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Improves readability and formatting in datatypes.py.

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This commit is contained in:
Robert Smallshire
2015-05-07 13:50:12 +02:00
parent b52ea4cff6
commit 89a8b2420f
1 changed files with 33 additions and 29 deletions
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segpy/datatypes.py
+33 -29
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@@ -1,39 +1,43 @@
# A mapping from data sampel format codes to SEG Y types.
DATA_SAMPLE_FORMAT_TO_SEG_Y_TYPE = {1: 'ibm',
2: 'int32',
3: 'int16',
5: 'float32',
8: 'int8'}
DATA_SAMPLE_FORMAT_TO_SEG_Y_TYPE = {
1: 'ibm',
2: 'int32',
3: 'int16',
5: 'float32',
8: 'int8'}
# A mapping from SEG Y data types to format characters used by the struct module
SEG_Y_TYPE_TO_CTYPE = {'int32': 'i',
'uint32': 'I',
'int16': 'h',
'uint16': 'H',
'int8': 'b',
'uint8': 'B',
'float32': 'f',
'ibm': 'ibm'}
SEG_Y_TYPE_TO_CTYPE = {
'int32': 'i',
'uint32': 'I',
'int16': 'h',
'uint16': 'H',
'int8': 'b',
'uint8': 'B',
'float32': 'f',
'ibm': 'ibm'}
SEG_Y_TYPE_DESCRIPTION = {'ibm': 'IBM float',
'int32': '32 bit signed integer',
'uint32': '32 bit unsigned integer',
'int16': '16 bit signed integer',
'uint16': '16 bit unsigned integer',
'float32': 'IEEE float32',
'int8': '8 bit signed integer (byte)',
'uint8': '8 bit unsigned integer (byte)'}
SEG_Y_TYPE_DESCRIPTION = {
'ibm': 'IBM float',
'int32': '32 bit signed integer',
'uint32': '32 bit unsigned integer',
'int16': '16 bit signed integer',
'uint16': '16 bit unsigned integer',
'float32': 'IEEE float32',
'int8': '8 bit signed integer (byte)',
'uint8': '8 bit unsigned integer (byte)'}
CTYPE_TO_SIZE = dict(i=4,
I=4,
h=2,
H=2,
b=1,
B=1,
f=4,
ibm=4)
CTYPE_TO_SIZE = dict(
i=4,
I=4,
h=2,
H=2,
b=1,
B=1,
f=4,
ibm=4)
def size_in_bytes(ctype):