Re: Best way to import 3D files and link its objects with metadata?
- To: mathgroup at smc.vnet.net
- Subject: [mg116781] Re: Best way to import 3D files and link its objects with metadata?
- From: Narasimham <mathma18 at hotmail.com>
- Date: Sun, 27 Feb 2011 04:35:57 -0500 (EST)
- References: <firstname.lastname@example.org>
On Feb 25, 4:36 pm, fonseca <pub... at fonseca.info> wrote:
> I have a Mathematica program that imports CAD dxf files that contain
> skeletons of a pipe network, in 3D (3D representation of the axes of a
> network of pipes).
> With Mathematica I first transform the dxf information into a graph
> type information (detecting line connections, etc), to which I do a
> series of calculations.
> My problem is that before I can do the calculation, I have to enter
> other type of data, like flow rates getting out at each end, pipe
> diameters of each edge, etc. I do this, by hand, with lists of rules,
> entered by hand into Mathematica.
> This is very time consuming, since each time I change a little my
> network (the dxf 3d file), I have to redo this association again (I
> have no way of knowing if a moved/changed line still represents the
> same pipe as before, and so it gets automatically a new name for its
> graph edges).
> 1) Do you know if it is possible to associate metadata to each element
> on the dxf file, and then import this metadata to Mathematica? Like
> that I would fill in this kind of information on the CAD system...
> 2) Do you know of a better way of associating alpha-numeric data to
> graph edges, without having to print the network very very big, so
> that I can distinguish the names of all the nodes, and then produce a
> list of rule by hand (GraphEdit could almost help, if it had a little
> more functionality...)?
> Thank you,
> P. Fonseca
A graph name can be defined as function of regular _and_ also meta
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