pecko/debrief — pull request #1 by IanMayo (2014-12-31 11:16:51+00:00)
Title: Issue984 gt renderer tidying

Hey, @pecko - I don't know how well this will work, me creating a PR in your REPO. But, I'll give it a go :-)

This PR reverses the order in which the Bathy layers are added. It also "intelligently" decides whether to draw lines around the polygons, to give an image like this:
![globebathy](https://cloud.githubusercontent.com/assets/1108513/5587289/80500f70-90de-11e4-8c84-0190f12e9340.png)