[pdal] Simple ply / decimate pipeline not streaming

[Andrew Bell]

Hi,

i'm sorry, but in this case the documentation is in error.  The PLY writer
doesn't support streaming mode.  I'll fix the documentation shortly.

On Wed, Jan 16, 2019 at 8:09 PM Tom Jakubowski <tjakubowski at oblong.com>
wrote:

> Hi,
>
> I am new to pdal (using Docker's pdal/pdal:1.8, specifically
> pdal/pdal at sha256:12d0b90af6d2056467cff77509ba44878661a12217819c8af1eb91b3fda490e2).
> I've tried a very simple pipeline (attached) which, from my reading of the
> documentation, should support streaming: it reads from a .PLY file, uses
> the decimation filter with a "step" of 8, and writes to another .PLY file.
>
> https://pdal.io/stages/readers.ply.html
> https://pdal.io/stages/writers.ply.html
> https://pdal.io/stages/filters.decimation.html
>
> All three stages say they support streaming operations.
>
> However, when I run the pipeline, the process runs out of memory, and
> validating the pipeline shows it is not streaming:
>
> {
>    "error_detail" : "",
>    "streamable" : false,
>    "valid" : true
> }
>
> What am I missing? Is there a way to further debug this (e.g. identify
> which part of the pipeline inhibits streaming)? Would anyone care to
> enlighten me?
>
> Thank you,
>
> Tom
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-- 
Andrew Bell
andrew.bell.ia at gmail.com
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