GH #129: Implement USGSElevationProvider #154
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rsarathy
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rsarathy
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First convert images to a single band:
gdal_translate -ot byte -scale data/n38w123_20240313.tif n38w123_sb.tifThen, split single 32-bit band into 4-byte rgba; use single grayscale band for all 4 r,g,b bands:
gdalwarp -b 1 -b 1 -b 1 -dstalpha n38w123_sb.tif n38w123_rgba.tif