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C++ HDF5Dataset类代码示例

本文整理汇总了C++中HDF5Dataset类的典型用法代码示例。如果您正苦于以下问题：C++ HDF5Dataset类的具体用法？C++ HDF5Dataset怎么用？C++ HDF5Dataset使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了HDF5Dataset类的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: EQUAL

HDF5GroupObjects* HDF5Dataset::HDF5FindDatasetObjects
    ( HDF5GroupObjects *poH5Objects, const char* pszDatasetName )
{
    int i;
    HDF5Dataset *poDS;
    HDF5GroupObjects *poObjectsFound;
    poDS=this;
    
    if( poH5Objects->nType == H5G_DATASET &&
       EQUAL( poH5Objects->pszName,pszDatasetName ) )	{
	    /*      printf("found it! %ld\n",(long) poH5Objects);*/
	    return( poH5Objects );
	}
    
    if( poH5Objects->nbObjs >0 )
	for( i=0; i <poH5Objects->nbObjs; i++ )   {
	    poObjectsFound=
		poDS->HDF5FindDatasetObjects( poH5Objects->poHchild+i, 
					      pszDatasetName );
/* -------------------------------------------------------------------- */
/*      Is this our dataset??                                           */
/* -------------------------------------------------------------------- */
	    if( poObjectsFound != NULL ) return( poObjectsFound );
	    
	}
/* -------------------------------------------------------------------- */
/*      Dataset has not been found!                                     */
/* -------------------------------------------------------------------- */
    return( NULL );
    
}
开发者ID:dlsyaim，项目名称:osgEarthX，代码行数:31，代码来源:hdf5dataset.cpp

示例2: EQUAL

HDF5GroupObjects *
HDF5Dataset::HDF5FindDatasetObjects( HDF5GroupObjects *poH5Objects,
                                     const char *pszDatasetName )
{
    if( poH5Objects->nType == H5G_DATASET &&
        EQUAL(poH5Objects->pszName, pszDatasetName) )
    {

#ifdef DEBUG_VERBOSE
        printf("found it! %p\n", poH5Objects); /*ok*/
#endif
        return poH5Objects;
    }

    HDF5Dataset *poDS = this;

    if( poH5Objects->nbObjs > 0 )
    {
        for( unsigned int i = 0; i <poH5Objects->nbObjs; i++ )
        {
            HDF5GroupObjects *poObjectsFound = poDS->HDF5FindDatasetObjects(
                poH5Objects->poHchild + i, pszDatasetName);
            // Is this our dataset?
            if( poObjectsFound != nullptr )
                return poObjectsFound;
        }
    }

    // Dataset has not been found.
    return nullptr;
}
开发者ID:ksshannon，项目名称:gdal，代码行数:31，代码来源:hdf5dataset.cpp

示例3: WriteAttribute

// writing attribute to the file
void WriteAttribute( RString& rFilename, 
			   RString& rPath, 
			   RVector<int> rIntdata,
			   RVector<double> rDoubledata,
			   RString rStrdata,
			   vector<STLTypes::NameValuePair>& inAttributes, SEXP& results)
{
	HDF5DA da(rFilename.Data(0),StringUtils::CompareNoCase(ExtractAttribute(inAttributes,NEWFILE),"true"));
	HDF5OutputConverter oc;
	string strPath(rPath.Data(0));

	// read the compress level
	string compressStr = ExtractAttribute(inAttributes,COMPRESSLEVEL);
	int compressedLevel = 0;
	if ((compressStr.size()>0))
		compressedLevel = atoi(compressStr.c_str());

	// the dimension of the data to be read
	string strRow = ExtractAttribute(inAttributes,ROW);
	string strCol = ExtractAttribute(inAttributes,COL);
	size_t row=0;
	size_t col=0;
	if ((strRow.size()>0) && (strCol.size()>0))
	{
		row = atoi(strRow.c_str());
		col = atoi(strCol.c_str());
	}

	string::size_type index = strPath.find_last_of('/');
	if((index == string::npos  )||(index==0))
		throw RException("Attribute can only be directly under an existing dataset or group.");

	string parent = strPath.substr(0,index);
	string attr = strPath.substr(index+1,string::npos);
	
