Geostat_grid* Csv_grid_infilter::read( std::ifstream& infile ) {
int nx = dialog_->nx();
int ny = dialog_->ny();
int nz = dialog_->nz();
float x_size = dialog_->x_size();
float y_size = dialog_->y_size();
float z_size = dialog_->z_size();
float Ox = dialog_->Ox();
float Oy = dialog_->Oy();
float Oz = dialog_->Oz();
bool use_no_data_value = dialog_->use_no_data_value();
float no_data_value = GsTLGridProperty::no_data_value;
QString no_data_value_str = QString().arg(no_data_value);
if( dialog_->use_no_data_value() ) {
no_data_value = dialog_->no_data_value();
no_data_value_str = QString::number(no_data_value);
}
QByteArray tmp = dialog_->name().simplified().toLatin1();
std::string name( tmp.constData() );
// ask manager to get a new grid and initialize it
SmartPtr<Named_interface> ni =
Root::instance()->interface( gridModels_manager + "/" + name );
if( ni.raw_ptr() != 0 ) {
GsTLcerr << "object " << name << " already exists\n" << gstlIO::end;
return 0;
}
appli_message( "creating new grid '" << name << "'"
<< " of dimensions: " << nx << "x" << ny << "x" << nz);
ni = Root::instance()->new_interface( "cgrid",
gridModels_manager + "/" + name );
Cartesian_grid* grid = dynamic_cast<Cartesian_grid*>( ni.raw_ptr() );
appli_assert( grid != 0 );
grid->set_dimensions( nx, ny, nz,
x_size, y_size, z_size);
grid->origin( GsTLPoint( Ox,Oy,Oz) );
appli_message( "grid resized to " << nx << "x" << ny << "x" << nz
<< " total=: " << grid->size() );
std::string buffer;
//-------------------------
// now, read the file
std::getline( infile, buffer, '\n');
QStringList property_names = QString(buffer.c_str()).split(",");
//Read one column at a time
std::streampos start_data = infile.tellg();
for(unsigned int j = 0; j< property_names.size(); j++) {
infile.clear();
infile.seekg( start_data );
// Check if property j is categorical
bool is_categ = false;
for(unsigned int i=0; i<30 ; i++ ) {
bool ok;
if( std::getline(infile, buffer) ) break;
QString qstr(buffer.c_str());
QStringList values_str = qstr.split(",");
values_str[j].toFloat(&ok);
if(!ok) {
is_categ = true;
break;
}
}
infile.clear();
infile.seekg( start_data );
if(is_categ) {
GsTLGridCategoricalProperty* prop =
grid->add_categorical_property(property_names[j].toStdString());
ni = Root::instance()->new_interface( categoricalDefinition_manager, name+"-"+property_names[j].toStdString());
CategoricalPropertyDefinitionName* cat_def =
dynamic_cast<CategoricalPropertyDefinitionName*>(ni.raw_ptr());
while( std::getline(infile, buffer) ) {
QString qstr(buffer.c_str());
QStringList values_qstr = qstr.split(",");
cat_def->add_category(values_qstr[j].toStdString());
}
prop->set_category_definition(cat_def->name());
infile.clear();
infile.seekg( start_data );
int node_id=0;
while( std::getline(infile, buffer) ) {
QString qstr(buffer.c_str());
QStringList values_qstr = qstr.split(",");
QString val = values_qstr[j];
if(use_no_data_value && val == no_data_value_str) {
prop->set_value( GsTLGridProperty::no_data_value, node_id );
}
else {
prop->set_value( val.toStdString(), node_id );
}
node_id++;
}
}
else {
GsTLGridProperty* prop =
grid->add_property(property_names[j].toStdString());
int node_id=0;
while( std::getline(infile, buffer) ) {
QString qstr(buffer.c_str());
QStringList values_qstr = qstr.split(",");
if(!values_qstr[j].isEmpty()) {
bool ok;
float val = values_qstr[j].toFloat(&ok);
if(ok && val != no_data_value) prop->set_value(val,node_id);
}
node_id++;
}
}
}
return grid;
}
