inst/htmlwidgets/lib/mapshaper/README.md
In timelyportfolio/mapshaper_htmlwidget: R Htmlwidget for Mapshaper
mapshaper
Introduction
Mapshaper is software for editing Shapefile, GeoJSON, TopoJSON and several other data formats, written in JavaScript.
The mapshaper command line program supports common map making tasks like simplifying shapes, editing attribute data, clipping, erasing, dissolving, filtering and more.
There is a web UI that supports interactive simplification and attribute editing. The web interface also has as a built in console for running cli commands.
See the project wiki for documentation on using mapshaper.
To suggest improvements, add an issue.
To learn about recent updates, read the changelog.
Command line tool
The mapshaper command line program has been used successfully under Mac OS X, Linux and Windows.
The project wiki has an introduction to using the command line tool that includes many simple examples.
For a detailed reference, see the Command Reference.
Interactive tool
The web UI works in recent versions of Chrome and Firefox as well as IE 10+. Exporting is not supported in Safari. If you encounter out-of-memory errors using Chrome, try Firefox, which can handle Shapefiles larger than 1GB.
The mapshaper distribution includes the script mapshaper-gui, which runs mapshaper's web interface locally. You can also visit mapshaper.org to use mapshaper online.
All processing is done in the browser, so your data stays private, even when using the public website.
Installation
Mapshaper requires Node.js or io.js.
With Node or io.js installed, you can install the latest release version of mapshaper using npm. Install with the "-g" flag to make the executable scripts available systemwide.
npm install -g mapshaper
To install and run the latest development code from github:
git clone git@github.com:mbloch/mapshaper.git
cd mapshaper
npm install
bin/mapshaper-gui # use the web UI locally
bin/mapshaper # run the command line program
Building and testing
Run the build script after editing any of the files in the src/ or lib/ directories.
Run npm test in the project directory to run mapshaper's tests.
License
This software is licensed under MPL 2.0.
According to Mozilla's FAQ, "The MPL's ‘file-level’ copyleft is designed to encourage contributors to share modifications they make to your code, while still allowing them to combine your code with code under other licenses (open or proprietary) with minimal restrictions."
Acknowledgements
Gregor Aisch, Mike Bostock, Shan Carter and Zhou Yi, for suggesting improvements and general helpfulness.
Mark Harrower, for collaborating on the original MapShaper program at the University of Wisconsin–Madison.
timelyportfolio/mapshaper_htmlwidget documentation built on May 31, 2019, 1:51 p.m.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
mapshaper
Introduction
Mapshaper is software for editing Shapefile, GeoJSON, TopoJSON and several other data formats, written in JavaScript.
The mapshaper command line program supports common map making tasks like simplifying shapes, editing attribute data, clipping, erasing, dissolving, filtering and more.
There is a web UI that supports interactive simplification and attribute editing. The web interface also has as a built in console for running cli commands.
See the project wiki for documentation on using mapshaper.
To suggest improvements, add an issue.
To learn about recent updates, read the changelog.
Command line tool
The mapshaper command line program has been used successfully under Mac OS X, Linux and Windows.
The project wiki has an introduction to using the command line tool that includes many simple examples.
For a detailed reference, see the Command Reference.
Interactive tool
The web UI works in recent versions of Chrome and Firefox as well as IE 10+. Exporting is not supported in Safari. If you encounter out-of-memory errors using Chrome, try Firefox, which can handle Shapefiles larger than 1GB.
The mapshaper distribution includes the script mapshaper-gui, which runs mapshaper's web interface locally. You can also visit mapshaper.org to use mapshaper online.
All processing is done in the browser, so your data stays private, even when using the public website.
Installation
Mapshaper requires Node.js or io.js.
With Node or io.js installed, you can install the latest release version of mapshaper using npm. Install with the "-g" flag to make the executable scripts available systemwide.
npm install -g mapshaper
To install and run the latest development code from github:
git clone git@github.com:mbloch/mapshaper.git
cd mapshaper
npm install
bin/mapshaper-gui # use the web UI locally
bin/mapshaper # run the command line program
Building and testing
Run the build script after editing any of the files in the src/ or lib/ directories.
Run npm test in the project directory to run mapshaper's tests.
License
This software is licensed under MPL 2.0.
According to Mozilla's FAQ, "The MPL's ‘file-level’ copyleft is designed to encourage contributors to share modifications they make to your code, while still allowing them to combine your code with code under other licenses (open or proprietary) with minimal restrictions."
Acknowledgements
Gregor Aisch, Mike Bostock, Shan Carter and Zhou Yi, for suggesting improvements and general helpfulness.
Mark Harrower, for collaborating on the original MapShaper program at the University of Wisconsin–Madison.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.