Manual assembly method of virtual three-dimensional model based on VRML-JAVA

Abstract

The invention relates to a manual assembling method of a virtual three-dimensional model based on VRML-JAVA, comprising the following steps: (1) establishing a part 3D model and a rendering model thereof; (2) defining a VRML assembling model; (3) determining an assembling group, parts contained in the assembling group, and the number of the parts; (4) determining a part assembling sequence; (5) selecting the parts with a correct assembling sequence; (6) dynamically transferring part nodes; (7) determining a manual movement interference range of the parts; (8) manually moving the parts along a three-dimensional direction in a VRML scene; (9) monitoring the current position state of the parts; (10) determining if assembling positions of the parts are correct; and (11) completing all part assembly. The invention can overcome the dependence on object sample pieces and effectively enhance the assembly design benefit of the parts, has functions of assembling the parts with off-site cooperated with manual operation, detecting collision interference, prompting correct assembly information and enhancing the appearance reality sense of the parts and can randomly manually move the parts to assemble or disassemble by observing from any position along a triaxial direction.

Description

technical field [0001] The invention relates to part model assembly, in particular to a virtual three-dimensional model manual assembly method based on VRML-JAVA. Background technique [0002] It is one of the important links of engineering design to perform manual virtual assembly of parts models with enhanced sense of reality in the network environment, and provide designers with interactive 3D virtual scenes to observe and manipulate any parts from any direction. However, in the existing virtual assembly process based on the network environment, the designer only detects the collision and interference of the parts, and generates the animation demonstration of the parts assembly according to the assembly sequence of the parts, and the human-computer interaction function is not strong. Some virtual part assembly models cannot reach the shape of the real model, and the sense of reality is not strong, which cannot make the designer feel in the virtual assembly environment; R...

AI Technical Summary

Problems solved by technology

However, in the existing virtual assembly process based on the network environment, the designer only performs collision and interference detection on the parts, and generates an animation demonstration of the parts assembly according to the assembly sequence of the parts, and the human-computer interaction function is not strong.

Some virtual part assembly models cannot reach the shape of the real model, and the sense of reality is not strong, which cannot make the designer feel in the virtual assembly environment; Realize the function of direct manual movement in the virtual scene; some virtual part models have the function of manual movement, but cannot realize the manual movement in the three-dimensional direction, and cannot prompt the correct position of the part assembly

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