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Re: [LUG] lidar data
- To: "list" <list@xxxxxxxxxxxxx>
- Subject: Re: [LUG] lidar data
- From: Mark Thurston <mark@xxxxxxxxxx>
- Date: Mon, 22 Nov 2021 20:21:11 +0000
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> Just found this
> https://environment.data.gov.uk/DefraDataDownload/?Mode=survey and
> wondering if anyone knows of an open source program to view/manipulate
> the data
>From a brief look, it seems like the download format is asc, ascii encoded
>co-ordinate data. This can be processed with Python but you might need to tweak,
>depending on your use case:
>https://stackoverflow.com/questions/30117567/how-to-read-extract-climate-model-data-in-asc-file-format-by-using-python
To import into Python - use a Jupyter Notebook:
import matplotlib.pyplot as plt
import numpy as np
%matplotlib inline
lidar_data = np.loadtxt('filename.asc', skiprows=6)
plt.imshow(lidar_data) # this will display the map data inline
This article might be useful:
https://towardsdatascience.com/how-to-automate-lidar-point-cloud-processing-with-python-a027454a536c
Depending on what you're trying to achieve.
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