Cylinder vs. tank -

Dirk Hohndel dirk at hohndel.org
Tue Nov 28 17:43:55 PST 2017


Oh... memory lane... this actually made me compile Subsurface-1.0 again. And as expected, the hardest part was to find a matching libdivecomputer version. I really need to tackle that submodule thing. But instead I'm spending time on archeology... :-)

> On Nov 28, 2017, at 12:45 PM, Linus Torvalds <torvalds at linux-foundation.org> wrote:
> On Tue, Nov 28, 2017 at 12:29 PM, Dirk Hohndel <dirk at hohndel.org <mailto:dirk at hohndel.org>> wrote:
> >
> > You mean the amazing user interface that we used to have? The brilliance that was Subsurface 1.0?
> 
> I don't think "brilliance" really is sufficient to describe the stark beauty of early versions. 

Yes, definitely.

> The tank pressure graph that shrinks upwards is particularly good.
> 
> It's the same axis as the depth, so smaller values are higher. Logical!

Yes, very much so - but by 1.0 we had already lost that brilliant concept.
Some ignorant twit made you change this. I found the commit:

commit d5b102bdf3c2f1e78c51fe8b81e8ff134c30d012
Author: Dirk Hohndel <dirk at hohndel.org>
Date:   Fri Sep 16 20:53:05 2011 -0700

    Flip tank pressure graph to show the RIGHT way
    
    This annoyed me from the first moment Linus added the tank pressure graph.
    As the pressure goes down, the graph needs to go down. Seriously.
    
    Signed-off-by: Dirk Hohndel <dirk at hohndel.org>

Just 10 days before 1.0 came out... and in those ten days you added 72 commits to Subsurface. Those were the days :-)

> Me likey.​

Yeah, that was part of the problem... :-)

/D

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