基于大量数据二维图绘制程序。本例是对利用荧光光谱仪测得的茶叶数据进行二维图的绘制以便提取数据特征点。-Based on large amounts of data two-dimensional diagram drawing program. In this case tea data measured using the fluorescence spectrometer two-dimensional map of the draw in order to extract the data of feature points.