Subject:
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Re: LDRAWPREDIRS LDRAWPOSTDIRS - Summary please!
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Newsgroups:
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lugnet.cad.dev
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Date:
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Thu, 11 Mar 2004 22:54:43 GMT
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Viewed:
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3419 times
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In lugnet.cad.dev, Michael Lachmann wrote:
> Ok I try and hope that I do not forget something here, all others please
> correct me if i'm wrong - but no cheating!
>
> The discussion is about finding a way to specify alternate directories to be
> searched before, after or inbetween the standard ldraw directories. Each
> directory has to be on a single line preseeded by optional keywords
> indicating if you would like to see parts in this directory in a part view
> (e.g. MLCad's Part-Preview) or not.
> Another keyword will tell the programm if the directory specified is a
> sub-directory of a standard one or not.
>
> Here the general syntax:
>
> The definition begins with
>
> [LDrawSearch]
>
> followed by one or more lines like
>
> n = <VisibilityOption> [<PathKeyname>]Path
>
> where n is a running nummber starting with 1 and counting up,
> VisibilityOption currently is one of
> <SHOW> .... to display parts in this directory
> <HIDE> .... to use them when rendering a model only, but not to display
> them a useable parts
> more options might follow
>
> PathKeyname is one of the standard directories
> <LDRAWDIR> is e.g. C:\LDRAW
> <MODELDIR> is the current directory of your project or the directory
> where the current loaded file is located.
> more paths might follow
>
> As an expamle the ini section for the standard search path:
> [LDrawSearch]
> 1 = <SHOW> <MODELDIR>
> 2 = <HIDE> <LDRAWDIR>P
> 3 = <SHOW> <LDRAWDIR>Parts
> 4 = <SHOW> <LDRAWDIR>Models
Currently my code doesn't expect all the spaces above, but I'm open to that.
The LDrawSetup program that I'm also writing at the same time
can not preserve the spaces if you add or delete options,
so it will ruin any nice table formatting you have made in Notepad.
However, to support advanced users who are only going to use an editor
I guess we should allow spaces.
Also I currently use a \ in "2=<HIDE><LDRAWDIR>\P" because I have
always thought of it as variable substitution.
However, you could also consider <LDRAWDIR> as a flag (like <HIDE> is a flag)
saying that the following path is a subpath to LDRAWDIR.
In that case it makes sense to omit the \.
\ or / will appear anyway in the file and are not a problem to handle.
More comments on that?
> > Just one small question: will these parameters be put in ldraw.ini and/or • the
> > system's table of environment variables? Or somewhere else, like in the
> > %LDrawBaseDir%? (Hopefully not the third option) Personally, I would • really
> > prefer ldraw.ini only. If an environment variable, is it portable to use • 8+
> > characters?
>
> We suggested to have that in the ldraw.ini, but it might also be used in
> environment variables and
> in the registry as well - but I believe we said in the file now ... (not
> sure anymore).
I support both env var and ini files.
Windows users will typically only use ini files, I guess.
I think it's portable to use 8+ characters for env vars.
> > Any another sillier question just to show my ignorance: Pre and post • stands for
> > before and after. In this case, before and after what? Before scanning the
> > default search path for LCad files I guess? If so, will it stop scanning • by the
> > first match?
>
> You can insert your directories wherever you like, before, after or between
> the standard lines.
Yes, originally I just suggested extra dirs before and after the usual search dirs.
However, with the current scheme you can rearrange the order of all dirs (usual and extras)
completely - though not advisable.
And the search will stop at first match like today. Eh, what else?
I'll post my current ideas of the API shortly
so you can have an idea of how to use the routines.
/Lars
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Message has 1 Reply:
 | | Re: LDRAWPREDIRS LDRAWPOSTDIRS - Summary please!
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| (...) [snip] (...) OK, so I'm a new guy in the ldraw dev community, but I figured if I don't say something now it'll never get considered. So please go gently on me. I don't know the full protocol you guys use to come up with these standers. But (...) (20 years ago, 13-Mar-04, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - Summary please!
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| "Tore Eriksson" <tore.eriksson@mbox3...wipnet.se> schrieb im Newsbeitrag news:HuDDv0.1KDF@lugnet.com... (...) to (...) most (...) lead to? (...) Ok I try and hope that I do not forget something here, all others please correct me if i'm wrong - but (...) (20 years ago, 11-Mar-04, to lugnet.cad.dev)
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