Is there any specific way to convert approximately 25000 points in Google Earth Pro to paths or draw paths between points automatically? Since I want to obtain their altitude data, I need it to be a path (elevation profile). I drew a grid point in another software and converted it to a KML file, but I need it to be path.


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If your point data can be visualised in a GIS system such as arcmap then there are tools that will string the points together into a polyline which you can then export to a kml. You'll want to work in wgs84. I'm sure there will be equivalent tools in qgis if you prefer to use that?


In QGIS the tool Points to path do this (Example here: https://www.youtube.com/watch?v=U4ecutybI0w). You need to specify the field containing the order in which the points will be connected.

You can also use the following toolbox: https://plugins.qgis.org/planet/tag/routing/

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