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Item _array_structure.compression_type


Description 


              Type of data compression method used to compress the array
              data.

Category

array_structure

Mandatory Code

no

Data Type Code

code

Default Value

none

Enumeration Values

Item Value Description
none Data are stored in normal format as defined by '_array_structure.encoding_type' and '_array_structure.byte_order'.
packed Using the 'packed' compression scheme, a CCP4-style packing (ITVG Chapter 5.6, section 3.1)
canonical Using the 'canonical' compression scheme ((ITVG Chapter 5.6, section 3.2)

 

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