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writenetcdf.cpp
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writenetcdf.cpp
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//////////////////////////////////////////////////////////////////////////////////
// //
//Copyright (C) 2018 Bosserelle //
// //
//This program is free software: you can redistribute it and/or modify //
//it under the terms of the GNU General Public License as published by //
//the Free Software Foundation. //
// //
//This program is distributed in the hope that it will be useful, //
//but WITHOUT ANY WARRANTY; without even the implied warranty of //
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
//GNU General Public License for more details. //
// //
//You should have received a copy of the GNU General Public License //
//along with this program. If not, see <http://www.gnu.org/licenses/>. //
//////////////////////////////////////////////////////////////////////////////////
#include "Header.cuh"
#define pi 3.14159265
extern "C" void readnczb(int nx, int ny, const std::string ncfile, float * &zb)
{
int status;
int ncid, hh_id;
std::string varstr,ncfilestr;
std::vector<std::string> nameelements;
//by default we expect tab delimitation
nameelements = split(ncfile, '?');
if (nameelements.size() > 1)
{
//variable name for bathy is not given so it is assumed to be zb
ncfilestr = nameelements[0];
varstr = nameelements[1];
}
else
{
ncfilestr = ncfile;
varstr = "zb";
}
status = nc_open(ncfilestr.c_str(), NC_NOWRITE, &ncid);
if (status != NC_NOERR) handle_error(status);
status = nc_inq_varid(ncid, varstr.c_str(), &hh_id);
if (status != NC_NOERR) handle_error(status);
status = nc_get_var_float(ncid, hh_id, zb);
if (status != NC_NOERR) handle_error(status);
status = nc_close(ncid);
if (status != NC_NOERR) handle_error(status);
}
void readgridncsize(const std::string ncfile, int &nx, int &ny, int &nt, double &dx, double &xo, double &yo, double &to, double &xmax, double &ymax, double &tmax)
{
//read the dimentions of grid, levels and time
int status;
int ncid, ndimshh, ndims;
double *xcoord, *ycoord, *tcoord;
int varid;
//int ndimsp, nvarsp, nattsp, unlimdimidp;
int dimids[NC_MAX_VAR_DIMS]; /* dimension IDs */
char coordname[NC_MAX_NAME + 1];
//char varname[NC_MAX_NAME + 1];
size_t *ddimhh;
std::string ncfilestr;
std::string varstr;
//char ncfile[]="ocean_ausnwsrstwq2.nc";
std::vector<std::string> nameelements;
//by default we expect tab delimitation
nameelements = split(ncfile, '?');
if (nameelements.size() > 1)
{
//variable name for bathy is not given so it is assumed to be zb
ncfilestr = nameelements[0];
varstr = nameelements[1];
}
else
{
ncfilestr = ncfile;
varstr = "zb";
}
//Open NC file
printf("Open file\n");
status = nc_open(ncfilestr.c_str(), NC_NOWRITE, &ncid);
if (status != NC_NOERR) handle_error(status);
//printf(" %s...\n", hhvar);
status = nc_inq_varid(ncid, varstr.c_str(), &varid);
if (status != NC_NOERR) handle_error(status);
status = nc_inq_varndims(ncid, varid, &ndimshh);
if (status != NC_NOERR) handle_error(status);
//printf("hhVar:%d dims\n", ndimshh);
status = nc_inq_vardimid(ncid, varid, dimids);
if (status != NC_NOERR) handle_error(status);
ddimhh = (size_t *)malloc(ndimshh*sizeof(size_t));
