we finally replaced out 2004 computers with new computers at our company
those are the major questions since I have a 2 large descriptor key files and many label styles for points, curves, lines, etc.
Here's the hard lesson, learn it fast. forget what is known about LDD, it won't help in C3D. Take the 3 day training course offered by the nearest reseller. If proper training isn't in the budget, then there are some resources to be found online. Like autodesk university for subscription users. Mastering C3D is a good book to pick up. This forum is a good place to ask specific questions.
As for description keys.....
C3D doesn't have a convert routine for this. The description key in C3D will have to be done from scratch.
The blocks used for Description keys can be imported into a C3D template and used for point symbol styles.
A good place to start is the NCS imperial template for english units, and the NCS metric template for metric units.
This file comes with alot of the styles built already. These can be opened looked at and customize to suit specific company template needs.
Live the adventure, and let the insanity begin....
Your description keys can be imported but you will need to assign styles, layers, etc. Go to the Inset tab of the Ribbon and look for the Landdesktop button. THis will allow you to import descr keys, surfaces, pipe networks and parcels from you LDD projects.
Points import pretty much the same.
If you are on subscription there is an extension you can download that will migrate some of your LDD label styles into C3D. http://subscription.autodesk.com/sp/servlet/downlo
You cannot use you existing LDD styles.
Don't get stuck in the LDD workflow. Remember there is more than one way to do things. Don't get fustrated when LDD procedures change in C3D. The results will be the same. You just find new ways to do things that will save you time.
You can also look into what your reseller can do. Many have proprietary routines that will convert / setup a lot of settings (for a cost of course) for you. The cost could be worth it.
We had Avatech (now IMAGINiT) do it for us and I can not tell you how much time it has saved us. Well worth the cost for us, IMO.
In response to your question #4: Make a C3D template with your description key styles, labels and any other defaults you want to use on a typical basis. When you find the need for a new description key, label, etc. add it to your template. The work and use of C3D will get easier as your template matures.
Thank you Ian. I did not mean to imply that you want to import description keys into project files as you would a surface or alignment. They should be kept and updated in the template.