Picture generating method
专利汇可以提供Picture generating method专利检索，专利查询，专利分析的服务。并且PURPOSE: To make the capacity of a memory small and to shorten the processing time of calculation by executing the calculation of an intersecting point and the calculation of luminance by plural parallel processors and simultaneously storing the substance information of only the territory area of the corresponding processor among the whole substance information in the memory of each parallel processor.
CONSTITUTION: Substance definition space is constituted of divided visible spatial areas Sa to Sd obtained by projecting the divided areas 1A to 1D of a screen 1 on which a picture is generated from a visual point and the non-visible spatial area Se outside the projected area of the screen 1, and only substance information contained in the divided constitution areas Sa to Se of the number smaller than the total number of the divided constitution areas Sa to Se of the substance definition space is stored in only the memory belonging to one of plural parallel processors. Then, the parallel processor executes the calculation of the intersecting point related to the substance in the objective divided constitution areas Sa to Se to be put under its charge on the basis of the stored substance information in the memory by a ray tracing method, and in the case the intersecting point jumps out to the divided constitution area other than the objective one to be put under its charge, the parallel processor in charge of this divided constitution area succeeds to the intersection point calculation. Thus, the capacity of the memory can be made small, and the intersecting point calculation time can be shortened.
COPYRIGHT: (C)1991,JPO&Japio，下面是Picture generating method专利的具体信息内容。
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