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Questions tagged [altitude]

the vertical elevation of an object above a surface (as sea level or land) of a planet or natural satellite

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Can't obtain the altitude at user's current position

I'm executing the code below to fetch the current position of the user. It works dandy but I'm only getting the "flat" information - altitude and longitude - while altitude is null. Can that be remedied and, if so, how? var geolocationProvider = new…
Konrad Viltersten
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Calculating elevation using mathematical formula

Does anyone know how to calculate elevation using lattitude and longitude. By calculation I mean formula to calculate it manually. Other than using lattitude and longitude is there any other way to find elevation from any other parameters ? EDIT…
suja
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Algorithm to make balloon fly to specified altitude/height

I'm looking for a way/algorithm to make a robot balloon fly to a certain altitude. The robot is controlled by a Raspberry Pi and has a propeller. Propeller speed can be set to several values (it uses PWM so technically 1024 different power…
Magic Rune
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Elevation API gives me illogical results

I use the longitude and latitude of any location to get the elevation using Google elevation API. https://developers.google.com/maps/documentation/elevation/ But it gives me illogical elevations for example I am in the second floor and it gives me…
Menna-Allah Sami
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How to convert location data to longitude and altitude using the query of PostgreSQL?

I am newbie to PostgreSQL and postGIS...I have a PostgreSQL database dump, which contains a series of location data. The location data should be the longitude and altitude of some points but is stored in the sql file in a string of numbers and…
Hamid
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Android: Elipsoid Altitude to Metres over Sea

I know that when I use .getAltitude() I get the height above the WGS84 reference ellipsoid. Now, there is an inaccuracy of more than 50 metres. Furthermore, I know that the height can not be calculated so easy to the normal metres over sea. In my…
user896692
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Is there any idea to get altitude data quickly while using LocationClient for Android?

I have been using LocationManager for Android to record location data, and the new 'LocationClient' API has come, so I tried it. The result looked good. It gets location data very quickly, but I found that the Android Fused Location…
user2435926
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Unable get the proper altitude from gps satellite in android Device

i am using android in my small spy android helicopter i am getting proper latitude and longitude when it is above 500ft from the ground ,i am doing landing of my helicopter based on the height calculated from the altitude .but what i am getting as…
user2295109
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Convert moon's altitude to kilometers

I'm getting information about the moon's altitude from yr.no's API and they print the altitude as 50.0496753501172. How can I convert that to kilometers; even if it is already in kilometers?
Airikr
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Android Magnetometer calculate altitude

Is it possible to get the altitude of my position using the Android magnetometer? If yes how can I calculate the altitude? As I understood I get from the Android API three coordinates x,y and z and the magnetic field strength in Tesla. I can…
Irgendw Pointer
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inaccurate altitude readings from gps

Hi i have one small problem. I wrote an app in which i log lat,long and alt from gps. Long and lat is quite ok but altitude is at the start more than 60m above correct one ( correct is ~275 but shows ~345). During first 1-2 minutes of logging…
szpic
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Windows phone 8 gps / altitude problems

UPDATE: using the sample from here - http://code.msdn.microsoft.com/wpapps/Location-sample-f11aa4e7 and adding an altitude readout I get the same thing as my code. Poor accuracy is being off by 50ft. Going back and forth between 720 (correct) and…
clarky
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android:implement altitude of device

I am making an app in which i have to get altitude of device and my code is as follows: public class MyLocationListener implements LocationListener { public void onLocationChanged(Location loc) { try { …
user881928
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Work with coordinates with altitude and accuracy in PostgreSQL + Postgis

In PostgreSQL, I have a table with three columns, one for points, one for lines and one for polygons, obtained from Kobotoolbox. The data is written like this: Point: Latitude Longitude Altitude Accuracy Line: Latitude Longitude Altitude Accuracy;…
Pablo Schweitzer
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Custom input and output of altitude of the GeoPoint in OSMdroid

Can't read, evaluate the custom altitude for a given Geopoint in a List. Basically I would like to have a path with x,y,Z, in Osmdroid. Z has to be ascending till middle of the path, then descending.(Z-value) Hold on, it has to be a Point or…
noro zoro
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