HDF5 Exemple de code

Essayez ceci:

using System;
using HDF5DotNet;
namespace CSharpExample1
{
class Program
{
//Function used with 
static int myFunction(H5GroupId id, string objectName, Object param)
{
Console.WriteLine("The object name is {0}", objectName);
Console.WriteLine("The object parameter is {0}", param);
return 0;
}
static void Main(string[] args)
{
try
{
//We will write and read an int array of this length.
const int DATA_ARRAY_LENGTH = 12;
//Rank is the number of dimensions of the data array.
const int RANK = 1;
//Create an HDF5 file.
//The enumeration type H5F.CreateMode provides only the legal 
//creation modes.  Missing H5Fcreate parameters are provided
//with default values.
H5FileId fileId = H5F.create("myCSharp.h5", 
H5F.CreateMode.ACC_TRUNC);
//Create a HDF5 group.  
H5GroupId groupId = H5G.create(fileId, "/cSharpGroup", 0);
H5GroupId subGroup = H5G.create(groupId, "mySubGroup", 0);   
//Demonstrate getObjectInfo
ObjectInfo info = H5G.getObjectInfo(fileId, "/cSharpGroup", true);
Console.WriteLine("cSharpGroup header size is {0}", info.headerSize);
Console.WriteLine("cSharpGroup nlinks is {0}", info.nHardLinks);
Console.WriteLine("cSharpGroup fileno is {0} {1}", 
info.fileNumber[0], info.fileNumber[1]);
Console.WriteLine("cSharpGroup objno is {0} {1}", 
info.objectNumber[0], info.objectNumber[1]);
Console.WriteLine("cSharpGroup type is {0}", info.objectType);
H5G.close(subGroup);
//Prepare to create a data space for writing a 1-dimensional 
//signed integer array.
ulong[] dims = new ulong[RANK];
dims[0] = DATA_ARRAY_LENGTH;
//Put descending ramp data in an array so that we can
//write it to the file.
int[] dset_data = new int[DATA_ARRAY_LENGTH];
for (int i = 0; i < DATA_ARRAY_LENGTH; i++)
dset_data[i] = DATA_ARRAY_LENGTH - i;
//Create a data space to accommodate our 1-dimensional array.
//The resulting H5DataSpaceId will be used to create the 
//data set.
H5DataSpaceId spaceId = H5S.create_simple(RANK, dims);
//Create a copy of a standard data type.  We will use the 
//resulting H5DataTypeId to create the data set.  We could
//have  used the HST.H5Type data directly in the call to 
//H5D.create, but this demonstrates the use of H5T.copy 
//and the use of a H5DataTypeId in H5D.create.
H5DataTypeId typeId = H5T.copy(H5T.H5Type.NATIVE_INT);
//Find the size of the type
uint typeSize = H5T.getSize(typeId);
Console.WriteLine("typeSize is {0}", typeSize);
//Set the order to big endian
H5T.setOrder(typeId, H5T.Order.BE);
//Set the order to little endian
H5T.setOrder(typeId, H5T.Order.LE);
//Create the data set.
H5DataSetId dataSetId = H5D.create(fileId, "/csharpExample", 
typeId, spaceId);
//Write the integer data to the data set.
H5D.write(dataSetId, new H5DataTypeId(H5T.H5Type.NATIVE_INT),
new H5Array<int>(dset_data));
//If we were writing a single value it might look like this.
// int singleValue = 100;
// H5D.writeScalar(dataSetId, new H5DataTypeId(H5T.H5Type.NATIVE_INT),
//    ref singleValue);
//Create an integer array to receive the read data.
int[] readDataBack = new int[DATA_ARRAY_LENGTH];
//Read the integer data back from the data set
H5D.read(dataSetId, new H5DataTypeId(H5T.H5Type.NATIVE_INT), 
new H5Array<int>(readDataBack));
//Echo the data
for(int i=0;i<DATA_ARRAY_LENGTH;i++)
{
Console.WriteLine(readDataBack[i]);
}  
//Close all the open resources.
H5D.close(dataSetId);
//Reopen and close the data sets to show that we can.
dataSetId = H5D.open(fileId, "/csharpExample");
H5D.close(dataSetId);
dataSetId = H5D.open(groupId, "/csharpExample");
H5D.close(dataSetId);
H5S.close(spaceId);
H5T.close(typeId);
H5G.close(groupId);
//int x = 10;
//H5T.enumInsert<int>(typeId, "myString", ref x);
//H5G.close(groupId);
H5GIterateDelegate myDelegate;
myDelegate = myFunction;
int x = 9;
int index = H5G.iterate(fileId, "/cSharpGroup",
myDelegate, x, 0);
//Reopen the group id to show that we can.
groupId = H5G.open(fileId, "/cSharpGroup");
H5G.close(groupId);
H5F.close(fileId);
//Reopen and reclose the file.
H5FileId openId = H5F.open("myCSharp.h5", 
H5F.OpenMode.ACC_RDONLY);
H5F.close(openId);
}
//This catches all the HDF exception classes.  Because each call
//generates unique exception, different exception can be handled
//separately.  For example, to catch open errors we could have used
//catch (H5FopenException openException).
catch (HDFException e)
{
Console.WriteLine(e.Message);
}
Console.WriteLine("Processing complete!");
Console.ReadLine();
}
}
}

