|
| 1 | +--- |
| 2 | +title: "owmr - An R Interface to OpenWeatherMap" |
| 3 | +output: |
| 4 | + html_document: |
| 5 | + theme: united |
| 6 | + |
| 7 | +--- |
| 8 | + |
| 9 | +```{r setup, include=FALSE} |
| 10 | +knitr::opts_chunk$set(echo = TRUE) |
| 11 | +library(magrittr) |
| 12 | +source("../tmp/settings.R") |
| 13 | +``` |
| 14 | + |
| 15 | +## Introduction |
| 16 | + |
| 17 | +```{r introduction} |
| 18 | +library(owmr) |
| 19 | +
|
| 20 | +owm_cities %>% head() |
| 21 | +
|
| 22 | +ls("package:owmr") %>% data.frame(obj = .) |
| 23 | +``` |
| 24 | + |
| 25 | +## Installation |
| 26 | + |
| 27 | +```{r installation, eval=F} |
| 28 | +# stable |
| 29 | +install.packages("owmr") |
| 30 | +
|
| 31 | +# unstable |
| 32 | +require("devtools") |
| 33 | +
|
| 34 | +devtools::install_github("crazycapivara/owmr/") |
| 35 | +``` |
| 36 | + |
| 37 | +## Quick start |
| 38 | + |
| 39 | +```{r quick-start} |
| 40 | +# Set up API key |
| 41 | +owmr_settings(api_key) |
| 42 | +
|
| 43 | +# Get latitude and longitude for Rio de Janeiro |
| 44 | +rio <- search_city_list("Rio de Janeiro") |
| 45 | +rio %>% as.list() |
| 46 | +
|
| 47 | +# Fetch current weather data for some cities around Rio de Janeiro |
| 48 | +owm_data <- find_cities_by_geo_point( |
| 49 | + lat = rio$lat, |
| 50 | + lon = rio$lon, |
| 51 | + cnt = 9, |
| 52 | + units = "metric")$list %>% tidy_up_() |
| 53 | +
|
| 54 | +owm_data %>% names() |
| 55 | +
|
| 56 | +# Round temperature values |
| 57 | +owm_data <- parse_columns(owm_data, list(temp = round)) |
| 58 | +
|
| 59 | +# Create popup template to show up on leaflet map |
| 60 | +popup_tpl <- paste0( |
| 61 | + "<b>{{name}}</b></br>", |
| 62 | + "{{coord_lon}}, {{coord_lat}}</br>", |
| 63 | + "{{temp}}°C, ", |
| 64 | + "<i>{{weather_description}}</i>" |
| 65 | +) |
| 66 | +
|
| 67 | +# Test it ... |
| 68 | +popup_tpl %$$% owm_data %>% head(2) |
| 69 | +
|
| 70 | +# Load leaflet |
| 71 | +require("leaflet") |
| 72 | +
|
| 73 | +# Create leaflet map and add weather data to it |
| 74 | +leaflet(width = "100%") %>% |
| 75 | + addProviderTiles("CartoDB.DarkMatter") %>% |
| 76 | + add_weather(owm_data, icon = owm_data$weather_icon, template = popup_tpl) |
| 77 | +
|
| 78 | +## Click on icons to get further information ## |
| 79 | +
|
| 80 | +## ... ## |
| 81 | +``` |
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