Viewsheds from Key Observation Points for Padre Island National Seashore (PAIS)
收藏data.gov2024-09-07 收录
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Visibility viewsheds incorporate influences of distance from observer, object size and limits of human visual acuity to define the degree of visibility as a...
可视域（Visibility viewsheds）通过纳入观测者距离、物体尺寸以及人类视觉敏锐度极限的影响因素，将可视度等级定义为一种……
