Subject:
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Re: LPub Orientation and Half-Size LDraw files
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Newsgroups:
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lugnet.cad
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Date:
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Thu, 30 Jun 2005 14:15:45 GMT
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Viewed:
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974 times
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Kevin L. Clague wrote:
> One of the "features" of LPub is to create part list images and bill of
> materials images, modeling those concepts found in LEGO building instructions.
>
> One of the issues I noticed years ago when I first used LPub for book authoring
> was that not all the LDraw parts are oriented in a way that gives a consistent
> orientation feel within a PLI or BOM.
>
> To overcome this issue, LPub uses a file called orientation.ldr provided with
> the LPub install package. When LPub needs to render a given part/color, LPub
> looks to see if the part is listed in orientation.ldr. If it is found there,
> LPub uses the part orientation found in orientation.ldr. If not, the default
> orientation is used.
>
> The problem is that each release of LPub overwrites orientation.ldr, erasing any
> changes you might have added. It leaves me wondering if there isn't some way to
> manage this file better.
>
> I wish there was an easy way for people to update a global (in the real world
> sense) version of orientation.ldr so that all could share in the modifications
> of the file. I do not know of any easy way to do this for non-programmers.
> Making the file available through a source code control system makes sense for
> us programmers, but is it a workable solution for non-programmers?
>
>
>
Kevin, Could Lpub check for a new orientation.ldr using http to some
well known website every time it's started, or on demand?
A CGI on the website could allow for submissions of updates for specific
parts.
> I want to write a little program to let me walk visually through parts.lst and
> orientation.ldr, displaying a rendered image of the part. The tool would then
> let you perform simple rotations and rerender, until you are happy with the
> orientation. In the end, you have a new orientation.ldr file for all the parts
> in your system. However, this still leaves all the orientation process local
> for each of us who invest in orientation.
>
>
Why not have Lpub use a search path. Look in a local file first for
changes the user may have made, then look in the bundled (or updated -
see above) master file if it's not found in the users file.
> I realise as I write that I should add the overwrite of orientation.ldr as
> options at install time, to at least avoid overwriting local changes.
>
>
>
Doing the the second option above may elimintate the need for that.
> half_size.ldr lets you select parts to render at half the size of the natural
> render. For large parts like base plates and RCX's reducing the size makes for
> better PLIs. It suffers the same maintenance problems as orientation.ldr.
>
>
>
I think the same ideas would work for this file too.
-Kyle
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Message is in Reply To:
 | | LPub Orientation and Half-Size LDraw files
|
| One of the "features" of LPub is to create part list images and bill of materials images, modeling those concepts found in LEGO building instructions. One of the issues I noticed years ago when I first used LPub for book authoring was that not all (...) (19 years ago, 30-Jun-05, to lugnet.cad)
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