Lc cos ncL y-axis Y—YA Y—YB Y—YC Z—ZA Z—ZB Z—ZC