Re: [Brlcad-users] multiple line commands

[Lee A. B. <bu...@ar...>]

The classic unix "here document" paradigm works well.  You do have to 
load/display the geometry you want to modify, but that doesn't mean you 
need a graphical display.

Let's show a specific example.

First, we create a geometry file:

> % mged -c foo.g << EOF
> >
> > in box.s rpp 0 1 0 1 0 1
> > r box.r u box.s
> > g all box.r
> > q
> > EOF
> Defaulting item number to 1001
> Creating region id=1000, air=0, GIFTmaterial=1, los=100

Now we can change it:

> %mged -c foo.g << EOF
> > e all
> > oed all box.r/box.s
> > orot 10 20 30
> > press accept
> > q
> > EOF

So other than having to display the geometry, you had the right idea.

If you want to modify a primitive directly, you can used the adjust 
command:

> mged -c foo.g <<EOF
> adjust box.s V1 {-1 -1 -1}  V2 {1 -1 -1} V3 {1 1 -1}  V4  {-1 1 -1} V5 
> {-1 -1 1} V6 {1 -1 1} V7 {1 1 1} V8 {-1 1 1}
> q
> EOF

So there are several ways of modifying geometry from a script or 
command line.

Lee

On Aug 25, 2005, at 3:46 AM, wout wrote:

> Dear sirs,
>
> I have quite a basic question (sorry if I missed it in the docs).
> Is there a way to perform a sequence of commands with one "mged" call 
> from the command line, or is there a way to read in a script file in 
> mged?
> What I need is a way to do a sequence like:
> > oed part shape
> > orot shape rx ry rz
> > accept
> from the command line.
> This does not seem to work in 3 subsequent statements, in fact,
> it does not seem to work at all without displaying the objects first.
>
> Greetings
> Wout
>
>
>
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