上海建筑规划模型定制

深入市场调研行业翘楚

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工业沙盘制作解决方案供应商

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专注于全球沙盘制作

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具体过程是，先计算相邻面片的法线，再根据这两个法线的夹角是否为0判断是否共面。为避免三维模型数据噪声和计算精度的影响，采用法线夹角是否小于0.01这一很小的阈值来代替是否为0的判断。建筑物外轮廓线的提取渲染实现了在尽可能地保留建筑物外观特征下减少网格线条的数量，效果如图2d所示。

工业沙盘制作的发展现状和未来前景

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热门应用领域

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专注沙盘制作生产及研发

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沙盘制作产业发展现状和技术趋势

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售后服务

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