In this paper,the design of the lessons learned in practice,the proposed study of the effect of map rendering,from the understanding can be divided into the "performance factor" and "fast performance";further exaggerated and elaborated on each of awareness in the minds of designers need to grasp what better to deal with the content.

This thesis, based on teaching and research experience, summerises va rious skills for effective picture drawing by a computer,including skills for how the DXF file is generated and how its colouring is prepared.