Description of technology of orthophotomaps creation |
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Technology of orthophotomaps creation consists of several stages: Transformation of separate photos At stage of editorial-preparatory works the presence of the data for transformation of a photo is ascertained, files of the source data prepare, creation of scanned copy of a source photo is carried out (further the source raster), a matrix of a relief is created. At stage of photo transformation the works by the identification of control points on the source photo or the source raster and works by their measurement are executed, and also properly transformation of the source raster, i.e. reception of a file of the transformed image of the source raster (further the transformed raster). At stage of orthophotomap creation the works by report of image on joints of the transformed rasters (merging of photoplans) and cutting fragments of the transformed raster by nomenclature sheets are executed. This technology is realized by two applied tasks:
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