Shoho Castle Maps are maps of castle towns throughout Japan drawn by Kano School painters on the order of the shogun in 1644. The Shoho Castle Map of Takada, Joetsu City, Niigata Prefecture was used to visualize local distortions in historical maps and to scrutinize the mapmaking process. A novel method, geographically weighted bidimensional regression, was developed and applied to visualize the local distortions of the map. Exaggerated expressions by mapmakers that have not been identified in previous studies were revealed. That is, in addition to the castle being drawn enlarged, the town where the merchants and artisans lived was drawn larger than the castle. Therefore, the Takada Shoho Castle Map reflects mapmakers’ intentions, besides enlarging military facilities, which appear to have emphasized the pictorial composition of the map by placing the main gate to the castle at the center and drawing the map area evenly from the center in a well-balanced layout.

中文翻译：

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从历史地图中的局部变形中读取地图制作过程：日本城堡地图的地理加权二维回归分析

翔峰城地图是嘉纳派画家按照将军的命令于 1644 年绘制的日本各地城下町的地图。新泻县上越市高田市的翔峰城地图用于可视化历史地图中的局部扭曲并检查地图制作过程。开发并应用了一种新颖的方法，即地理加权二维回归来可视化地图的局部扭曲。以前的研究中未曾发现的地图绘制者的夸张表达被揭示出来。也就是说，除了城堡被放大之外，商人和工匠居住的城镇也被画得比城堡还要大。因此，高田翔凤城地图除了扩大军事设施外，还体现了地图制作者的意图，将城堡的正门置于中央，从中心开始均匀地绘制地图区域，似乎是为了强调地图的图形构成。布局均衡。