createAoi: Create aoi polygon from topleft and bottomright coordinates

In water: Actual Evapotranspiration with Energy Balance Models

Description

An AOI (Area of Interest) is created based on two points (topleft and bottomright) using a coordinate reference system.

Usage

createAoi(topleft, bottomright, EPSG)

Arguments

topleft	a vector with topleft x,y coordinates
bottomright	a vector with bottomright x,y coordinates
EPSG	Coordinate reference system EPSG code

Value

object of class SpatialPolygons

Author(s)

Guillermo Federico Olmedo

Fonseca-Luengo, David

See Also

Other support functions: checkSRTMgrids, prepareSRTMdata

Examples

tl <- c(493300, -3592700)
br <- c(557200, -3700000) 
aoi <- createAoi(topleft = tl, bottomright=br, EPSG=32619)
plot(aoi)

Example output

Loading required package: raster
Loading required package: sp
Loading required package: rgdal
rgdal: version: 1.5-18, (SVN revision 1082)
Geospatial Data Abstraction Library extensions to R successfully loaded
Loaded GDAL runtime: GDAL 3.0.4, released 2020/01/28
Path to GDAL shared files: /usr/share/gdal
GDAL binary built with GEOS: TRUE 
Loaded PROJ runtime: Rel. 6.3.1, February 10th, 2020, [PJ_VERSION: 631]
Path to PROJ shared files: /usr/share/proj
Linking to sp version:1.4-4
To mute warnings of possible GDAL/OSR exportToProj4() degradation,
use options("rgdal_show_exportToProj4_warnings"="none") before loading rgdal.

water documentation built on May 2, 2019, 2:17 a.m.