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: > Hi, > > 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). > > Questions: > 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 data variables. Narasimham