30#ifndef vtkIOSSUtilities_h
31#define vtkIOSSUtilities_h
39#include "vtkTypeInt32Array.h"
40#include "vtkTypeInt64Array.h"
46#include VTK_IOSS(Ioss_Region.h)
47#include VTK_IOSS(Ioss_Transform.h)
48#include VTK_IOSS(Ioss_StructuredBlock.h)
91 vtkObject*
Find(
const Ioss::GroupingEntity* entity,
const std::string& cachekey)
const;
92 void Insert(
const Ioss::GroupingEntity* entity,
const std::string& cachekey,
vtkObject* array);
96 void operator=(
const Cache&) =
delete;
99 CacheInternals* Internals;
111 vtkTypeList::Create<vtkDoubleArray, vtkTypeInt32Array, vtkTypeInt64Array>>::Result;
133template <
typename EntityType>
135 std::set<EntityNameType>& entity_names, std::set<std::string>& field_names)
137 for (
const auto& entity : entities)
139 const int64_t
id = entity->property_exists(
"id") ? entity->get_property(
"id").get_int() : 0;
141 entity_names.insert(
EntityNameType{
static_cast<vtkTypeUInt64
>(id), name });
143 Ioss::NameList attributeNames;
144 entity->field_describe(Ioss::Field::TRANSIENT, &attributeNames);
145 entity->field_describe(Ioss::Field::ATTRIBUTE, &attributeNames);
147 attributeNames.begin(), attributeNames.end(), std::inserter(field_names, field_names.end()));
175 const std::string& fieldname, Ioss::Transform* transform =
nullptr,
Cache* cache =
nullptr,
176 const std::string& cachekey = std::string());
199 Ioss::GroupingEntity* group_entity,
int& vtk_topology_type,
Cache* cache =
nullptr);
207 const Ioss::GroupingEntity* group_entity,
Cache* cache =
nullptr);
248 Ioss::Region* region,
const std::string& blockname);
object to represent cell connectivity
void Clear()
Clears the cache.
void ClearUnused()
Removes all cached entries not accessed since most recent call to ResetAccessCounts.
void ResetAccessCounts()
Call this to clear internal count for hits.
vtkObject * Find(const Ioss::GroupingEntity *entity, const std::string &cachekey) const
void Insert(const Ioss::GroupingEntity *entity, const std::string &cachekey, vtkObject *array)
abstract base class for most VTK objects
Hold a reference to a vtkObjectBase instance.
internal utilities for vtkIOSSReader
void InitializeEnvironmentForIOSS()
Must be called before using any Ioss library functions.
std::vector< Ioss::StructuredBlock * > GetMatchingStructuredBlocks(Ioss::Region *region, const std::string &blockname)
Returns collection of StructuredBlock's matching the selected blockname.
void GetEntityAndFieldNames(const Ioss::Region *region, const std::vector< EntityType * > &entities, std::set< EntityNameType > &entity_names, std::set< std::string > &field_names)
Populates entitySelection with available entity block (or set) names and populates fieldSelection wit...
DatabaseFormatType GetFormat(const Ioss::GroupingEntity *entity)
Given any GroupingEntity pointer, returns the format that the associated database is in.
std::pair< vtkTypeUInt64, std::string > EntityNameType
std::set< double > GetTimeValues(const Ioss::Region *region)
Reads time / timestep information from a region.
vtkSmartPointer< vtkPoints > GetMeshModelCoordinates(const Ioss::GroupingEntity *group_entity, Cache *cache=nullptr)
Read points from the group_entity.
Ioss::EntityType GetIOSSEntityType(vtkIOSSReader::EntityType vtk_type)
For the given vtkIOSSReader::EntityType return the corresponding Ioss::EntityType.
int GetCellType(const Ioss::ElementTopology *topology)
Returns VTK celltype for a Ioss topology element.
vtkSmartPointer< vtkDataArray > CreateArray(const Ioss::Field &field)
Create an array for the given field.
vtkSmartPointer< vtkCellArray > GetConnectivity(Ioss::GroupingEntity *group_entity, int &vtk_topology_type, Cache *cache=nullptr)
Read connectivity information from the group_entity.
std::string GetSanitizedBlockName(const Ioss::Region *region, const std::string &name)
This is primarily intended for CGNS.
bool IsFieldTransient(Ioss::GroupingEntity *entity, const std::string &fieldname)
Returns true if the field is transient.
std::string GetDisplacementFieldName(Ioss::GroupingEntity *nodeblock)
Finds a displacement field name.
vtkSmartPointer< vtkDataArray > GetData(const Ioss::GroupingEntity *entity, const std::string &fieldname, Ioss::Transform *transform=nullptr, Cache *cache=nullptr, const std::string &cachekey=std::string())
Returns a VTK array for a given field (fieldname) on the chosen block (or set) entity.
DatabaseFormatType DetectType(const std::string &dbaseName)
Given a filename determines and returns the database type.
Remove all duplicate types from TypeList TList, storing the new list in Result.