500m Digital Elevation Model for New Zealand. This map was in New Zealand s national projection. A sixth-order conformal modification of a Mercator using the International spheroid.
Local shapes are correct.
Scale is within 0.02 percent of true scale for New Zealand. Projection not useful for areas outside New Zealand. Cell-centered registration, bilinear resampling of source 500m grid Graphic describing georeferencing and sampling for the DEM for New Zealand. Click on each image to view larger size. Above that elevation, the histograms are relatively smooth.