LasDetails Namespace Reference

Classes
struct	EvlrHeader
struct	LasVersion
	See SelectBestVersion More...

Functions
uint16_t	PointFormatSize (unsigned pointFormat)
uint16_t	HeaderSize (unsigned versionMinor)
	Returns the header size for the given minor version of the standard used. More...
bool	HasGpsTime (unsigned pointFormatId)
	Returns whether the point format supports Gps Time. More...
bool	HasRGB (unsigned pointFormatId)
	Returns whether the point format supports RGB. More...
bool	HasWaveform (unsigned pointFormatId)
	Returns whether the point format supports Waveforms. More...
bool	HasNearInfrared (unsigned pointFormatId)
	Returns whether the point format support Near Infrared. More...
unsigned	SizeOfVlrs (const laszip_vlr_struct *vlrs, unsigned numVlrs)
bool	IsLaszipVlr (const laszip_vlr_struct &)
	Returns whether the vlr is the vlr for/of LASzip compression. More...
bool	IsExtraBytesVlr (const laszip_vlr_struct &)
	Returns whether the vlr describes extra bytes. More...
const std::vector< unsigned > *	PointFormatsAvailableForVersion (QString version)
const std::array< const char *, 3 > &	AvailableVersions ()
LasVersion	SelectBestVersion (const ccPointCloud &cloud)
void	CloneVlrInto (const laszip_vlr_struct &src, laszip_vlr_struct &dst)
	Clones the content of the src vlr into the dst vlr. More...
QDataStream &	operator>> (QDataStream &stream, EvlrHeader &hdr)
QDataStream &	operator<< (QDataStream &stream, const EvlrHeader &hdr)

Variables
constexpr unsigned	OVERLAP_FLAG_BIT_POS = 3
constexpr unsigned	OVERLAP_FLAG_BIT_MASK = 1 << OVERLAP_FLAG_BIT_POS

Function Documentation

AvailableVersions()

const std::array< const char *, 3 > & LasDetails::AvailableVersions

(

)

Definition at line 177 of file LasDetails.cpp.

References VersionsArray.

Referenced by LasSaveDialog::LasSaveDialog().

CloneVlrInto()

void LasDetails::CloneVlrInto	(	const laszip_vlr_struct &	src,
		laszip_vlr_struct &	dst
	)

Clones the content of the src vlr into the dst vlr.

Definition at line 285 of file LasDetails.cpp.

References copy.

Referenced by LasVlr::LasVlr().

HasGpsTime()

bool LasDetails::HasGpsTime ( unsigned  pointFormatId )

inline

Returns whether the point format supports Gps Time.

Definition at line 125 of file LasDetails.h.

Referenced by LasScalarField::ForPointFormat(), and LasOpenDialog::setInfo().

HasNearInfrared()

bool LasDetails::HasNearInfrared ( unsigned  pointFormatId )

inline

Returns whether the point format support Near Infrared.

Definition at line 151 of file LasDetails.h.

Referenced by LasScalarField::ForPointFormat().

HasRGB()

bool LasDetails::HasRGB ( unsigned  pointFormatId )

inline

Returns whether the point format supports RGB.

Definition at line 132 of file LasDetails.h.

Referenced by LasSaveDialog::handleSelectedPointFormatChange(), LasIOFilter::loadFile(), LasSaver::saveNextPoint(), and LasOpenDialog::setInfo().

HasWaveform()

bool LasDetails::HasWaveform ( unsigned  pointFormatId )

inline

Returns whether the point format supports Waveforms.

Definition at line 143 of file LasDetails.h.

Referenced by LasSaveDialog::handleSelectedPointFormatChange(), LasSaver::LasSaver(), and LasIOFilter::loadFile().

HeaderSize()

uint16_t LasDetails::HeaderSize

(

unsigned

versionMinor

)

Returns the header size for the given minor version of the standard used.

Definition at line 112 of file LasDetails.cpp.

