0
votes
0answers
31 views

Can I make tiles with all countries but one transparent?

I would like to have one country in a given style and all other countries in another grayed out one. But styles should be changeable in the production webmap, so I need them to be independent of each ...
3
votes
1answer
416 views

How to make a transparent background image using r.out.png?

Can the white background of the r.out.png of GRASS be changed to transparent?