Planetside Software Forums

General => Open Discussion => Topic started by: sjefen on May 19, 2020, 06:58:02 AM

Title: Lidar to dem
Post by: sjefen on May 19, 2020, 06:58:02 AM
Hi,


Anyone had any experience with converting LIDAR to DEM or other formats that can be used in Terragen?


- Terje
Title: Re: Lidar to dem
Post by: KyL on May 19, 2020, 11:17:30 AM
No but I imagine you could probably convert your Lidar to a VDISP map, similar to this thread:

https://planetside.co.uk/forums/index.php/topic,23959.0.html (https://planetside.co.uk/forums/index.php/topic,23959.0.html)
Title: Re: Lidar to dem
Post by: sjefen on May 19, 2020, 07:32:18 PM
Thanks 😊

I'll look into that.

I've found a good source for pulling point cloud from my home country which has lots of awesome mountains. I wanna import them to Terragen, but need to figure out how.

If anyone can find a good solution to this, I would be very happy  ;D
Title: Re: Lidar to dem
Post by: WAS on May 20, 2020, 01:45:23 AM
Some things I found searching

https://pro.arcgis.com/en/pro-app/tool-reference/conversion/las-dataset-to-raster.htm

https://dominoc925.blogspot.com/2009/09/lidar-las-file-conversion-to-tiff-using.html

https://pdal.io/workshop/exercises/analysis/dtm/dtm.html

http://www.ce.utexas.edu/prof/maidment/CE365KSpr15/Terrain/Terrain.pdf

I'm not entirely sure what sort of data you're working with but there are some options.

Additional:

https://www.youtube.com/watch?v=a5lafgEVNWI

https://portal.opentopography.org/datasets
Title: Re: Lidar to dem
Post by: sjefen on May 21, 2020, 05:30:56 PM
Ok. I've tried and failed so many times now. I know it's possible, but right now I just want Matt to implement and option to read these files and convert it to terrains  ;D
Just look at all the data that is there in the attached image. And the lovely landscape of course.
Title: Re: Lidar to dem
Post by: sjefen on May 21, 2020, 05:31:33 PM
Quote from: WAS on May 20, 2020, 01:45:23 AMSome things I found searching

https://pro.arcgis.com/en/pro-app/tool-reference/conversion/las-dataset-to-raster.htm

https://dominoc925.blogspot.com/2009/09/lidar-las-file-conversion-to-tiff-using.html

https://pdal.io/workshop/exercises/analysis/dtm/dtm.html

http://www.ce.utexas.edu/prof/maidment/CE365KSpr15/Terrain/Terrain.pdf

I'm not entirely sure what sort of data you're working with but there are some options.

Additional:

https://www.youtube.com/watch?v=a5lafgEVNWI

https://portal.opentopography.org/datasets

The data is in laz. btw.
Title: Re: Lidar to dem
Post by: WAS on May 21, 2020, 05:56:57 PM
This one seems specific to LAZ files to OBJ: https://wiki.beamng.com/Using_LIDAR_to_generate_terrain

Does seem like a lot of these are on other paid for suites.
Title: Re: Lidar to dem
Post by: sjefen on May 21, 2020, 06:12:18 PM
I'll try this one as well. Thanks  :)
Title: Re: Lidar to dem
Post by: D.A. Bentley (SuddenPlanet) on May 25, 2020, 01:22:19 PM
You could look into using MeshLab which is free.  Looks like from searching it may be possible:

MeshLab Import LIDAR (https://www.google.com/search?sxsrf=ALeKk01441Okd1nc8WaovnNwKFNjb7oH0w%3A1590427151038&ei=D_7LXtfqAZL5-gSakpKoDA&q=meshlab+import+lidar&oq=MeshLab+LIDAR)

You might need this to convert your .las file to something else:  https://www.danielgm.net/cc/

See here also:  https://stackoverflow.com/questions/44408141/how-to-convert-las-file-to-ply-file

-Derek