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    • 62. 发明授权
    • Apparatus and method for displaying three-dimensional polygons
    • 用于显示三维多边形的装置和方法
    • US06456286B1
    • 2002-09-24
    • US09443140
    • 1999-11-19
    • Masatoshi AraiRyosuke Miyata
    • Masatoshi AraiRyosuke Miyata
    • G06T1530
    • G06T15/00
    • A polygon rendering capability detecting part detects the rendering capability of the equipment used so as to calculate the total number of polygons Nap that can be allocated in one frame. A visual quality determining part determines an average area Sp represented by one polygon on a display screen as visual quality, and an optimum polygon number calculating part calculates the optimum number of polygons Np that can be allocated based on the size of a three-dimensional character projected on the display screen while maintaining the visual quality Sp constant. A polygon number adjusting part lowers the progressive polygon level of the three-dimensional character so that the number of polygons of the three-dimensional character is not less than the calculated optimum number of polygons and is the smallest number of polygons to which the number of polygons can be reduced. When the three-dimensional character moves and the Z value is changed, Np is updated so that Sp becomes constant.
    • 多边形呈现​​能力检测部分检测所使用的设备的渲染能力,以便计算可以在一帧中分配的多边形Nap的总数。 视觉质量确定部件将由显示屏幕上的一个多边形表示的平均面积Sp确定为视觉质量,并且最佳多边形数量计算部分基于三维字符的大小来计算可以分配的最佳数量的多边形Np 投影在显示屏上,同时保持视觉质量Sp恒定。 多边形数量调整部降低三维字符的渐进多边形等级,使得三维字符的多边形的数量不小于所计算的最佳多边形数,并且是多边形的最小数目 可以减少多边形。 当三维字符移动并且Z值改变时,Np被更新,使得Sp变得恒定。
    • 64. 发明授权
    • Apparatus and method for generating progressive polygon data, and apparatus and method for generating three-dimensional real-time graphics using the same
    • 用于生成渐进多边形数据的装置和方法,以及使用其生成三维实时图形的装置和方法
    • US06307554B1
    • 2001-10-23
    • US09071830
    • 1998-05-04
    • Masatoshi AraiRyosuke MiyataKoichi Murakami
    • Masatoshi AraiRyosuke MiyataKoichi Murakami
    • G06T1720
    • G06T17/20
    • The present invention provides a 3D real-time graphics generator for generating progressive polygon data for rendering 3D graphics that can reduce the amount of data processing by a computer and a storage area for polygon data, facilitates editing of an object by using the progressive polygon data so as to reduce the amount of work of an animator. The progressive polygon data includes information about vertices of a basic polyhedron approximate to a shape of a 3D object and information about detailed vertices of a polyhedron in a level of approximation to the object that is higher than the basic polyhedron, which are determined progressively based on the level of approximation. In the generation of 3D real-time graphics, detailed vertices are sequentially merged into the vertices of the basic polyhedron so as to produce 3D polygon data.
    • 本发明提供了一种用于生成用于渲染3D图形的渐进多边形数据的3D实时图形生成器,其可以减少计算机的数据处理量和用于多边形数据的存储区域,便于使用渐进多边形数据编辑对象 以减少动画师的工作量。 渐进多边形数据包括关于近似于3D对象的形状的基本多面体的顶点的信息,以及关于高于基本多面体的对象的近似度的多面体的详细顶点的信息,其基于 近似水平。 在生成3D实时图形时,将详细的顶点依次合并到基本多面体的顶点,以便产生3D多边形数据。
    • 68. 发明授权
    • Fluorine-containing amide compound
    • 含氟酰胺化合物
    • US6060618A
    • 2000-05-09
    • US356027
    • 1999-07-16
    • Kouichi YamaguchiYasushi YamamotoMasatoshi Arai
    • Kouichi YamaguchiYasushi YamamotoMasatoshi Arai
    • C07F7/12C07F7/08C08K5/54C07F7/10
    • C07F7/0896C07F7/0818
    • Disclosed is a novel compound which is a perfluoroalkylene dianilide compound represented by the general formula ##STR1## in which Rf is a perfluoroalkylene group optionally interruptrd by oxygen atoms to form an ether linkage and R and R.sup.1 are each a hydrogen atom or a monovalent hydrocarbon group. When this compound has two or more hydrogen atoms directly bonded to the silicon atoms in a molecule, the compound is useful as a crosslinking agent for an organosilicon compound having two or more silicon-bonded vinyl groups in a molecule. Alternatively, the compound having two or more silicon-bonded vinyl groups in a molecule is useful as a crosslinking agent for an organosilicon compound having two or more silicon-bonded hydrogen atoms in a molecule. The dianilide compound is prepared by the coupling reaction between a perfluoroalkylene dicarboxylic acid difluoride and an N-trimethylsilyl-N-(3,5-disilylphenyl) amine compound.
    • 公开了一种新型化合物,它是由通式表示的全氟亚烷基二酰苯胺化合物,其中Rf是任选被氧原子中断以形成醚键的全氟亚烷基,R和R 1各自为氢原子或一价烃基。 当该化合物在分子中具有直接键合到硅原子上的两个或更多个氢原子时,该化合物可用作分子中具有两个或更多个硅键合的乙烯基的有机硅化合物的交联剂。 或者,分子中具有两个以上与硅键合的乙烯基的化合物可用作分子中具有两个以上与硅键合的氢原子的有机硅化合物的交联剂。 二酰苯胺化合物通过全氟亚烷基二羧酸二氟化物和N-三甲基甲硅烷基-N-(3,5-二甲苯基)胺化合物的偶联反应制备。