glw

# Install pyenv
curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash

# other install directions https://github.com/pyenv/pyenv

# Install dependencies
sudo apt-get install -y git make gcc build-essential libssl-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev xz-utils tk-dev

glw

https://help.ubuntu.com/community/CompilingEasyHowTo
sudo checkinstall << which puts the program in the package manager for clean, easy removal later. This replaces the old sudo make install command.

# gdal

# las-perf
git clone https://github.com/hobu/laz-perf.git \
cd laz-perf \
mkdir build \
cd build \

glw

import geopandas as gpd
import psycopg2
# import psycopg2.extras

# If you want to use yaml create a config file
import yaml

# yaml config file load
config = yaml.safe_load(open("config.yaml"))

glw

find ./ -name 'G0*' -type f -exec cp -t /media/sf_Z_DRIVE/fpcc-trails/trails-2021/ --force --backup=t '{}' +

glw

find /path/to/directory/ -type f -print0 | awk -F/ 'BEGIN { RS="\0" } { n=$NF } k[n]==1 { print p[n]; } k[n] { print $0 } { p[n]=$0; k[n]++ }' > duplicate_files.txt
source: https://unix.stackexchange.com/a/468461/363004

glw

source: https://towardsdatascience.com/jupyter-notebooks-i-getting-started-with-jupyter-notebooks-f529449797d2

This way of installing Jupyter Lab allows you to install it once and any virtual env has access to Jupyter through ipykernel.

1. Install pyenv (w/ virtualenv)
2. Install a new version of python pyenv install <a new python version>
3. Set a global version of python pyenv global <new python version>
4. Install pipx

Once the above are installaed.

glw

# Create CSV from a list of files in a given directory. It is the companion file of export_photos.py. It doesnt take into account multiple photos associated with the same ID. Meant to be used with "export_photos.py"

import csv
import os
import argparse
import itertools

parser = argparse.ArgumentParser()
parser.add_argument('-i','--input folder', type=str, required=True, help='path location of images')
parser.add_argument('-o','--output folder', type=str, help='path location for csv output, leave blank if same as input.')

glw

# 1. Open excel file
# 2. Make sure there is a column of file paths to files. Eg. C://directory1/direcotry1/image01.jpg
# 3. Make sure the column to the right of the file paths is open for the images to be inserted.
# 4. Go to Developer > Visual Basic. A new window will open. In the right hand menu under "Microsoft Excel Objects", right click the 
# sheet name you are working with (eg. "Sheet1"). Right click it > Insert > Module.
# 5. A New window will pop up for your code. Copy and past the code below into the window and Run.
# 6. It will prompt you to select the entire column and rows containing the file path to the images. Select it and click ok.

Sub InsertPicFromFile()
    Dim xRg As Range

glw

sudo add-apt-repository -y ppa:ubuntugis/ubuntugis-unstable
sudo sh -c 'echo "deb https://qgis.org/ubuntugis-ltr xenial main" >> /etc/apt/sources.list'  
sudo sh -c 'echo "deb-src https://qgis.org/ubuntugis-ltr xenial main " >> /etc/apt/sources.list'  
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-key 51F523511C7028C3
sudo apt-get update
sudo apt-get install -y qgis qgis-plugin-grass 

glw

Run PDAL on docker

docker run -it --rm -v $(pwd):/data pdal/pdal pdal pipeline /path/to/json/file/simple_crop.json

Simple_crop.json - using WKT point location and a distance of 50ft

{
  "pipeline":[
    "path/to/original/las/file/lidar.las",