C++ API Reference¶

Control¶

The control interface is the high level interface that controls an acquisition.

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Allocators¶

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RPC¶

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Channels¶

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HDF5¶

class file : private boost::base_from_member<shared_file_hid_t>, public lima::io::h5::detail::attrs_base<file>, public lima::io::h5::detail::dset_base<file>¶

Represents an HDF5 file.

Subclassed by lima::io::h5::nx::file

Public Functions¶

inline bool is_open() const¶: Returns true if the file is open (aka the hid is valid)

inline group create_group(path const &name, hid_t lcpl_id = H5P_DEFAULT, hid_t gcpl_id = H5P_DEFAULT, hid_t gapl_id = H5P_DEFAULT)¶: Creates and returns a new group in the file.

inline group require_group(path const &name)¶: Opens or creates a group in the file.

Public Static Functions¶

static inline file create(std::filesystem::path const &name, unsigned flags = H5F_ACC_TRUNC, hid_t fcpl_id = H5P_DEFAULT, hid_t fapl_id = H5P_DEFAULT)¶: Creates a H5 file, flags determines the action if file exists: H5F_ACC_TRUNC: tructate, H5F_ACC_EXCL: raise an exception.

static inline file open(std::filesystem::path const &name, unsigned flags = H5F_ACC_RDONLY, hid_t fapl_id = H5P_DEFAULT)¶: Opens an existing H5 file, flags determines the access mode: H5F_ACC_RDONLY / H5F_ACC_RDWR.

class group : private boost::base_from_member<shared_group_hid_t>, public lima::io::h5::detail::attrs_base<group>, public lima::io::h5::detail::dset_base<group>¶

Represents an HDF5 group.

Subclassed by lima::io::h5::nx::group

Public Functions¶

inline bool is_open() const¶: Returns true if the group is open (aka the hid is valid)

Public Static Functions¶

template<typename Location> static inline group create(Location const &loc, path const &name, hid_t lcpl_id = H5P_DEFAULT, hid_t gcpl_id = H5P_DEFAULT, hid_t gapl_id = H5P_DEFAULT)¶: Creates a new group and links it into the file.

template<typename Location> static inline group open(Location const &loc, path const &name, hid_t gapl_id = H5P_DEFAULT)¶: Opens an existing group.

class dataset : private boost::base_from_member<shared_dataset_hid_t>, public lima::io::h5::detail::attrs_base<dataset>¶

Represents an HDF5 dataset.

Public Functions¶

inline bool is_open() const¶: Returns true if the dataset is open (aka the hid is valid)

inline dataspace space() const¶: Returns a copy of the dataspace of the dataset.

inline predef_datatype datatype() const¶: Returns the datatype of the dataset.

inline void write(const void *buffer, predef_datatype dtype, hid_t mem_dspace = H5S_ALL, hid_t file_dspace = H5S_ALL, hid_t dtpl_id = H5P_DEFAULT)¶: Writes data to the dataset.

inline void write_chunk(const void *buffer, uint32_t filter_mask, hsize_t offset[], size_t data_size, hid_t dtpl_id = H5P_DEFAULT)¶: Writes chunk to the dataset.

inline void read(void *buffer, predef_datatype dtype, hid_t mem_dspace = H5S_ALL, hid_t file_dspace = H5S_ALL, hid_t dtpl_id = H5P_DEFAULT)¶: Reads from the dataset.

inline herr_t extent(const hsize_t size[])¶: Changes the sizes of a dataset’s dimensions.

template<typename Location> inline herr_t lima::io::h5::link_soft(path target_path, Location link_loc, path link_name, hid_t lcpl_id = H5P_DEFAULT, hid_t lapl_id = H5P_DEFAULT)¶: Creates a soft link to an object (allowed to dangle)