期刊名称：ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
印刷版ISSN：2194-9042
电子版ISSN：2194-9050
出版年度：1980
卷号：XXIII Part B5
页码：769-780
出版社：Copernicus Publications
摘要：Specialists in monument preservation, picture restorers, and architectsoften need photographic layouts of cupolas . This task can be solvedby applying digitally controlled orthophoto devices (such as theAvioplan OR 1), and the corresponding computer programs .First, the cupola should be approximated by some mathematically definedsurface . As such, a general ellipsoid is appropriate . Rotationalellipsoid and sphere are treated as special of this general solution .The parameters of the ellipsoid are determined via adjustment computations,applying some control points given in the three dimension space .As the surface of an ellipsoid cannot be flattenned, laying it out ina plane cannot be performed without distortions . There occur very smalldistortions when projecting the ellipsoid onto a polyhedron . In this,the projecting rays are kept perpendicular to the surface of the ellipsoid .
