About Surveyor Tools Pro
'Surveyor Tools Pro' uses your device's sensors to give you positional information about your surroundings. It is very similar to a theodolite, but it offers additional features. It provides GPS location and altitude, as...
'Surveyor Tools Pro' uses your device's sensors to give you positional information about your surroundings. It is very similar to a theodolite, but it offers additional features.
It provides GPS location and altitude, as well as elevation angle, horizon tilt angle, and azimuth angle.
'Surveyor Tools Pro' includes three screens: the main screen and two different compass screens. One is a simple compass that is like a traditional compass with a moving needle. The other compass is more modern and displays a number of useful datums. These include azimuth angle with bearing and magnetic field strength, as well as the magnetic field data accuracy.
'Surveyor Tools Pro' displays the following information on the main screen:
-GPS latitude and longitude,
-GPS (corrected - see below) altitude,
-accuracy of the altitude,
-artificial horizon,
-elevation angle,
-azimuth angle and bearing,
-horizon tilt angle,
-location of Sun, Moon, and Sun's shadow displayed on the screen with appropriate symbols,
-current local time, weekday, and date,
-vertical and horizontal 'crosshairs' centered on the field center,
-calibration button,
-picture button to take and save a picture of the current view,
-direction type (magnetic or astronomical),
-sliding 'drawer' menu.
All the angles displayed on the screen are in degrees units. The artificial horizon is shown as a bright green line. It tilts and moves vertically to compensate for camera rotations.
The 'CAL' button on the main screen is the calibration button. If you have not yet calibrated 'Surveyor Tools Pro', the button will appear green. To calibrate 'Surveyor Tools Pro' first select the object you want to calibrate with on the settings screen (Moon, Sun, Sun's shadow). Be careful when pointing at the Sun; use the Sun to calibrate only when it is cloudy and you can still see the Sun through the clouds.
Next, point the camera at the object and make sure it is centered on the gray cross in the center of the screen. Then press the 'CAL' button. The button will change color to yellow, indicating you have calibrated the 'Surveyor Tools Pro'. The calibration will be remembered when you close the app. You can calibrate again as often as you wish. Only the most recent calibration is used.
Once you have calibrated the 'Surveyor Tools Pro', the 'Direction type' will change from 'magnetic' to 'astronomical'. Prior to calibration the compasses give magnetic directions; after calibration they give astronomical (or true) directions.
The calibration performed by the 'CAL' button corrects for the difference between directions to the magnetic and true north as well as offsets between the center of the display and the measured azimuth and elevation angle values.
When the GPS coordinates cannot be determined, 'Surveyor Tools Pro' uses the last saved coordinates to perform the calculations to display the Sun, Moon, and Sun's shadow.
The reported altitude is corrected to the EGM96 geoid. This provides absolute accuracy in altitude just under one meter. Location data are automatically saved when the app is exited.
A 'settings' screen provides options to choose the altitude units (meters or feet) and the object for calibration.
When you take a picture of the current view, the image is named according to the date and time according to the following format: 'yyMMddHHmmss.png'. The location of the file is briefly shown when it is saved. You might experience a 2 or 3 second delay between the time the picture is taken and when it is saved. You can access the saved files by connecting your Android device to a computer via a USB cable.
Applications of 'Surveyor Tools Pro' include geocaching, hiking, prospecting, emergencies, accident reports, real estate, surveying, observational astronomy, and archaeology.
This app does not have ads.
Previous Versions
Here you can find the changelog of Surveyor Tools Pro since it was posted on our website on 2019-09-13 14:03:02.
The latest version is 1.1 and it was updated on 2024-04-22 16:30:07. See below the changes in each version.
Surveyor Tools Pro version 1.1
Updated At: 2015-06-24
Changes: 1.1 - improved compatibility with newer Android devices.
Disclaimer
Official Google Play Link
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