1
vote
1answer
108 views

Very basic drawing on a map

I have lat/lng, angle with North and a length of a polygone. I want to draw the polygone on a map. Like in this figure: And I want to adjust opacity of it in realtime. Which GIS or Map viewer I ...
3
votes
1answer
672 views

Creating a fully custom map using OSM infrastructure

I would like to make a fully custom map (fictional, have to start from scratch basically) and use the OSM tools to make following things possible: crowd editing - the source data which is used to ...
26
votes
10answers
11k views

How would I draw and visualize custom maps based on OSM data?

I would like to be able to use openstreetmap data for a specific region as a source and "draw" from that the map of infrastructure improvements - mostly roads. I want it to be self-hosted (not ...