Geo::GDAL::Dataset Class Reference

Inheritance diagram for Geo::GDAL::Dataset:

List of all members.

Public Class Methods
Geo::GDAL::Dataset	Open (scalar name, scalar access='ReadOnly')
Geo::GDAL::Dataset	OpenShared (scalar name, scalar access='ReadOnly')
Public Object Methods
list	Size ()
Geo::GDAL::Driver	GetDriver ()
Geo::GDAL::Band	Band (scalar index)
scalar	GetRasterBand (scalar index)
list	Bands ()
scalar	Projection (scalar projection)
scalar	GetProjection ()
scalar	GetProjectionRef ()
scalar	SetProjection (scalar proj)
list	GeoTransform (list geo_transform)
listref	GetGeoTransform ()
	SetGeoTransform (listref GeoTransform)
	BuildOverviews (scalar resampling="NEAREST", listref overviews=undef)
list	GCPs (list GCPs, scalar GCPProjection)
scalar	GetGCPCount ()
scalar	GetGCPProjection ()
listref	GetGCPs ()
	SetGCPs (listref GCPs, scalar GCPProjection)
	FlushCache ()
	AddBand (scalar datatype= 'Byte', listref options=0)
	WriteRaster (scalar xoff, scalar yoff, scalar xsize, scalar ysize, scalar buf, scalar buf_xsize=undef, scalar buf_ysize=undef, scalar buf_type=undef, listref band_list=undef)
scalar	ReadRaster (scalar xoff, scalar yoff, scalar xsize, scalar ysize, scalar buf_xsize=undef, scalar buf_ysize=undef, scalar buf_type=undef, listref band_list=undef)
	CreateMaskBand ()
Public Attributes
	RasterXSize
	RasterYSize
	RasterCount

---

Member Function Documentation

Geo::GDAL::Dataset::AddBand	(	scalar	datatype = 'Byte',
		listref	options = 0
	)

Parameters:

datatype
options

Geo::GDAL::Band Geo::GDAL::Dataset::Band

(

scalar

index

)

Parameters:

index

1...RasterCount

Returns:

a new Geo::GDAL::Band object

list Geo::GDAL::Dataset::Bands

(

)

Returns:

a list of new Geo::GDAL::Band objects

Geo::GDAL::Dataset::BuildOverviews	(	scalar	resampling = "NEAREST",
		listref	overviews = undef
	)

Parameters:

resampling
overviews

Geo::GDAL::Dataset::CreateMaskBand

(

)

Geo::GDAL::Dataset::FlushCache

(

)

list Geo::GDAL::Dataset::GCPs	(	list	GCPs,
		scalar	GCPProjection
	)

Get or set the GCPs and their projection.

Parameters:

GCPs	[optional] a list of Geo::GDAL::GCP objects
GCPProjection	[optional]

Returns:

a list of Geo::GDAL::GCP objects followed by a GCPProjection

list Geo::GDAL::Dataset::GeoTransform

(

list

geo_transform

)

Parameters:

geo_transform

[optional]

Geo::GDAL::Driver Geo::GDAL::Dataset::GetDriver

(

)

Returns:

a new Geo::GDAL::Driver object

scalar Geo::GDAL::Dataset::GetGCPCount

(

)

Returns:

the number of GCPs

scalar Geo::GDAL::Dataset::GetGCPProjection

(

)

Returns:

listref Geo::GDAL::Dataset::GetGCPs

(

)

Returns:

listref Geo::GDAL::Dataset::GetGeoTransform

(

)

Returns:

a reference to an array of six parameters

scalar Geo::GDAL::Dataset::GetProjection

(

)

Returns:

the projection

scalar Geo::GDAL::Dataset::GetProjectionRef

(

)

Returns:

a string

scalar Geo::GDAL::Dataset::GetRasterBand

(

scalar

index

)

An alisa to Band

Geo::GDAL::Dataset Geo::GDAL::Dataset::Open	(	scalar	name,
		scalar	access = 'ReadOnly'
	)

Parameters:

name
access

Returns:

a new Geo::GDAL::Dataset object

Reimplemented from Geo::GDAL.

Geo::GDAL::Dataset Geo::GDAL::Dataset::OpenShared	(	scalar	name,
		scalar	access = 'ReadOnly'
	)

Parameters:

name
access	either ReadOnly or Update

Returns:

a new Geo::GDAL::Dataset object

Reimplemented from Geo::GDAL.

scalar Geo::GDAL::Dataset::Projection

(

scalar

projection

)

Get or set the projection.

Parameters:

projection

[optional]

Returns:

the projection

scalar Geo::GDAL::Dataset::ReadRaster	(	scalar	xoff,
		scalar	yoff,
		scalar	xsize,
		scalar	ysize,
		scalar	buf_xsize = undef,
		scalar	buf_ysize = undef,
		scalar	buf_type = undef,
		listref	band_list = undef
	)

Read a buffer from the raster.

Parameters:

xoff
yoff
xsize
ysize
buf_xsize
buf_ysize
buf_type
band_list

Returns:

a buffer, open the buffer with unpack.

Geo::GDAL::Dataset::SetGCPs	(	listref	GCPs,
		scalar	GCPProjection
	)

Parameters:

GCPs
GCPProjection

Geo::GDAL::Dataset::SetGeoTransform

(

listref

GeoTransform

)

Parameters:

GeoTransform

scalar Geo::GDAL::Dataset::SetProjection

(

scalar

proj

)

Parameters:

proj

a string

list Geo::GDAL::Dataset::Size

(

)

Returns:

(width, height)

Geo::GDAL::Dataset::WriteRaster	(	scalar	xoff,
		scalar	yoff,
		scalar	xsize,
		scalar	ysize,
		scalar	buf,
		scalar	buf_xsize = undef,
		scalar	buf_ysize = undef,
		scalar	buf_type = undef,
		listref	band_list = undef
	)

Write a buffer into the raster. Create the buffer with pack. Entry in GDAL docs

Parameters:

xoff
yoff
xsize
ysize
buf
buf_xsize
buf_ysize
buf_type
band_list

---

Member Data Documentation

Geo::GDAL::Dataset::RasterCount

scalar (access as $dataset->{RasterCount})

Geo::GDAL::Dataset::RasterXSize

scalar (access as $dataset->{RasterXSize})

Geo::GDAL::Dataset::RasterYSize

scalar (access as $dataset->{RasterYSize})

---

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

• lib/Geo/GDAL.pm