//Read dimensions nx_u ny_u
for (int iddim = 0; iddim < ndimshh; iddim++)
{
status = nc_inq_dimlen(ncid, dimids[iddim], &ddimhh[iddim]);
if (status != NC_NOERR) handle_error(status);
//printf("dim:%d=%d\n", iddim, ddimhh[iddim]);
}
if (ndimshh > 2)
{
nt = (int) ddimhh[0];
ny = (int) ddimhh[1];
nx = (int) ddimhh[2];
}
else
{
nt = 0;
ny = (int) ddimhh[0];
nx = (int) ddimhh[1];
}
//allocate
xcoord = (double *)malloc(nx*ny*sizeof(double));
ycoord = (double *)malloc(nx*ny*sizeof(double));
//inquire variable name for x dimension
//aka x dim of hh
int ycovar, xcovar, tcovar;
if (ndimshh > 2)
{
tcovar = dimids[0];
ycovar = dimids[1];
xcovar = dimids[2];
}
else
{
ycovar = dimids[0];
xcovar = dimids[1];
}
//ycoord
status = nc_inq_dimname(ncid, ycovar, coordname);
if (status != NC_NOERR) handle_error(status);
status = nc_inq_varid(ncid, coordname, &varid);
if (status != NC_NOERR) handle_error(status);
status = nc_inq_varndims(ncid, varid, &ndims);
if (status != NC_NOERR) handle_error(status);
if (ndims < 2)
{
double * ytempvar;
ytempvar = (double *)malloc(ny*sizeof(double));
size_t start[] = { 0 };
size_t count[] = { ny };
status = nc_get_vara_double(ncid, varid, start, count, ytempvar);
if (status != NC_NOERR) handle_error(status);
for (int i = 0; i<nx; i++)
{
for (int j = 0; j<ny; j++)
{
ycoord[i + j*nx] = ytempvar[j];
}
}
free(ytempvar);
}
else
{
size_t start[] = { 0, 0 };
size_t count[] = { ny, nx };
status = nc_get_vara_double(ncid, varid, start, count, ycoord);
if (status != NC_NOERR) handle_error(status);
}
//xcoord
status = nc_inq_dimname(ncid, xcovar, coordname);
if (status != NC_NOERR) handle_error(status);
status = nc_inq_varid(ncid, coordname, &varid);
if (status != NC_NOERR) handle_error(status);
status = nc_inq_varndims(ncid, varid, &ndims);
if (status != NC_NOERR) handle_error(status);
if (ndims < 2)
{
double * xtempvar;
xtempvar = (double *)malloc(nx*sizeof(double));
size_t start[] = { 0 };
size_t count[] = { nx };
status = nc_get_vara_double(ncid, varid, start, count, xtempvar);
if (status != NC_NOERR) handle_error(status);
for (int i = 0; i<nx; i++)
{
for (int j = 0; j<ny; j++)
{
xcoord[i + j*nx] = xtempvar[i];
}
}
free(xtempvar);
}
else
{
size_t start[] = { 0, 0 };
size_t count[] = { ny, nx };
status = nc_get_vara_double(ncid, varid, start, count, xcoord);
if (status != NC_NOERR) handle_error(status);
}
double dxx;
//check dx
dxx = (xcoord[nx - 1] - xcoord[0]) / (nx - 1.0);
printf("xo=%lf; xmax=%lf; nx=%d; dxx=%lf\n", xcoord[0], xcoord[nx - 1], nx,dxx);
//dyy = (float) abs(ycoord[0] - ycoord[(ny - 1)*nx]) / (ny - 1);
//Read time dimension if any
if (nt > 0)
{
//read dimension name
status = nc_inq_dimname(ncid, tcovar, coordname);
if (status != NC_NOERR) handle_error(status);
//inquire variable id
status = nc_inq_varid(ncid, coordname, &varid);
if (status != NC_NOERR) handle_error(status);
// read the dimension of time variable // yes it should be == 1
status = nc_inq_varndims(ncid, varid, &ndims);
if (status != NC_NOERR) handle_error(status);
//allocate temporary array and read time vector
double * ttempvar;
ttempvar = (double *)malloc(nt * sizeof(double));
size_t start[] = { 0 };
size_t count[] = { nt };
status = nc_get_vara_double(ncid, varid, start, count, ttempvar);
