t8_attribute_info Struct Reference

This structure holds the information associated to an attribute of a tree. More...

#include <t8_cmesh_types.h>

Data Fields
int	package_id
	The identifier of the application layer that added this attribute.
int	key
	The (tree unique) key of the attribute whithin this AL.
size_t	attribute_offset
	The offset of the attribute data from the first attribute info of the tree. More...
size_t	attribute_size
	The size in bytes of the attribute.

Detailed Description

This structure holds the information associated to an attribute of a tree.

The attributes of each are stored in a key-value storage, where the key consists of the two entries (package_id,key) both being integers. The package_id serves to identify the application layer that added the attribute and the key identifies the attribute whithin that application layer.

All attribute info objects of one tree are stored in an array and adding a tree's att_offset entry to the tree's adress yields this array. The attributes themselfes are stored in an array directly behind the array of the attribute infos.

Field Documentation

attribute_offset

size_t t8_attribute_info::attribute_offset

The offset of the attribute data from the first attribute info of the tree.

(Thus, the attribute is stored at adress tree + tree->att_offset + attribute_offset)

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The documentation for this struct was generated from the following file:

• src/t8_cmesh/t8_cmesh_types.h