Not all of us are motivated just by money. Some of us will spend our time and money for the sake of learning (which the OP is definitely getting here) or for benefiting society in some way.
I built a web app to help plan deco dives
- Thread starter dylanfromwinnipeg
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Even though you quoted me, you didn’t understand what I wrote.
I see you joined SB about two months ago - welcome! And very nice project. This is definitely an excellent way to solidify your understanding of the theory, and have fun along the way. Don't let odd nay-sayer discourage you.
I'm curious - to implement your deco code, did you start from scratch (read books, published articles)? Or did you study/modify/adapt some other deco implementation?
But this isn't your project, so why does it matter to you how someone else chooses to occupy their time?
Whose marketing? The OP isn't marketing, he's sharing his enthusiasm for diving.
OP
dylanfromwinnipeg
Contributor
I coded it from scratch, mostly using the maths from the wikipedia article on Buhlmann. I found another open-source project that implements Buhlmann too and referred to that when I wasn't quite sure how something was supposed to be calculated (GitHub - jirkapok/GasPlanner: Simple scuba diving gas planning calculator. Calculates decompression and dive ascent based on Buhlmann ZHL-16 model.)
OP
dylanfromwinnipeg
Contributor
I've been in mexico all winter and had no time to work on this but I'm back in Canada for the summer now and picking it back up. Spent the last week doing some code cleanup and noticed an interesting scenario that at first I thought was a bug, but as I dug in I think it's accurate, but looks weird as hell.
I created a nonsensical dive that starts on air, descends to 35m, stays there for 60 mins, then switches to 35/12.
When I did that there is a little chart in my app that shows what happens to your ceiling over the next 2 hours (assuming you stay at the same depth on the same gas), and it looked like this:
That looks pretty unusual to me! But after digging into the calculations I think it's correct. What makes it look so dramatic is that the scale of the y-axis is zoomed in to just show changes between 9m and 10m ceiling so the graph swings dramatically.
When I go to the chart that shows which tissues are driving the ceiling it shows a bunch of swaps between leading tissues which corresponds to the swings in that first graph. Pretty cool to see IMO.
I created a nonsensical dive that starts on air, descends to 35m, stays there for 60 mins, then switches to 35/12.
When I did that there is a little chart in my app that shows what happens to your ceiling over the next 2 hours (assuming you stay at the same depth on the same gas), and it looked like this:
That looks pretty unusual to me! But after digging into the calculations I think it's correct. What makes it look so dramatic is that the scale of the y-axis is zoomed in to just show changes between 9m and 10m ceiling so the graph swings dramatically.
When I go to the chart that shows which tissues are driving the ceiling it shows a bunch of swaps between leading tissues which corresponds to the swings in that first graph. Pretty cool to see IMO.
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