Comparison of techniques for generating digital terrain models from contour lines
作者:
ALBERTO CARRARA,
GABRIELE BITELLI,
ROBERTO CARLA,
期刊:
International Journal of Geographical Information Science
(Taylor Available online 1997)
卷期:
Volume 11,
issue 5
页码: 451-473
ISSN:1365-8816
年代: 1997
DOI:10.1080/136588197242257
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Simple but objective criteria for evaluating the quality of DTMs, derived from digital contour lines, are defined. Such criteria are then applied to terrain models, obtained by means of four different procedures, which refer to three sample areas characterized by complex morphological settings. The results of the comparison shows that each DTM is affected by one or more types of error or pitfall; however, one TIN generator and one grid interpolator proved to be capable of effectively producing terrain models which largely reflect the ground morphology as expressed by the input contour lines.
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