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Create contours and 3d maps from google earth

To Create contours and 3d maps from google earth software used :
1. Google earth
2. TCX conventer
          Download and install TCX Conventer
         (Download link TCX Converter below)
3. MS Exel (Download MS Exel 2016 click here)
4. Surver (Download Surver 13 click here)



(Must be connected to the internet)
Click image to enlarge
1. Open Google Earth and navigate to the area of interest (e.g. Kontur Candi Boko)
    Select Add Path and : Create a path to cover the area mentioned above. 
    
    More points means more accuracy.
    After creating the path, right-click the path name then click "Save Place As" 
    and save in in kml format (e.g Kontur Candi Boko)
 


2. Open TCX Converter then click "OPEN FILE" and 
    select the kml file you saved from google earth. 
    If the software is in another language, 
    select "English" from the left topmost dropdown menu

    You will notice that the ALT (altitude) column lists zero (0) values
    Click on the Track/Modify tab then click "Update Altitude". 
    This should update the altitudes from the reading on google earth based on 
    Long/Lat combination.
     If the values on the ALT column remains zeros or error, 
     just click on Update Altitude again. Can be seen right down there is a green progress line
    After generating the altitudes, click on the File Export tab and click Save csv File 
    (e.g. Kontur Candi Boko)

3. Open MS Exel  and open the .csv file from the tcx conventer (e.g Kontur Candi Boko)
    Remove column A,B,F,G,H,I, and J. As shown below

    Replace the Long Colomn into columns  A and Lat to column B

4. Open Surver
    Open Menu Grid and select the Data, the process as shown below

     Click ok so it will form a Surfer Grid file
    Open the Map menu and select the Contour Map and open file type Surfer Grid 
    (e.g Kontur Candi Boko)
     The contour is finished
      If will make 3d shape can be repeated with Open the Map menu and select the 3d Surface


Download e.g Kontur Candi Boko

Candi Boko Hill,  Prambanan Yogyakarta


Good luck and hope help

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