Copyright: Daniele Gasparri
![Image](http://lasp.colorado.edu/~bagenal/3720/CLASS19/saturn_npole.jpg)
It means that a digital image of the entire surface of the object was constructed from individual images (such as from Cassini), and then a 3D model was rendered by mapping the surface image onto a sphere, ring, etc.geckzilla wrote:What does "digital projection" mean?
It is an odd name but the general idea is an old one:geckzilla wrote:I've never heard of "digital projection" before but figured that's what it was just from looking at it.
It seems like an odd name to me.
I don't think the comparison is a very good one. Nor is the name odd- it describes very well the process, which is to digitally project an image map onto a 3D model. That's nothing like the map you reference. The closest non-digital analog is the production of a globe, where individual flat map segments are attached to the surface of a physical 3D model.neufer wrote:It is an odd name but the general idea is an old one:
The Hereford Mappa Mundi, about 1300, Hereford Cathedral, England.