to = ttempvar[0];
tmax= ttempvar[nt-1];
free(ttempvar);
}
else
{
//this is a 2d file so assign dummy values
to = 0.0;
tmax = 0.0;
}
dx = dxx;
xo = xcoord[0];
xmax = xcoord[nx - 1];
yo= ycoord[0];
ymax= ycoord[(ny - 1)*nx];
status = nc_close(ncid);
free(ddimhh);
free(xcoord);
free(ycoord);
}
int readvarinfo(std::string filename, std::string Varname, size_t *&ddimU)
{
// This function reads the dimentions for each variables
int status, varid;
int ncid, ndims;
int dimids[NC_MAX_VAR_DIMS];
//Open NC file
//printf("Open file\n");
status = nc_open(filename.c_str(), 0, &ncid);
if (status != NC_NOERR) handle_error(status);
//inquire variable by name
//printf("Reading information about %s...", Varname.c_str());
status = nc_inq_varid(ncid, Varname.c_str(), &varid);
if (status != NC_NOERR) handle_error(status);
status = nc_inq_varndims(ncid, varid, &ndims);
if (status != NC_NOERR) handle_error(status);
status = nc_inq_vardimid(ncid, varid, dimids);
if (status != NC_NOERR) handle_error(status);
ddimU = (size_t *)malloc(ndims*sizeof(size_t));
//Read dimensions nx_u ny_u
for (int iddim = 0; iddim < ndims; iddim++)
{
status = nc_inq_dimlen(ncid, dimids[iddim], &ddimU[iddim]);
if (status != NC_NOERR) handle_error(status);
//printf("dim:%d=%d\n", iddim, ddimU[iddim]);
}
status = nc_close(ncid);
return ndims;
}
int readnctime(std::string filename, double * &time)
{
int status, ncid, varid;
std::string ncfilestr;
std::string varstr;
//char ncfile[]="ocean_ausnwsrstwq2.nc";
std::vector<std::string> nameelements;
nameelements = split(filename, '?');
if (nameelements.size() > 1)
{
//variable name for bathy is not given so it is assumed to be zb
ncfilestr = nameelements[0];
//varstr = nameelements[1];
}
else
{
ncfilestr = filename;
//varstr = "time";
}
// Warning this could be more robust by taking the unlimited dimention if time does not exist!
std::string Varname = "time";
status = nc_open(ncfilestr.c_str(), 0, &ncid);
if (status != NC_NOERR) handle_error(status);
status = nc_inq_varid(ncid, Varname.c_str(), &varid);
if (status != NC_NOERR) handle_error(status);
status = nc_get_var_double(ncid, varid, time);
if (status != NC_NOERR) handle_error(status);
status = nc_close(ncid);
return status;
}
int readncslev1(std::string filename, std::string varstr, size_t indx, size_t indy, size_t indt, bool checkhh, double eps, double * &zsa)
{
int status, ncid, varid,ndims,sferr,oferr,misserr,fillerr, iderr, varerr;
double scalefac, offset, missing, fillval;
double hha,zza;
//bool checkhh = false;
int wet = 1;
size_t *start, *count;
//std::string Varname = "time";
ndims = 3;
start = (size_t *)malloc(ndims*sizeof(size_t));
//count = (size_t *)malloc(ndims*sizeof(size_t));
start[0] = indt;
start[1] = indy;
start[2] = indx;
//std::string ncfilestr;
//std::string varstr;
//char ncfile[]="ocean_ausnwsrstwq2.nc";
//std::vector<std::string> nameelements;
/*nameelements = split(filename, '?');
if (nameelements.size() > 1)
{
ncfilestr = nameelements[0];
varstr = nameelements[1];
}
else
{
ncfilestr = filename;
varstr = "zs";
checkhh = true;
}*/
status = nc_open(filename.c_str(), 0, &ncid);
if (status != NC_NOERR) handle_error(status);
status = nc_inq_varid(ncid, varstr.c_str(), &varid);
if (status != NC_NOERR) handle_error(status);
