mapbaltimore
πΊπ Map Baltimore neighborhoods and local open data
Science Score: 26.0%
This score indicates how likely this project is to be science-related based on various indicators:
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βCITATION.cff file
-
βcodemeta.json file
Found codemeta.json file -
β.zenodo.json file
Found .zenodo.json file -
βDOI references
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βCommitters with academic emails
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βScientific vocabulary similarity
Low similarity (21.3%) to scientific vocabulary
Keywords
baltimore
r
r-package
rspatial
Last synced: 6 months ago
·
JSON representation
Repository
πΊπ Map Baltimore neighborhoods and local open data
Basic Info
- Host: GitHub
- Owner: elipousson
- License: other
- Language: R
- Default Branch: main
- Homepage: https://elipousson.github.io/mapbaltimore/
- Size: 316 MB
Statistics
- Stars: 18
- Watchers: 2
- Forks: 1
- Open Issues: 14
- Releases: 0
Topics
baltimore
r
r-package
rspatial
Created over 5 years ago
· Last pushed 6 months ago
Metadata Files
Readme
Changelog
License
Codemeta
README.Rmd
---
output: github_document
---
```{r, include = FALSE}
knitr::opts_chunk$set(
collapse = TRUE,
comment = "#>",
fig.path = "man/figures/README-",
out.width = "80%"
)
```
# mapbaltimore
[](https://lifecycle.r-lib.org/articles/stages.html#experimental)
[](https://opensource.org/licenses/MIT)
[](https://www.repostatus.org/#active)
[](https://app.codecov.io/gh/elipousson/mapbaltimore?branch=main)
The goal of the mapbaltimore package is to provide an easy way to create maps of Baltimore neighborhoods, Council districts, and other areas using open data on schools, housing, parks, and public transit.
## Installation
You can install this development version (including Suggested packages) from [GitHub](https://github.com/) with:
``` r
# install.packages("pak")
pak::pkg_install("elipousson/mapbaltimore", dependencies = TRUE)
```
## Data and reproducibility
The intent for this package is to always provide the most current version of the included administrative data. If the underlying data is updated on an rolling basis, the corresponding dataset for mapbaltimore will be updated with changes noted in the changelog. If the underlying data is updated less frequently or requires some special review, the older versions may be archived with a year appended to the end of the dataset name.
Package datasets that are currently known to be outdated included:
- `csas`: Multiple attribute names are outdated.
- `neighborhoods`: A new version is now included as `neighborhoods_2020`
- `police_districts`: A new version is now included as `police_districts_2023`
Users are encouraged to flag outdated datasets by opening an issue on [the package repository](https://github.com/elipousson/mapbaltimore).
## Examples
```{r setup}
library(sf)
library(ggplot2)
library(mapbaltimore)
theme_set(theme_void())
```
mapbaltimore is most useful for convenient access to Baltimore spatial data from neighborhoods to streets to parks.
You can download a neighborhood boundary:
```{r}
downtown <- get_baltimore_area(
type = "neighborhood",
name = "Downtown"
)
downtown_boundary <- geom_sf(
data = downtown,
color = "darkorange",
fill = NA,
linewidth = 0.75,
linetype = "dashed"
)
dplyr::glimpse(downtown)
```
And then use the neighborhood (or another location) to filter data for that area:
```{r}
downtown_streets <- get_area_streets(downtown)
downtown_map <- ggplot() +
geom_sf(data = downtown_streets, color = "gray70") +
downtown_boundary
```
The package datasets are typically based on official city or state sources but have been updated to remove outdated information and incorporate related information. For example, the parks data includes alternate names and OpenStreetMap identifiers:
```{r}
downtown_parks <- getdata::get_location_data(downtown, data = parks)
```
zoning data has been labelled and categorized based on the city zoning code:
```{r}
downtown_zoning <- getdata::get_location_data(downtown, data = zoning, dist = 500, unit = "m")
ggplot() +
geom_sf(data = downtown_zoning, aes(fill = category_zoning), alpha = 0.3) +
downtown_boundary
```
The package includes a few bundled GeoPackage files with data on trees, vegetated areas, and unimproved properties. It also includes functions for caching even larger datasets with edge of pavement geometry, parcel boundaries, and street centerline data for the Baltimore metro area.
```{r}
downtown_trees <- getdata::get_location_data(downtown, data = "trees", package = "mapbaltimore", dist = 100, unit = "m")
ggplot() +
geom_sf(data = downtown_trees, color = "darkgreen", alpha = 0.25) +
downtown_boundary
```
Note, while the code for this package is released under an MIT license, the data is a mix of public domain and [CC0](https://creativecommons.org/publicdomain/zero/1.0/) sources.
## Required packages
mapbaltimore relies on a several other non-CRAN packages that I am actively developing. I split off many of the mapping and data access functions originally created for mapbaltimore into three more general packages that are imported by mapbaltimore:
- [sfext](https://elipousson.github.io/sfext/)
- [getdata](https://elipousson.github.io/getdata/)
- [maplayer](https://elipousson.github.io/maplayer/)
The package uses [my fork of the esri2sf R package](https://github.com/elipousson/esri2sf/) to access city and state FeatureLayers for building permit data, crime data, and 311 service requests and other data sources.
## Related packages
### Baltimore and Maryland data packages
After starting the mapbaltimore package in 2020, I've created two additional data packages:
- [bcpss](https://elipousson.github.io/bcpss/): Tabular and spatial data from the Baltimore City School system.
- [mapmaryland](https://elipousson.github.io/mapmaryland/): Statewide spatial data from the U.S. Census Bureau and other sources along with data access functions for working with the Maryland Open Data portal and Maryland iMap service.
- [baltimorecensus](https://elipousson.github.io/baltimorecensus/): Data downloaded with the tigris package.
### Inspirational packages
The development of mapbaltimore was inspired in part by a handful of other "place-based" R packages for cities:
- [nycgeo](https://nycgeo.mattherman.info/index.html) for New York City
- [gateway](https://github.com/slu-openGIS/gateway) for Saint Louis
At the national level, [tigris](https://github.com/walkerke/tigris) provides access to boundary data for all geographies used by the U.S. Census Bureau. mapbaltimore uses tigris to download all of the U.S. Census geographies that are included with the package.
Outside the U.S., there are similar packages that provide access to varied boundary data for Brazil [geobr](https://github.com/ipeaGIT/geobr), Uruguay [geouy](https://github.com/RichDeto/geouy), Chile [chilemapas](https://github.com/pachamaltese/chilemapas) and Mexico [mxmaps](https://github.com/diegovalle/mxmaps).
Owner
- Name: Eli Pousson
- Login: elipousson
- Kind: user
- Location: Baltimore, MD
- Company: Baltimore City Department of Planning
- Website: https://elipousson.github.io/
- Twitter: elipousson
- Repositories: 95
- Profile: https://github.com/elipousson
I love old buildings and bicycles. Planner with the Baltimore City Department of Planning. Former preservationist @baltimoreheritage
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GitHub Events
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Last Year
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Committers
Last synced: 8 months ago
Top Committers
| Name | Commits | |
|---|---|---|
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Past Year
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Dependencies
DESCRIPTION
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