# SegyMAT
Download latest release from [http://segymat.sourceforge.net/]
Documentation is available at [https://www.gitbook.com/book/cultpenguin/segymat/details]
# Release History
## SegyMAT 1.5
SegyMAT version 1.5 is now available, promising much faster reading of parts of large segy files.
Posted by Thomas Mejer Hansen 2015-07-01
Labels: 1.5
## Version 1.4
Version 1.4 is just release. It is mostly a bugfix release.
Revision since last release:
ReadSegy.m :
Corrected SH.time to reflect proper traveltime
Disabled Waitbar
ReadSegyHeader.m :
Fixed 'SkipData' conflict with Robust Control Toolbox
wiggle.m :
Allowed specification of line color,
allow overlaying wiggle plots
allow NaN value in 'VA' style plotting
ReadSu :
Fixed typo in line 221
MergeSegy.m :
New file-->Merge several Segy Files into one... read more
Posted by Thomas Mejer Hansen 2011-04-07
## SegyMAT v1.11 Faster reading
Kristian Stormark enhanced GetSegyTraceHeader such that it needs fewer disc operations, resulting in major speed improvements when reading large SGY files
Posted by Thomas Mejer Hansen 2008-08-21
SegyMAT : Fixed serious bug in ReadSu
A bug in ReadSu (version 1.05) that caused all traces to have a fixed trace length of 5011 has bee fixed.
Posted by Thomas Mejer Hansen 2005-10-03
## SegyPY
SegyPY (A python port of SegyMAT) has been in CVS for some time and is useable for reading SEGY files rev0 and rev1. There is a slight problem reading IBM floats (the seismic data gets 'shifted') but this should soon be fixed. Check it out and get back with bug reports.
Posted by Thomas Mejer Hansen 2005-06-03
## Version 1.0
Finally version 1.0 of SegyMAT has been released. A few bugfixes with respect to Matlab 7.0 have been fixed, and some minor updates.
Posted by Thomas Mejer Hansen 2004-11-15
Function SkipData is now in context" bug fixes
Windows users have reported the error message "Function SkipData is now in context". I have been unable to reproduce this error on Win98 and WinXP, but have changed the code so this should no longer be a problem... -> install version 0.91
Posted by Thomas Mejer Hansen 2004-02-19
Version 0.45 - Speed !
A few bugs has been fixed, and the speed of writing SEGY files has significantly improved.
Posted by Thomas Mejer Hansen 2003-09-29
Version 0.40
A new version is ready for download .It is mainly a bug release of version 0.39 released two days ago.
Also it includes some enhancement in stability.
Posted by Thomas Mejer Hansen 2003-01-22
Version 0.39
A new version of SegyMAY has been uploaded.
Fast version of ReadSu and ReadSegy, that speeds up reading ahile not reading header values.
Initial EBCDIC support
Function to read only the Segy binary header
Option to read Little/Big endian formatted files.
Posted by Thomas Mejer Hansen 2003-01-20
Mailing List
Please join the mailing list if you want to participate in the debate about the use and development of SegyMAT
Posted by Thomas Mejer Hansen 2002-09-09
Version 0.38 - Please upgrade
Everybody should upgrade to this release.
A huge number of updates makes to code much more robust for different SEG-Y implementaions.
A few header values were missing in previous released, which has been fixed now.
Posted by Thomas Mejer Hansen 2002-09-06
Verson 0.35
Version 0.35 was released June 17, 2002
It is mainly a test release until 0.4 will be stable.
There has so many enhancements that I think a release now will be worthwile.
Mahor new stuff :
Reading and writing of IBM Floating point format
Thanks to (C) Brian Farrelly,
Brian.Farrelly@nho.hydro.com, Norsk Hydro Research Centre
Reading and writing of SU (Seismic Unix files)
GUI Is enhanced
Lots of options to ReadSu and ReadSegy
Posted by Thomas Mejer Hansen 2002-06-17
Version 0.3
Version 0.3 is out.
Main new feature is ability to read in parts of a dataset. Combine any of :
Read every i'th trace
Read range og trace header value (5700<cdp<5800)
* Read time slice (2<t<12)
Posted by Thomas Mejer Hansen 2002-05-03
Version 0.2
Version 0.2 is available for download.