	// are we going to overwrite an existing attribute
	bool overwrite = StringUtils::CompareNoCase(ExtractAttribute(inAttributes,OVERWRITE),"true");
	
	if(rIntdata.Size()>0)
	{
		// obtain the data from input
		rIntdata.Dimensions(row,col);
		Matrix<int> intdata;
		rIntdata.Extract(intdata);
		if(CheckDataset(da,parent))
		{
			HDF5Dataset ds = da.OpenDatasetByFullPath(parent);
			if (overwrite)
				ds.DeleteAttribute(attr);

			ds.CreateAttribute(attr,intdata, compressedLevel);
		}
		else if(CheckGroup(da,parent))
		{
			HDF5Group gp = da.OpenGroupByFullPath(parent);
			if (overwrite)
				gp.DeleteAttribute(attr);
			gp.CreateAttribute(attr,intdata, compressedLevel);
		}
		else
			throw RException("Attribute can only be directly under an existing dataset or group.");
	}
	else if(rDoubledata.Size()>0)
	{
		// obtain the data from input
		rDoubledata.Dimensions(row,col);
		Matrix<double> doubledata;
		rDoubledata.Extract(doubledata);
		if(CheckDataset(da,parent))
		{
			HDF5Dataset ds = da.OpenDatasetByFullPath(parent);
			if (overwrite)
				ds.DeleteAttribute(attr);

			ds.CreateAttribute(attr,doubledata, compressedLevel);
		}
		else if(CheckGroup(da,parent))
		{
			HDF5Group gp = da.OpenGroupByFullPath(parent);
			if (overwrite)
				gp.DeleteAttribute(attr);

			gp.CreateAttribute(attr,doubledata, compressedLevel);
		}
		else
			throw RException("Attribute can only be directly under an existing dataset or group.");
	}
	else if(rStrdata.Size()>0)
	{
		// obtain the data from input
		rStrdata.Dimensions(row,col);
		Matrix<string> strdata;
		rStrdata.Extract(strdata,row,col);
		if(CheckDataset(da,parent))
		{
			HDF5Dataset ds = da.OpenDatasetByFullPath(parent);
			if (overwrite)
				ds.DeleteAttribute(attr);

//.........这里部分代码省略.........
开发者ID:MattNapsAlot，项目名称:bat，代码行数:101，代码来源:HDF5_entry.cpp

示例4: ReadData

// Read data from file
void ReadData( RString& rFilename, 
			   RString& rPath, 
			   vector<STLTypes::NameValuePair>& inAttributes, SEXP& results)
{
	HDF5DA da(rFilename.Data(0),false);
	HDF5OutputConverter oc;
	string strPath(rPath.Data(0));

	// check if this is a valid dataset
	vector<string> dasummary=da.GetDatasetNamesFullPath();
	bool isDataset = (find( dasummary.begin( ), dasummary.end( ), strPath)!=dasummary.end( ));
	if(!isDataset)
		throw RException("path - "+strPath+" is not dataset.");

	HDF5Dataset ds = da.OpenDatasetByFullPath(strPath);

 	string startStr = ExtractAttribute(inAttributes,STARTINDEX);
	string nrowsStr = ExtractAttribute(inAttributes,NROWS);
	size_t start=0;
	size_t nRows=ds.NumberOfRows();
	// if only start index is supplied, we need to figure out the nrows.
	if ((startStr.size()>0)) 
	{
		start = atoi(startStr.c_str());
		nRows = nRows-start;
	}
	// nrows is supplied as well
	if (nrowsStr.size()>0)
		nRows = atoi(nrowsStr.c_str());

	switch (ds.GetDataType())
	{
		case HDF5DataType::CHAR:{
			Matrix<char> data;
			da.ReadDataByFullPath(strPath, start, nRows, data);
			results=oc.ConvertIntMatrix(data);
			break;}
		case HDF5DataType::INT:{
			Matrix<int> data;
			da.ReadDataByFullPath(strPath, start, nRows, data);
			results=oc.ConvertIntMatrix(data);
			break;}
		case HDF5DataType::INT64:{
			Matrix<__int64> data;
			da.ReadDataByFullPath(strPath, start, nRows, data);
			results=oc.ConvertDoubleMatrix(data);
			break;}
		case HDF5DataType::FLOAT:{
			Matrix<float> data;
			da.ReadDataByFullPath(strPath, start, nRows, data);
			results=oc.ConvertDoubleMatrix(data);
			break;}
		case HDF5DataType::DOUBLE:{
			Matrix<double> data;  
			da.ReadDataByFullPath(strPath, start, nRows, data);
			results=oc.ConvertDoubleMatrix(data);
			break;}
		case HDF5DataType::STRING:{
			Matrix<string> data;
			da.ReadDataByFullPath(strPath, start, nRows, data);
			results=oc.ConvertStrMatrix(data);
			break;}
		case HDF5DataType::COMPOUND:{
			HDF5CompoundType data;
			da.ReadDataByFullPath(strPath, start, nRows, data);
			results=oc.ConvertCompoundType(data);
			break;}
		default:
			throw RException("Unknown data type");
		}
}
开发者ID:MattNapsAlot，项目名称:bat，代码行数:72，代码来源:HDF5_entry.cpp

