[pdal] Point cloud XYZ offset when using readers & filters

Paul Sung-Pyo Park ppark31 at gmail.com
Wed May 24 13:16:25 PDT 2017


Brad,

That worked beautifully, just removed a manual setup I didn't want.

Thank You!

*Paul*

On Wed, May 24, 2017 at 2:32 PM, Bradley Chambers <brad.chambers at gmail.com>
wrote:

> Paul,
>
> You are correct, the PCD writer does subtract an offset by default. You
> should be able to suppress this behavior by setting "subtract_minimum" to
> false in the PCD writer options.
>
> Brad
>
> On Wed, May 24, 2017 at 1:54 PM Paul Sung-Pyo Park <ppark31 at gmail.com>
> wrote:
>
>> Hello,
>>
>> I am relatively new to using PDAL. I currently have a PCD file that I
>> have translated from LAZ using CloudCompare that aligns with it's LAZ
>> counterpart. However, when I use the PDAL pipeline to do that same
>> translation using:
>>
>> """
>>     {
>>         "pipeline": [
>>         {
>>             "type": "readers.las",
>>             "filename": "input.las"
>>         },
>>         {
>>             "type": "writers.pcd",
>>             "filename": "output.pcd"
>>         }
>>         ]
>>     } """
>>
>> the output PCD seems to have a XYZ offset. I have also tried using the
>> PCD file translated using CloudCompare to run a decimation filter in PDAL
>> to see if the offset is only created during translating between file
>> formats. However, I also have to offset occur when the decimated output PCD
>> is created. Might there be something I am overlooking during my processing?
>>
>> Thank You
>>
>> --
>> *Paul*
>> _______________________________________________
>> pdal mailing list
>> pdal at lists.osgeo.org
>> https://lists.osgeo.org/mailman/listinfo/pdal
>
>


-- 
*Paul Park*
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