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Valued Contributor
Posts: 553
Registered: ‎10-27-2015

Merge 130 GB of las point cloud

Dear all,

I have 29 las file for a total of 129 GB. Each las file works fine in ERDAS.

I wan to merge them in one hpc file.

I have user Terrain Prep Tool. Now I have one las file, 130 GB. If I import it in ERDAS I see only the red boundary.

If I try to convert it in HPC I have an error:

8/02/19 18:03:11 C:/Program Files/Hexagon/ERDAS IMAGINE 2018/bin/Win32Release/dtmmergeprocess.exe -single C:/Users/utente/AppData/Local/Temp/tpdfp15513733901020811.dfp g:/csi/sgm_hpc/merged_las.las active -temp temp -meter DTM Merge
28/02/19 18:03:11 dtmmergeprocess(13848): Merge DTM Starts...
28/02/19 22:06:54 dtmmergeprocess(13848): Merge DTM Finished...
28/02/19 22:06:54 dtmmergeprocess(13848): All done!
28/02/19 22:06:54 SessionMgr(4700): dtmmergeprocess.exe exited normally.
01/03/19 13:37:28 SessionMgr(4700): dtmfusion.exe exited normally.
01/03/19 13:39:56 eml export_data.eml;
01/03/19 13:40:41 C:/Program Files/Hexagon/ERDAS IMAGINE 2018/bin/Win32Release/exporthpc.exe -inputfilename g:/csi/sgm_hpc/merged_las.las -outputfilename g:/csi/sgm_hpc/merged_las.hpc -gui
01/03/19 13:40:52 eml job exporthpc "g:/csi/sgm_hpc/merged_las.las" "g:/csi/sgm_hpc/merged_las.hpc" -srs "EPSG:3003" -genminmax -attributes true;
01/03/19 13:40:52 C:/Program Files/Hexagon/ERDAS IMAGINE 2018/bin/Win32Release/exporthpc.exe g:/csi/sgm_hpc/merged_las.las g:/csi/sgm_hpc/merged_las.hpc -srs EPSG:3003 -genminmax -attributes true
01/03/19 13:40:52 job exporthpc "g:/csi/sgm_hpc/merged_las.las" "g:/csi/sgm_hpc/merged_las.hpc" -srs "EPSG:3003" -genminmax -attributes true ;

Anyone can help me on this?
Thank you

Staff
Posts: 153
Registered: ‎02-05-2016

Re: Merge 130 GB of las point cloud

We can investigate the problem. Could you please share a sample of your data?

Valued Contributor
Posts: 553
Registered: ‎10-27-2015

Re: Merge 130 GB of las point cloud

[ Edited ]

Thank you Partha. What data do you need?  Two las file are ok?

I try also to convert all the files in hpc and to merge them in, using Terrain Prep Tool. As output I have a merged hpc point cloud but if I try to open it I have an error. 

Now I am trying to merge the hpc files using the merge point cloud tool. Using this tool I have a working LAS file. But if I try to convert this file in HPC, have a file that ERDAS do not recognize as point cloud. What is the correct workflow?

thank you

Staff
Posts: 130
Registered: ‎06-30-2016

Re: Merge 130 GB of las point cloud

[ Edited ]

Have you tried merging using the point cloud merge operator in Spatial Model Editor?

 

Sam

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