[pdal] Several Overlapping Patches When Writing to pgpointcloud through filters.chipper

[Andrew Bell]

I don't think this should be happening, but I'm not very familiar with
pgpointcloud. Do you get the same overlapping tile behavior if you write to
LAS, for example?

On Mon, Nov 30, 2020 at 10:00 PM Peter Lim <peter.lim at gpslands.com> wrote:

> Hi,
>
>
>
> I’m reading some las files, using filters.chipper and write to PostgreSQ
> database using the following pipeline:
>
>
>
> [
>
>     {
>
> "type":"readers.las",
>
>                 "filename":"X:/tem/*.las"
>
>    },
>
>   {
>
>                 "type":"filters.reprojection",
>
>                 "in_srs":"EPSG:32648",
>
>                 "out_srs":"EPSG:3414"
>
>     },
>
>     {
>
>                  "type":"filters.chipper",
>
>                 "capacity":600
>
>     },
>
>     {
>
> "type":"writers.pgpointcloud",
>
> "connection":"host='localhost' dbname='lidar' user='anyuser'  ",
>
> "table":"example",
>
> "schema":"pc",
>
>                 "overwrite":"true",
>
> "compression":"dimensional",
>
> "srid":"3414",
>
> "scale_x":"0.001",
>
>                 "scale_y":"0.001",
>
>                 "scale_z":"0.001",
>
>                 "offset_x":"2000",
>
>
> "offset_y":"20000",
>
>
>                 "output_dims":"Intensity, X, Y,
> Z"
>
>     }
>
> ]
>
>
>
> However, the table has many overlapping patches as shown below:
>
>
>
> I had tried using filters.mortonorder but still the same results.
>
>
>
> May I know is there anyway to avoid or reduce overlapping patches.
>
>
>
> Please advise.
>
>
>
> Thank you.
>
>
>
> Best Regards,
>
>
>
> Peter Lim
>
>
>
>
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-- 
Andrew Bell
andrew.bell.ia at gmail.com
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