Cross rafters and joists rafters and joists in addition to cross over the vertical support must engage outside should be continuity. Both sides of the openings wider than twice the distance between the cross rafters or joists, rafters and joists so the horizontal number should be used in order to cope with the additional strength doubled. Roof truss roof truss must be limited deflection. This is particularly important for the flat-topped wooden villas Yichang, because water will cause deflection flattened, and further lead to weight increase. Some North American Building Code lists span and size residential construction as used in some of the more common wood truss member. Overall Yichang wooden villa, which forms only for a span of 12m (40 '), center spacing of 600mm (2') of the roof trusses. For larger spans and negative important special engineering analysis. The so-called architectural design is the "virtual reality" technology in urban planning, architectural design and other fields. Dimensional DreamWorks teacher introduced: In recent years, the city roaming animation at home and abroad has been more and more applications, and its unprecedented human-computer interaction, building a sense of real space, a large area of ??three-dimensional terrain simulation and other features make the Yichang wooden villa are unmatched by traditional methods. Roaming animation applications in the city, people can in a virtual three-dimensional environment, dynamically interact with the future urban construction or examine a full range of immersive: from any angle, distance and sophistication observed scene ; you can choose a variety of movement and freedom to switch modes, such as: walking, driving, flying, etc., and can freely control the browser route. Moreover, in the roaming process, you can achieve a variety of design, real-time switching multiple environmental effects comparison. Can give users a strong, vivid sensory impact, immersive experience. [1] Yichang wooden villa, wooden houses, huts Ding Yue Yue Ding wood huts provided by the Hubei Wood limited liability company. Hubei Yue Ding huts Wood limited liability company (www.hbsfmw.com) strong, credible, in Xiaogan wooden handicrafts industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Yue Ding Wood huts and you hand into the brilliant, for a better future!