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Table 1 A Classification for CLGTS symbols

From: Visualizing the cultural landscape gene of traditional settlements in China: a semiotic perspective

Symbol class Description Note
Graphic symbols Using the graphic symbols composed of the basic elements to express the special meanings of CLGTS Simple symbol
Picture symbols Directly defining the pictures/images as the symbols to express some special meanings of CLGTS Simple symbol
Texts symbols Directly using text to describe the meanings of CLGTS Textual symbol
Spatial comprehensive layout symbols Combining the mapping functions of GIS software to intuitively express the meanings of the layout symbols of CLGTS Compound symbol