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The construction for thematic map symbol is a very complex and intelligent process. This symbol can be automatically generated and easily shared on the web through the syntactic characteristics of statistical indicators and cartography visualization. This paper expounds the symbol types, inner structure and its design pattern. And a syntactic construction theory based on phoneme (thematic map primitive)...
In this paper, we present a new error metric descriptor based on the QEM algorithm to simplify the geometry model with texture. The descriptor takes weight of curvature of the vertex as one of the influential factor. Also, the descriptor takes into account the visual importance of each edge which is attached to the model through edge detection algorithm of image processing. In this way, the simplification...
Color plays an important role in product design, and color harmonic is of consequence in color design all along. With the development for more than one century, the theory of color design had been consummated gradually. It had been a question much concerned by designers of finding an effective method to accord with design study characteristic in numerous theories of color harmonic. The article explained...
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