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24.2.6. Vector conversion

24.2.6.1. Keisti formatą

Converts any OGR-supported vector layer into another OGR-supported format.

This algorithm is derived from the ogr2ogr utility.

Parametrai

Baziniai parametrai

Užrašas	Pavadinimas	Tipas	Aprašymas
Įvesties sluoksnis	INPUT	[vector: any]	Įvesties vektorinis sluoksnis
Convert all layers from dataset	CONVERT_ALL_LAYERS	[boolean] Numatytas: ne	Converts the whole dataset. Supported output formats for this option are GPKG and GML.
Pakeistas	OUTPUT	[toks pat, kaip įvestis]	Specification of the output vector layer. One of: Įrašyti į laikiną failą Įrašyti į failą… For Save to File, the output format has to be specified. All GDAL vector formats are supported. For Save to a Temporary File the QGIS default vector format will be used.

Advanced parameters

Užrašas	Pavadinimas	Tipas	Aprašymas
Additional creation options Pasirinktinis	OPTIONS	[string] Default: ‚‘ (no additional options)	Additional GDAL creation options.

Išvestys

Užrašas	Pavadinimas	Tipas	Aprašymas
Pakeistas	OUTPUT	[toks pat, kaip įvestis]	The output vector layer

Pythono kodas

Algorithm ID: gdal:convertformat

import processing
processing.run("algorithm_id", {parameter_dictionary})

algoritmo id rodomas, kai užvedate pelę virš algoritmo apdorojimo įrankinėje. parametrų žodynas teikia parametrų pavadinimus ir reikšmes. Daugiau informacijos apie tai, kaip vykdyti apdorojimo algoritmus Pythono konsolėje rasite skyriuje Using processing algorithms from the console.

24.2.6.2. Rasterize (overwrite with attribute)

Overwrites a raster layer with values from a vector layer. New values are assigned based on the attribute value of the overlapping vector feature.

This algorithm is derived from the GDAL rasterize utility.

Parametrai

Baziniai parametrai

Užrašas	Pavadinimas	Tipas	Aprašymas
Įvesties sluoksnis	INPUT	[vector: geometry]	Įvesties vektorinis sluoksnis
Input raster layer	INPUT_RASTER	[raster]	Input raster layer
Field to use for a burn-in value Pasirinktinis	FIELD	[tablefield: numeric]	Defines the attribute field to use to set the pixels values

Advanced parameters

Užrašas	Pavadinimas	Tipas	Aprašymas
Add burn in values to existing raster values	ADD	[boolean] Numatytas: ne	If False, pixels are assigned the selected field’s value. If True, the selected field’s value is added to the value of the input raster layer.
Additional command-line parameters Pasirinktinis	EXTRA	[string] Default: ‚‘	Add extra GDAL command line options

Išvestys

Užrašas	Pavadinimas	Tipas	Aprašymas
Rasterized	OUTPUT	[raster]	The overwritten input raster layer

Pythono kodas

Algorithm ID: gdal:rasterize_over

import processing
processing.run("algorithm_id", {parameter_dictionary})

algoritmo id rodomas, kai užvedate pelę virš algoritmo apdorojimo įrankinėje. parametrų žodynas teikia parametrų pavadinimus ir reikšmes. Daugiau informacijos apie tai, kaip vykdyti apdorojimo algoritmus Pythono konsolėje rasite skyriuje Using processing algorithms from the console.

24.2.6.3. Rasterize (overwrite with fixed value)

Overwrites parts of a raster layer with a fixed value. The pixels to overwrite are chosen based on the supplied (overlapping) vector layer.

This algorithm is derived from the GDAL rasterize utility.

Parametrai

Baziniai parametrai

Užrašas	Pavadinimas	Tipas	Aprašymas
Įvesties sluoksnis	INPUT	[vector: geometry]	Įvesties vektorinis sluoksnis
Input raster layer	INPUT_RASTER	[raster]	Input raster layer
A fixed value to burn	BURN	[number: double] Default: 0.0	The value to burn

Advanced parameters

Užrašas	Pavadinimas	Tipas	Aprašymas
Add burn in values to existing raster values	ADD	[boolean] Numatytas: ne	If False, pixels are assigned the fixed value. If True, the fixed value is added to the value of the input raster layer.
Additional command-line parameters Pasirinktinis	EXTRA	[string] Default: ‚‘	Add extra GDAL command line options

Išvestys

Užrašas	Pavadinimas	Tipas	Aprašymas
Rasterized	OUTPUT	[raster]	The overwritten input raster layer

Pythono kodas

Algorithm ID: gdal:rasterize_over_fixed_value

import processing
processing.run("algorithm_id", {parameter_dictionary})

algoritmo id rodomas, kai užvedate pelę virš algoritmo apdorojimo įrankinėje. parametrų žodynas teikia parametrų pavadinimus ir reikšmes. Daugiau informacijos apie tai, kaip vykdyti apdorojimo algoritmus Pythono konsolėje rasite skyriuje Using processing algorithms from the console.

