parsedata: Parse metadata

In bendv/landsatmeta:

Description

Parse select attributes from metadata csv files

Usage

parsedata(files)

Arguments

files

Character. Vector of input csv filenames (from EarthExplorer)

Value

data.frame with cloud cover per date per image

Examples

fl <- list.files('inst/extdata/', pattern = glob2rx('*.csv'), full.names = TRUE)
df <- parsedata(fl)
head(df)
tail(df)

# plot cloud cover per DOY per year per path/row
library(magrittr)
library(ggplot2)
df$year <- format(df$date, format = "%Y") %>% as.numeric()
df$doy <- format(df$date, format = "%j") %>% as.numeric()
df$pr <- sprintf("%s-%s", df$path, df$row) %>% factor()
p <- ggplot(data = df, aes(x = doy, y = year)) +
   geom_point(aes(size = cloud_cover, colour = sensor), alpha = 0.5) +
   facet_wrap(~ pr, nc = 1)
p

bendv/landsatmeta documentation built on May 12, 2019, 10:58 a.m.