125 lines
3.8 KiB
Markdown
125 lines
3.8 KiB
Markdown
[](https://travis-ci.org/mapbox/mapbox-gl-native/builds)
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An OpenGL renderer for [Mapbox vector tiles](https://www.mapbox.com/blog/vector-tiles),
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implemented in C++11, currently targeting iOS, OS X, and Ubuntu Linux.
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# Depends
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- Modern C++ compiler that supports `-std=c++11`
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- Boost headers
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- `libpng`
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- `libuv`
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- `glfw3`
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- `libcurl` (depends on OpenSSL; Linux only)
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- `libboost_regex` (Linux only)
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- Homebrew (for build on OS X)
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- Python (for build only)
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- Node.js (for build only)
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# Build instructions
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We use [mapnik-packaging](https://github.com/mapnik/mapnik-packaging) to build static libraries of
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dependencies.
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First off: if you hit problems during development try:
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make clean
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This will clear cached build data and update to the latest versions of dependencies.
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## OS X
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First run:
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make setup
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This downloads all required dependencies, builds them and creates universal libraries that can be used on both OS X and iOS.
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To create projects, you can run:
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- `make xproj`: Creates an Xcode project with OS X-specific handlers for HTTP downloads and
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settings storage. It uses [GLFW](http://www.glfw.org) for window handling.
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- `make lproj`: Creates an Xcode project with platform-independent handlers for downloads
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and settings storage. This is what is also being built on Linux.
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- `make linux`: Builds the Linux GLFW application with `make`.
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## iOS
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iOS makes use of a Cocoa-specific API called [mapbox-gl-cocoa](https://github.com/mapbox/mapbox-gl-cocoa),
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which is included as a submodule and provides a `UIView` interface to the map view and some bundle resources.
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First, pull down the submodule(s):
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git submodule init
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git submodule update
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Then run:
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make setup
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This downloads all required dependencies, builds them and creates universal libraries that can be used on both OS X and iOS.
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Lastly, `make iproj` to create and open an Xcode project with an iOS-specific view controller housing.
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Target devices: iPhone 4 and above (4S, 5, 5c, 5s) and iPad 2 and above (3, 4, mini and/or retina).
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## Ubuntu
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Ensure you have git and other build essentials:
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sudo apt-get update
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sudo apt-get install git build-essential zlib1g-dev automake libtool xutils-dev make cmake pkg-config nodejs-legacy
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Install a `-std=c++11` capable compiler
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sudo add-apt-repository --yes ppa:ubuntu-toolchain-r/test
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sudo apt-get update
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sudo apt-get install gcc-4.8 g++-4.8
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Install glfw3 dependencies:
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sudo apt-get install libxi-dev libglu1-mesa-dev x11proto-randr-dev x11proto-xext-dev libxrandr-dev x11proto-xf86vidmode-dev libxxf86vm-dev libxcursor-dev
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Then run:
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make setup
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This downloads all required dependencies, builds them and creates universal libraries that can be used on both OS X and iOS.
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You can then proceed to build the library like:
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make linux
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# Style
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The default stylesheet at `bin/style.js` is JSON and is processed into a minified version by the following script:
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```
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node bin/build-style.js
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```
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This is automatically taken care of as a build phase.
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# Usage
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## Desktop
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- Press `X` to reset the transform
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- Press `N` to reset north
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- Press `R` to toggle styles
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- Press `Tab` to toggle debug information
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- Press `Esc` to quit
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## Mobile
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- Pan to move
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- Pinch to zoom
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- Use two fingers to rotate
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- Double-tap to zoom in one level
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- Two-finger single-tap to zoom out one level
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- Single-tap to toggle the command palette visibility for resetting north & the transform, toggling debug, toggling styles, and locating the user
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- Double-tap, long-pressing the second, then pan up and down to "quick zoom" (iPhone only, meant for one-handed use)
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# Other notes
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Under early development, this project was called LLMR (Low-Level Map Renderer), in case you see any lingering references to it.
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