For 0.3 the mapmap.js source code should be modularized for better overview. See [D3's modularization](https://github.com/d3/d3-selection) and [rollup](https://github.com/rollup/rollup), [rollup-starter-project](https://github.com/eventualbuddha/rollup-starter-project)
For 0.3 the mapmap.js source code should be modularized for better overview.
See D3's modularization and rollup, rollup-starter-project