wassname/segpy
1
0
Fork 0
mirror of https://github.com/wassname/segpy.git synced 2026-08-11 11:25:46 +08:00
Code Issues Packages Projects Releases Wiki Activity

*** empty log message ***

Browse Source
This commit is contained in:
cultpenguin
2005-05-23 19:58:43 +00:00
parent 970b093dfe
commit 62ddbfe136
2 changed files with 14 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
segypy.py
+8 -2
View File
@@ -635,8 +635,14 @@ def printverbose(txt,level=1):
##############
# MISC FUNCTIONS
def ibm2ieee(ibm_float):
i = struct.unpack('>I',ibm_float)[0]
def ibm2Ieee(ibm_float):
"""
ibm2Ieee(ibm_float)
Used by permission
(C)
with thanks to
"""
I = struct.unpack('>I',ibm_float)[0]
sign = [1,-1][bool(i & 0x100000000L)]
characteristic = ((i >> 24) & 0x7f) - 64
fraction = (i & 0xffffff)/float(0x1000000L)
testsegy.py
+6 -6
View File
@@ -7,18 +7,18 @@ import struct
import segypy
#filename='mini.sgy'
filename='mini.sgy'
#filename='lyngbytst1.sgy';
filename='data_IEEE.segy';
filename='data_IBM_REV1.segy';
filename='data_IBM_REV0.segy';
#filename='data_IEEE.segy';
#filename='data_IBM_REV1.segy';
#filename='data_IBM_REV0.segy';
filename='data_1byteINT.segy';
filename='data_2byteINT.segy';
#filename='data_2byteINT.segy';
#filename='data_4byteINT.segy';
# Set verbose level
segypy.verbose=0;
segypy.verbose=5;
# Read Segy File
Data,SH,STH=segypy.readSegy(filename);