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我在 ArcMap 中创建了一个 tif 栅格。此栅格的像素类型是有符号整数。
当我基于 tif 创建栅格对象并检查其数据类型时,它会转换为无符号整数:
> r_tif <- raster("test.tif") > dataType(r_tif) [1] "INT1U"
任何想法为什么会发生这种情况?