Proper caching in vtkHDFReader#

vtkHDFReader cache was reworked to work properly with all supported types but vtkHyperTreeGrid, with added support for vtkPartitionedDataSetCollection, vtkMultiBlockDataSet and vtkOverlappingAMR.

The caches now ensure the MeshMTime of vtkDataSet provided by the vtkHDFReader do not change if they should not.

In this context, the UseCache member is now true by default and it have been deprecated for further removal.

GetAttributeOriginalIdName, SetAttributeOriginalIdName and AddFieldArrays have also been deprecated.

vtkHDFUtilities::RetrieveHDFInformation have been deprecated in favor of a version with more arguments.

Proper distributed support in vtkHDFReader#

vtkHDFReader now generates proper vtkPartitionedDataSet distributed contents with empty (nullptr) partitions where other ranks have data.

Piece distribution configuration in vtkHDFReader#

When reading partitioned data in parallel, you can now use vtkHDFReader::SetPieceDistribution to choose the piece distribution strategy: interleave blocks between processes, or allocate “blocks” of partitions.

Better support for partitioned data writing in vtkHDFWriter#

vtkHDFWriter is now able to write partitioned data in parallel when the number of non-null partitions differ between processes.

Removal of unspecified Temporal FieldData behavior with vtkOverlappingAMR#

vtkOverlappingAMR does not specify properly how to handle temporal field data in the VTKHDF specifications, the implementation have been removed before a proper reimplementation.

Quiet support in vtkHDFUtilities::Open#

A new argument have been added to vtkHDFUtilities::Open to suppress all console output on error. The previous version has been deprecated.

vtkHyperTreeGrid support in vtkHDFWriter#

vtkHDFWriter now properly supports the HyperTreeGrid data model. It can write partitioned, temporal and distributed data.

New data types specified: vtkRectilinearGrid, vtkStructuredGrid and vtkTable#

The VTKHDF specification now supports Recilinear Grids, Structured Grids and Tables.

vtkHDFWriter and vtkHDFReader are both capable of handling these new datatypes, for simple and time-dependent data (no partition or extent support).

vtkHDFUtilities and vtkHDFReader deprecations#

  • The protect method vtkHDFReader::DataArraySelection now returns a std::map instead of a std::array with vtkDataObject::AttributeTypes:: as a key.

  • vtkHDFUtilities::GetArrayNames, RetrieveHDFInformation and NewFieldArray also use a std::map<int, hid_t> for the attributeDataGroup argument instead of a std::array<hid_t, 3>.