Bit of a simulator going on WIP. Other stuff going on . You might understand from this how to range the hand . I will work it back when I get a chance . A few Post Christmas Jobs to be done .
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I have been testing this out when in the mountains. The pressure obviously changes with altitude. I was at 600, 1400, and 2600m above sea level.
So with this watch face:
I was able to prove this table:
So ATM works well when changing altitude, but not too sure how you would map that to weather pattern changes. Because you would need to measure how fast the pressure is changeing and in which direction. Unfortunately Facer does not have variables to store a value.
btw., my formula for my hPa hand is (486.4-#ATM#*0.47)
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Yeah as TOM says You have to do a bit of research in your local area . The direction the needle on a barometer is going is critical that is why they always have a substantial glass on them and an adjustable pointer .
Here is the other WIP with the working hand on it for this Scale / Dial see I have clamped it so it will not go beyond your selected Range . It is still about 1hpa out . But when you have locked off the scale graduations we can tweak the maths . It looks horribly complicated but have a little play and see how it works . We can always go back to Toms method all be it a different factor and start point .
See the facer Time machine sims ATM 0 to 1000 over an hour in the morning . Ha Ha .
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thank you guys m what about using chart graph not watch hand ??
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You got the same answer from two of us .
You need Different Equipment to do that .
Display that retains Pixel instructions or a Large array of Variables .
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Hi @russellcresser this is a WIP I started earlier and picked up again when I saw the topic. I drew the scales myself. I remember struggling with the curved text and layout. What I am saying is that it would be good to check the accuracy of my scales before looking/spending time trying to improve the calibration - just in case!
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From what I could see was all pretty good . What we need to do is establish what is a sensible range . Look at the dials on classic Barometers . I am am pleased with the clamp work . I like the challenge of trying to sort these things . My head is a bit thick at the moment . Let us know if you need it trimming .
this my new watch face .
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Yeah that is Busy enough. Is that the one that Charted? Well done. Bit too much small stuff for my eyesight. But those Faces are very Popular . Good value for money.
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is for free lol im still new , by the way how to add mullite text color . for example you wanna change the watch text color ?
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You Must remember we covered Colour changing in this topic .
It can only be done with Multiple layers .
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all good thank you mate
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My ego likes that you have been using my WIP barometer but perhaps this might be better Dario Marnoni - barometer - watch face for Apple Watch, Samsung Gear S3, Huawei Watch, and more - Facer
I just spotted this whilst looking for inspiration to improve my watch face unfortunately for me @dario.marnoni also had the same inspiration 
Maybe he will join the conversation and add his expertise.
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Yeah that would be Nice. Beautiful face but we dont often see Dario here. See if the Invocation works.
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At the beginning of my production I was looking for “oddities” to put in faces and the barometer seemed like an interesting thing; then there were no direct pressure values so I “invented” a formula to hypothesize a pressure based on the weather condition but obviously it was super random.
Sometimes I use the pressure value provided by Facer but I’m not convinced that the result is always acceptable… I think it depends on OpenWeather which supplies the data and sincerely I have no idea and so I try not to use this type of TAG too often.
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It can be done. I have a fascination for Barometric so I have created it for my watches but altitude needs to be in your formula which makes it unpractical for worldwide downloads and use.
This guy created an app for the Galaxy and it’s the best I have come across. Check it out. Altitude needs to be set with bezel then good to go. Also shows color change since last gander, and Dark mode . How the heck he got it to work when the Galaxy ATM and Altitude are so wonky is amazing.
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I’m pretty sure with current programming tools available in Facer workspace, it’s impossible. And of course, there are a Wear OS apps doing the job. On the other hand, constant value sensing would be demanding on the battery, so it would make no special sense, IMO. The thing which you COULD do, if you feel so (and I’ve seen many faces which have it done this way), is to imitate a graph with an animation. Hope my opinion helps!
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Hello how is it going with the barometer test watch face?
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Hey . Steam ran out . Have you a specific question ?
If you want to check it on your watch I can Publish it .
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