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The main functions of the module for initializing drawing environment are to set up the scale . linetype . breadth and frame of drawings according to the characteristics of the general arrangement drawing to passenger shippings . the main functions of the second module is to establish and extend graph library , retrieve from graph library and output graph blocks . using the parameterization design method to design interactively and modify automatically graphs of the local cabin are the tasks of the third module . in the help module , the drawing specifications of passenger shipping are integrated , such as equipments of anchor and moor , arrangement of cab , cabin and baggage , measures to come through and ration of passengers , etc . there are some advantages in the proposed system , such as friend interface , operation easily , drawing conveniently and modification automatically
其中初始化繪圖環(huán)境模塊主要針對客船總布置圖繪制的特點來完成比例、線型、圖幅和圖框的設置；客船總布置圖圖庫模塊主要完成圖庫的建立和擴充、圖庫的查詢以及圖塊的輸出；局部艙室參數(shù)化設計模塊采用參數(shù)化技術完成對局部艙室圖形的自動修改以及交互設計；客船規(guī)范幫助模塊則集中了一些武漢理工大學碩士學位論文客船繪制規(guī)范，如錨泊及系泊設備、駕駛室、乘客艙室及行李的放置、脫險措施及乘客定額等規(guī)范。