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专利名称：Map symbol drawing device发明人：Yoshihiro Tomaru申请号：US13824022申请日：20101109公开号：US094727B2公开日：20150331
专利附图：
摘要：A symbol cache checking part for checking to see whether or not an image of asymbol of the same type as a symbol to be drawn is written in a texture. When thesymbol cache checking part determines that an image of a symbol of the same type asthe symbol to be drawn is written in a texture, a texture coordinate setting part sets the
write position of the above-mentioned symbol in the texture to the vertices of a 3Dpolygon generated by a polygon generating part as texture coordinates, and a polygondrawing unit draws this 3D polygon.
申请人：Yoshihiro Tomaru
地址：Tokyo JP
国籍：JP
代理机构：Oblon, McClelland, Maier & Neustadt, L.L.P.
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