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Questions tagged [las]

An industry-standard binary file format that maintains information related to lidar data.

References

LAS specification - version 1.4

Other LAS file types

Log ASCII Standard (LAS) is a standard file-format common in the oil-and-gas and water well industries to store well log information. Use the tag for questions related to Log ASCII Standard files.

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problem in reading las file using liblas and laspy in python

I pip installed liblas, which got installed perfectly, but still, when I'm trying to import liblas it's raising an error which is shown in the 1st error. then I pip installed laspy, which installed perfectly and tried to read my las file from that…
user10867289
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Finding points in LAS file by coordinates

I am trying to find points in a LAS file (Lidar format): Right now I am doing it the really slow way: from laspy.file import File import numpy as np inFile = File('inputfile.las', mode='r') coord = np.vstack((inFile.x, inFile.y,…
fsp
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How to configure lidR catalog to save files with file name

I'm trying to learn how to use the options of catalog() within the lidR package in R. I'd like to save directly the processed files, for example, using grid_terrain() function over a catalog and save files keeping the filename of the original…
César Arquero Cabral
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Reading .las file into C++

I'm fairly new at C++, but I'm trying to read in a .las file. I'm sort of following this youtube video, but I'm still having some issues reading in the file. I'm getting several errors: error: prototype for 'int PointCloud::read(const string&)' does…
p0ps1c1e
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How do i convert a las file into a txt (or csv) file in python?

As the title suggested, how can i convert a .las file in a .txt or .csv file? Does laspy library do that? Someone suggested to use pdal (.LAS into a .CSV file using python) but it is not clear how to do that
Sbobby
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Is there a way to merge point clouds attributes in python?

I have two point clouds (.las file). The coordinates of points (x, y,z) are the same in both the data, but one dataset has intensity attribute, while the other one has classification attribute only. I would like to merge these information, and…
Sbobby
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How do I create bounding box for polygons with more than 4 vertexes in python? And how do I do it for circles?

I am working with LAS files containing LiDAR point cloud data and a shapefile defining polygons. The goal is to compare the classification values of points within the polygons between two LAS files and report any changes. I attempted to analyze LAS…
NK_96
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.LAS into a .CSV file using python

How to change a .las file into a .csv file? Have been trying myself but no luck no far. I am just looking for something decently short that will save some time when I have to convert big .olas files into .csv files.
Jakub Pecak
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