关键词: 农业气象情报, 多边形法, 等值线, 色斑图

Abstract: Aiming at the contents and character of the agro-meteorological information system and meeting to the need of the development of agriculture meteorological service, an agro-meteorological informational system has been built based on Windows system for Liaoning province.The polygonal method and modulization design are employed to draw the isoline and choroplethic map.The design principle and guidable mind, running conditions and structure, key technology and function, and so on,are discussed in this paper.

Key words: Agro-meteorological information, Agro-meteorological information, Polygonal method, Isoline, Choroplethic map