IsExtraBytesVlr()

bool LasDetails::IsExtraBytesVlr

(

const laszip_vlr_struct &

vlr

)

Returns whether the vlr describes extra bytes.

Definition at line 136 of file LasDetails.cpp.

Referenced by LasVlr::LasVlr(), and LasExtraScalarField::ParseExtraScalarFields().

IsLaszipVlr()

bool LasDetails::IsLaszipVlr

(

const laszip_vlr_struct &

vlr

)

Returns whether the vlr is the vlr for/of LASzip compression.

Definition at line 127 of file LasDetails.cpp.

Referenced by LasVlr::LasVlr().

operator<<()

QDataStream& LasDetails::operator<<	(	QDataStream &	stream,
		const EvlrHeader &	hdr
	)

Definition at line 66 of file LasDetails.cpp.

operator>>()

QDataStream& LasDetails::operator>>	(	QDataStream &	stream,
		EvlrHeader &	hdr
	)

Definition at line 50 of file LasDetails.cpp.

PointFormatsAvailableForVersion()

const std::vector< unsigned > * LasDetails::PointFormatsAvailableForVersion

(

QString

version

)

Returns point the formats available for the given version.

If the version does not exists or is not supported a nullptr is returned.

Parameters

version

version string, must be "major.minor" e.g. "1.2"

Definition at line 155 of file LasDetails.cpp.

References PointFormatForV1_2, PointFormatForV1_3, PointFormatForV1_4, version, and CVLog::Warning().

Referenced by LasSaveDialog::handleSelectedPointFormatChange(), and LasSaveDialog::handleSelectedVersionChange().

PointFormatSize()

uint16_t LasDetails::PointFormatSize

(

unsigned

pointFormat

)

Returns the size for the given point format id

Returns a size of 0 if the point format does not exists or is not handled

Parameters

pointFormat

the point format

Returns

Definition at line 80 of file LasDetails.cpp.

SelectBestVersion()

LasVersion LasDetails::SelectBestVersion

(

const ccPointCloud &

cloud

)

This function looks into the point cloud and returns a LAS version + point format that best matches what the point cloud contains as scalar fields.

Definition at line 182 of file LasDetails.cpp.

References LasNames::Classification, LasScalarField::Classification, cloudViewer::ScalarField::getMax(), cloudViewer::PointCloudTpl< T >::getScalarField(), cloudViewer::PointCloudTpl< T >::getScalarFieldIndexByName(), LasNames::GpsTime, ccPointCloud::hasColors(), ccPointCloud::hasFWF(), LasScalarField::Range::max, LasNames::NearInfrared, LasNames::NumberOfReturns, LasScalarField::NumberOfReturns, LasNames::OverlapFlag, LasNames::ReturnNumber, LasNames::ScanAngle, LasNames::ScannerChannel, and LasScalarField::ValueRange().

Referenced by LasIOFilter::saveToFile().

SizeOfVlrs()

unsigned LasDetails::SizeOfVlrs	(	const laszip_vlr_struct *	vlrs,
		unsigned	numVlrs
	)

Returns the number of bytes the vlrs amounts to. This includes the headers of each vlrs.

Definition at line 145 of file LasDetails.cpp.

References LAS_VLR_HEADER_SIZE, and size.

Referenced by LasSaver::LasSaver().

Variable Documentation

OVERLAP_FLAG_BIT_MASK

constexpr unsigned LasDetails::OVERLAP_FLAG_BIT_MASK = 1 << OVERLAP_FLAG_BIT_POS

constexpr

Definition at line 85 of file LasDetails.h.

Referenced by LasScalarFieldLoader::handleScalarFields(), and LasScalarFieldSaver::handleScalarFields().

OVERLAP_FLAG_BIT_POS

constexpr unsigned LasDetails::OVERLAP_FLAG_BIT_POS = 3

constexpr

Definition at line 84 of file LasDetails.h.