status = nc_get_var1_double(ncid, varid, start, zsa);
if (status != NC_NOERR) handle_error(status);
sferr = nc_get_att_double(ncid, varid, "scale_factor", &scalefac);
oferr = nc_get_att_double(ncid, varid, "add_offset", &offset);
// Check if variable is a missing value
misserr = nc_get_att_double(ncid, varid, "_FillValue", &missing);
fillerr = nc_get_att_double(ncid, varid, "missingvalue", &fillval);
if (misserr == NC_NOERR)
{
if (zsa[0] == missing)
{
zsa[0] = 0.0;
wet = 0;
}
}
if (fillerr == NC_NOERR)
{
if (zsa[0] == fillval)
{
zsa[0] = 0.0;
wet = 0;
}
}
if (sferr == NC_NOERR || oferr == NC_NOERR) // data must be packed
{
zsa[0] = zsa[0] * scalefac + offset;
}
if (checkhh)
{
zza = zsa[0];
iderr = nc_inq_varid(ncid, "hh", &varid);
if (iderr == NC_NOERR)
{
status = nc_get_var1_double(ncid, varid, start, zsa);
sferr = nc_get_att_double(ncid, varid, "scale_factor", &scalefac);
oferr = nc_get_att_double(ncid, varid, "add_offset", &offset);
// Check if variable is a missing value
misserr = nc_get_att_double(ncid, varid, "_FillValue", &missing);
fillerr = nc_get_att_double(ncid, varid, "missingvalue", &fillval);
if (misserr == NC_NOERR)
{
if (zsa[0] == missing)
{
zsa[0] = 0.0;
wet = 0;
}
}
if (fillerr == NC_NOERR)
{
if (zsa[0] == fillval)
{
zsa[0] = 0.0;
wet = 0;
}
}
if (sferr == NC_NOERR || oferr == NC_NOERR) // data must be packed
{
zsa[0] = zsa[0] * scalefac + offset;
}
hha = zsa[0];
if (hha > eps)
{
zsa[0] = zza;
}
else
{
zsa[0] = 0.0;
wet = 0;
}
}
}
status = nc_close(ncid);
free(start);
//free(count);
return wet;
}
int readvardata(std::string filename, std::string Varname, int ndims, int hotstep, size_t * ddim, float * vardata)
{
// function to standardise the way to read netCDF data off a file
// The role of this function is to offload and simplify the rest of the code
int nx, ny, nt, status, ncid, varid, sferr, oferr;
size_t * start, * count;
float scalefac, offset;
start = (size_t *)malloc(ndims*sizeof(size_t));
count = (size_t *)malloc(ndims*sizeof(size_t));
//
status = nc_open(filename.c_str(), 0, &ncid);
if (status != NC_NOERR) handle_error(status);
status = nc_inq_varid(ncid, Varname.c_str(), &varid);
if (status != NC_NOERR) handle_error(status);
if (ndims == 1)
{
nx = (int)ddim[0];
start[0] = 0;
count[0] = nx ;
}
else if (ndims == 2)
{
ny = (int)ddim[0];
nx = (int)ddim[1];
start[0] = 0;
start[1] = 0;
count[0] = ny;
count[1] = nx;
}
else //(ndim>2)
{
nt = (int)ddim[0];
ny = (int)ddim[1];
nx = (int)ddim[2];
start[0] = min(hotstep, nt - 1);
start[1] = 0;
start[2] = 0;
count[0] = 1;
count[1] = ny;
count[2] = nx;
}
status = nc_get_vara_float(ncid, varid, start, count, vardata);
if (status != NC_NOERR) handle_error(status);
if (ndims > 1)
{
sferr = nc_get_att_float(ncid, varid, "scale_factor", &scalefac);
oferr = nc_get_att_float(ncid, varid, "add_offset", &offset);
if (sferr == NC_NOERR || oferr == NC_NOERR) // data must be packed
{
for (int j = 0; j < ny; j++)
{
for (int i = 0; i < nx; i++)
{
vardata[i + j*nx] = vardata[i + j*nx] * scalefac + offset;
//unpacked_value = packed_value * scale_factor + add_offset
}
}
}
}
//clean up
free(start);
free(count);
status = nc_close(ncid);
return status;
}
int readvardataD(std::string filename, std::string Varname, int ndims, int hotstep, size_t * ddim, double * vardata)