示例5: if

CPLErr HDF5Dataset::HDF5ListGroupObjects( HDF5GroupObjects *poRootGroup,
					  int bSUBDATASET )
{
    int i;
    char szTemp[8192];
    char szDim[8192];
    HDF5Dataset *poDS;
    poDS=this;
    
    if( poRootGroup->nbObjs >0 )  
	for( i=0; i < poRootGroup->nbObjs; i++ ) {
	    poDS->HDF5ListGroupObjects( poRootGroup->poHchild+i, bSUBDATASET );
	}
    

    if( poRootGroup->nType == H5G_GROUP ) {
	CreateMetadata( poRootGroup, H5G_GROUP );
    }

/* -------------------------------------------------------------------- */
/*      Create Sub dataset list                                         */
/* -------------------------------------------------------------------- */
    if( (poRootGroup->nType == H5G_DATASET ) && bSUBDATASET 
        && poDS->GetDataType( poRootGroup->native ) == GDT_Unknown )
    {
        CPLDebug( "HDF5", "Skipping unsupported %s of type %s", 
                  poRootGroup->pszUnderscorePath, 
                  poDS->GetDataTypeName( poRootGroup->native ) );
    }
    else if( (poRootGroup->nType == H5G_DATASET ) && bSUBDATASET ) 
    {
	szDim[0]='\0';
	switch( poRootGroup->nRank ) {
	case 3: 
	    sprintf( szTemp,"%dx%dx%d",
		    (int)poRootGroup->paDims[0],
		    (int)poRootGroup->paDims[1],
		    (int)poRootGroup->paDims[2] );
	    break;
	    
  	case 2: 
	    sprintf( szTemp,"%dx%d",
		    (int)poRootGroup->paDims[0],
		    (int)poRootGroup->paDims[1] );
	  break;
        default:
	    return CE_None;
	    
	}
	strcat( szDim,szTemp );
	
	sprintf( szTemp, "SUBDATASET_%d_NAME", ++(poDS->nSubDataCount) );

	poDS->papszSubDatasets =
	    CSLSetNameValue( poDS->papszSubDatasets, szTemp,
			    CPLSPrintf( "HDF5:\"%s\":%s",
					poDS->GetDescription(),
					poRootGroup->pszUnderscorePath ) );
	
	sprintf(  szTemp, "SUBDATASET_%d_DESC", poDS->nSubDataCount );
	
	poDS->papszSubDatasets =
	    CSLSetNameValue( poDS->papszSubDatasets, szTemp,
			    CPLSPrintf( "[%s] %s (%s)", 
					szDim,
					poRootGroup->pszUnderscorePath,
					poDS->GetDataTypeName
					( poRootGroup->native ) ) );

    }
    
    return CE_None;
}
开发者ID:dlsyaim，项目名称:osgEarthX，代码行数:73，代码来源:hdf5dataset.cpp

示例6: HDF5Dataset

GDALDataset *HDF5Dataset::Open( GDALOpenInfo * poOpenInfo )
{
    HDF5Dataset *poDS;
    CPLErr      Err;
    
    if( !Identify( poOpenInfo ) )
        return NULL;

/* -------------------------------------------------------------------- */
/*      Create datasource.                                              */
/* -------------------------------------------------------------------- */
    poDS = new HDF5Dataset();

    poDS->SetDescription( poOpenInfo->pszFilename );

/* -------------------------------------------------------------------- */
/*      Try opening the dataset.                                        */
/* -------------------------------------------------------------------- */
    poDS->hHDF5 = H5Fopen( poOpenInfo->pszFilename, 
			   H5F_ACC_RDONLY, 
			   H5P_DEFAULT );
    if( poDS->hHDF5 < 0 )  {
        delete poDS;
   	return NULL;
    }
    
    poDS->hGroupID = H5Gopen( poDS->hHDF5, "/" ); 
    if( poDS->hGroupID < 0 ){
	poDS->bIsHDFEOS=false;
        delete poDS;
	return NULL;
    }
    
    poDS->bIsHDFEOS=true;
    Err = poDS->ReadGlobalAttributes( true );

    poDS->SetMetadata( poDS->papszMetadata  );
    
    if ( CSLCount( poDS->papszSubDatasets ) / 2 >= 1 )
        poDS->SetMetadata( poDS->papszSubDatasets, "SUBDATASETS" );

