Nav2 Navigation Stack - rolling
main
ROS 2 Navigation Stack
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Public Member Functions | |
None | __init__ (self, float x0, float y0, float x1, float y1, float step_size=1.0) |
bool | isValid (self) |
None | advance (self) |
float | getX (self) |
float | getY (self) |
float | getX0 (self) |
float | getY0 (self) |
float | getX1 (self) |
float | getY1 (self) |
complex | get_line_length (self) |
float | clamp (self, float n, float min_n, float max_n) |
Public Attributes | |
x0_ | |
y0_ | |
x1_ | |
y1_ | |
x_ | |
y_ | |
step_size_ | |
valid_ | |
m_ | |
b_ | |
LineIterator. LineIterator Python3 API for iterating along the points of a given line
Definition at line 27 of file line_iterator.py.
None nav2_simple_commander.line_iterator.LineIterator.__init__ | ( | self, | |
float | x0, | ||
float | y0, | ||
float | x1, | ||
float | y1, | ||
float | step_size = 1.0 |
||
) |
Initialize the LineIterator. Args ---- x0 (float): Abscissa of the initial point y0 (float): Ordinate of the initial point x1 (float): Abscissa of the final point y1 (float): Ordinate of the final point step_size (float): Optional, Increments' resolution, defaults to 1 Raises ------ TypeError: When one (or more) of the inputs is not a number ValueError: When step_size is not a positive number
Definition at line 34 of file line_iterator.py.
References nav2_simple_commander.line_iterator.LineIterator.b_, nav2_simple_commander.line_iterator.LineIterator.m_, nav2_simple_commander.line_iterator.LineIterator.step_size_, nav2_simple_commander.line_iterator.LineIterator.valid_, nav2_costmap_2d::Costmap2DPublisher.x0_, dwb_critics::LineIterator.x0_, nav2_route::GoalIntentSearch::LoSCollisionChecker.x0_, nav2_simple_commander.line_iterator.LineIterator.x0_, nav2_util::LineIterator.x0_, dwb_critics::LineIterator.x1_, nav2_route::GoalIntentSearch::LoSCollisionChecker.x1_, nav2_simple_commander.line_iterator.LineIterator.x1_, nav2_util::LineIterator.x1_, nav2_costmap_2d::CellData.x_, nav2_costmap_2d::StaticLayer.x_, costmap_queue::CellData.x_, dwb_critics::LineIterator.x_, nav2_simple_commander.line_iterator.LineIterator.x_, nav2_util::LineIterator.x_, nav2_costmap_2d::Costmap2DPublisher.y0_, dwb_critics::LineIterator.y0_, nav2_route::GoalIntentSearch::LoSCollisionChecker.y0_, nav2_simple_commander.line_iterator.LineIterator.y0_, nav2_util::LineIterator.y0_, dwb_critics::LineIterator.y1_, nav2_route::GoalIntentSearch::LoSCollisionChecker.y1_, nav2_simple_commander.line_iterator.LineIterator.y1_, nav2_util::LineIterator.y1_, nav2_costmap_2d::CellData.y_, nav2_costmap_2d::StaticLayer.y_, costmap_queue::CellData.y_, dwb_critics::LineIterator.y_, nav2_simple_commander.line_iterator.LineIterator.y_, and nav2_util::LineIterator.y_.
None nav2_simple_commander.line_iterator.LineIterator.advance | ( | self | ) |
Advance to the next point in the line.
Definition at line 100 of file line_iterator.py.
References nav2_simple_commander.line_iterator.LineIterator.b_, nav2_simple_commander.line_iterator.LineIterator.clamp(), nav2_simple_commander.line_iterator.LineIterator.m_, nav2_simple_commander.line_iterator.LineIterator.step_size_, nav2_simple_commander.line_iterator.LineIterator.valid_, nav2_costmap_2d::Costmap2DPublisher.x0_, dwb_critics::LineIterator.x0_, nav2_route::GoalIntentSearch::LoSCollisionChecker.x0_, nav2_simple_commander.line_iterator.LineIterator.x0_, nav2_util::LineIterator.x0_, dwb_critics::LineIterator.x1_, nav2_route::GoalIntentSearch::LoSCollisionChecker.x1_, nav2_simple_commander.line_iterator.LineIterator.x1_, nav2_util::LineIterator.x1_, nav2_costmap_2d::CellData.x_, nav2_costmap_2d::StaticLayer.x_, costmap_queue::CellData.x_, dwb_critics::LineIterator.x_, nav2_simple_commander.line_iterator.LineIterator.x_, nav2_util::LineIterator.x_, nav2_costmap_2d::Costmap2DPublisher.y0_, dwb_critics::LineIterator.y0_, nav2_route::GoalIntentSearch::LoSCollisionChecker.y0_, nav2_simple_commander.line_iterator.LineIterator.y0_, nav2_util::LineIterator.y0_, dwb_critics::LineIterator.y1_, nav2_route::GoalIntentSearch::LoSCollisionChecker.y1_, nav2_simple_commander.line_iterator.LineIterator.y1_, nav2_util::LineIterator.y1_, nav2_costmap_2d::CellData.y_, nav2_costmap_2d::StaticLayer.y_, costmap_queue::CellData.y_, dwb_critics::LineIterator.y_, nav2_simple_commander.line_iterator.LineIterator.y_, and nav2_util::LineIterator.y_.
