Method and system for automatically generating three-dimensional entity model by AutoCAD two-dimensional house type

The invention discloses a method and a system for automatically generating a three-dimensional entity model by an AutoCAD two-dimensional house type. The method comprises the following steps: S1, converting a CAD format file into a two-dimensional primitive; S2, according to the two-dimensional primitive, generating a closed wall foundation surface and a door and window primitive; S3, generating athree-dimensional wall body from the wall body basic plane, and forming a hole in the three-dimensional wall body; S4, generating three-dimensional doors and windows through the door and window primitives; and S5, running the step S1, the step S2, the step S3 and the step S4 in an automatic script. The method has the advantages that the two-dimensional house type does not need to be described again, and the wall is automatically generated. Holes are automatically formed in the wall body, doors and windows are automatically placed, and manual intervention is not needed in the process, and theprogram can be automatical