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/***********************************************/
/**
* @file netCdfInfo.cpp
*
* @brief Content information of a NetCDF file.
*
* @author Torsten Mayer-Guerr
* @date 2020-09-03
*/
/***********************************************/
// Latex documentation
#define DOCSTRING docstring
static const char *docstring = R"(
Print content information of a NetCDF file like
dimensions, variables and attributes.
See also \program{NetCdf2GriddedData}, \program{NetCdf2GriddedDataTimeSeries},
\program{GriddedData2NetCdf}, \program{GriddedDataTimeSeries2NetCdf}.
)";
/***********************************************/
#include "programs/program.h"
#include "inputOutput/fileNetCdf.h"
/***** CLASS ***********************************/
/** @brief Content information of a NetCDF file.
* @ingroup programsConversionGroup */
class NetCdfInfo
{
public:
void run(Config &config, Parallel::CommunicatorPtr comm);
};
GROOPS_REGISTER_PROGRAM(NetCdfInfo, SINGLEPROCESS, "Content information of a NetCDF file", Conversion)
/***********************************************/
void NetCdfInfo::run(Config &config, Parallel::CommunicatorPtr /*comm*/)
{
try
{
FileName fileNameIn;
readConfig(config, "inputfileNetCdf", fileNameIn, Config::MUSTSET, "", "");
if(isCreateSchema(config)) return;
#ifdef GROOPS_DISABLE_NETCDF
throw(Exception("Compiled without NetCDF library"));
#else
// open netCDF file
// ----------------
logStatus<<"read netCDF file <"<<fileNameIn<<">"<<Log::endl;
NetCdf::InFile file(fileNameIn);
logInfo<<" global attributes:"<<Log::endl;
auto attributes = file.attributes();
for(auto &attr : attributes)
logInfo<<" - "<<attr.name()<<" = "<<attr.value()<<Log::endl;
logInfo<<" dimensions:"<<Log::endl;
auto dimensions = file.dimensions();
for(auto &dim : dimensions)
logInfo<<" - "<<dim.name()<<" = "<<dim.length()<<Log::endl;
auto variables = file.variables();
for(auto &var : variables)
{
std::stringstream ss;
auto dimensions = var.dimensions();
if(dimensions.size())
{
ss<<" variable: "<<var.name()<<"(";
ss<<dimensions.at(0).name();
for(UInt i=1; i<dimensions.size(); i++)
ss<<", "<<dimensions.at(i).name();
ss<<")";
}
else
ss<<" - "<<var.name();
logInfo<<ss.str()<<Log::endl;
auto attributes = var.attributes();
for(auto &attr : attributes)
logInfo<<" - "<<attr.name()<<" value = "<<attr.value()<<Log::endl;
}
#endif
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
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