Show HN: Degrees What?

Post by pjc50 » Tue, Jul 04, 2023, 9:24 AM UTC

perilunar wrote: post #12

defrost wrote: post #7

The 'compass' setting is a minefield if done 'correctly' For the kinds of maps I coded for in the 1980's you'll want your compass rose to indicate * Geographic North (on, say a WGS84 ellipsoid) * Magnetic North (where a magnetic compass points, this varies by time and geographic location) * Rotational North (the spin axis of the planet - it walks a bit) This things can be added if you're looking for an additional ( p…

I was tempted to add device orientation for mobile, but figured people might think it was an actual compass, and AFAIK support is a bit spotty.

Post by flangola7 » Tue, Jul 04, 2023, 9:36 AM UTC

Lester_Square wrote: post #14

lostmsu wrote: post #5

Earlier quoted context omitted.

-40K are impossible AFAIK

Kelvin is not measured in degrees however, so is excluded by implication

Post by bmicraft » Tue, Jul 04, 2023, 9:41 AM UTC

flangola7 wrote: post #73

Lester_Square wrote: post #14

Earlier quoted context omitted.

Kelvin is not measured in degrees however, so is excluded by implication

It's not? What is it measured in then?

Post by askvictor » Tue, Jul 04, 2023, 9:45 AM UTC

oytis wrote: post #45

Cool, always wanted a tool to convert an angle to Fahrenheit.

Post by xnorswap » Tue, Jul 04, 2023, 10:01 AM UTC

mnw21cam wrote: post #78

> 15° is the angle the Earth turns in one hour It's actually more like 15.0411° in an hour. This matters if you're keeping a telescope pointed at something in the night sky to take a picture of it.