Subject:
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Re: Problem with MLCAD arrows in other programs - and how to solve it
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Newsgroups:
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lugnet.cad
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Date:
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Thu, 30 Dec 2004 20:04:12 GMT
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Viewed:
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2147 times
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In lugnet.cad, Kevin L. Clague wrote:
> In lugnet.cad, Sven Moritz Hein wrote:
> Previous to the arrow generation version of MLCad, GHOST only applied to the
> line in which it is specified. It had no impact on any other lines.
>
> Now the definition of GHOST has changed. GHOST on the MLCAD ARROW line
> *implies* ghosting on the lines between the MLCAD SKIP_BEGIN, and the MLCAD
> SKIP_END.
>
> Given that the other programs were written/updated before this MLCAD change, it
> makes sense that they do not do what you want. Changing the definition of GHOST
> requires a change in all the other programs that used to support GHOST in its
> original form. It is kind of hard to fault us, when it is MLCad that changed
> the definition. It is safe to assume that now that we know about the change,
> we'll update our software. I'll update LPub.
I agree that other programs can't be expected to support something they aren't
aware of, but I disagree that they should have to support it in the first place.
I believe that GHOST should be implemented in MLCad in a way that is transparent
to outside rendering programs. I for one don't plan to EVER add support for
MLCad's GHOST, SKIP_BEGIN, or SKIP_END commands to LDView, and I feel strongly
that I shouldn't have to.
If I felt it was important to allow people to view ghosted items, then things
would be different, and I would agree that LDView would need to know about the
GHOST command. However, for the basic behavior of having ghosted items not be
drawn in LDView, I shouldn't have to modify LDView.
--Travis
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