{
// function to standardise the way to read netCDF data off a file
// The role of this function is to offload and simplify the rest of the code
int nx, ny, nt, status, ncid, varid, sferr, oferr;
size_t * start, *count;
double scalefac, offset;
start = (size_t *)malloc(ndims*sizeof(size_t));
count = (size_t *)malloc(ndims*sizeof(size_t));
//
status = nc_open(filename.c_str(), 0, &ncid);
if (status != NC_NOERR) handle_error(status);
status = nc_inq_varid(ncid, Varname.c_str(), &varid);
if (status != NC_NOERR) handle_error(status);
if (ndims == 1)
{
nx = (int)ddim[0];
start[0] = 0;
count[0] = nx;
}
else if (ndims == 2)
{
ny = (int)ddim[0];
nx = (int)ddim[1];
start[0] = 0;
start[1] = 0;
count[0] = ny;
count[1] = nx;
}
else //(ndim>2)
{
nt = (int)ddim[0];
ny = (int)ddim[1];
nx = (int)ddim[2];
start[0] = min(hotstep, nt - 1);
start[1] = 0;
start[2] = 0;
count[0] = 1;
count[1] = ny;
count[2] = nx;
}
status = nc_get_vara_double(ncid, varid, start, count, vardata);
if (status != NC_NOERR) handle_error(status);
if (ndims > 1)
{
sferr = nc_get_att_double(ncid, varid, "scale_factor", &scalefac);
oferr = nc_get_att_double(ncid, varid, "add_offset", &offset);
if (sferr == NC_NOERR || oferr == NC_NOERR) // data must be packed
{
for (int j = 0; j < ny; j++)
{
for (int i = 0; i < nx; i++)
{
vardata[i + j*nx] = vardata[i + j*nx] * scalefac + offset;
//unpacked_value = packed_value * scale_factor + add_offset
}
}
}
}
//clean up
free(start);
free(count);
status = nc_close(ncid);
return status;
}
int readhotstartfile(Param XParam, int * leftblk, int *rightblk, int * topblk, int* botblk, double * blockxo, double * blockyo, float * &zs, float * &zb, float * &hh, float *&uu, float * &vv)
{
int status, zserror, hherror, uuerror, vverror, zberror, sferr, oferr, xerror, yerror;
int ncid, varid, ndims;
int dimids[NC_MAX_VAR_DIMS]; /* dimension IDs */
int nx, ny, nt;
float * xcoord, *ycoord, * varinfile; // Not necessarily identical to any prevoious ones
float scalefac = 1.0;
float offset = 0.0;
size_t *ddim;
// Open the file for read access
//netCDF::NcFile dataFile(XParam.hotstartfile, NcFile::read);
//Open NC file
printf("Open file...");
status = nc_open(XParam.hotstartfile.c_str(), NC_NOWRITE, &ncid);
if (status != NC_NOERR) handle_error(status);
zberror = nc_inq_varid(ncid, "zb", &varid);
zserror = nc_inq_varid(ncid, "zs", &varid);
hherror = nc_inq_varid(ncid, "hh", &varid);
uuerror = nc_inq_varid(ncid, "uu", &varid);
vverror = nc_inq_varid(ncid, "vv", &varid);
//by default we assume that the x axis is called "xx" but that is not sure "x" shoudl be accepted and so does "lon" for spherical grid
// The folowing section figure out which one is in the file and if none exits with the netcdf error
// default name is "xx"
std::string xvname = "xx";
xerror = nc_inq_varid(ncid, xvname.c_str(), &varid);
if (xerror == -49) // Variable not found
{
xvname = "x";
xerror = nc_inq_varid(ncid, xvname.c_str(), &varid);
if (xerror == -49) // Variable not found
{
xvname = "lon";
xerror = nc_inq_varid(ncid, xvname.c_str(), &varid);
if (xerror != NC_NOERR) handle_error(status);
}
else if (xerror != NC_NOERR) handle_error(status);
}
else if (xerror != NC_NOERR) handle_error(status);
std::string yvname = "yy";
