It follows the fundamental principles of microkernels in that it implements address Spaces, thread management, and IPC only in the privileged microkernel along with virtualization capabilities.

To implement topographic map digitalization by means of MAPGIS is one of main means of getting spatial geographic information data, and that digitalization could bring out diversified sorts of errors.

Digital map images which can obtained by scanning maps offer a favourable condition for intelligent and automatic map information acquisition.