@cogeotiff/cli

coeotiff

CLI to work with Cloud optimized GEOTiff

• Completely javascript based, works in the browser and nodejs
• Lazy load COG images and metadata
• Supports huge 100GB+ COGs
• Uses GDAL COG optimizations, generally only one read per tile!
• Loads COGs from URL, File or AWS S3

Usage

npm i -g @cogeotiff/cli

cogeotiff info

Display basic information about COG

cogeotiff info webp.cog.tiff

Output:

COG File Info - s3://linz-imagery/otago/otago_sn9457_1995-1997_0.75m/2193/rgb/    Tiff type       BigTiff (v43)
    Bytes read      32 KB (1 Chunk)

Images
    Compression     image/webp
    Origin          1352800, 4851600, 0
    Resolution      0.75, -0.75, 0
    BoundingBox     1352800, 4844400, 1357600, 4851600
    EPSG            EPSG:2193 (https://epsg.io/2193)
    Images          
        Id      Size                    Tile Size               Tile Count              Resolution          
        0       6400x9600               512x512                 13x19 (247)             0.75                
        1       3200x4800               512x512                 7x10 (70)               1.5                 
        2       1600x2400               512x512                 4x5 (20)                3                   
        3       800x1200                512x512                 2x3 (6)                 6                   
        4       400x600                 512x512                 1x2 (2)                 12                  
        5       200x300                 512x512                 1x1 (1)                 24                  

GDAL
    COG optimized   true
    Ghost Options   
                GDAL_STRUCTURAL_METADATA_SIZE = 000140 bytes
                LAYOUT = IFDS_BEFORE_DATA
                BLOCK_ORDER = ROW_MAJOR
                BLOCK_LEADER = SIZE_AS_UINT4
                BLOCK_TRAILER = LAST_4_BYTES_REPEATED
                KNOWN_INCOMPATIBLE_EDITION = NO

cogeotiff dump

Dump all tiles for a image (Warning if you do this for a large cog this will create millions of files.)

cogeotiff dump webp.cog.tiff --image 2 --output output