说明：  ccviewer is a GUI for plotting projections of multidimensional data into the 2D plane. One can choose, which input data are set as variable and which are set as fixed values for plotting these data. Snapshots can be made by exporting these plots to new figures (with user-definable plotting styles).
(ccviewer是一个图形用户界面，用来预测二维平面的多维数据。其中输入数据设置为变量。)