The concept Virtual Forest(VF) is brought up in this paper, whose four basic properties is: the accuracy about the simulated forest, the visual expression of all forest information, to large area, containing the whole...The concept Virtual Forest(VF) is brought up in this paper, whose four basic properties is: the accuracy about the simulated forest, the visual expression of all forest information, to large area, containing the whole information of forest may. The VF of Shangganling Forestry Bureau is very well completed with the surport of Shangganling Forestry Bureau and Forestry Inventory and Planning Institute in Heilongjiang Province, which is the combination of advanced imagine process and GIS, on which the forest characteristics of Shangganling Forestry Bureau is analyzed.展开更多
虚拟森林场景的三维可视化是林业信息化的一项关键技术。由于大规模森林场景的计算量较大,多数研究方法或软件倾向采用简化的树木模型,用户体验不够友好,真实感较差。采用生物特征约束下的层次化参数建模方法,能很好地保证单木模型数据...虚拟森林场景的三维可视化是林业信息化的一项关键技术。由于大规模森林场景的计算量较大,多数研究方法或软件倾向采用简化的树木模型,用户体验不够友好,真实感较差。采用生物特征约束下的层次化参数建模方法,能很好地保证单木模型数据的真实性和建模速度。基于不同细节层次的单木模型建立了模型库,为森林的绘制和渲染提供便利,在强大的Speed Tree SDK的支持下,能够达到渲染的速度与精度的有效平衡。展开更多
文摘The concept Virtual Forest(VF) is brought up in this paper, whose four basic properties is: the accuracy about the simulated forest, the visual expression of all forest information, to large area, containing the whole information of forest may. The VF of Shangganling Forestry Bureau is very well completed with the surport of Shangganling Forestry Bureau and Forestry Inventory and Planning Institute in Heilongjiang Province, which is the combination of advanced imagine process and GIS, on which the forest characteristics of Shangganling Forestry Bureau is analyzed.
文摘虚拟森林场景的三维可视化是林业信息化的一项关键技术。由于大规模森林场景的计算量较大,多数研究方法或软件倾向采用简化的树木模型,用户体验不够友好,真实感较差。采用生物特征约束下的层次化参数建模方法,能很好地保证单木模型数据的真实性和建模速度。基于不同细节层次的单木模型建立了模型库,为森林的绘制和渲染提供便利,在强大的Speed Tree SDK的支持下,能够达到渲染的速度与精度的有效平衡。