RVC::GEOMETRIC Class Reference

Base for "geometric" objects. More...

#include <rvc/geometrc.h>

Inheritance diagram for RVC::GEOMETRIC:

[legend]

Classes
class	ELEMSELECTFILTER
class	ELEMSELECTPARMS
class	ELEMTRANSLIST
	Class to manage element translation lists from source to destination elements Eg: 'DestElemNum = TransList[SourceElemNum]' where 'TransList' is an array of INT32's The value '-1' states that the source element does not translate to a destination number. More...
class	GETOBJFILTER_HASMINIMUMELEMENTS
	GETOBJFILTER derived class to determine if the geometric object has the minimum number of elements of the specified types. More...
class	GETOBJFILTER_HASNOIMPLIEDGEOREF
	Geometric object selection filter to disallow selection of geometric objects already having implied georeference. More...
class	GETOBJFILTER_ISDISPLAYABLE
	Geometric object selection filter to disallow selection of empty and invalid extent geometric objects. More...
class	GETOBJFILTER_ISNOTEMPTY
	Geometric object selection filter to disallow selection of empty geometric objects. More...
class	GETOBJFILTER_ISSELECTABLE
	Geometric object selection filter to disallow selection of non geometric objects. More...
class	ITERATOR
	This is the base class for the LINE, POINT, POLYGON, and LABEL iterators. More...
class	LABEL
class	LABELITERATOR
class	LINEITERATOR
class	MAKEPARMSBASE
	Make parameter base class for RVC::GEOMETRIC objects. More...
class	NODEITERATOR
class	OBSERVER
	OBSERVER class for RVC::GEOMETRIC objects. More...
class	POINTITERATOR
class	POLYGONITERATOR
class	SEARCHFILTER
	Filter search class for FindClosestElement() method. More...
class	SEARCHFILTER_BITSET
	Filter search class for FindClosestElement() method supporting bit-set. More...
class	SEARCHFILTER_ELEMTRANSLIST
	Filter search class for FindClosestElement() method supporting bit-set. More...
class	SEARCHFILTER_UNSIGNEDSET
	Filter search class for FindClosestElement() method supporting bit-set. More...
class	SEARCHRESULT
Public Types
enum	CAPABILITY { CAPABILITY_None = 0, CAPABILITY_OwnSearchMethods = 512, CAPABILITY_CanAddToEnd, CAPABILITY_CanChangeElements, CAPABILITY_HasStyleByElement, CAPABILITY_ElementHasExtents, CAPABILITY_HasLabels, CAPABILITY_LabelHasExtents, CAPABILITY_CanDeleteLastElement, CAPABILITY_CanDeleteAnyElement, CAPABILITY_MultipleTableSupport, CAPABILITY_HasSpatialTrees = 766, CAPABILITY_HasQuadTrees = 767 }
enum	COMPONENT { COMPONENT_Point = 0x01, COMPONENT_Line = 0x02, COMPONENT_Polygon = 0x04, COMPONENT_Label = 0x08, COMPONENT_Node = 0x10, COMPONENT_Geometric = (COMPONENT_Point + COMPONENT_Line + COMPONENT_Polygon), COMPONENT_All = (COMPONENT_Geometric + COMPONENT_Label + COMPONENT_Node) }
