[pdal] Fwd: huge file size when writing ply

Stephen V. Mather svm at clevelandmetroparks.com
Mon Jul 13 10:38:24 PDT 2020


Hint:

storage_mode

Type of ply file to write. Valid values are ‘ascii’, ‘little endian’, ‘big endian’. [Default: “ascii”]


The binary formats little endian and big endian are going to typically be much smaller than ASCII. Cloud compare writes binary format by default. PDAL writes ASCII by default.

On Jul 13, 2020, at 13:24, Andrew Bell <andrew.bell.ia at gmail.com> wrote:



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On Mon, Jul 13, 2020 at 1:17 PM vollmer at scanvision.ch<mailto:vollmer at scanvision.ch> <vollmer at scanvision.ch<mailto:vollmer at scanvision.ch>> wrote:
Hello!

Is there a way to compress ply files when writing them with pdal?

PLY doesn't provide a compressed format.

In comparsion to CloudCompare, the files sizes are huge but pdal gives the opportunity to batch process.

PLY is a standard format that is well-defined. If you're seeing large size differences from another PLY writer, you should examine the options available: https://pdal.io/stages/writers.ply.html

Best,

--
Andrew Bell
andrew.bell.ia at gmail.com<mailto:andrew.bell.ia at gmail.com>
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