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PDAL (Point Data Abstraction Library) provides both a suite of command-line applications and programming library for the processing, filtering, translation, and querying of point cloud data in a pipeline fashion that allows complex processing chains to be put together simply.
134 questions
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Skip LAS files in PDAL Pipeline from directory conditionally
I want to use a PDAL pipeline to process a directory of .las files via a couple stages. My pseudocode / general workflow is this:
Filter to ground and canopy classifications (specifically a custom-...
3
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1
answer
40
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PDAL assigning horizontal and vertical CRS
I have a LAS file which im using PDAL to convert it to a COPC. As part of the process I want to assign both the horizontal and vertical CRS to the output COPC.
I can easily assign a horizontal CRS ...
2
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1
answer
177
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Can I use PDAL inside QGIS on Debian?
When I install QGIS 3 on Windows, the Processing Toolbox includes some point cloud routines based on PDAL. When I install the same version of QGIS on Debian, it doesn't—the routines don't even appear ...
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146
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Merging 300GB + of las files into one laz file
I'm working with point cloud processing and I'm having some issues to manage to merge the point cloud files I have, is something around a billion points in las format.
I need to merge them into a ...
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89
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What is the correct way to capture error from PDAL in a python script
I am trying to execute PDAL within a python script for multiple tasks from conversion to filtering, etc. If there is any error with the file, PDAL stops executing and throws an error. But I am unable ...
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40
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PDAL Coplanar in a WHERE statement?
I can't get Coplanar = 1 to be accepted in a WHERE condition in PDAL. I can run filters.approximatecoplanar, and I can use Coplanar in a range statement ("limits":"Coplanar[1:1]")....
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69
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PDAL one liner : using same filter twice
I just want a confirmation that it is not possible to do the following PDAL pipeline as a one line command :
[
"in.ply",
{
"type" : "filters.ferry",
...
1
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1
answer
74
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PDAL readers.las Error returning GDAL Failure (1) "components of the compound CRS do not belong to one of the allowed combinations of ..."
Encounter following errors while trying to read .las data from LidarBC (dwld data here if needed). I am using pdal=2.7.1 and have libgdal=3.8.5.
When i try to translate the linked file with
pdal ...
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56
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Reprojecting LiDAR Data with SRS
I am very newly exposed to LiDAR data and coordinate systems. I am not a professional, rather someone who is trying to answer a local question regarding our watersheds.
I am looking at two sets of ...
1
vote
2
answers
71
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Is there a way to control the number of points per node when writing to COPC
I'm trying to write a very large (6TB) collection of LAZ files into a collection of COPC files. When viewing these remotely using a webviewer, I'm running into performance issues when the viewer has ...
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50
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Inconsistent behaviour for accessing COPC from S3 compatible storage
We are experiencing inconsistent behaviour on access to COPC files from Web clients. Desktop clients (QGIS and PDAL info) work perfectly from our CEPH-based S3 compatible bucket.
But http://viewer....
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97
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How to use a calculated variable within a PDAL pipeline
I'm using a pdal pipeline in a python project.
What I want to do is load a file (text format), calculate its resolution, then use its resolution in a filters.faceraster to create a tif. I have no ...
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1
answer
144
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PDAL Translates Removes LAS Attributes
I am using PDAL (pdal 2.7.1 (git-version: Release)) "Translate" for assigning a CRS to my ALS pointcloud (format LAS; point format 6).
However, everything works fine, but some Attributes (...
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1
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194
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What is the correct way to verify pdal plugins (.e57 reader) in OSGeo4W shell?
When running the command pdal info "Z:\myE57pointcloud.e57" --summary
inside the OSGeo4W (Windows) shell, I receive the error:
PDAL: Couldn't create reader stage of type 'readers.e57'.
You ...
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38
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QGIS/PDAL: Selecting/tagging equally-spaced subset of point data
I have a set of high-density bathymetric point data with a maximum density of 30m. I now want to select or otherwise differentiate a subset of these points, evenly distributed throughout the set at an ...