关键词: 农残检测数据, 信息可视化, 数据分析, 倾向性分析, 极坐标布局

Abstract: To analyze the propensity of pesticide residues detected data in the field of food safety, a fast visualization and analysis method based on polar coordinates layout is proposed. The method calculates the detection frequency for each pesticide. The pesticide circles are obtained according to statistical results. The position and properties are calculated based on the polar coordinates. The statistical results of agricultural products are mapped into agricultural products shapes. The agricultural products shapes are arranged to emphasize the propensity of its containing pesticide residue based on the polar coordinates. The overlaping problem of agricultural products shapes is reduced by means of shape shifting, fisheye interaction, multi-scale filtering, semi-transparenting and tips labeling. It is denoted by the experimental results and food safety experts that the method can highlight simply and intuitively the propensity of detected pesticides for various agricultural products. The additional attributes can display synchronously in the final visualization results.

Key words: pesticide residue detection data; , information visualization; , data analysis; , orientation analysis; , polar coordinates layout