Strange (buggy?) behaviour in LDView BFC system


Strange (buggy?) behaviour in LDView BFC system
#1
Hi Travis,

I discovered today (after much tearing out of hair) that BFC red+green does not work when lighting is turned off[1]. Basically, the part is returned to its default colour if you switch off lighting, regardless of what is set in the BFC options.

It seems to me that these two options should not be related like that, and that BFC should work regardless. Not sure if this is a bug, or just a quirk, but it would probably be nice to see either a decoupling, or a warning.

Tim

[1] In 4.1 and 4.2b1
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Re: Strange (buggy?) behaviour in LDView BFC system
#2
I have never thought about this.
My usual way to check BFC of a part is turning the light on :-)

/Max
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Re: Strange (buggy?) behaviour in LDView BFC system
#3
Thanks for the heads-up.

It's definitely a bug, a side-effect of the implementation details of the red/green/blue BFC faces support in LDView. (Blue neutral faces aren't in the official 4.1 release, incidentally.) You're the first to report it, and I hadn't been aware of it. I'll investigate fixing it, but I think doing so will require a complete reimplementation of the feature, so I'm not sure if or when it will happen.
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Re: Strange (buggy?) behaviour in LDView BFC system
#4
I understand Smile. It's certainly not worth spending too much time on since the program works perfectly well as is. Some text "(must have lighting on)" under the BFC section would be a perfectly sufficient fix IMO.

Tim
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Re: Strange (buggy?) behaviour in LDView BFC system
#5
Good point. Perhaps I'll add the text, "Note: Colored faces require lighting to be on." inside the box, under the three colored face check boxes.
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Re: Strange (buggy?) behaviour in LDView BFC system
#6
That would be good. Anything that saves someone else reinstalling two copies of LDView, deleting all registry entries and finally accidentally discovering that lighting has to be on is a good thing Wink

Tim
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