swissTLM3D

swissTLM3D is the large-scale topographical landscape model of Switzerland. It includes both natural and artificial landscape features, as well as name data in vector form. With a high accuracy and the incorporation of a third dimension, swissTLM3D is the most extensive and accurate 3D vector data set of Switzerland.swissTLM3D 是瑞士的大型地形景观模型。其涵盖自然与人工景观要素，同时包含矢量形式的名称数据。凭借高精度特性与三维维度的融入，swissTLM3D 乃是当前瑞士境内规模最为庞大、精度最高的三维矢量数据集。