enum	EXTRACTFLAGS { EXTRACTFLAG_None = 0, EXTRACTFLAG_RegionMethod = 0x00000001, EXTRACTFLAG_RemExRecords = 0x00000002, EXTRACTFLAG_RemStdAttTables = 0x00000004, EXTRACTFLAG_IgnoreMissingLines = 0x00000008, EXTRACTFLAG_TableJoinNameStruct = 0x00000010, EXTRACTFLAG_TableJoinStruct = 0x00000020, EXTRACTFLAG_TableRemoveDupRec = 0x00000040, EXTRACTFLAG_IgnorePolygonTables = 0x00000080, EXTRACTFLAG_RemoveTables = 0x00000100, EXTRACTFLAG_CopyHyperIndexSub = 0x00000200, EXTRACTFLAG_DensifyPoints = 0x00000400, EXTRACTFLAG_CreateNewTables = 0x00000800 }
typedef MILIST< LABEL >	LABELLIST
enum	POINTTYPE { POINTTYPE_2DXY = 1, POINTTYPE_3DXY = 4, POINTTYPE_3DXYZ = 7 }
Public Member Functions
	GEOMETRIC (const RVC::GEOMETRIC &rhs)
	GEOMETRIC ()
virtual	~GEOMETRIC ()=0
ERRVALUE	AddSearchTreeElement (INT32 elemnum, ELEMTYPE ElemType, const DPOINT2D &Point)
ERRVALUE	AddSearchTreeElement (INT32 elemnum, ELEMTYPE ElemType, const DRECT2D &Extents)
ERRVALUE	BuildSearchTree (const QSEARCHTREE::MAKEPARMS &MakeParms) const
ERRVALUE	BuildSearchTree (ELEMTYPE ElemType) const
ERRVALUE	ClearSearchTree (const QSEARCHTREE::MAKEPARMS &MakeParms) const
ERRVALUE	CombineStylesTo (RVC::GEOMETRIC &DestObj, SIMPLE_ARRAY< INT32 > &FontTrans, SIMPLE_ARRAY< INT32 > PattTrans[PATTERNTYPE_NumTypes]) const
ERRVALUE	CombineStylesTo (RVC::GEOMETRIC &DestObj) const
ERRVALUE	CopySearchTreeElement (INT32 SourceElement, INT32 DestElement, ELEMTYPE ElemType, const DPOINT2D &Point)
ERRVALUE	CopySearchTreeElement (INT32 SourceElement, INT32 DestElement, ELEMTYPE ElemType, const DRECT2D &Extents)
ERRVALUE	CreateSMLContext (SML::CONTEXT **pcontext) const
ERRVALUE	DeleteSearchTree (ELEMTYPE ElemType)
ERRVALUE	DeleteSearchTreeElement (INT32 elemnum, ELEMTYPE ElemType, const DPOINT2D &Point)
ERRVALUE	DeleteSearchTreeElement (INT32 elemnum, ELEMTYPE ElemType, const DRECT2D &Extents)
ERRVALUE	ExtractTo (RVC::GEOMETRIC &DestObj, RVC::GEOMETRIC::ELEMTRANSLIST &TransList, const TRANS2D_MAPGEN &tmg, RVC::GEOMETRIC::EXTRACTFLAGS ExtractFlags=EXTRACTFLAG_None) const
INT32	FindClosestElement (ELEMTYPE ElemType, const DPOINT2D &SearchPt, SEARCHFILTER &SearchFilter, double SearchDist, double *DistFromElem) const
INT32	FindClosestElement (ELEMTYPE ElemType, const DPOINT2D &SearchPt, double SearchDist, double *DistFromElem) const
ERRVALUE	FindClosestElements (const DPOINT2D &SearchPt, double SearchDist, SEARCHFILTER &SearchFilter, SIMPLE_ARRAY< RVC::ELEMENT > &ElementList, COMPONENT Component=COMPONENT_All) const
ERRVALUE	FindClosestElements (const DPOINT2D &SearchPt, double SearchDist, SIMPLE_ARRAY< RVC::ELEMENT > &ElementList, COMPONENT Component=COMPONENT_All) const
ERRVALUE	FindElementDrawSet (ELEMTYPE ElemType, const DRECT2D &SearchExtents, SEARCHRESULT &SearchResult) const
ERRVALUE	FindElementSearchSet (ELEMTYPE ElemType, const DRECT2D &SearchExtents, SEARCHRESULT &SearchResult) const
ERRVALUE	FindElementSet (ELEMTYPE ElemType, const DRECT2D &Extents, UNSIGNEDSET &ElemSet, bool BuildIndex=false) const
INT32	GetAttachmentIndex (const RVC::ELEMENT &Element) const