yerror = nc_inq_varid(ncid, xvname.c_str(), &varid);
if (yerror == -49) // Variable not found
{
yvname = "y";
yerror = nc_inq_varid(ncid, xvname.c_str(), &varid);
if (yerror == -49) // Variable not found
{
yvname = "lat";
xerror = nc_inq_varid(ncid, xvname.c_str(), &varid);
if (yerror != NC_NOERR) handle_error(status);
}
else if (yerror != NC_NOERR) handle_error(status);
}
else if (yerror != NC_NOERR) handle_error(status);
status = nc_close(ncid);
// First we should read x and y coordinates
// Just as with other variables we expect the file follow the output naming convention of "xx" and "yy" both as a dimension and a variable
ndims = readvarinfo(XParam.hotstartfile.c_str(), xvname.c_str(), ddim);
nx = ddim[0];
xcoord = (float *)malloc(ddim[0]*sizeof(float)); /// Warning here we assume xx is 1D but may not be in the future
status = readvardata(XParam.hotstartfile.c_str(), xvname.c_str(), ndims, 0, ddim, xcoord);
if (status != NC_NOERR) handle_error(status);
free(ddim);
//Now read y coordinates
ndims = readvarinfo(XParam.hotstartfile.c_str(), yvname.c_str(), ddim);
ny = ddim[0];
ycoord = (float *)malloc(ddim[0] * sizeof(float)); /// Warning here we assume xx is 1D but may not be in the future
status = readvardata(XParam.hotstartfile.c_str(), yvname.c_str(), ndims, 0, ddim, ycoord);
if (status != NC_NOERR) handle_error(status);
free(ddim);
//printf("xcoord[0]=%f, ycoord[0]=%f\n", xcoord[0], ycoord[0]);
// Allocate var in file to temporarily store the variable stored
varinfile = (float *)malloc(nx*ny * sizeof(float));
//first check if hotstart has zb
printf("Found variables: ");
if (zberror == NC_NOERR)
{
printf("zb... ");
//zb is set
ndims = readvarinfo(XParam.hotstartfile.c_str(), "zb", ddim);
status = readvardata(XParam.hotstartfile.c_str(), "zb", ndims, 0, ddim, varinfile);
if (status != NC_NOERR) handle_error(status);
//printf("dim:%d=%d\n", iddim, ddimhh[iddim]);
interp2BUQ(XParam.nblk, XParam.blksize, XParam.dx, blockxo_d, blockyo_d, nx, ny, xcoord[0], xcoord[nx-1], ycoord[0], ycoord[ny-1], (xcoord[nx-1] - xcoord[0]) / (nx - 1), varinfile, zb);
//carttoBUQ(XParam.nblk, XParam.nx, XParam.ny, XParam.xo, XParam.yo, XParam.dx, blockxo, blockyo, dummy, zb);
//because we set the edges around empty blocks we need the set the edges for zs too
// otherwise we create some gitantic waves at the edges of empty blocks
setedges(XParam.nblk, leftblk, rightblk, topblk, botblk, zb);
//status = nc_get_var_float(ncid, varid, zb);
free(ddim);
}
// second check if zs or hh are in teh file
//zs Section
if (zserror == NC_NOERR)
{
printf(" zs... ");
ndims = readvarinfo(XParam.hotstartfile.c_str(), "zs", ddim);
status = readvardata(XParam.hotstartfile.c_str(), "zs", ndims, 0, ddim, varinfile);
if (status != NC_NOERR) handle_error(status);
//printf("dim:%d=%d\n", iddim, ddimhh[iddim]);
//printf("zs hotstartfile[1407,435]=%f\n", varinfile[1407+435*nx]);
//printf("xcoord[0]=%f \t xcoord[nx]=%f \t dx=%f \t nx=%d\n",xcoord[0],xcoord[nx],(xcoord[nx] - xcoord[0]) / (nx - 1),nx);
interp2BUQ(XParam.nblk, XParam.blksize, XParam.dx, blockxo_d, blockyo_d, nx, ny, xcoord[0], xcoord[nx-1], ycoord[0], ycoord[ny-1], (xcoord[nx-1] - xcoord[0]) / (nx - 1), varinfile, zs);
//printf("zs interpolated[ 8 + 8 * 16 + 9000 * blksize]=%f\n", zs[0]);
