地图符号视觉变量数学定义的研究

基金项目: 广西自然科学基金资助项目(0135002);广西教育厅科研基金资助项目。

详细信息

Mathematical Definition on the Visual Variables of the Cartographic Symbols

1 Institute of Mathematics and Information Science, Guangxi Teachers'College, 175 Mingxiu Road, Nanning, China, 530001;
2 School of Resource and Environment Science, Wuhan University, 129 Luoyu Road, Wuhan, China, 430079

摘要: 根据拓扑学、图论和集合论的有关定义,对形状、尺寸、方向、密度、亮度、结构、颜色和位置等8种视觉变量给出了数学定义。组合公式表明,由有限的视觉变量组成像元,再由有限的像元组成地图符号,可以获得大量的地图符号,从而说明设计与创造地图符号蕴含巨大的潜力。
- 视觉变量 /
- 图像元素 /
- 地图符号 /
- 组合
Abstract: Cartographic symbols are composed of different basic picture elements.According to the definitions in the topology and theory of set,the mathematical definitions of eight of visual varibles,which are form,size,direction,density,lightness,construction colour and place,are given in this paper.
- visual variable /
- picture element /
- cartographic symbol /
- combination