float nav2_simple_commander.line_iterator.LineIterator.clamp | ( | self, | |
float | n, | ||
float | min_n, | ||
float | max_n | ||
) |
Clamp n to be between min_n and max_n. Args ---- n (float): input value min_n (float): minimum value max_n (float): maximum value Returns ------- n (float): input value clamped between given min and max
Definition at line 164 of file line_iterator.py.
Referenced by nav2_simple_commander.line_iterator.LineIterator.advance().
complex nav2_simple_commander.line_iterator.LineIterator.get_line_length | ( | self | ) |
Get the length of the line.
Definition at line 160 of file line_iterator.py.
References nav2_costmap_2d::Costmap2DPublisher.x0_, dwb_critics::LineIterator.x0_, nav2_route::GoalIntentSearch::LoSCollisionChecker.x0_, nav2_simple_commander.line_iterator.LineIterator.x0_, nav2_util::LineIterator.x0_, dwb_critics::LineIterator.x1_, nav2_route::GoalIntentSearch::LoSCollisionChecker.x1_, nav2_simple_commander.line_iterator.LineIterator.x1_, nav2_util::LineIterator.x1_, nav2_costmap_2d::Costmap2DPublisher.y0_, dwb_critics::LineIterator.y0_, nav2_route::GoalIntentSearch::LoSCollisionChecker.y0_, nav2_simple_commander.line_iterator.LineIterator.y0_, nav2_util::LineIterator.y0_, dwb_critics::LineIterator.y1_, nav2_route::GoalIntentSearch::LoSCollisionChecker.y1_, nav2_simple_commander.line_iterator.LineIterator.y1_, and nav2_util::LineIterator.y1_.
float nav2_simple_commander.line_iterator.LineIterator.getX | ( | self | ) |
Get the abscissa of the current point.
Definition at line 136 of file line_iterator.py.
References nav2_costmap_2d::CellData.x_, nav2_costmap_2d::StaticLayer.x_, costmap_queue::CellData.x_, dwb_critics::LineIterator.x_, nav2_simple_commander.line_iterator.LineIterator.x_, and nav2_util::LineIterator.x_.
float nav2_simple_commander.line_iterator.LineIterator.getX0 | ( | self | ) |
Get the abscissa of the initial point.
Definition at line 144 of file line_iterator.py.
References nav2_costmap_2d::Costmap2DPublisher.x0_, dwb_critics::LineIterator.x0_, nav2_route::GoalIntentSearch::LoSCollisionChecker.x0_, nav2_simple_commander.line_iterator.LineIterator.x0_, and nav2_util::LineIterator.x0_.
float nav2_simple_commander.line_iterator.LineIterator.getX1 | ( | self | ) |
Get the abscissa of the final point.
Definition at line 152 of file line_iterator.py.
References dwb_critics::LineIterator.x1_, nav2_route::GoalIntentSearch::LoSCollisionChecker.x1_, nav2_simple_commander.line_iterator.LineIterator.x1_, and nav2_util::LineIterator.x1_.
float nav2_simple_commander.line_iterator.LineIterator.getY | ( | self | ) |
Get the ordinate of the current point.
Definition at line 140 of file line_iterator.py.
References nav2_costmap_2d::CellData.y_, nav2_costmap_2d::StaticLayer.y_, costmap_queue::CellData.y_, dwb_critics::LineIterator.y_, nav2_simple_commander.line_iterator.LineIterator.y_, and nav2_util::LineIterator.y_.
float nav2_simple_commander.line_iterator.LineIterator.getY0 | ( | self | ) |
Get the ordinate of the initial point.
Definition at line 148 of file line_iterator.py.
References nav2_costmap_2d::Costmap2DPublisher.y0_, dwb_critics::LineIterator.y0_, nav2_route::GoalIntentSearch::LoSCollisionChecker.y0_, nav2_simple_commander.line_iterator.LineIterator.y0_, and nav2_util::LineIterator.y0_.
float nav2_simple_commander.line_iterator.LineIterator.getY1 | ( | self | ) |
Get the ordinate of the final point.
Definition at line 156 of file line_iterator.py.
References dwb_critics::LineIterator.y1_, nav2_route::GoalIntentSearch::LoSCollisionChecker.y1_, nav2_simple_commander.line_iterator.LineIterator.y1_, and nav2_util::LineIterator.y1_.
bool nav2_simple_commander.line_iterator.LineIterator.isValid | ( | self | ) |
Check if line is valid.
Definition at line 96 of file line_iterator.py.
References nav2_simple_commander.line_iterator.LineIterator.valid_.