Photogrammetry is an imaging technique in which hundreds of photos are taken of a plot, property, industrial building and where those photos are pasted together with a software. This can create huge files called ortho-photos. You can zoom in endlessly, places can be geolocated, measurements can be performed, volume determinations, height differences can be determined, etc…

Print billboards :

Moreover, gigantic prints can be made from those photos. Below you will find a button with which you can download such an ortho-photo. This takes about 1 minute but is well worth it. Note the zoom options.  if you want to calculate the pixels you need for your printout, check here