NZ Rail Maps: Scaling up map mosaics & creating new tile grids

One of the issues that comes up with doing the map mosaics for NZ Rail Maps is that the resolution of Retrolens aerial imagery can often be very high, when using the official NZR survey images at the scale that they appear on Retrolens. A typical scale is only 1:4300 which gives us a lot… Continue reading NZ Rail Maps: Scaling up map mosaics & creating new tile grids