[pdal] Beginners help

[Howard Butler]

The \ character is a line continuation on unix. The ^ character is a line continuation on windows. Since your screenshot is windows, you'll want to use ^'s instead of \'s.

This reminds me we should update the workshop to make this much clearer.

Howard

> On Jun 10, 2020, at 4:12 PM, Marcus Conrad <marcusconrad at hotmail.com> wrote:
> 
> Hi, apologies but I have very limited understanding of coding, command line etc.
>  
> I am desperately trying to use PDAL to reproject a point cloud form one coordinate system to another. This is a self funded project experimenting with drone data. I am using open source or low cost software and this is the last stage of the workflow.
>  
> I have followed the instructions for installing Miniconda and PDAL and setting up myenv. I am not sure what exists in an environment as different workshops state downloading pdal into newly set up environments. I am also not sure why I am automatically in C\usr\marcu and how to change this but this is not critical.
>  
> I have been running basic commands such as pdal info and –metadata so I know it works ok.
>  
> I wasn’t sure about \ and ^ which appear to be new lines so wasn’t sure how to input this but have used | which seems to work.
>  
> When I try the exercise in workshop>translation>reprojection
>  
> pdal translate ./exercises/analysis/ground/CSite1_orig-utm.laz \
>  ./exercises/translation/csite-dd.laz reprojection \
>  --filters.reprojection.out_srs="EPSG:4326"
>  
> I get the error
>  
> <45301E9B57FA43B690670C90D5D15D0C.png>
>  
> Eventually I believe I want to use the following:
>  
> pdal translate \
> C:\3D\Captured_Photos\Wendron_Pitch4_27_20\Tiff_8bit_exif_nadir\DrnMppr3D\WendronNadSection.las reprojection \
> --filters.reprojection.in_srs="EPSG:32630" \
> --filters.reprojection.out_srs="EPSG:7405" \
> --writers.las.scale_x=0.0000001 \
> --writers.las.scale_y=0.0000001 \
> --writers.las.offset_x="auto" \
> --writers.las.offset_y="auto"
>  
> With this I get the following error '--filters.reprojection.in_srs' is not recognized as an internal or external command,
> operable program or batch file.
>  
> Apologies again for asking basic questions in this forum. I started with the exercise and tutorials but still struggled.
>  
> Marcus
>  
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10
>  
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