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Active Message Threads for February 2006

Chad Trabant
2006-02-22 18:33:51 - 2006-02-22 21:52:04
Howdy, I recently put together a simple SAC to miniSEED converter (a bit of wheel reinventing). My sac2mseed has some nice features: format and byte order autodetection, autoscaling of floats to ints when needed. I had a few questions regarding the format: - Most SAC reading code out there works with version '6' of the header, how common are other versions of the header, does 6 cover the vast majority? - Autodetection of format tests the first 4 bytes in a file, if they're spaces alphan... [more]
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Brian Savage
2006-02-16 18:17:47
Chad, You are correct. Thanks. Cheers, Brian Chad wrote: > > Hi Brian, > > I was throwing together a quick SAC to Mini-SEED converter and looked at > your recent patch for detecting byte order from the SAC header (thanks). > I think I see an error (see below), feel free to tell me I'm wrong. > > cheers, > Chad > >> Index: src/dff/wrsac.c >> =================================================================== >> RCS file: /export/home/cvs/repository/SAC/src/dff/wrsac.c,v > ... >> + ... [more]
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Brian Savage
2006-02-13 17:46:55 - 2006-02-15 00:21:15
All, I have created a patch for the read header / write header bug discovered a while back. It effectively handles big and small endian files. This patch determines the file's endianness and writes the appropriate header. During a write header, this is the logic: - Open file to be written (file must already exist) - Read in Old Header - Examine Version Number - If version number between 1 and current version (6) - Write header - If version number not between 1 and current version (6) ... [more]
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