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Saving GPS coordinates

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9 years 1 week ago #118197 by dgtano
Replied by dgtano on topic Saving GPS coordinates
Fantastic. Tks a lot
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8 years 11 months ago - 8 years 11 months ago #118541 by shawnchan
Replied by shawnchan on topic Saving GPS coordinates
Hello,

Thank you very much for your effort, it looks like everybody else can work it out with your sample survey. I also tried to do it with your sample survey [limesurvey_survey_geolocation.lss ], but nothing shows in the text box after clicking the button, although a pop-up window shows up and asking for permission to get the location. Do you have any idea on this? I can get the location in Google map so I guess it's not the signal problem.

I also tried it on both android device and IPAD but it's still not working.

Thanks a lot.

LimeSurvey: Version 1.91+ Build 11379
Last edit: 8 years 11 months ago by shawnchan.
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8 years 11 months ago #118554 by tpartner
Replied by tpartner on topic Saving GPS coordinates
The survey was developed for LS 2+. Please upgrade your installation.

Cheers,
Tony Partner

Solutions, code and workarounds presented in these forums are given without any warranty, implied or otherwise.
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8 years 11 months ago #118555 by shawnchan
Replied by shawnchan on topic Saving GPS coordinates
Thanks for you reply. Is there any way I can get the GPS coordinates without an upgrade?

I tried to copy the two functions getGPS and showGPS to the lss file by the version 1.91 and then import back to LS but no luck..is there any way you can help to modify the lss file attached? It would be great if the lime survey can automatically save the GPS coordinates and store the coordinates as a variable.

I am attaching a sample survey generated by limesurvey Version 1.91+ Build 11379.
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8 years 11 months ago #118557 by tpartner
Replied by tpartner on topic Saving GPS coordinates
I'm sorry, I cannot develop or test for 1.92 - it's too old.

Cheers,
Tony Partner

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The following user(s) said Thank You: DenisChenu
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8 years 11 months ago #118564 by holch
Replied by holch on topic Saving GPS coordinates
@tpartner: And it is not even 1.92, it is 1.91, even older...

I answer at the LimeSurvey forum in my spare time, I'm not a LimeSurvey GmbH employee.
No support via private message.

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8 years 11 months ago #118589 by shawnchan
Replied by shawnchan on topic Saving GPS coordinates
Oh..I guess I have to upgrade Limesurvey before asking for help again.

Thanks again for your advise.
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8 years 11 months ago #118976 by shawnchan
Replied by shawnchan on topic Saving GPS coordinates
I used your scripts on demo version of limesurvey and I can get the GPS coordinates now. The GPS coordinates is automatically shown the text box when I open the survey. Thanks tpartner for that.

What I'm trying to do now is to use the GPS function as a measure of quality control, making sure that they have done the interviews at the correct location.

Is there any way we can "secretly" store the GPS coordinates without noticing the users? because now GPS coordinates is shown on screen and even can be edited by users. I tried to do it by hiding the questions but I can't get the GPS coordinates when the question is hidden.
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8 years 11 months ago #118981 by tpartner
Replied by tpartner on topic Saving GPS coordinates
You cannot manipulate a question that is hidden with the advanced question settings.

Try hiding the question with JavaScript.

Code:
<script type="text/javascript" charset="utf-8">
 
  $(document).ready(function(){
 
    // Identify this question
    var q1ID = '{QID}';
    var q1 = $('#question'+q1ID);
 
    // Hide this question
    q1.hide();
 
    function getGPS() {
      if (navigator.geolocation) {  
        navigator.geolocation.getCurrentPosition(showGPS, gpsError);
      } else {  
        $('input.text', q1).val('No GPS Functionality');  
      }
    }
 
    function gpsError(error) {
      //alert('GPS Error: '+error.code+', '+error.message);
    }
 
    function showGPS(position) {
      $('input.text', q1).val(position.coords.latitude+', '+position.coords.longitude);
    }
 
    getGPS();
 
  });
</script>

Cheers,
Tony Partner

Solutions, code and workarounds presented in these forums are given without any warranty, implied or otherwise.
The following user(s) said Thank You: daleal
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8 years 11 months ago #119032 by shawnchan
Replied by shawnchan on topic Saving GPS coordinates
It's works perfectly now!!! Thanks a lot!
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8 years 1 month ago #131079 by rasheed
Replied by rasheed on topic Saving GPS coordinates
Hello,

I wonder if there is a similar script for getting the device system info such as OS, Navigator,..

Thank you !
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8 years 1 month ago #131081 by holch
Replied by holch on topic Saving GPS coordinates
Yes there is and you can find an example here in the forum. It might be a little older, but I gave an example where you save a lot of data about the browser and the screen etc. via Javascript into a hidden question. I am not sure if OS is included, but should be possible to include.

I answer at the LimeSurvey forum in my spare time, I'm not a LimeSurvey GmbH employee.
No support via private message.

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