Since this year’ spring, I spent a lot of time in improving the rendering of Navit for cyclist’s purposes. Mainly I told Navit about minor ways such as cycleways, footways and so on, but also added POIs like shelters etc. One of the latest hacks was to experiment with height contour lines. I used srtm2osm to get an osm file with height contours. This file then has been converted to the Navit binary format by osm2navit. Here is a screenshot how it can look like:
Unfortunately I noticed that it looks nice on my desktop machine, but I got a feeling what it means to develop software for handheld devices like the N810. To make it short, the height contour lines render Navit barely usable on the N810. I’ll investigate this further. I simply need to figure out the right balance of map features vs. memory consumption.
