November 2018
Beginner to intermediate
354 pages
6h 59m
English
Content preview from Hands-On Geospatial Analysis with R and QGIS
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Working with raster data in R
R has some dedicated packages for working with raster data. We can use raster, RStoolbox, and more to analyze raster data in R. We can use the readMeta() function of RStoolbox in R to read the metadata of raster data. Let's read the metadata of some Landsat data now:
library(RStoolbox)# Set the working directorysetwd("F:/Hands-on-Geospatial-Analysis-Using-R-and-QGIS/Chapter05/Data")# Read metadatameta_data = readMeta("Mosaic/LC08_L1TP_137043_20180410_20180417_01_T1/LC08_L1TP_137043_20180410_20180417_01_T1_MTL.txt")summary(meta_data)
This will give us the metadata of this Landsat image, where we can see that it has 11 bands, UTM projection, and WGS84 as datum:
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