CREATE OF THE DATA SET BY UNIX The data set is created automatically using a UNIX shell command. The command readout data from the geometrical corrected 4350 x 6800 pixel image of TM, topographical maps and vegetation maps. All of the images are converted to JPEG format,all of the texts are written by HTML format. All of the Layer2 images are drawn grid line. Then make a 100 subdirectories to save of Layer3 data. Each of the Layer3 subdirectory includes 16 images, 13 CSV data, and some text files. All of a Layer2 data set will creates less than 25 minutes using the HP 9000/C240.