DIMENSION	GetDimension () const
ERRVALUE	GetElementExtents (ELEMTYPE ElemType, INT32 ElemNum, DRECT3D &Extents) const
INT32	GetNextElementID (ELEMTYPE ElemType) const
INT32	GetNumElements (ELEMTYPE ElemType) const
INT32	GetPointDimension () const
INT32	GetPointSize () const
POINTTYPE	GetPointType () const
double	GetTotalLineLength () const
bool	IsElementDeleted (const RVC::ELEMENT &Element) const
bool	IsEmpty () const
LABELITERATOR	LabelBegin (DIMENSION dim=DIMENSION_2D, STYLE *StyleObj=0)
LABELITERATOR	LabelEnd ()
LINEITERATOR	LineBegin (DIMENSION dim=DIMENSION_2D)
LINEITERATOR	LineEnd ()
NODEITERATOR	NodeBegin (DIMENSION dim=DIMENSION_3D)
NODEITERATOR	NodeEnd ()
RVC::GEOMETRIC &	operator= (const RVC::GEOMETRIC &rhs)
POINTITERATOR	PointBegin (DIMENSION dim=DIMENSION_2D)
POINTITERATOR	PointEnd ()
POLYGONITERATOR	PolygonBegin (DIMENSION dim=DIMENSION_2D)
POLYGONITERATOR	PolygonEnd ()
ERRVALUE	ReadElement (INT32 ElemNum, REGION2D &Region, DIMENSION dim) const
ERRVALUE	ReadElement (INT32 ElemNum, POLYLINE &PointList, DIMENSION dim) const
ERRVALUE	ReadElement (INT32 ElemNum, POLYLINELIST &LineList, DIMENSION dim) const
ERRVALUE	ReadNextLabel (ELEMENT &Element, MILIST< LABEL > &Label, DIMENSION dim=DIMENSION_2D, STYLE *StyleObj=0) const
ERRVALUE	ReadNextLine (ELEMENT &Element, POLYLINELIST &LineList, DIMENSION dim=DIMENSION_2D) const
ERRVALUE	ReadNextNode (ELEMENT &Element, DPOINT3D &Node) const
ERRVALUE	ReadNextPoint (ELEMENT &Element, POLYLINE &PointList, DIMENSION dim=DIMENSION_2D) const
ERRVALUE	ReadNextRegion (ELEMENT &Element, REGION2D &Region, DIMENSION dim=DIMENSION_2D) const
ERRVALUE	ReadRegion (const BITSET_UNOWNED &ElemSet, REGION2D &Region, DIMENSION dim, bool NoIslands=false) const
ERRVALUE	SetExtents (const DRECT3D &extents)
ERRVALUE	SetNextElementID (ELEMTYPE ElemType, INT32 NextElementID)
ERRVALUE	SetTotalLineLength (double length)
int	SetupElemTransList (const RVC::GEOMETRIC::ELEMSELECTPARMS &SelectParms, RVC::GEOMETRIC::ELEMTRANSLIST &TransList, RVC::GEOMETRIC::ELEMSELECTFILTER &SelectFilter) const
int	SetupElemTransList (const RVC::GEOMETRIC::ELEMSELECTPARMS &SelectParms, RVC::GEOMETRIC::ELEMTRANSLIST &TransList) const
bool	TestElementAgainstRegion (const RVC::ELEMENT &Element, const REGION2D &region, TESTCRITERIA TestMode) const
ERRVALUE	UpdateExtents (const DRECT3D &extents)
Static Public Member Functions
static RVC::GEOMETRIC *	GetGeometric (const RVC::OBJITEM &ObjItem)
static RVC::GEOMETRIC *	GetGeometric (const RVC::OBJECT &object)
static RVC::OBJTYPESET	GetObjTypeSet ()
static bool	IsGeometric (RVC::OBJTYPE ObjType)
Private Member Functions
virtual ERRVALUE	v_ExtractTo (RVC::GEOMETRIC &DestObj, RVC::GEOMETRIC::ELEMTRANSLIST &TransList, const TRANS2D_MAPGEN &tmg, RVC::GEOMETRIC::EXTRACTFLAGS ExtractFlags) const =0
