AIR SURVEY AND COLONIAL CADASTRAL MAPPING |
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| Abstract: | AbstractPhotogrammetry, terrestrial and particularly aerial, with which the following will exclusively deal, is at the present time employed practically throughout the world for the preparation of maps to every scale. While at the time of the introduction of the system its use was limited to topographical maps, it has been extended in the last fifteen years to the production of cadastral maps. In spite of the conservative. attitude of the cadastral authorities of every country to all innovations, this method has been accepted more and more by such authorities. After the excellent pioneer work of Switzerland, which in the course of time is to produce cadastral maps of half the country (2,000,000 ha.) by means of photogrammetry, Germany, Holland, France, Italy, Spain, and other countries have followed this example, the method being employed in these countries in an ever-increasing degree for cadastral measurement. Although the decision for the use of the photogrammetric method for cadastral measurement has been made in some degree in Europe, the large Colonies, especially those of the British Empire, are still hesitant in this connexion. Investigations which follow hereunder have been made in order to ascertain how far this new method of measurement is useful for Colonial cadastral measurement. |
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