QGIS API Documentation
2.2.0-Valmiera
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This class represents a line. More...
#include <Line3D.h>
Public Member Functions | |
Line3D () | |
~Line3D () | |
bool | empty () const |
returns true, if the Line contains no Point3D, otherwise false | |
void | insertPoint (Point3D *p) |
inserts a node behind the current position and sets the current position to this new node | |
void | removePoint () |
removes the point behind the current position | |
Point3D * | getPoint () const |
gets the point at the current position | |
unsigned int | getCurrent () const |
returns the current position | |
unsigned int | getSize () const |
returns the size of the line (the numbero of inserted Nodes without 'head' and 'z' | |
void | goToBegin () |
sets the current Node to head | |
void | goToNext () |
goes to the next Node |
Protected Attributes | |
Node * | head |
Node * | z |
Node * | currentNode |
unsigned int | size |
unsigned int | current |
Private Member Functions | |
Line3D (const Line3D &) | |
copy constructor, declared privat to not use it | |
Line3D & | operator= (const Line3D &) |
assignment operator, declared privat to not use it |
This class represents a line.
It is implemented as a single directed linked list of nodes (with related Point3D objects). Attention: the points inserted in a line are not deleted from Line3D
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inlineprivate |
Line3D::Line3D | ( | ) |
Line3D::~Line3D | ( | ) |
bool Line3D::empty | ( | ) | const |
returns true, if the Line contains no Point3D, otherwise false
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inline |
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inline |
gets the point at the current position
Definition at line 74 of file Line3D.h.
References currentNode, and Node::getPoint().
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inline |
void Line3D::goToBegin | ( | ) |
sets the current Node to head
void Line3D::goToNext | ( | ) |
goes to the next Node
void Line3D::insertPoint | ( | Point3D * | p | ) |
inserts a node behind the current position and sets the current position to this new node
Referenced by QgsTINInterpolator::insertData().
void Line3D::removePoint | ( | ) |
removes the point behind the current position
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protected |
Definition at line 36 of file Line3D.h.
Referenced by getCurrent().
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protected |
Definition at line 34 of file Line3D.h.
Referenced by getPoint().
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protected |