A GUI SegyReader is just starting to take form, and some smaller changes to the SegyReader.
Posted by Thomas Mejer Hansen 2002-04-03
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matlab读取地震segy数据
共113个文件
m:62个
xml:15个
png:8个
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matlab读取地震数据segy,(之前在csdn下载的别人的读取segy的那个文件有问题,请注意:读取之后每道的数据会发生变化请注意!!!)该文件读取后的道数据是存在Data变量之中。使用例子如下:[Data,SegyHeader,SegyTraceHeadersBinary]=ReadSegyFast(filename);
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matlab读取地震segy数据 (113个子文件)
style.css 6KB
segymat.dsl 5KB
docbook-utils.dsl 4KB
wiggle.eps 3.95MB
wiggle_VA.eps 343KB
segymat_gui.eps 74KB
DIAOpenSEGY.fig 36KB
GUIEditSegyTraceHeader.fig 31KB
segymat.fig 11KB
GUIEditSegyHeader.fig 9KB
GUIPlotXY.fig 5KB
DIAAboutSegymat.fig 2KB
GUIEditTextualFileHeader.fig 2KB
index.html 4KB
LICENSE 24KB
segymat.m 33KB
ReadSegy.m 18KB
GUIEditSegyHeader.m 13KB
sac2mat.m 13KB
GUIEditSegyTraceHeader.m 12KB
sacpc2mat.m 12KB
sacsun2mat.m 12KB
GetSegyHeaderBasics.m 11KB
DIAOpenSEGY.m 11KB
GUIEditTextualFileHeader.m 10KB
CheckSegyTraceHeader.m 9KB
ReadSu.m 9KB
PutSegyHeader.m 9KB
GetSegyTraceHeader.m 9KB
PutSegyTrace.m 8KB
ReadSegyFast.m 8KB
GetSegyHeader.m 7KB
Sac2Segy.m 7KB
TraceHeaderDef.m 7KB
wiggle.m 6KB
ReadSegyHeader.m 6KB
WriteSegy.m 5KB
WriteSegyTraceHeaderValue.m 5KB
InitSegyTraceHeader.m 5KB
ReadSegyTraceHeaderValue.m 5KB
GUIPlotXY.m 4KB
num2ibm.m 4KB
ascii2ebcdic.m 4KB
ebcdic2ascii.m 4KB
GetSegyTraceData.m 3KB
WriteSegyStructure.m 3KB
DIAAboutSegymat.m 3KB
Contents.m 3KB
SegyMAT_GAIN.m 3KB
WriteSu.m 2KB
ibm2num.m 2KB
WriteSegyTrace.m 2KB
ReadSegyTrace.m 2KB
WriteSuStructure.m 2KB
ReadSuFast.m 2KB
GetSegyTrace.m 1KB
testWriteSegy.m 1KB
WriteSegyFast.m 1KB
SegymatRevision.m 1KB
Segy2Su.m 1KB
SegymatVerbose.m 1KB
GetSegyTraceHeaderInfo.m 1KB
MergeSegy.m 1KB
pick_line.m 1KB
SegymatVersion.m 1KB
Su2Segy.m 1KB
read_gse_int.m 991B
progress_txt.m 834B
gse2segy.m 691B
SegyMATdemo1.m 678B
SegymatHelp.m 614B
MakeXmlRef.m 562B
ReadSegyConstantTraceLength.m 478B
PrintSegyFormatRevsisionNumber.m 474B
cmap_rwb.m 222B
isoctave.m 117B
compile_segymat.m 19B
Makefile 883B
SegyMAT_Rev.mat 2KB
Readme.md 4KB
index.php 8KB
segymat_gui_data_obh.png 311KB
segymat_gui_data.png 265KB
wiggle.png 236KB
wiggle_VA.png 179KB
segymat_gui_segyheader.png 97KB
segymat_gui_textualheader.png 28KB
segymat_gui.png 18KB
segymat_gui_open_expert.png 13KB
README 258B
README_OCTAVE 807B
REVISION 6KB
f11_02673_45Hz.segy 446KB
mogrify_eps.sh 113B
README_STANDALONE_WIN32.txt 95B
updateSF 219B
UploadToSF 267B
segymat-functions.xml 30KB
segymat2.xml 22KB
segyreading.xml 9KB
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