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Utility to convert raster dataset to Cloud Optimized GeoTIFFs

Project description


It validates the TIF and convert it into COG compliant using gdal. Following are the Use-Cases kept in mind while designing:

  1. Large TIF that cannot be fit into memory
  2. Reading data block by block, so can be run of even low memory server
  3. Supports Multiband TIFs
  4. 3-4 Band uint8 TIF (Orthomosaic)
  5. Building pyramids if not available (This will improve rendering speed)
  6. Compressing data
  7. Compressing to the same compression format as the original TIF. If original TIF was not compressed then LZW lossless compression is used to compress.
  8. Tile whole into 256x256 smaller blocks internally

It will validate tiff for COG format.

It has the actual converter function which converts tifs into COG format


  1. Multi-core processing for faster results.

How to Run

  1. Inside python console
import cogconverter as cog
import gdal

path_tif = 'sentinel2.tif'
path_output = 'sentinel2_cog.tif'

ds = gdal.Open(path)

ds = cog.converter.convert2blocksize(ds, path_output)

Project details

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Files for cogconverter, version 0.2.2
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