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Skip SRF sources with slip_sum=0 and fix sfileoutput #240

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Skip SRF sources with slip_sum=0 and fix sfileoutput #240

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9c7509b
Fix sfile output
houjun Oct 27, 2025
05f926a
Fix sfile output
houjun Oct 27, 2025
a76e0c7
Combine sfile output fix with SRF source updates
houjun Apr 6, 2026
36790fe
Skip creating zero-slip rupture sources
houjun Apr 7, 2026
94f020d
Fix NumPy int alias in HDF5 pytest
houjun Apr 7, 2026
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8 changes: 8 additions & 0 deletions src/SfileOutput.C
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Original file line number Diff line number Diff line change
Expand Up @@ -739,6 +739,14 @@ void SfileOutput::write_image(const char *fname, std::vector<Sarray>& a_Z )
H5Awrite(attr, H5T_NATIVE_DOUBLE, &spacing);
H5Aclose(attr);

aname = "Coarsest horizontal grid spacing";
spacing = mEW->mGridSize[0]*stH;
attr = H5Acreate(h5_fid, aname, H5T_NATIVE_DOUBLE, attr_space1, H5P_DEFAULT, H5P_DEFAULT);
if( attr < 0 )
VERIFY2(0, "ERROR: SfileOutput::write_image, error creating " << aname);
H5Awrite(attr, H5T_NATIVE_DOUBLE, &spacing);
H5Aclose(attr);

aname = "Attenuation";
int att = mEW->usingAttenuation();
attr = H5Acreate(h5_fid, aname, H5T_NATIVE_INT, attr_space1, H5P_DEFAULT, H5P_DEFAULT);
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2 changes: 1 addition & 1 deletion src/TimeSeries.C
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Expand Up @@ -1329,7 +1329,7 @@ write_hdf5_format(int npts, hid_t grp, float *y, float btime, float dt, char *va

if (isLast && ret == 1) {
m_nptsWritten += count;
H5Gflush(grp);
// H5Gflush(grp);
}

if (mDownSample > 1)
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17 changes: 16 additions & 1 deletion src/parseInputFile.C
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Expand Up @@ -6263,7 +6263,7 @@ void EW::processRupture(char* buffer, vector<vector<Source*> > & a_GlobalUniqueS
printf("Number of point sources in data block: %i\n", npts);

// read all point sources
int nSources=0, nu1=0, nu2=0, nu3=0;
int nSources=0, nu1=0, nu2=0, nu3=0, nskip_zero_slip=0;
for (int pts=0; pts<npts; pts++)
{
double lon, lat, dep, stk, dip, area, tinit, dt, rake, slip1, slip2, slip3;
Expand Down Expand Up @@ -6342,6 +6342,19 @@ void EW::processRupture(char* buffer, vector<vector<Source*> > & a_GlobalUniqueS
{
printf("INFO: SRF file: dt*sum(slip_vel)=%e [m], total slip (from header)=%e [m]\n", slip_sum, slip_m);
}
float_sw4 slip_sum_tol = 1e-12;
if( slip_sum > -slip_sum_tol && slip_sum < slip_sum_tol )
{
nskip_zero_slip++;
if( proc_zero() && nskip_zero_slip <= 10 )
{
printf("WARNING: skipping rupture point #%i because dt*sum(slip_vel)=%e [m], slip1=%e [m]\n",
pts+1, slip_sum, slip_m);
}
for (int i=1; i<=nt1dim+1; i++)
par[i] = 0;
slip_sum = 1;
}
// scale time series to sum to integrate to one
for (int i=1; i<=nt1dim+1; i++)
{
Expand Down Expand Up @@ -6511,6 +6524,8 @@ void EW::processRupture(char* buffer, vector<vector<Source*> > & a_GlobalUniqueS
if (proc_zero())
printf("Read npts=%i, made %i point moment tensor sources, nu1=%i, nu2=%i, nu3=%i\n",
npts, nSources, nu1, nu2, nu3);
if (proc_zero() && nskip_zero_slip > 0)
printf("Skipped %i rupture points with zero slip-velocity integral in u1.\n", nskip_zero_slip);

fclose(fd);
}
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17 changes: 16 additions & 1 deletion src/readhdf5.C
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Expand Up @@ -569,7 +569,7 @@ void readRuptureHDF5(char *fname, vector<vector<Source*> > & a_GlobalUniqueSourc
int npts = 0, nseg = 0, nsr1 = 0;
hsize_t dims;
double rVersion;
int nSources=0, nu1=0, nu2=0, nu3=0;
int nSources=0, nu1=0, nu2=0, nu3=0, nskip_zero_slip=0;

stime = MPI_Wtime();
// Only rank 0 reads data, then broadcast to all other processes
Expand Down Expand Up @@ -777,6 +777,19 @@ void readRuptureHDF5(char *fname, vector<vector<Source*> > & a_GlobalUniqueSourc
{
printf("INFO: SRF file: dt*sum(slip_vel)=%e [m], total slip (from header)=%e [m]\n", slip_sum, slip_m);
}
float_sw4 slip_sum_tol = 1e-12;
if( slip_sum > -slip_sum_tol && slip_sum < slip_sum_tol )
{
nskip_zero_slip++;
if( world_rank == 0 && nskip_zero_slip <= 10 )
{
printf("WARNING: skipping rupture point #%i because dt*sum(slip_vel)=%e [m], slip1=%e [m]\n",
pts+1, slip_sum, slip_m);
}
for (int i=1; i<=nt1dim+1; i++)
par[i] = 0;
slip_sum = 1;
}
// scale time series to sum to integrate to one
for (int i=1; i<=nt1dim+1; i++)
{
Expand Down Expand Up @@ -911,6 +924,8 @@ void readRuptureHDF5(char *fname, vector<vector<Source*> > & a_GlobalUniqueSourc
} // end for all sources
if (world_rank == 0)
printf("Read npts=%i, made %i point moment tensor sources, nu1=%i, nu2=%i, nu3=%i\n", npts, nSources, nu1, nu2, nu3);
if (world_rank == 0 && nskip_zero_slip > 0)
printf("Skipped %i rupture points with zero slip-velocity integral in u1.\n", nskip_zero_slip);

etime = MPI_Wtime();
if (is_debug && world_rank == 0)
Expand Down
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