//printf("zs hotstartfile[1407,435]=%f\n", zs[1407 + 435 * nx]);
//carttoBUQ(XParam.nblk, XParam.nx, XParam.ny, XParam.xo, XParam.yo, XParam.dx, blockxo, blockyo, dummy, zs);
//because we set the edges around empty blocks we need the set the edges for zs too
// otherwise we create some gitantic waves at the edges of empty blocks
setedges(XParam.nblk, leftblk, rightblk, topblk, botblk, zs);
//check sanity
for (int bl = 0; bl < XParam.nblk; bl++)
{
for (int j = 0; j < 16; j++)
{
for (int i = 0; i < 16; i++)
{
int n = i + j * 16 + bl * 256;
zs[n] = max(zs[n], zb[n]);
//unpacked_value = packed_value * scale_factor + add_offset
}
}
}
//status = nc_get_var_float(ncid, varid, zb);
free(ddim);
}
else
{
if (zserror == -49)
{
//Variable not found
//It's ok if hh is specified
printf("zs not found in hotstart file. Looking for hh... ");
}
else
{
handle_error(zserror);
}
}
//hh section
if (hherror == NC_NOERR)
{
printf("hh... ");
ndims = readvarinfo(XParam.hotstartfile.c_str(), "hh", ddim);
status = readvardata(XParam.hotstartfile.c_str(), "hh", ndims, 0, ddim, varinfile);
if (status != NC_NOERR) handle_error(status);
//printf("dim:%d=%d\n", iddim, ddimhh[iddim]);
interp2BUQ(XParam.nblk, XParam.blksize, XParam.dx, blockxo_d, blockyo_d, nx, ny, xcoord[0], xcoord[nx-1], ycoord[0], ycoord[ny-1], (xcoord[nx-1] - xcoord[0]) / (nx - 1), varinfile, hh);
//carttoBUQ(XParam.nblk, XParam.nx, XParam.ny, XParam.xo, XParam.yo, XParam.dx, blockxo, blockyo, dummy, hh);
//because we set the edges around empty blocks we need the set the edges for zs too
// otherwise we create some gitantic waves at the edges of empty blocks
setedges(XParam.nblk, leftblk, rightblk, topblk, botblk, hh);
//if zs was not specified
if (zserror == -49)
{
for (int bl = 0; bl < XParam.nblk; bl++)
{
for (int j = 0; j < 16; j++)
{
for (int i = 0; i < 16; i++)
{
int n = i + j * 16 + bl * 256;
zs[n] = zb[n] + hh[n];
}
}
}
}
free(ddim);
}
else
{
if (zserror == -49 && hherror == -49)
{
//Variable not found
//It's ok if hh is specified
printf("neither zs nor hh were found in hotstart file. this is not a valid hotstart file. using a cold start instead");
return 0;
}
else
{
//hherror ==-49
for (int bl = 0; bl < XParam.nblk; bl++)
{
for (int j = 0; j < 16; j++)
{
for (int i = 0; i < 16; i++)
{
int n = i + j * 16 + bl * 256;
hh[n] = max(zs[n] - zb[n],(float) XParam.eps);
}
}
}
}
}
//uu Section
if (uuerror == NC_NOERR)
{
printf("uu... ");
ndims = readvarinfo(XParam.hotstartfile.c_str(), "uu", ddim);
status = readvardata(XParam.hotstartfile.c_str(), "uu", ndims, 0, ddim, varinfile);
if (status != NC_NOERR) handle_error(status);
//printf("dim:%d=%d\n", iddim, ddimhh[iddim]);
interp2BUQ(XParam.nblk, XParam.blksize, XParam.dx, blockxo_d, blockyo_d, nx, ny, xcoord[0], xcoord[nx-1], ycoord[0], ycoord[ny-1], (xcoord[nx-1] - xcoord[0]) / (nx - 1), varinfile, uu);
//carttoBUQ(XParam.nblk, XParam.nx, XParam.ny, XParam.xo, XParam.yo, XParam.dx, blockxo, blockyo, dummy, uu);
free(ddim);
}
else
{
if (uuerror == -49)
{
for (int bl = 0; bl < XParam.nblk; bl++)
{
for (int j = 0; j < 16; j++)
{
for (int i = 0; i < 16; i++)
{
int n = i + j * 16 + bl * 256;
uu[n] = 0.0f;
}
}
}
}
else
{
handle_error(uuerror);
}
}
//vv section
if (vverror == NC_NOERR)