virtual INT32	v_FindClosestElementLow (ELEMTYPE ElemType, const DPOINT2D &SearchPt, SEARCHFILTER SearchFilter, double SearchDist, double DistFromElem) const =0
virtual ERRVALUE	v_FindClosestElementsLow (const DPOINT2D &SearchPt, double SearchDist, SEARCHFILTER *SearchFilter, SIMPLE_ARRAY< RVC::ELEMENT > &ElementList, COMPONENT Component) const
virtual ERRVALUE	v_FindElementDrawSet (ELEMTYPE ElemType, const DRECT2D &SearchExtents, SEARCHRESULT &SearchResult) const
virtual ERRVALUE	v_FindElementSearchSet (ELEMTYPE ElemType, const DRECT2D &SearchExtents, SEARCHRESULT &SearchResult) const
virtual ERRVALUE	v_FindElementSet (ELEMTYPE ElemType, const DRECT2D &SearchExtents, UNSIGNEDSET &ElemSet, bool BuildIndex) const
virtual INT32	v_GetAttachmentIndex (const RVC::ELEMENT &Element) const
virtual ERRVALUE	v_GetElementExtents (ELEMTYPE ElemType, INT32 ElemNum, DRECT3D &Extents) const =0
virtual INT32	v_GetNextElementID (ELEMTYPE ElemType) const =0
virtual INT32	v_GetNumElements (ELEMTYPE ElemType) const =0
virtual INT32	v_GetPointSize () const =0
virtual POINTTYPE	v_GetPointType () const =0
virtual QSEARCHTREE *	v_GetSearchTree (ELEMTYPE ElemType) const =0
virtual SPATIALTREE *	v_GetSpatialTree () const
virtual double	v_GetTotalLineLength () const =0
virtual bool	v_IsElementDeleted (const RVC::ELEMENT &Element) const =0
virtual bool	v_IsEmpty () const =0
virtual ERRVALUE	v_ReadElement (INT32 ElemNum, REGION2D &Region, DIMENSION dim) const
virtual ERRVALUE	v_ReadElement (INT32 ElemNum, POLYLINE &PointList, DIMENSION dim) const
virtual ERRVALUE	v_ReadElement (INT32 ElemNum, POLYLINELIST &LineList, DIMENSION dim) const
virtual ERRVALUE	v_ReadNextLabel (ELEMENT &Element, MILIST< LABEL > &Label, DIMENSION dim, STYLE *StyleObj) const
virtual ERRVALUE	v_ReadNextLine (ELEMENT &Element, POLYLINELIST &LineList, DIMENSION dim) const
virtual ERRVALUE	v_ReadNextNode (ELEMENT &Element, DPOINT3D &Node) const
virtual ERRVALUE	v_ReadNextPoint (ELEMENT &Element, POLYLINE &PointList, DIMENSION dim) const
virtual ERRVALUE	v_ReadNextRegion (ELEMENT &Element, REGION2D &Region, DIMENSION dim) const
virtual ERRVALUE	v_ReadRegion (const BITSET_UNOWNED &ElemSet, REGION2D &Region, DIMENSION dim, bool NoIslands) const
virtual ERRVALUE	v_SetExtents (const DRECT3D &extents)=0
virtual ERRVALUE	v_SetNextElementID (ELEMTYPE ElemType, INT32 NextElementID)=0
virtual void	v_SetSearchTree (ELEMTYPE ElemType, QSEARCHTREE *SearchTree) const =0
virtual void	v_SetSpatialTree (SPATIALTREE *) const
virtual ERRVALUE	v_SetTotalLineLength (double length)=0
virtual int	v_SetupElemTransList (const RVC::GEOMETRIC::ELEMSELECTPARMS &SelectParms, RVC::GEOMETRIC::ELEMTRANSLIST &TransList, RVC::GEOMETRIC::ELEMSELECTFILTER *SelectFilter) const =0
virtual bool	v_TestElementAgainstRegion (const RVC::ELEMENT &Element, const REGION2D &region, TESTCRITERIA TestMode) const =0
virtual ERRVALUE	v_UpdateExtents (const DRECT3D &extents)=0

