void NRLib::ReadStormBinarySurf(const std::string & filename,
RegularSurface<A> & surface)
{
std::ifstream file;
OpenRead(file, filename.c_str(), std::ios::in | std::ios::binary);
int line = 0;
// Header
try {
std::string token = ReadNext<std::string>(file, line);
if (token != "STORMGRID_BINARY") {
throw FileFormatError("Error reading " + filename + ", file is not "
"in STORM binary format.");
}
int ni = ReadNext<int>(file, line);
int nj = ReadNext<int>(file, line);
double dx = ReadNext<double>(file, line);
double dy = ReadNext<double>(file, line);
double x_min = ReadNext<double>(file, line);
double x_max = ReadNext<double>(file, line);
double y_min = ReadNext<double>(file, line);
double y_max = ReadNext<double>(file, line);
double lx = x_max - x_min;
double ly = y_max - y_min;
if (!NRLibPrivate::Equal(lx/(ni-1), dx)) {
throw FileFormatError("Inconsistent data in file. dx != lx/(nx-1).");
}
if (!NRLibPrivate::Equal(ly/(nj-1), dy)) {
throw FileFormatError("Inconsistent data in file. dy != ly/(ny-1).");
}
surface.Resize(ni, nj);
surface.SetDimensions(x_min, y_min, lx, ly);
DiscardRestOfLine(file, line, true);
ReadBinaryDoubleArray(file, surface.begin(), surface.GetN());
surface.SetMissingValue(static_cast<A>(STORM_MISSING));
if (!CheckEndOfFile(file)) {
throw FileFormatError("File too long.");
}
surface.SetName(GetStem(filename));
}
catch (EndOfFile& ) {
throw FileFormatError("Unexcpected end of file found while parsing "
" \"" + filename + "\"");
}
catch (Exception& e) {
throw FileFormatError("Error parsing \"" + filename + "\" as a "
"STORM surface file at line " + ToString(line) + ":" + e.what() + "\n");
}
}
void NRLib::ReadSgriSurf(const std::string & filename,
RegularSurface<A> & surface,
double & angle)
{
std::ifstream header_file;
OpenRead(header_file, filename.c_str(), std::ios::in | std::ios::binary);
int i;
std::string tmp_str;
int dim;
try {
//Reading record 1: Version header
getline(header_file, tmp_str);
//Reading record 2: Grid dimension
header_file >> dim;
if(dim!=2)
throw Exception("Wrong dimension of Sgri file. We expect a surface, dimension should be 2.\n");
getline(header_file, tmp_str);
//Reading record 3 ... 3+dim: Axis labels + grid value label
std::vector<std::string> axis_labels(dim);
for (i=0; i<dim; i++)
getline(header_file, axis_labels[i]);
if (((axis_labels[0].find("X") == std::string::npos) && (axis_labels[0].find("x") == std::string::npos)) ||
((axis_labels[1].find("Y") == std::string::npos) && (axis_labels[1].find("y") == std::string::npos)))
throw Exception("Wrong axis labels. First axis should be x-axis, second axis should be y-axis.\n");
// if((axis_labels[0]!="X" && axis_labels[0] !="x") || (axis_labels[1]!="Y" && axis_labels[1]!="y"))
// throw Exception("Wrong axis labels. First axis should be x-axis, second axis should be y-axis.\n");
getline(header_file, tmp_str);
//int config = IMISSING;
//Reading record 4+dim: Number of grids
int n_grid;
header_file >> n_grid;
if (n_grid < 1) {
throw Exception("Error: Number of grids read from sgri file must be >0");
}
getline(header_file, tmp_str);
//Reading record 5+dim ... 5+dim+ngrid-1: Grid labels
for (i=0; i<n_grid; i++)
getline(header_file, tmp_str);
std::vector<float> d_values1(dim);
std::vector<float> d_values2(dim);
std::vector<int> i_values(dim);
//Reading record 5+dim+ngrid: Scaling factor of grid values
for (i=0; i<dim; i++)
header_file >> d_values1[i];
getline(header_file,tmp_str);
//Reading record 6+dim+ngrid: Number of samples in each dir.
for (i=0; i<dim; i++)
header_file >> i_values[i];
getline(header_file,tmp_str);
//Reading record 7+dim+ngrid: Grid sampling in each dir.
for (i=0; i<dim; i++) {
header_file >> d_values2[i];
}
getline(header_file,tmp_str);
//Reading record 8+dim+ngrid: First point coord.
std::vector<float> min_values(dim);
for (i=0; i<dim; i++)
{
header_file >> min_values[i];
}
int nx = 1;
int ny = 1;
double dx, dy;
nx = i_values[0];
dx = d_values2[0];
ny = i_values[1];
dy = d_values2[1];
if (nx < 1) {
throw Exception("Error: Number of samples in X-dir must be >= 1.\n");
}
if (ny < 1) {
throw Exception("Error: Number of samples in Y-dir must be >= 1.\n");
}
if (dx <= 0.0) {
throw Exception("Error: Grid sampling in X-dir must be > 0.0.\n");
}
if (dy <= 0.0) {
throw Exception("Error: Grid sampling in Y-dir must be > 0.0.\n");
}
double lx = nx*dx;
double ly = ny*dy;
double x_min = min_values[0]-0.5*dx; //In regular grid, these are at value;
double y_min = min_values[1]-0.5*dy; //in sgri, at corner of cell, hence move.
