Hermes::Hermes2D::Node Struct Reference

Stores one node of a mesh. More...

#include <element.h>

Public Member Functions
bool	is_constrained_vertex () const
	Returns true if the (vertex) node is constrained.
void	ref_element (Element *e=nullptr)
void	unref_element (HashTable *ht, Element *e=nullptr)

Public Attributes
int	id
	node id number
unsigned	ref: 29
	the number of elements using the node
unsigned	type: 1
	0 = vertex node; 1 = edge node
unsigned	bnd: 1
	1 = boundary node; 0 = inner node
unsigned	used: 1
	array item usage flag
union {
struct {
double   x
	vertex node coordinates
double   y
}
struct {
int   marker
	edge marker
Element *   elem [2]
	elements sharing the edge node
}
};
int	p1
	parent id numbers
int	p2
Node *	next_hash
	next node in hash synonym list

Detailed Description

Stores one node of a mesh.

There are are two variants of this structure, depending on the value of the member 'type':

1. HERMES_TYPE_VERTEX – vertex node. Has physical coordinates x, y.  
2. HERMES_TYPE_EDGE – edge node. Only stores edge marker and two element pointers.

Definition at line 45 of file element.h.

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

• element.h
• element.cpp