I have downloaded free DEM from the NET and I generated a contour line with 10 meter for interval. So, I just want to convert the contour lines to LAS point file to create a new terrain dataset. Is this a correct way to create terrain dataset or not, if not what is the best way to create terrain dataset with a free data?

  • thank you very much @John Lindsay,in relation to your guideline for LAS file and LIDAR data,so is any way to make a terrain dataset with a free data from the NET, i have not LIDAR data. – GIS Man Oct 2 '13 at 13:41

You can build a terrain dataset from points or lines as well as ASCII grids. No need to convert to LAS points, all you need is a multipoint feature class (which can be created from any of the above).

  • thank you very much @Martin, how can i convert lines to LAS points – GIS Man Oct 1 '13 at 13:25
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    You do not need to convert your lines to LAS points. Add your lines to your terrain dataset as they are! Follow the guide I linked and you should be fine! – Martin Oct 1 '13 at 13:34

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