Started by Bluefinger, January 27, 2007, 01:08:28 pm
Quote from: swiftstream on January 27, 2007, 02:56:24 pmBoth great renders! Your idea for city lights is also interesting, though they look a bit too irregular to me. I wonder if a Perlin Ridges fractal with 2-3 octaves might be somewhat more convincing, as city lights in real life tend to follow roads and whatnot.
Quote from: bigben on February 05, 2007, 05:55:44 pmOr an image map. http://visibleearth.nasa.gov/view_rec.php?id=1438You could extract the relevant section using a program like PTGui. http://www.ptgui.com/If you use an equirectangular projection to convert DEM data to a TER you could calculate the coordinates to just crop the full globe image.