[Manifold-l] HELP ON PLAN OF ATTACK

[Bob Heitzman]

If the easting and northings are in reference to a published projection it
should be pretty easy to import as X/Y data - just assign the proper
projection after import.

Ditto for the AutoCAD layers if X/Y is in reference to a projection your OK.

If the X/Y is in reference to control points... you've gone beyond my ken. I
could probably fake it but I don't think that's a good idea. (A point the
survey vs. GIS'er debates bring up a lot - its pretty easy for an
non-professional to produce substandard work. Best to make sure the contract
makes it clear the level of professionalism that is required for the end
product.)

AutoCAD may have a way to convert the X/Y of the CAD layers to lat/long in a
certain DATUM which you could easily import.

As far as the attributes go it may be easier to collect/enter the data into
a database/spreadsheet using a project defined primary key for each
points/line. Then join the results later with Manifold.

I'm sure others have better advice - stay tuned!

On 7/11/06, Richard Sands <richard.sands at bigpond.com> wrote:
>
>  gday Bob,  my data doesn't have any attributes other than xyzCode
> (eastings, northings, elevations and codes or descriptions - ie 300mm
> concrete pipe etc) and linework on specific layers in AutoCAD.  The raw
> survey data that has to be made meaningful in GIS format - ie given
> attributes such as elevations, grades of pipe work etc. "inverts' are the
> elevations of the lowest part of something - pipe, manhole etc.
> regards Richard
>
>
> -----Original Message-----
> *From:* Bob Heitzman [mailto:rheitzman at gmail.com]
> *Sent:* Wednesday, 12 July 2006 3:59 AM
> *To:* Richard Sands
> *Cc:* MANIFOLD-L
> *Subject:* Re: [Manifold-l] HELP ON PLAN OF ATTACK
>
> It isn't clear which aspect of the project might benefit from scripting.
>
> If your source data has the attributes (elev, grade, ID numbers, etc.)
> then aren't you just looking at creating label layers and adding them to the
> other vector layers on a map?
>
> Could be ignorance on my part - what are "inverts"?
>
>
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