分类,编码,颜色R,颜色G,颜色B,是否显示（0-不显示,1显示）
创建点-未分类,0,0,0,255,1
未分类点,1,0,255,0,1
地面点,2,0,255,255,1
低矮植被点,3,255,0,0,1
中等植被点,4,255,0,255,1
高植被点,5,255,255,0,1
建筑物点,6,255,255,255,1
低点,7,0,0,125,1
模型关键点,8,0,125,0,1
水体,9,125,0,0,1
Reserved10,10,255,255,0,1
Reserved11,11,255,255,0,1
重叠点,12,125,125,125,1
Reserved12,12,255,255,0,1
Reserved13,13,255,255,0,1
Reserved14,14,255,255,0,1
Reserved15,15,255,255,0,1
Reserved16,16,255,255,0,1
Reserved17,17,255,255,0,1
Reserved18,18,255,255,0,1
Reserved19,19,255,255,0,1
Reserved20,20,255,255,0,1
Reserved21,21,255,255,0,1
Reserved22,22,255,255,0,1
Reserved23,23,255,255,0,1
Reserved24,24,255,255,0,1
Reserved25,25,255,255,0,1
Reserved26,26,255,255,0,1
Reserved27,27,255,255,0,1
Reserved28,28,255,255,0,1
Reserved29,29,255,255,0,1
Reserved30,30,255,255,0,1
Reserved31,31,255,255,0,1