According to the requirements of spatial information visualization and location-based services of mobile subscribers, this paper presents a framework of 3D scene walkthrough system based on JSR-184 standard, designs and realizes the prototype, which includes scene model design, scene-tree construction, lights and cameras arrangement and user interaction.

Implementation of virtual scene roaming based on VRML;

Virtual scene walkthrough technology and implementation of system;

3D scene walkthrough means users can interact with real or virtual 3D scene environment which is indicated on the screen by some equipment.

On walkthrough system of residential zone and its realization;

Design and implementation of walkthrough system based on Virtools;

Through the roaming system the user can go to every corner of the school.

Quanjing roaming system is the recent emergence of the Internet on a new interactive virtual scenes express way, which way panorama reproduce three-dimensional scene can be used to realize the corresponding browser roaming virtual scene with a very good exchange and realistic.