header_file >> angle;
surface.Resize(nx, ny, 0.0);
surface.SetDimensions(x_min, y_min, lx, ly);
getline(header_file, tmp_str);
//Reading record 10+dim+ngrid: Undef value
float missing_code;
header_file >> missing_code;
surface.SetMissingValue(missing_code);
getline(header_file, tmp_str);
//Reading record 11+dim+ngrid: Filename of binary file
std::string bin_file_name;
getline(header_file, tmp_str);
if (!tmp_str.empty()) {
std::locale loc;
int i = 0;
char c = tmp_str[i];
while (!std::isspace(c,loc)) {
i++;
c = tmp_str[i];
}
tmp_str.erase(tmp_str.begin()+i, tmp_str.end());
}
if (tmp_str.empty())
bin_file_name = NRLib::ReplaceExtension(filename, "Sgri");
else {
std::string path = GetPath(filename);
bin_file_name = path + "/" + tmp_str;
}
//Reading record 12+dim+ngrid: Complex values
bool has_complex;
header_file >> has_complex;
if (has_complex != 0 ) {
throw Exception("Error: Can not read Sgri binary file. Complex values?");
}
surface.SetName(GetStem(bin_file_name));
std::ifstream bin_file;
OpenRead(bin_file, bin_file_name, std::ios::in | std::ios::binary);
ReadBinaryFloatArray(bin_file, surface.begin(), surface.GetN());
}
catch (Exception& e) {
throw FileFormatError("Error parsing \"" + filename + "\" as a "
"Sgri surface file " + e.what() + "\n");
}
}
void NRLib::ReadIrapClassicAsciiSurf(const std::string & filename,
RegularSurface<A> & surface,
double & angle)
{
std::ifstream file;
OpenRead(file, filename);
int line = 0;
// Header
try {
ReadNext<int>(file, line); // -996
int nj = ReadNext<int>(file, line);
double dx = ReadNext<double>(file, line);
double dy = ReadNext<double>(file, line);
// ----------- line shift --------------
double x_min = ReadNext<double>(file, line);
double x_max = ReadNext<double>(file, line);
double y_min = ReadNext<double>(file, line);
double y_max = ReadNext<double>(file, line);
// ----------- line shift --------------
int ni = ReadNext<int>(file, line);
angle = ReadNext<double>(file, line);
angle = NRLib::Degree*angle;
ReadNext<double>(file, line); // rotation origin - x
ReadNext<double>(file, line); // rotation origin - y
// ----------- line shift --------------
ReadNext<int>(file, line);
ReadNext<int>(file, line);
ReadNext<int>(file, line);
ReadNext<int>(file, line);
ReadNext<int>(file, line);
ReadNext<int>(file, line);
ReadNext<int>(file, line);
//double lx = (ni-1)*dx;
//double ly = (nj-1)*dy;
double lx = (x_max - x_min)*cos(angle);
double ly = (y_max - y_min)*cos(angle);
if (!NRLibPrivate::Equal(lx/(ni-1), dx)) {
std::string text = "Inconsistent data in file. dx != lx/(nx-1).\n";
text += "dx = "+NRLib::ToString(dx,2)+"\n";
text += "lx = "+NRLib::ToString(lx,2)+"\n";
text += "nx = "+NRLib::ToString(ni,0)+"\n";
text += "lx/(nx-1) = "+NRLib::ToString(lx/(ni - 1),2);
throw FileFormatError(text);
}
if (!NRLibPrivate::Equal(ly/(nj-1), dy)) {
std::string text = "Inconsistent data in file. dy != ly/(ny-1).\n";
text += "dy = "+NRLib::ToString(dy,2)+"\n";
text += "ly = "+NRLib::ToString(ly,2)+"\n";
text += "ny = "+NRLib::ToString(nj,0)+"\n";
text += "ly/(ny-1) = "+NRLib::ToString(ly/(nj - 1),2);
throw FileFormatError(text);
}
surface.Resize(ni, nj);
surface.SetDimensions(x_min, y_min, lx, ly);
ReadAsciiArrayFast(file, surface.begin(), surface.GetN());
surface.SetMissingValue(static_cast<A>(IRAP_MISSING));
surface.SetName(GetStem(filename));
if (!CheckEndOfFile(file)) {
throw FileFormatError("File too long.");
}
}
catch (EndOfFile& ) {
throw FileFormatError("Unexcpected end of file found while parsing "
" \"" + filename + "\"");
}
catch (Exception& e) {
throw FileFormatError("Error parsing \"" + filename + "\" as a "
"IRAP ASCII surface file at line " + ToString(line) + ":" + e.what() + "\n");
}
}