    // Make sure we don't try to do any pam stuff with this dataset.
    poDS->nPamFlags |= GPF_NOSAVE;

/* -------------------------------------------------------------------- */
/*      If we have single subdataset only, open it immediately          */
/* -------------------------------------------------------------------- */
    int nSubDatasets = CSLCount( poDS->papszSubDatasets ) / 2;
    if( nSubDatasets == 1 )
    {
        CPLString osDSName = CSLFetchNameValue( poDS->papszSubDatasets,
                                                "SUBDATASET_1_NAME" );
        delete poDS;
        return (GDALDataset *) GDALOpen( osDSName, poOpenInfo->eAccess );
    }
    else
    {
/* -------------------------------------------------------------------- */
/*      Confirm the requested access is supported.                      */
/* -------------------------------------------------------------------- */
        if( poOpenInfo->eAccess == GA_Update )
        {
            delete poDS;
            CPLError( CE_Failure, CPLE_NotSupported, 
                      "The HDF5 driver does not support update access to existing"
                      " datasets.\n" );
            return NULL;
        }
    }
    return( poDS );
}
开发者ID:dlsyaim，项目名称:osgEarthX，代码行数:71，代码来源:hdf5dataset.cpp

示例7: if

CPLErr HDF5Dataset::HDF5ListGroupObjects( HDF5GroupObjects *poRootGroup,
                                          int bSUBDATASET )
{
    HDF5Dataset *poDS = this;

    if( poRootGroup->nbObjs > 0 )
        for( hsize_t i = 0; i < poRootGroup->nbObjs; i++ )
        {
            poDS->HDF5ListGroupObjects(poRootGroup->poHchild + i, bSUBDATASET);
        }

    if( poRootGroup->nType == H5G_GROUP ) {
        CreateMetadata(poRootGroup, H5G_GROUP);
    }

    // Create Sub dataset list.

    if( poRootGroup->nType == H5G_DATASET && bSUBDATASET &&
        poDS->GetDataType(poRootGroup->native) == GDT_Unknown )
    {
        CPLDebug("HDF5", "Skipping unsupported %s of type %s",
                 poRootGroup->pszUnderscorePath,
                 poDS->GetDataTypeName(poRootGroup->native));
    }
    else if( poRootGroup->nType == H5G_DATASET && bSUBDATASET )
    {
        CreateMetadata(poRootGroup, H5G_DATASET);

        char szTemp[8192];  // TODO(schwehr): Get this off of the stack.
        switch( poRootGroup->nRank )
        {
        case 2:
            snprintf(szTemp, sizeof(szTemp), "%dx%d",
                     static_cast<int>(poRootGroup->paDims[0]),
                     static_cast<int>(poRootGroup->paDims[1]));
            break;
        case 3:
            snprintf(szTemp, sizeof(szTemp), "%dx%dx%d",
                     static_cast<int>(poRootGroup->paDims[0]),
                     static_cast<int>(poRootGroup->paDims[1]),
                     static_cast<int>(poRootGroup->paDims[2]));
            break;
        default:
            return CE_None;
        }

        const std::string osDim = szTemp;

        snprintf(szTemp, sizeof(szTemp), "SUBDATASET_%d_NAME",
                 ++(poDS->nSubDataCount));

        poDS->papszSubDatasets =
            CSLSetNameValue(poDS->papszSubDatasets, szTemp,
                            CPLSPrintf("HDF5:\"%s\":%s",
                                       poDS->GetDescription(),
                                       poRootGroup->pszUnderscorePath));

        snprintf(szTemp, sizeof(szTemp), "SUBDATASET_%d_DESC",
                 poDS->nSubDataCount);

        poDS->papszSubDatasets = CSLSetNameValue(
            poDS->papszSubDatasets, szTemp,
            CPLSPrintf("[%s] %s (%s)", osDim.c_str(),
                       poRootGroup->pszUnderscorePath,
                       poDS->GetDataTypeName(poRootGroup->native)));
    }

    return CE_None;
}
开发者ID:ksshannon，项目名称:gdal，代码行数:69，代码来源:hdf5dataset.cpp


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