What is it about?
App Store Description
Triangulex uses the magnetic compass to take multiple sightings of a distant object to triangulate its position.
Once two sightings of the same object have been taken, Triangulex plots the points of intersection of the bearing lines on the map and provides the position, distance and direction to the object. Triangulex also displays the component of the user's speed toward or away from the object.
If you take more than two sightings of the object, Triangulex solves all of the triangles arising from the bearings and plots the points of intersection, along with a geographic centre point.
Triangulex provides a reticle for sighting, superimposed over the camera view to allow the maximum precision when taking a sighting. The reticle is compensated for the motion of the device, so that it is possible to take accurate bearings while the device is moving or tilted. This is ideal for taking sightings from a moving platform such as a sailboat without having to ensure that the device is perfectly still and held vertically.
Other features include the ability to zoom the view through the reticle or the map display by tapping or two-finger pinch, a full-screen and rotating map display, a comprehensive data log, export to Keyhole Markup Language (.kml) for use in Google Earth or another geodetic application, a live readout of the device's location data including current bearings in degrees magnetic, true and movement-compensated, and buttons to undo the last sighting or reset all.
Triangulex requires GPS data for the location of sightings and magnetometer data for bearing information. Triangulex optionally uses the accelerometer to compensate for the motion of the device and a data connection to download map data.
Use of location services and a data connection increase the power consumption of the device. Triangulex should be used with a charging adapter when possible and users should plan for increased power consumption while using Triangulex.
Local strong magnetic fields and ferromagnetic objects may influence the magnetic compass. The device auto-compensates for some of these influences, but it may take a few minutes for this to occur when the device is moved to a new area. Turning the device in a 360-degree arc before making measurements may help to improve the accuracy of sightings.
Navigators must rely upon all available information when making decisions and should not rely upon the data provided by this application for any purpose.
Designed for iPhone and iPad with iOS 5.1 or later. Triangulex is a universal app.
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