The HDF Group

HDF Reference Manual

[Top] [Prev][Next]


VS - Vdata Interface

   
Creates and writes to a single-field vdata.
Creates and writes to a multi-order, single-field vdata.
Makes it possible to append to a vdata.
Attaches to an existing vdata or creates a new vdata.
Retrieves attribute information of a vdata or a vdata field.
Remove a vdata from a file.
Detaches from the current vdata, terminating further access to that vdata.
Determines the number of records in a vdata.
Defines a new field for in a vdata.
Returns a value of 1 if all field(s) exist and FAIL (or -1) otherwise.
Returns the reference number of a vdata, given its name.
Returns the index of an attribute of a vdata or vdata field.
Returns the reference number of the first vdata with a given vdata class name
Retrieves the index of a field within a vdata.
Returns the number of attributes attached to a vdata or the number of attributes attached to a vdata field.
Packs field data into a buffer or unpacks buffered field data into vdata field(s) for fully interlaced fields.
Retrieves the attribute values of a vdata or vdata field.
Retrieves the block size and the number of blocks for a linked-block Vdata element.
Retrieves the vdata class name, if any.
Retrieves the field names of all of the fields in a Vdata.
Sequentially searches through a file for vdatas.
Returns the interlace mode of a vdata.
Retrieves the name of a vdata.
Returns the version number of a vdata.
Retrieves general information about a vdata.
Determines whether a vdata is an attribute.
Retrieves the reference numbers of all lone vdatas, i.e., vdatas that are not grouped with other objects, in a file.
Returns the total number of attributes of a vdata and of its fields.
Retrieves data from a vdata.
Provides a mechanism for random-access I/O within a vdata.
Sets an attribute of a vdata or a vdata field.
Sets linked-block Vdata element block size.
Sets the class name of a vdata.
Stores vdata information in an external file.
Specifies the fields to be accessed.
Sets the interlace mode of a vdata.
Assigns a name to a vdata.
Sets the number of blocks for a linked-block Vdata element.
Computes the size, in bytes, of the given field(s) for the local machine.
Writes data to a vdata.


[Top] [Prev][Next] HDF4.2r4 - February 2009
Copyright
The HDF Group
www.hdfgroup.org
The HDF Group