[pdal] Generation of tiff file stops half-way

[Peter Lim]

My apology.

 

The file is corrupted.

 

 

Thank you.

 

Best Regards,

 

Peter Lim

GPS Lands (S) Pte Ltd

 

From: Peter Lim [mailto:peter.lim at gpslands.com] 
Sent: Wednesday, 6 January 2021 11:05 am
To: 'michael.smith.erdc at gmail.com'
Cc: 'Andrew Bell'; 'pdal'
Subject: RE: [pdal] Generation of tiff file stops half-way

 

Thank you Michael for the advice.

 

I used the ‘—debug’ option and Pdal output an additioinal message:

 

“(pdal info readers.las Debug) File contains both WKT and GeoTiff VLRs which is disallowed.”

 

Could this be the reason?

 

The file(in different drive, but deleted) was able to be imported by another software, 

so I’m wondering if is the process of copying to another location that corrupt the file…

 

Thank you.

 

Best Regards,

 

Peter Lim

GPS Lands (S) Pte Ltd

 

From: michael.smith.erdc at gmail.com [mailto:michael.smith.erdc at gmail.com] 
Sent: Wednesday, 6 January 2021 10:29 am
To: Peter Lim
Cc: Andrew Bell; pdal
Subject: Re: [pdal] Generation of tiff file stops half-way

 

If you get the same message reading, it’s likely that the file is corrupted. Do you have a backup or a way to get a new copy?

Michael Smith

US Army Corps

 

On Jan 5, 2021, at 9:10 PM, Peter Lim <peter.lim at gpslands.com> wrote:



Hi Andrew,

 

Using pdal info also gives the same output message.  

 

Anyway for Pdal to output what could be the possible errors in the laz file..

 

 

Thank you.

 

Best Regards,

 

Peter Lim

GPS Lands (S) Pte Ltd

 

From: Andrew Bell [mailto:andrew.bell.ia at gmail.com] 
Sent: Wednesday, 6 January 2021 9:56 am
To: Peter Lim
Cc: pdal
Subject: Re: [pdal] Generation of tiff file stops half-way

 

Perhaps there's something wrong with the input? Perhaps you should use lasinfo or pdal info to check the file as a start.

 

Good luck,

 

On Tue, Jan 5, 2021 at 8:25 PM Peter Lim <peter.lim at gpslands.com> wrote:

Hi,

When I use Pdal to generate a tiff file from a laz file using the following Json: 

[

    {

        "type":"readers.las",

        "filename":"somefile.laz"

    },

                                {

                                                "type":"writers.gdal",

                                                "resolution":0.04,

                                                "data_type":"uint16",

                                                "output_type":"mean",

                                                "dimension":"Intensity",

                                                "gdalopts":"COMPRESS=DEFLATE,ZLEVEL=9,NUM_THREADS=10000,TILED=YES",               

                                                "filename":"compressed/CR_03C_BS, Tile 0168.tif"

                                }                              

]

 

I have the following message:

 

proj_create_from_database: datum not found

proj_create_from_database: ellipsoid not found

proj_create_from_database: prime meridian not found

proj_create_from_database: datum not found

proj_create_from_database: ellipsoid not found

proj_create_from_database: prime meridian not found

PDAL: readers.las: reading point 50000 of 176406445 total points 

 

and Pdal just stops half-way.

 

No tif file is generated.  May I know what is the issue…

 

 

Thank you.

 

Best Regards,

 

Peter Lim

 

 


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