Detailed Description

Base for "geometric" objects.

Member Typedef Documentation

typedef MILIST<LABEL> RVC::GEOMETRIC::LABELLIST

Member Enumeration Documentation

enum RVC::GEOMETRIC::CAPABILITY

Enumerator:

CAPABILITY_None
CAPABILITY_OwnSearchMethods	Object has its own search methods (Oracle, MySQL, ...).
CAPABILITY_CanAddToEnd	Object can be modified by adding elements to the end of the object.
CAPABILITY_CanChangeElements	Existing object elements can be modified.
CAPABILITY_HasStyleByElement	Each element can have its own style settings.
CAPABILITY_ElementHasExtents	Each element has extents stored with it, except labels.
CAPABILITY_HasLabels	Object has labels.
CAPABILITY_LabelHasExtents	Each label has extents stored with it.
CAPABILITY_CanDeleteLastElement	Can delete the last element in the set.
CAPABILITY_CanDeleteAnyElement	Can delete any element in the set.
CAPABILITY_MultipleTableSupport	Format can support any number of tables.
CAPABILITY_HasSpatialTrees	Object can support spatial tree indexes.
CAPABILITY_HasQuadTrees	Object can support quad tree indexes.

Reimplemented from RVC::GEOSPATIAL.

enum RVC::GEOMETRIC::COMPONENT

Enumerator:

COMPONENT_Point
COMPONENT_Line
COMPONENT_Polygon
COMPONENT_Label
COMPONENT_Node
COMPONENT_Geometric
COMPONENT_All

enum RVC::GEOMETRIC::EXTRACTFLAGS

Enumerator:

EXTRACTFLAG_None
EXTRACTFLAG_RegionMethod	SelectMethod is a REGION2D.
EXTRACTFLAG_RemExRecords	Remove Excess (Unattached) database records.
EXTRACTFLAG_RemStdAttTables	Remove Standard Attribute database tables.
EXTRACTFLAG_IgnoreMissingLines	Ignore missing lines from extraction operation, polygon and node line lists.
EXTRACTFLAG_TableJoinNameStruct	Join tables in Append functions if names alike and compatable structures.
EXTRACTFLAG_TableJoinStruct	Join tables in Append functions if compatable structures.
EXTRACTFLAG_TableRemoveDupRec	Do not copy over records if exists in dest table.
EXTRACTFLAG_IgnorePolygonTables	Do not copy over polygon databases.
EXTRACTFLAG_RemoveTables	Remove destination tables.
EXTRACTFLAG_CopyHyperIndexSub	Copy Hyper index subobjects.
EXTRACTFLAG_DensifyPoints	Densify line points using transformation parameters.
EXTRACTFLAG_CreateNewTables	Copy records and tables instead of maintaining links.

enum RVC::GEOMETRIC::POINTTYPE

Enumerator:

POINTTYPE_2DXY	2-D coordinates, X and Y given (default)
POINTTYPE_3DXY	3-D coordinates, X, Y given, Z constant
POINTTYPE_3DXYZ	3-D coordinates, X, Y and Z given

Constructor & Destructor Documentation

RVC::GEOMETRIC::GEOMETRIC ( )

Default constructor.

RVC::GEOMETRIC::GEOMETRIC ( const RVC::GEOMETRIC & rhs )

Copy constructor.

virtual RVC::GEOMETRIC::~GEOMETRIC ( ) [pure virtual]

Destructor.

Member Function Documentation

ERRVALUE RVC::GEOMETRIC::AddSearchTreeElement	(	INT32	elemnum,
		ELEMTYPE	ElemType,
		const DPOINT2D &	Point
	)

Add an element to the search tree Need to call OpenSearchTree() before using this method.

ERRVALUE RVC::GEOMETRIC::AddSearchTreeElement	(	INT32	elemnum,
		ELEMTYPE	ElemType,
		const DRECT2D &	Extents
	)

Add an element to the search tree Need to call OpenSearchTree() before using this method.

ERRVALUE RVC::GEOMETRIC::BuildSearchTree ( const QSEARCHTREE::MAKEPARMS & MakeParms ) const

Populate a search tree given existing elements using the extents and number of elements given by the QSEARCHTREE::MAKEPARMS.

This will replace any existing search tree for this type with a new search tree.

ERRVALUE RVC::GEOMETRIC::BuildSearchTree ( ELEMTYPE ElemType ) const

Populate a search tree given existing elements using the extents and number of elements.

currently in the object. This will replace any existing search tree for this type with a new search tree.

ERRVALUE RVC::GEOMETRIC::ClearSearchTree ( const QSEARCHTREE::MAKEPARMS & MakeParms ) const

Clear a search tree using the extents and number of initial elements given by the QSEARCHTREE::MAKEPARMS.

