Interpolation of Raster Heights from Digitized Contour Lines

Franz Leberl, W. Kropatsch, V. Lipp

Research output: Contribution to journalArticlepeer-review


Digital height models (DHM's) from contour lines have particular significance due to the wide availability of contour sheets for topographic maps. The automatic conversion of contour lines to a rectangular raster of height values presents specific problems since artificial morphological structures are generated in the process of interpolation. Using 15 test terrain forms, we present and evaluate an algorithm designed to minimize this problem and we find overall interpolation results to compare well with manual interpolation, with differences amounting to 5 - 10% of the contourline interval. -ITC Bibliography
Original languageEnglish
Pages (from-to)458-468
JournalArchives Internationales de Photogrammétrie
Issue numberB3
Publication statusPublished - 1980

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