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| | 谷歌之后，高德为什么还要再造一个Earth？ | | | 钛媒体APP ｜ 2026-09-12 | | | |
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scroll 0 1 2026年9月10日，高德正式发布新一代数字地球ABot-Earth0.7。这个被称为“全球首个3D原生城市世界模型”的模型产品，正试图在GoogleEarth诞生21年后，重新定义“数字地球”。
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谷歌之后，高德为什么还要再造一个Earth？
对大多数人来说，“数字地球”是个有些年头的词了。2005年，GoogleEarth让无数人第一次体验到了从太空俯瞰自家屋顶的震撼。21年过去，在全球的3D地图行业，谷歌不仅没有对手，甚至都不曾迎来挑战者。
究其根本，Google为全球设立了3D地图的门槛：深厚的技术沉淀和高昂的准入门槛，其中最大的门槛就是成本。
传统的3D重建模式离不开“采集+重建”两个部分，Google模式下的高保真三维城市，依赖飞机航测采集：飞机带着专业设备对一个城市进行多个角度的扫描，再通过多视角测量、增量重建，一点点算出整个城市的点云，最后贴上纹理。这是一个典型的“手工作坊”流程，采集、处理、拼接、精修，每一步都需要专业设备和大量人力。
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点云重建模式下，数据采集到哪里，三维世界才到哪里；数据停留在哪一天，用户看到的就是哪一天。
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谷歌之后，高德为什么还要再造一个Earth？
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