Does not add known elements to the search tree.

ERRVALUE RVC::GEOMETRIC::CombineStylesTo	(	RVC::GEOMETRIC &	DestObj,
		SIMPLE_ARRAY< INT32 > &	FontTrans,
		SIMPLE_ARRAY< INT32 >	PattTrans[PATTERNTYPE_NumTypes]
	)			const

Combine styles from source object 'this' to the destination object 'DestObj'.

this method deals with style links from source tables Used for objects with direct style attachments (a.k.a CAD)

ERRVALUE RVC::GEOMETRIC::CombineStylesTo ( RVC::GEOMETRIC & DestObj ) const

Combine styles from source object 'this' to the destination object 'DestObj'.

this method deals with style links from source tables

ERRVALUE RVC::GEOMETRIC::CopySearchTreeElement	(	INT32	SourceElement,
		INT32	DestElement,
		ELEMTYPE	ElemType,
		const DPOINT2D &	Point
	)

Copy an element from one part of the search tree to another (atomic method) Need to call OpenSearchTree() before using this method.

ERRVALUE RVC::GEOMETRIC::CopySearchTreeElement	(	INT32	SourceElement,
		INT32	DestElement,
		ELEMTYPE	ElemType,
		const DRECT2D &	Extents
	)

Copy an element from one part of the search tree to another (atomic method) Need to call OpenSearchTree() before using this method.

ERRVALUE RVC::GEOMETRIC::CreateSMLContext ( SML::CONTEXT ** pcontext ) const

Create an SML context for the given derived class instance.

Parameters:

pcontext

SML context allocated and RETURNED

ERRVALUE RVC::GEOMETRIC::DeleteSearchTree ( ELEMTYPE ElemType )

Delete the search tree.

ERRVALUE RVC::GEOMETRIC::DeleteSearchTreeElement	(	INT32	elemnum,
		ELEMTYPE	ElemType,
		const DPOINT2D &	Point
	)

Delete an element from the search tree Need to call OpenSearchTree() before using this method.

ERRVALUE RVC::GEOMETRIC::DeleteSearchTreeElement	(	INT32	elemnum,
		ELEMTYPE	ElemType,
		const DRECT2D &	Extents
	)

Delete an element from the search tree Need to call OpenSearchTree() before using this method.

ERRVALUE RVC::GEOMETRIC::ExtractTo	(	RVC::GEOMETRIC &	DestObj,
		RVC::GEOMETRIC::ELEMTRANSLIST &	TransList,
		const TRANS2D_MAPGEN &	tmg,
		RVC::GEOMETRIC::EXTRACTFLAGS	ExtractFlags = `EXTRACTFLAG_None`
	)			const `[inline]`

Extract elements from source 'this' object to existing destination object Deals with database attachments and element transfers Not implemented TIN yet.

INT32 RVC::GEOMETRIC::FindClosestElement	(	ELEMTYPE	ElemType,
		const DPOINT2D &	SearchPt,
		SEARCHFILTER &	SearchFilter,
		double	SearchDist,
		double *	DistFromElem
	)			const `[inline]`

Determine closest element based on point and search distance with filter.

Returns:: Element found, -1 if no elements are close enough, < -1 if error

INT32 RVC::GEOMETRIC::FindClosestElement	(	ELEMTYPE	ElemType,
		const DPOINT2D &	SearchPt,
		double	SearchDist,
		double *	DistFromElem
	)			const `[inline]`

Determine closest element based on point and search distance.

Returns:: Element found, -1 if no elements are close enough, < -1 if error

ERRVALUE RVC::GEOMETRIC::FindClosestElements	(	const DPOINT2D &	SearchPt,
		double	SearchDist,
		SEARCHFILTER &	SearchFilter,
		SIMPLE_ARRAY< RVC::ELEMENT > &	ElementList,
		COMPONENT	Component = `COMPONENT_All`
	)			const `[inline]`

Determine set of elements that are within the 'SearchDist' of the 'SearchPt' with filter.

ERRVALUE RVC::GEOMETRIC::FindClosestElements	(	const DPOINT2D &	SearchPt,
		double	SearchDist,
		SIMPLE_ARRAY< RVC::ELEMENT > &	ElementList,
		COMPONENT	Component = `COMPONENT_All`
	)			const `[inline]`

Determine set of elements that are within the 'SearchDist' of the 'SearchPt'.