24.2.6.4. Rasterize (vector to raster)

Converts vector geometries (points, lines and polygons) into a raster image.

This algorithm is derived from the GDAL rasterize utility.

Default menu: Raster ► Conversion

Parametrai

Baziniai parametrai

Užrašas	Pavadinimas	Tipas	Aprašymas
Įvesties sluoksnis	INPUT	[vector: geometry]	Įvesties vektorinis sluoksnis
Field to use for a burn-in value Pasirinktinis	FIELD	[tablefield: numeric]	Defines the attribute field from which the attributes for the pixels should be chosen
A fixed value to burn Pasirinktinis	BURN	[number: double] Default: 0.0	A fixed value to burn into a band for all features.
Burn value extracted from the „Z“ values of the feature	USE_Z	[boolean] Numatytas: ne	Indicates that a burn value should be extracted from the „Z“ values of the feature. Works with points and lines (linear interpolation along each segment). For polygons, works properly only if they are flat (same Z value for all vertices)
Output raster size units	UNITS	[sąrašas] Numatytas: 0	Units to use when defining the output raster size/resolution. One of: 0 — Pixels 1 — Georeferenced units
Width/Horizontal resolution	WIDTH	[number: double] Default: 0.0	Sets the width (if size units is „Pixels“) or horizontal resolution (if size units is „Georeferenced units“) of the output raster. Minimum value: 0.0.
Height/Vertical resolution	HEIGHT	[number: double] Default: 0.0	Sets the height (if size units is „Pixels“) or vertical resolution (if size units is „Georeferenced units“) of the output raster.
Output extent Pasirinktinis	EXTENT	[extent]	Extent of the output raster layer. If the extent is not specified, the minimum extent that covers the selected reference layer(s) will be used. Available methods are: Calculate from layer…: uses extent of a layer loaded in the current project Calculate from layout map…: uses extent of a layout map item in the active project Calculate from bookmark…: uses extent of a saved bookmark Use map canvas extent Draw on canvas: click and drag a rectangle delimiting the area to take into account Enter the coordinates as xmin, xmax, ymin, ymax
Assign a specified NoData value to output bands Pasirinktinis	NODATA	[number: double] Default: 0.0	Assigns a specified NoData value to output bands
Rasterized	OUTPUT	[raster] Numatytas: [Įrašyti į laikiną failą]	Specification of the output raster layer. One of: Įrašyti į laikiną failą Įrašyti į failą… For Save to File, the output format has to be specified. All GDAL raster formats are supported. For Save to a Temporary File the QGIS default raster format will be used.

Advanced parameters

Užrašas	Pavadinimas	Tipas	Aprašymas
Additional creation options Pasirinktinis	OPTIONS	[string] Default: ‚‘	For adding one or more creation options that control the raster to be created (colors, block size, file compression…). For convenience, you can rely on predefined profiles (see GDAL driver options section). Batch Process and Model Designer: separate multiple options with a pipe character (|).
Output data type	DATA_TYPE	[sąrašas] Default: 5	Defines the format of the output raster file. Options: 0 — Byte (Eight bit unsigned integer (quint8)) 1 — Int16 (Sixteen bit signed integer (qint16)) 2 — UInt16 (Sixteen bit unsigned integer (quint16)) 3 — UInt32 (Thirty two bit unsigned integer (quint32)) 4 — Int32 (Thirty two bit signed integer (qint32)) 5 — Float32 (Thirty two bit floating point (float)) 6 — Float64 (Sixty four bit floating point (double)) 7 — CInt16 (Complex Int16) 8 — CInt32 (Complex Int32) 9 — CFloat32 (Complex Float32) 10 — CFloat64 (Complex Float64) 11 — Int8 (Eight bit signed integer (qint8)) Available options depend on the GDAL version built with QGIS (see Help ► About menu)
Pre-initialize the output image with value Pasirinktinis	INIT	[number: double]	Pre-initializes the output image bands with this value. Not marked as the NoData value in the output file. The same value is used in all the bands.
Invert rasterization	INVERT	[boolean] Numatytas: ne	Burns the fixed burn value, or the burn value associated with the first feature into all parts of the image not inside the provided polygon.
Additional command-line parameters Pasirinktinis	EXTRA	[string] Default: ‚‘	Add extra GDAL command line options

Išvestys

Užrašas	Pavadinimas	Tipas	Aprašymas
Rasterized	OUTPUT	[raster]	Output raster layer

Pythono kodas

Algorithm ID: gdal:rasterize

import processing
processing.run("algorithm_id", {parameter_dictionary})

algoritmo id rodomas, kai užvedate pelę virš algoritmo apdorojimo įrankinėje. parametrų žodynas teikia parametrų pavadinimus ir reikšmes. Daugiau informacijos apie tai, kaip vykdyti apdorojimo algoritmus Pythono konsolėje rasite skyriuje Using processing algorithms from the console.