added constants to represent gt labels in colors in the point cloud

include/structs_definitions.h

@@ -73,8 +73,28 @@ const int TRUNK = 71;
 const int POLE = 80;
 const int TRAFFIC_SIGN = 81;
 
-// Key obstacles like cars, pedestrians and so on are the rest of the classes so we will not explicitly write them here
+// KITTI Classes rgb codes:
+const uint8_t R_CLASS_ROAD = 0;
+const uint8_t G_CLASS_ROAD = 0;
+const uint8_t B_CLASS_ROAD = 255;
+
+const uint8_t R_CLASS_SIDEWALK = 127;
+const uint8_t G_CLASS_SIDEWALK = 127;
+const uint8_t B_CLASS_SIDEWALK = 127;
+
+const uint8_t R_CLASS_TERRAIN = 127;
+const uint8_t G_CLASS_TERRAIN = 127;
+const uint8_t B_CLASS_TERRAIN = 0;
 
+const uint8_t R_CLASS_VEGETATION = 0;
+const uint8_t G_CLASS_VEGETATION = 255;
+const uint8_t B_CLASS_VEGETATION = 0;
+
+const uint8_t R_CLASS_KITTI_OBSTACLE = 0;
+const uint8_t G_CLASS_KITTI_OBSTACLE = 255;
+const uint8_t B_CLASS_KITTI_OBSTACLE = 255;
+
+// Key obstacles like cars, pedestrians and so on are the rest of the classes so we will not explicitly write them here
 
 //Custom labels not present in Kitti semantic
 const int CLASS_GROUND = 46;