ERRVALUE RVC::GEOMETRIC::FindElementDrawSet	(	ELEMTYPE	ElemType,
		const DRECT2D &	SearchExtents,
		SEARCHRESULT &	SearchResult
	)			const

Obtain set of elements that fall within the rectangle, return list in 'SearchResult' This method will NOT build search trees to determine the elements that fall within the rectangle.

If a search or spatial tree is not available to limit the search, all elements will be returned

ERRVALUE RVC::GEOMETRIC::FindElementSearchSet	(	ELEMTYPE	ElemType,
		const DRECT2D &	SearchExtents,
		SEARCHRESULT &	SearchResult
	)			const

Obtain set of elements that fall within the rectangle, return list in 'SearchResult' This method will build search trees, if needed, to determine the elements that fall within the rectangle.

ERRVALUE RVC::GEOMETRIC::FindElementSet	(	ELEMTYPE	ElemType,
		const DRECT2D &	Extents,
		UNSIGNEDSET &	ElemSet,
		bool	BuildIndex = `false`
	)			const

Obtain set of elements that fall within specified extent, optionally building index/quadtree if needed.

Parameters:

	ElemType	Element type
	Extents	Extents
	ElemSet	Element set returned
	BuildIndex	Build search index (quadtree) if does not exist or is outdated

INT32 RVC::GEOMETRIC::GetAttachmentIndex ( const RVC::ELEMENT & Element ) const [inline]

Obtain the DBASE_ELEMENT Attachement index from the element specified.

Returns:: '-1' if element does not have a database attachment, >= 0 if it does.

DIMENSION RVC::GEOMETRIC::GetDimension ( ) const [inline]

Obtain DIMENSION type.

Returns:: DIMENSION type

ERRVALUE RVC::GEOMETRIC::GetElementExtents	(	ELEMTYPE	ElemType,
		INT32	ElemNum,
		DRECT3D &	Extents
	)			const `[inline]`

Obtain element extents using element type and element number.

Parameters:

Extents

Element extents RETURNED, set to invalid if error or element is deleted

static RVC::GEOMETRIC* RVC::GEOMETRIC::GetGeometric ( const RVC::OBJITEM & ObjItem ) [static]

Get geometric object referred to by 'ObjItem'.

Returns:: Allocated instance of RVC::GEOMETRIC object (must be 'delete'd) or 0 if error

static RVC::GEOMETRIC* RVC::GEOMETRIC::GetGeometric ( const RVC::OBJECT & object ) [static]

Get geometric object referred to by 'object'.

Returns:: Allocated instance of RVC::GEOMETRIC object (must be 'delete'd) or 0 if error

INT32 RVC::GEOMETRIC::GetNextElementID ( ELEMTYPE ElemType ) const [inline]

Obtain next element ID depending on element type.

Returns:: Element ID to be used for the next element

INT32 RVC::GEOMETRIC::GetNumElements ( ELEMTYPE ElemType ) const [inline]

Obtain number of elements based on element type Specifying ELEMTYPE_All will return the total combination of elements in the object.

Returns:: Number of elements if valid ELEMTYPE for object, -1 if not

static RVC::OBJTYPESET RVC::GEOMETRIC::GetObjTypeSet ( ) [static]

Get correct OBJTYPESET for all geometric OBJTYPE's.

Returns:: OBJTYPESET for all geometric OBJTYPE's

Reimplemented from RVC::GEOSPATIAL.

INT32 RVC::GEOMETRIC::GetPointDimension ( ) const [inline]

Obtain number of point coordinate dimensions.

Returns:: Number of dimensions

INT32 RVC::GEOMETRIC::GetPointSize ( ) const [inline]

Obtain size of point coordinate.

Returns:: Size of point in bytes

POINTTYPE RVC::GEOMETRIC::GetPointType ( ) const [inline]

Obtain point coordinate type.

Returns:: POINTTYPE coordinate type

double RVC::GEOMETRIC::GetTotalLineLength ( ) const [inline]

Obtain the total line length of all of the lines in the geometric object combined.

