Many raster-based formats have roots in image formats: a common raster-based image format is bitmap (.bmp).
许多基于栅格的格式都有基本的图像格式：常见的基于栅格的图像格式是位图(. bmp)。
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This is the traditional raster-based imaging method can not match. Ray tracing is the main idea to produce image in the future.
这是传统光栅化成像方式不能比拟的，光线追踪是未来成像方式的趋势。
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Tagged image file format (.tiff) is another commonly used raster-based image format, which GIS specialists adapted to geographers' needs and renamed GeoTIFF.