Type: Package
Title: Extract Values from Raster
Version: 9.1.6
Date: 2023-05-13
Author: Suhadip Datta
Maintainer: Subhadip Datta <subhadipdatta007@gmail.com>
Description: By using a multispectral image and ESRI shapefile (Point/ Line/ Polygon), a data table will be generated for classification, regression or other processing. The data table will be contained by band wise raster values and shapefile ids (User Defined).
License: GPL-3
Repository: CRAN
Depends: raster
Encoding: UTF-8
RoxygenNote: 7.2.3
NeedsCompilation: no
Packaged: 2023-05-13 13:41:40 UTC; subha
Date/Publication: 2023-05-13 14:02:03 UTC

Add a Line shapefile and raster image.

Description

Add a Line shapefile and raster image.

Usage

ExtractByLine(img, line.shp, In.colName, Out.colName)

Arguments

img

Raster image

line.shp

Line shapefile with class info

In.colName

Name of the column contain line id's

Out.colName

Name of the output column contain line id's

Author(s)

Subhadip Datta

Examples

library(raster)
library(ExtractTrainData)
img<-brick(system.file("extdata","ras.tif",package = "ExtractTrainData"))
line.shp<-shapefile(system.file("extdata","lines.shp",package = "ExtractTrainData"))
Out.colName<-In.colName<-"Id"
ExtractByLine(img,line.shp,In.colName,Out.colName)

Add a Point shapefile and raster image.

Description

Add a Point shapefile and raster image.

Usage

ExtractByPoint(img, point.shp, In.colName, Out.colName)

Arguments

img

Raster image

point.shp

Point shapefile with class info

In.colName

Name of the column contain point id's

Out.colName

Name of the output column contain point id's

Author(s)

Subhadip Datta

Examples

library(raster)
library(ExtractTrainData)
img<-brick(system.file("extdata","ras.tif",package = "ExtractTrainData"))
point.shp<-shapefile(system.file("extdata","poin.shp",package = "ExtractTrainData"))
Out.colName<-In.colName<-"Id"
ExtractByPoint(img,point.shp,In.colName,Out.colName)

Add a Polygon shapefile and raster image.

Description

Add a Polygon shapefile and raster image.

Usage

ExtractByPoly(img, poly.shp, In.colName, Out.colName)

Arguments

img

Raster image

poly.shp

Polygon shapefile with class info

In.colName

Name of the column contain polygon id's

Out.colName

Name of the output column contain polygon id's

Author(s)

Subhadip Datta

Examples

library(raster)
library(ExtractTrainData)
img<-brick(system.file("extdata","ras.tif",package = "ExtractTrainData"))
poly.shp<-shapefile(system.file("extdata","poly_shp.shp",package = "ExtractTrainData"))
Out.colName<-In.colName<-"Id"

ExtractByPoly(img,poly.shp,In.colName,Out.colName)

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