otb::FieldCopyTransformation Struct Reference

#include <otbGeometriesToGeometriesFilter.h>

Collaboration diagram for otb::FieldCopyTransformation:

Public Member Functions
void	DefineFields (ogr::Layer const &source, ogr::Layer &dest) const
void	fieldsTransform (ogr::Feature const &) const
void	fieldsTransform (ogr::Feature const &inFeature, ogr::Feature &outFeature) const
OGRFeatureDefn &	getDefinition (ogr::Layer &outLayer) const

Private Attributes
std::map< int, int >	m_SourceToDestFieldIndicesMap

Detailed Description

Helper class to operate an exact copy of the fields from a source layer.

Since

OTB v 3.14.0

Definition at line 193 of file otbGeometriesToGeometriesFilter.h.

Member Function Documentation

DefineFields()

void otb::FieldCopyTransformation::DefineFields	(	ogr::Layer const &	source,
		ogr::Layer &	dest
	)		const

Defines the fields in the destination layer. The default action is to copy all fields from one layer to another.

Parameters

[in]	source	source Layer
[in,out]	dest	destination Layer

Exceptions

itk::ExceptionObject

in case the operation cannot succeed.

fieldsTransform() [1/2]

void otb::FieldCopyTransformation::fieldsTransform ( ogr::Feature const &  ) const

inline

In-place transformation: does nothing.

Exceptions

Nothing

Definition at line 204 of file otbGeometriesToGeometriesFilter.h.

fieldsTransform() [2/2]

void otb::FieldCopyTransformation::fieldsTransform	(	ogr::Feature const &	inFeature,
		ogr::Feature &	outFeature
	)		const

By-Copy transformation: copies all fields.

Parameters

[in]	inFeature	input Feature
[in,out]	outFeature	output Feature

Exceptions

itk::ExceptionObject

if the fields cannot be copied.

getDefinition()

OGRFeatureDefn& otb::FieldCopyTransformation::getDefinition ( ogr::Layer &  outLayer ) const

inline

Definition at line 195 of file otbGeometriesToGeometriesFilter.h.

References otb::ogr::Layer::GetLayerDefn().

Member Data Documentation

m_SourceToDestFieldIndicesMap

std::map<int, int> otb::FieldCopyTransformation::m_SourceToDestFieldIndicesMap

mutableprivate

Associative table to know how fields are mapped from one layer to another. This table is necessary as:

• some data source drivers add their own fields (as a consequence, the number of fields differ between two layers).
• other data source drivers truncate the name of the fields (as a consequence, we can't rely on field names).

  Todo:

  std::map may not be the fastest structure available => use a (sorted?) vector of pairs of ints, and search with a simple std::find (as we can expect the number of fields to be quite low).

Definition at line 238 of file otbGeometriesToGeometriesFilter.h.

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

• otbGeometriesToGeometriesFilter.h