def testFormat():
infile = dataDir + "Ref_Gold.segy"
ais = ArrayInputStream(infile)
ais.skipBytes(nhead + nbhed)
ais.skipBytes(nthed)
xi = zeroint(n1)
ais.readInts(xi)
ais.close()
x1 = zerofloat(n1)
x2 = zerofloat(n1)
Convert.ibmToFloat(xi, x1)
Convert.ieeeToFloat(xi, x2)
SimplePlot.asPoints(x1)
SimplePlot.asPoints(x2)
def testFormat(): infile = dataDir+"Ref_Gold.segy" ais = ArrayInputStream(infile) ais.skipBytes(nhead+nbhed) ais.skipBytes(nthed) xi = zeroint(n1) ais.readInts(xi) ais.close() x1 = zerofloat(n1) x2 = zerofloat(n1) Convert.ibmToFloat(xi,x1) Convert.ieeeToFloat(xi,x2) SimplePlot.asPoints(x1) SimplePlot.asPoints(x2)
def convertSegy(infile, outfile):
infile = dataDir + infile
outfile = dataDir + outfile
ais = ArrayInputStream(infile)
aos = ArrayOutputStream(outfile)
ais.skipBytes(nhead + nbhed)
xi = zeroint(n1i)
x = zerofloat(n1i)
y = zerofloat(n1)
ais.skipBytes(k2 * (nthed + 4 * n1i))
for i2 in range(n2):
ais.skipBytes(nthed)
ais.readInts(xi)
Convert.ibmToFloat(xi, x)
copy(n1, k1, x, 0, y)
aos.writeFloats(y)
ais.close()
aos.close()
def convertSegy(infile,outfile):
infile = dataDir+infile;
outfile = dataDir+outfile
ais = ArrayInputStream(infile)
aos = ArrayOutputStream(outfile)
ais.skipBytes(nhead+nbhed)
xi = zeroint(n1i)
x = zerofloat(n1i)
y = zerofloat(n1)
ais.skipBytes(k2*(nthed+4*n1i))
for i2 in range(n2):
ais.skipBytes(nthed)
ais.readInts(xi)
Convert.ibmToFloat(xi,x)
copy(n1,k1,x,0,y)
aos.writeFloats(y)
ais.close()
aos.close()