DtVpfTile Class Reference

This is the abstract tile class that the area, linear and point tile classes are derived from. More...

Inheritance diagram for DtVpfTile:

List of all members.

Public Member Functions
	DtVpfTile (DtVpfDatabase *db, const DtString &themePath, int tileID, DtVpfTable *featureTable)
	Constructor takes a database, theme, tileID and feature table to generate the base tile that the subclasses build on.
virtual	~DtVpfTile ()
	Destructor.
virtual DtString	tilePath () const
	returns the relative path to this tile
virtual DtString	themePath () const
	returns the absolute path to the them for this tile
virtual bool	loadFeatures (DtVectorNetwork *vectorNetwork)=0
	abstract function that subclasses implement to load the features into the GDB vector network
virtual bool	initTile ()=0
	Initializes the tile by loading the proper files.
virtual bool	featureInTile (int featureNumber) const
	determines whether a given feature is within this tile or not
virtual bool	featureInAoi (double xMin1, double yMin1, double xMax1, double yMax1, double xMin2, double yMin2, double xMax2, double yMax2) const
	determines whether two rectangles overlap or not.
virtual DtVpfDatabase *	database ()
	returns a pointer to the database that owns this tile
Protected Attributes
DtVpfDatabase *	myDatabase
int	myTileID
DtString	myTilePath
DtString	myThemePath
DtVpfTable *	myFeatureClassTable
Private Member Functions
	DtVpfTile (const DtVpfTile &input)
	Copy constructor is private to prevent copying.
DtVpfTile &	operator= (const DtVpfTile &input)
	Assignment operator is private to prevent copying.

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Detailed Description

This is the abstract tile class that the area, linear and point tile classes are derived from.

It keeps a list of

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Constructor & Destructor Documentation

DtVpfTile::DtVpfTile	(	DtVpfDatabase *	db,
		const DtString &	themePath,
		int	tileID,
		DtVpfTable *	featureTable
	)

Constructor takes a database, theme, tileID and feature table to generate the base tile that the subclasses build on.

virtual DtVpfTile::~DtVpfTile

(

)

[virtual]

Destructor.

DtVpfTile::DtVpfTile

(

const DtVpfTile &

input

)

[private]

Copy constructor is private to prevent copying.

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Member Function Documentation

virtual DtString DtVpfTile::tilePath

(

)

const [virtual]

returns the relative path to this tile

virtual DtString DtVpfTile::themePath

(

)

const [virtual]

returns the absolute path to the them for this tile

virtual bool DtVpfTile::loadFeatures

(

DtVectorNetwork *

vectorNetwork

)

[pure virtual]

abstract function that subclasses implement to load the features into the GDB vector network

Implemented in DtVpfAreaFeatureTile, DtVpfPointFeatureTile, and DtVpfLineFeatureTile.

virtual bool DtVpfTile::initTile

(

)

[pure virtual]

Initializes the tile by loading the proper files.

Returns:

a boolean to indicate the success or failure of the load

Implemented in DtVpfAreaFeatureTile, DtVpfPointFeatureTile, and DtVpfLineFeatureTile.

virtual bool DtVpfTile::featureInTile

(

int

featureNumber

)

const [virtual]

determines whether a given feature is within this tile or not

virtual bool DtVpfTile::featureInAoi	(	double	xMin1,
		double	yMin1,
		double	xMax1,
		double	yMax1,
		double	xMin2,
		double	yMin2,
		double	xMax2,
		double	yMax2
	)		const [virtual]

determines whether two rectangles overlap or not.

virtual DtVpfDatabase* DtVpfTile::database

(

)

[virtual]

returns a pointer to the database that owns this tile

DtVpfTile& DtVpfTile::operator=

(

const DtVpfTile &

input

)

[private]

Assignment operator is private to prevent copying.

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Member Data Documentation

DtVpfDatabase* DtVpfTile::myDatabase [protected]

int DtVpfTile::myTileID [protected]

DtString DtVpfTile::myTilePath [protected]

DtString DtVpfTile::myThemePath [protected]

DtVpfTable* DtVpfTile::myFeatureClassTable [protected]

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

• include/vmap/vmapTile.h