osmdb::DisplayDB Class Reference

Class that allows for drawing of data from database. More...

#include <DisplayDB.h>

Inheritance diagram for osmdb::DisplayDB:

Public Member Functions
	DisplayDB (OsmDatabase &db, std::string const &path_base, int min_zoom, int max_zoom)
	Constructs a DisplayDB.
virtual	~DisplayDB ()
std::vector< std::unique_ptr < display::DisplayElement > > const &	get_display_elements ()
OsmDatabase &	get_db ()
void	set_bounds (geo::Point const &topleft, geo::Point const &bottomright, int zoom)
	Change current view to position bounded by topleft and bottomright using zoomlevel zoom.
std::vector< std::unique_ptr < osm::Element > >	get_selected (geo::Point const &topleft, geo::Point const &bottomright, int zoom)
	Retrieve osm::Elements in box specified by topleft and bottomright when current zoom level is zoom.
double	center_lat ()
double	center_lon ()

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Detailed Description

Class that allows for drawing of data from database.

Uses xml files to specify what to draw.

Definition at line 23 of file DisplayDB.h.

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Constructor & Destructor Documentation

osmdb::DisplayDB::DisplayDB	(	OsmDatabase &	db,
		std::string const &	path_base,
		int	min_zoom,
		int	max_zoom
	)

Constructs a DisplayDB.

Parameters:

db	underlying OsmDatabase
path_base	path to xml files specifying what to draw, this should be a directory containing files <min_zoom>.xml to <max_zoom>.xml
min_zoom	minimum zoom level to draw
max_zoom	maximum zoom level to draw

Definition at line 15 of file DisplayDB.cpp.

osmdb::DisplayDB::~DisplayDB

(

)

[virtual]

Definition at line 36 of file DisplayDB.cpp.

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Member Function Documentation

double osmdb::DisplayDB::center_lat

(

)

[virtual]

Returns:

center latitude of all data this DisplayProvider can get

Implements display::DisplayProvider.

Definition at line 92 of file DisplayDB.cpp.

double osmdb::DisplayDB::center_lon

(

)

[virtual]

Returns:

center longitude of all data this DisplayProvider can get

Implements display::DisplayProvider.

Definition at line 97 of file DisplayDB.cpp.

OsmDatabase & osmdb::DisplayDB::get_db

(

)

Definition at line 40 of file DisplayDB.cpp.

std::vector< std::unique_ptr< display::DisplayElement > > const & osmdb::DisplayDB::get_display_elements

(

)

[virtual]

Returns:

the DisplayElements in current view.

Implements display::DisplayProvider.

Definition at line 45 of file DisplayDB.cpp.

std::vector< std::unique_ptr< osm::Element > > osmdb::DisplayDB::get_selected	(	geo::Point const &	topleft,
		geo::Point const &	bottomright,
		int	zoom
	)		[virtual]

Retrieve osm::Elements in box specified by topleft and bottomright when current zoom level is zoom.

Parameters:

topleft
bottomright
zoom

Returns:

displayed osm::Elements in box

Implements display::DisplayProvider.

Definition at line 65 of file DisplayDB.cpp.

void osmdb::DisplayDB::set_bounds	(	geo::Point const &	topleft,
		geo::Point const &	bottomright,
		int	zoom
	)		[virtual]

Change current view to position bounded by topleft and bottomright using zoomlevel zoom.

Parameters:

topleft
bottomright
zoom

Implements display::DisplayProvider.

Definition at line 50 of file DisplayDB.cpp.

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

• /home/martin/workspace/OpenStreetNav/src/osmdb/DisplayDB.h
• /home/martin/workspace/OpenStreetNav/src/osmdb/DisplayDB.cpp