3D Dynamic PDF
I don't know how you call these but I find it great, you can zoom, pan and rotate at any angle. I did a very small survey to calculate the free height under a cycle bridge. Lieven, our CAD-guru did some extra microstation work on it, only a few minutes, and he plotted to a PDF. I was amazed by the file size and the speed of manipulating the graphics.
To read the rest of this thread and see the images, go to www.rpls.com/forums/viewtopic/39/1275730.