NavList:

   

Reply

[I sent an initial reply which hasn't turned up yet.  If it does, here are my 
more considered comments, anyway.]

I have an app called Spyglass on my iPhone which seems to meet all your 
requirements.  It shows a zoomable image of what the iPhone's camera 
currently sees, with a reticule superimposed over that showing azimuth and 
elevation.  It shows the position of the sun, moon and other obvious 
celestial bodies.  Other information, including the time and your GPS 
position is also shown.  You can save bearings to several objects, marked on 
screen even as you turn to face elsewhere.  You can also save what you are 
seeing (the camera image and all the superimposed information) as a 
photograph.  There are other features, including apparently the ability to 
measure the (linear) distance between remote objects, although I haven't 
figured out quite how to do that with the app.

Recommended.


Phil


On 6 Mar 2012, at 20:15, Lu Abel wrote:

> iPhones have some very accurate sensors built in -- not only GPS but a compass and an inclinometer.
> 
> The basic compass that comes with the iPhone is pretty neat, but I'm 
wondering if there is an app that is specifically designed as a hand bearing 
compass, ie, an app where you can aim your iPhone at a distant object (the 
app would likely have to give something like a sight vane) and it would give 
the bearing to the object (with, perhaps, the ability to freeze the bearing 
so you can move the iPhone to read the bearing without having it change)

   

Reply