Subject:
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Re: Parts license
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Newsgroups:
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lugnet.cad.dev
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Date:
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Tue, 26 Sep 2000 20:07:19 GMT
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Viewed:
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1782 times
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In lugnet.cad.dev, Leonardo Zide wrote:
> Steve Bliss wrote:
> > What does 'conversion to another format' mean? Do you mean converting the
> > ARJ archive to ZIP format? How about converting the ASCII data to EBCDIC?
> > Or doing a straight conversion to a binary format?[1] How about
> > reorganizing the directory structure? How about unarchiving the
> > distribution file, and posting all the files individually on a webserver?
>
> I think all of those examples are simply conversions to other formats,
> they don't change the contents of the files. This could be added to the
> 'Definitions' section of the license.
My thoughts:
ARJ to ZIP? Simple Conversion
ASCII to EBCDIC? Simple Conversion
text to binary? Essential change
reorganizing the directory structure? Major change
posting all the files individually on a webserver? Major change
> From the zlib license:
>
> 1. The origin of this software must not be misrepresented; you must not
> claim that you wrote the original software. If you use this software
> in a product, an acknowledgment in the product documentation would be
> appreciated but is not required.
>
> We could change the last sentence from "not required" to "required"
> and add the part about having a link to www.ldraw.org.
Hmmm. Interesting.
> Actually the zlib license is very simple, it only has 2 more
> paragraphs:
>
> 2. Altered source versions must be plainly marked as such, and must
> not be
> misrepresented as being the original software.
> 3. This notice may not be removed or altered from any source
> distribution.
> > I'm not sure about "list their changes". How about requiring that they
> > flag each file they change, by adding a comment to the file header?
>
> Maybe requiring a 'changelog' to be included would be better ?
Or both.
> > Also, they may *not* mark new files with the tags "Original LDraw
> > [Part|Primitive|Subpart]" or "Official LCAD [Part|Primitive|Subpart]".
>
> How about: "Any parts that have their contents changed must have the
> line "Original/Official ..." removed" ?
Nah, it should be left in, with an additional line added. That way, the
file is clearly marked as "LCAD, but modified".
> Sounds reasonable. All we need to do is change "New files added to the
> library can have any license." to "New parts can only be distributed
> with the library if they are published under this license, otherwise
> they must be distributed separately.". Now we'll need to define
> 'separately' :)
I'd say separately means installed to a different directory. If possible,
archived to a different distribution file.
> > 1) BTW, truly 'dumb' conversions to binary (where every parameter is
> > written as a 4-byte floating point) don't seem to save any space.
>
> I think only in a few cases it does: A float is 4 bytes, so if you
> have 3 ASCII digits plus a space then both formats have the same size
> but if you get a number with decimal places then the binary format will
> usually be smaller.
Yah. From empirical evidence, I'd say there is little, if any, gain.
Steve
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Message is in Reply To:
 | | Re: Parts license
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| (...) I think all of those examples are simply conversions to other formats, they don't change the contents of the files. This could be added to the 'Definitions' section of the license. (...) From the zlib license: 1. The origin of this software (...) (24 years ago, 25-Sep-00, to lugnet.cad.dev)
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