GeopsyCore::MiniSeedVolume Class Reference

Brief description of class still missing. More...

#include <MiniSeedVolume.h>

Inheritance diagram for GeopsyCore::MiniSeedVolume:

List of all members.

Public Member Functions
bool	read (QString name)
	~MiniSeedVolume ()
Static Public Member Functions
static void	errorLog (QString fileName, QString title, int errorCode)
static void	errorMessage (QString fileName, QString title, int errorCode)
static bool	isValid (QString fileName)

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Detailed Description

Brief description of class still missing.

Represents a Mini Seed volume. This class is used only while reading a new file.

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Constructor & Destructor Documentation

GeopsyCore::MiniSeedVolume::~MiniSeedVolume

(

)

References TRACE.

{
  TRACE;
  qDeleteAll(*this);
}

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Member Function Documentation

void GeopsyCore::MiniSeedVolume::errorLog	(	QString	fileName,
		QString	title,
		int	errorCode
	)		[static]

References QGpCoreTools::endl(), and TRACE.

Referenced by GeopsyCore::MiniSeedReader::nextRecord().

{
  TRACE;
  QString msg=errorString(errorCode);
  if( !msg.isEmpty()) {
    App::stream() << title << ":" << msg.arg(fileName) << endl;
  }
}

void GeopsyCore::MiniSeedVolume::errorMessage	(	QString	fileName,
		QString	title,
		int	errorCode
	)		[static]

References MSG_ID, and TRACE.

Referenced by read().

{
  TRACE;
  QString msg=errorString(errorCode);
  if( !msg.isEmpty()) {
    Message::warning(MSG_ID, title, msg.arg(fileName), Message::cancel(), true);
  }
}

bool GeopsyCore::MiniSeedVolume::isValid

(

QString

fileName

)

[static]

References TRACE.

Referenced by GeopsyCore::SignalFileFormat::fromContent().

{
  TRACE;
  LibMSeed::MSRecord *msr=0;
  int msErr=ms_readmsr (&msr, fileName.toAscii().data(), -1, NULL, NULL, 1, 0, 0);
  ms_readmsr (&msr, NULL, -1, NULL, NULL, 1, 0, 0);
  return msErr==MS_NOERROR;
}

bool GeopsyCore::MiniSeedVolume::read

(

QString

name

)

Parse a Mini seed volume and fill its internal list of MiniSeedTrace pointers

References GeopsyCore::MiniSeedTrace::addRecord(), errorMessage(), MSG_ID, GeopsyCore::MiniSeedTrace::split(), QGpCoreTools::tr(), and TRACE.

{
  TRACE;
  LibMSeed::MSRecord * msr=0;
  int msErr=0;
  off_t currentPos=0;
  /* Read next seed record with
      int reclen=-1            Use automatic record length (usually read from Blockette 1000)
      off_t *fpos=currentPos   Store all position of records in file
      int *last =NULL            Don't care about last record, just wait for MS_ENDOFFILE
      flag skipnotdata=1       Skip all invalid data chunks
      flag dataflag=0          Do not unpack values
      flag verbose=0           Be not verbose
  */
  // TODO: look for another way with UNICODE support for file names, tried with utf-8, but it does not work either.
  if(QString(name.toAscii())!=name) {
    Message::warning(MSG_ID, tr("Loading Miniseed"),
                     tr("File path contains non-ASCII characters. This is a current limitation of IRIS MiniSeed library. "
                        "Move your file to a directory path with ASCII characters only.\n%1").arg(name), Message::cancel(), true);
    return false;
  }
  while(( msErr=ms_readmsr (&msr, name.toAscii().data(), -1, &currentPos, NULL, 1, 0, 0))==MS_NOERROR) {
    MiniSeedTrace * sig=findTrace(msr);
    if(!sig) {
      sig=new MiniSeedTrace(msr);
      append(sig);
    }
    sig->addRecord(msr, currentPos);
  }
  ms_readmsr (&msr, NULL, 0, NULL, NULL, 0, 0, 0);
  if(msErr!= MS_ENDOFFILE) {
    errorMessage(name, tr("Loading Miniseed"), msErr);
    return false;
  }
  // Check continuity of traces and split non-continuous traces
  for(int i=0; i<count(); i++) {
    MiniSeedTrace * sig=at(i);
    while(true) {
      sig=sig->split();
      if(sig) {
        i++;
        insert(i, sig);
      } else {
        break;
      }
    }
  }
  return true;
}

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The documentation for this class was generated from the following files:

• GeopsyCore/MiniSeedVolume.h
• GeopsyCore/MiniSeedVolume.cpp