Dar visit, drone fun

While I was in East Africa, I made a quick side trip to Dar to visit with some compatriots also interested in drones for good — specifically Frederick Mbuya of UhuruNet, UhuruFly, UhuruLabs, and World Bank Tanzania (etc.) , as well as Ivan Gayton, Humanitarian OpenStreetMap Team Tanzania, Missing Maps, formerly MSF UK (etc).   We chatted about tech, development, drones for good, and played … Continue reading Dar visit, drone fun

Finding peace, finding ground: Drone flights for hydrologic modeling

Another problem is the difficulty of turning photogrammetrically derived point clouds into Digital Terrain Models. There is proprietary software that does this well (e.g. LasTools and others), but we sought a free and open source alternative and approach. Let’s visualize the problem. Continue reading Finding peace, finding ground: Drone flights for hydrologic modeling

Using OSM Nominatim to search for geographic objects

Just playing a little today.  I’m at Cleveland Give Camp today, working on a project for Ohio City Writers, a non-profit youth creative writing center.  I’m deploying some maps for the registration site, that will be filterable, using CartoDB as a host for the data.  As I don’t know what we’re going to filter, or where the page will go yet, I was trolling around … Continue reading Using OSM Nominatim to search for geographic objects