Contouring gravity anomaly maps by digital plotter
作者:
W. I. Reilly,
期刊:
New Zealand Journal of Geology and Geophysics
(Taylor Available online 1969)
卷期:
Volume 12,
issue 4
页码: 628-632
ISSN:0028-8306
年代: 1969
DOI:10.1080/00288306.1969.10431101
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Contouring gravity anomalies by digital plotter given values at points on a square grid is achieved by two-way polynomial interpolation so that the interpolated values fit exactly at the grid points. Contours are drawn for one grid square at a time using the 2n× 2narray of grid values surrounding the square. The method of polynomial interpolation is designed to ensure continuity in the gradients of the contours across the boundaries of each square.
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