Returns:: Total length of all of the lines combined or zero if not computed

bool RVC::GEOMETRIC::IsElementDeleted ( const RVC::ELEMENT & Element ) const [inline]

Determine if the element in this object is deleted.

Returns:: 'true' if the element is deleted, 'false' if not.

bool RVC::GEOMETRIC::IsEmpty ( ) const [inline]

Determine if the object has any elements.

Returns:: 'true' if the object is empty, 'false' if not.

static bool RVC::GEOMETRIC::IsGeometric ( RVC::OBJTYPE ObjType ) [static]

Determine if the object type is a geometric object.

LABELITERATOR RVC::GEOMETRIC::LabelBegin	(	DIMENSION	dim = `DIMENSION_2D`,
		STYLE *	StyleObj = `0`
	)			`[inline]`

Obtain a start iterator for geometric labels.

Returns:: a LABELITERATOR instance that contains the first label or LabelEnd()

LABELITERATOR RVC::GEOMETRIC::LabelEnd ( ) [inline]

Obtain the end iterator for geometric labels.

LINEITERATOR RVC::GEOMETRIC::LineBegin ( DIMENSION dim = DIMENSION_2D ) [inline]

Obtain a start iterator for geometric lines.

Returns:: a LINEITERATOR instance that contains the first line or LineEnd()

LINEITERATOR RVC::GEOMETRIC::LineEnd ( ) [inline]

Obtain the end iterator for geometric lines.

NODEITERATOR RVC::GEOMETRIC::NodeBegin ( DIMENSION dim = DIMENSION_3D ) [inline]

Obtain a start iterator for geometric nodes.

Returns:: a NODEITERATOR instance that contains the first node or NodeEnd()

NODEITERATOR RVC::GEOMETRIC::NodeEnd ( ) [inline]

Obtain the end iterator for geometric nodes.

RVC::GEOMETRIC& RVC::GEOMETRIC::operator= ( const RVC::GEOMETRIC & rhs )

Assignment.

Reimplemented from RVC::OBJECT.

Reimplemented in RVC::CAD, RVC::GEOREGION, RVC::GEOTABLE, RVC::SHAPE, RVC::TIN, and RVC::VECTOR.

POINTITERATOR RVC::GEOMETRIC::PointBegin ( DIMENSION dim = DIMENSION_2D ) [inline]

Obtain a start iterator for geometric points.

Returns:: a POINTITERATOR instance that contains the first point set or PointEnd()

POINTITERATOR RVC::GEOMETRIC::PointEnd ( ) [inline]

Obtain the end iterator for geometric points.

POLYGONITERATOR RVC::GEOMETRIC::PolygonBegin ( DIMENSION dim = DIMENSION_2D ) [inline]

Obtain a start iterator for geometric polygons.

Returns:: a POLYGONITERATOR instance that contains the first polygon set or PolygonEnd()

POLYGONITERATOR RVC::GEOMETRIC::PolygonEnd ( ) [inline]

Obtain the end iterator for geometric polygons.

ERRVALUE RVC::GEOMETRIC::ReadElement	(	INT32	ElemNum,
		REGION2D &	Region,
		DIMENSION	dim
	)			const `[inline]`

Read an element into 'Region'. Region will be empty if the element is not a 'polygon' type.

ERRVALUE RVC::GEOMETRIC::ReadElement	(	INT32	ElemNum,
		POLYLINE &	PointList,
		DIMENSION	dim
	)			const `[inline]`

Read an element into 'PointList'. PointList will be empty if the element is not a 'point' type.

ERRVALUE RVC::GEOMETRIC::ReadElement	(	INT32	ElemNum,
		POLYLINELIST &	LineList,
		DIMENSION	dim
	)			const `[inline]`

Read an element into 'LineList'. LineList will be empty if the element is not a 'line' type.

ERRVALUE RVC::GEOMETRIC::ReadNextLabel	(	ELEMENT &	Element,
		MILIST< LABEL > &	Label,
		DIMENSION	dim = `DIMENSION_2D`,
		STYLE *	StyleObj = `0`
	)			const `[inline]`

Read the next label in order based on the previous label given The 'Element' field determines which element was previously read and will be set to the next element that was read on this method's return.