Voici un exemple de travail:

using System.Collections.Generic;
using System;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using HDF5DotNet;
namespace HDF5Test
{
public class HDFTester
{
static int myFunction(H5GroupId id, string objectName, Object param)
{
Console.WriteLine("The object name is {0}", objectName);
Console.WriteLine("The object parameter is {0}", param);
return 0;
}
public static void runTest()
{
try
{
//We will write and read an int array of this length.
const int DATA_ARRAY_LENGTH = 12;
//Rank is the number of dimensions of the data array.
const int RANK = 1;
//Create an HDF5 file.
//The enumeration type H5F.CreateMode provides only the legal 
//creation modes.  Missing H5Fcreate parameters are provided
//with default values.
H5FileId fileId = H5F.create("myCSharp.h5",
H5F.CreateMode.ACC_TRUNC);
//Create a HDF5 group.  
H5GroupId groupId = H5G.create(fileId, "/cSharpGroup");
H5GroupId subGroup = H5G.create(groupId, "mySubGroup");
//Demonstrate getObjectInfo
ObjectInfo info = H5G.getObjectInfo(fileId, "/cSharpGroup", true);
Console.WriteLine("cSharpGroup header size is {0}", info.headerSize);
Console.WriteLine("cSharpGroup nlinks is {0}", info.nHardLinks);
Console.WriteLine("cSharpGroup fileno is {0} {1}",
info.fileNumber[0], info.fileNumber[1]);
Console.WriteLine("cSharpGroup objno is {0} {1}",
info.objectNumber[0], info.objectNumber[1]);
Console.WriteLine("cSharpGroup type is {0}", info.objectType);
H5G.close(subGroup);
//Prepare to create a data space for writing a 1-dimensional 
//signed integer array.
long[] dims = new long[RANK];
dims[0] = DATA_ARRAY_LENGTH;
//Put descending ramp data in an array so that we can
//write it to the file.
int[] dset_data = new int[DATA_ARRAY_LENGTH];
for (int i = 0; i < DATA_ARRAY_LENGTH; i++)
dset_data[i] = DATA_ARRAY_LENGTH - i;
//Create a data space to accommodate our 1-dimensional array.
//The resulting H5DataSpaceId will be used to create the 
//data set.
H5DataSpaceId spaceId = H5S.create_simple(RANK, dims);
//Create a copy of a standard data type.  We will use the 
//resulting H5DataTypeId to create the data set.  We could
//have  used the HST.H5Type data directly in the call to 
//H5D.create, but this demonstrates the use of H5T.copy 
//and the use of a H5DataTypeId in H5D.create.
H5DataTypeId typeId = H5T.copy(H5T.H5Type.NATIVE_INT);
//Find the size of the type
int typeSize = H5T.getSize(typeId);
Console.WriteLine("typeSize is {0}", typeSize);
//Set the order to big endian
H5T.setOrder(typeId, H5T.Order.BE);
//Set the order to little endian
H5T.setOrder(typeId, H5T.Order.LE);
//Create the data set.
H5DataSetId dataSetId = H5D.create(fileId, "/csharpExample",
typeId, spaceId);
//Write the integer data to the data set.
H5D.write(dataSetId, new H5DataTypeId(H5T.H5Type.NATIVE_INT),
new H5Array<int>(dset_data));
//If we were writing a single value it might look like this.
// int singleValue = 100;
// H5D.writeScalar(dataSetId, new H5DataTypeId(H5T.H5Type.NATIVE_INT),
//    ref singleValue);
//Create an integer array to receive the read data.
int[] readDataBack = new int[DATA_ARRAY_LENGTH];
//Read the integer data back from the data set
H5D.read(dataSetId, new H5DataTypeId(H5T.H5Type.NATIVE_INT),
new H5Array<int>(readDataBack));
//Echo the data
for (int i = 0; i < DATA_ARRAY_LENGTH; i++)
{
Console.WriteLine(readDataBack[i]);
}
//Close all the open resources.
H5D.close(dataSetId);
//Reopen and close the data sets to show that we can.
dataSetId = H5D.open(fileId, "/csharpExample");
H5D.close(dataSetId);
dataSetId = H5D.open(groupId, "/csharpExample");
H5D.close(dataSetId);
H5S.close(spaceId);
H5T.close(typeId);
H5G.close(groupId);
//int x = 10;
//H5T.enumInsert<int>(typeId, "myString", ref x);
//H5G.close(groupId);
H5GIterateCallback myDelegate;
myDelegate = myFunction;
int x = 9;
int start = 0;
int index = H5G.iterate(fileId, "/cSharpGroup",myDelegate, x, ref start);
//Reopen the group id to show that we can.
groupId = H5G.open(fileId, "/cSharpGroup");
H5G.close(groupId);
H5F.close(fileId);
//Reopen and reclose the file.
H5FileId openId = H5F.open("myCSharp.h5",
H5F.OpenMode.ACC_RDONLY);
H5F.close(openId);
}
//This catches all the HDF exception classes.  Because each call
//generates unique exception, different exception can be handled
//separately.  For example, to catch open errors we could have used
//catch (H5FopenException openException).
catch (HDFException e)
{
Console.WriteLine(e.Message);
}
Console.WriteLine("Processing complete!");
Console.ReadLine();
}
}
}