Rendering Polylines In part 1 I learned how to identify polylines and came up with a simple visual representation by drawing the polylines using the OpenGL "GL_LINES" primitive. This led to a network of lines representing the centres of roads/rivers/railway lines etc. Extracting the data To allow us to render the roads with some proper "width"… Continue reading OSM Renderer – Polylines part 2
OSM Renderer – Polylines part 1
Line Based Objects As you may have read in previous posts - a lot of the objects in open street map are represented as polygons, however, many other objects are represented as polylines. A polyline is simply a collection of points which together represent straight line segments. When chained together these line segments work together to… Continue reading OSM Renderer – Polylines part 1
Open Street Map video – Now in HD!
I decided the previous video could do with some improvements! This version now has a small route programmed for the camera to get rid of the jerky movement from the previous video. This video is also HD - in 1080p @ 48 fps as opposed to the previous 480p video. This video also introduces the rendering of… Continue reading Open Street Map video – Now in HD!
OpenStreetMap in 3d Video!
As the old saying goes, a picture is worth a thousand words... A video however is much better than a picture! This video has been captured from an iPhone 5s using Quicktime movie recording. I know the video looks laggy, but this is mostly because of me not being very smooth with my finger gestures to… Continue reading OpenStreetMap in 3d Video!