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<section id="quickstart">
<span id="id1"></span><h1>Quickstart<a class="headerlink" href="#quickstart" title="Permalink to this heading"></a></h1>
<section id="introduction">
<span id="index-0"></span><h2>Introduction<a class="headerlink" href="#introduction" title="Permalink to this heading"></a></h2>
<p>The quickest way to start using PDAL is to leverage builds that were
constructed by the PDAL development team using <a class="reference external" href="https://conda.io/docs/">Conda</a>.</p>
<p>Directly from the Conda front page,</p>
<blockquote>
<div><p><em>Conda is an open source package management system and environment
management system that runs on Windows, macOS and Linux. Conda quickly
installs, runs and updates packages and their dependencies. Conda easily
creates, saves, loads and switches between environments on your local
computer.</em></p>
</div></blockquote>
<p>This exercise will print the first point of an <a class="reference internal" href="stages/readers.las.html#readers-las"><span class="std std-ref">ASPRS LAS</span></a>
file. It will utilize the PDAL <a class="reference internal" href="apps/index.html#apps"><span class="std std-ref">command line application</span></a> to
inspect the file.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>If you need to compile your own copy of PDAL, see <a class="reference internal" href="development/compilation/index.html#building"><span class="std std-ref">Compilation</span></a> for
more details.</p>
</div>
</section>
<section id="install-conda">
<h2>Install Conda<a class="headerlink" href="#install-conda" title="Permalink to this heading"></a></h2>
<p>Conda installation instructions can be found at the following links. Read
through them a bit for your platform so you have an idea what to expect.</p>
<ul class="simple">
<li><p><a class="reference external" href="https://conda.io/projects/conda/en/latest/user-guide/install/windows.html">Windows</a></p></li>
<li><p><a class="reference external" href="https://conda.io/projects/conda/en/latest/user-guide/install/macos.html">macOS</a></p></li>
<li><p><a class="reference external" href="https://conda.io/projects/conda/en/latest/user-guide/install/linux.html">Linux</a></p></li>
</ul>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>We will assume you are running on Windows, but the same commands should
work in macOS or Linux too – though definition of file paths might provide
a significant difference.</p>
</div>
<section id="run-conda">
<h3>Run Conda<a class="headerlink" href="#run-conda" title="Permalink to this heading"></a></h3>
<p>On macOS and Linux, all Conda commands are typed into a terminal window. On
Windows, commands are typed into the Anaconda Prompt window. Instructions can
be found in the Conda <a class="reference external" href="https://conda.io/projects/conda/en/latest/user-guide/getting-started.html#starting-conda">Getting Started</a> guide.</p>
</section>
<section id="test-installation">
<h3>Test Installation<a class="headerlink" href="#test-installation" title="Permalink to this heading"></a></h3>
<p>To test your installation, simply run the command <code class="docutils literal notranslate"><span class="pre">conda</span> <span class="pre">list</span></code> from your
terminal window or the Anaconda Prompt. A list of installed packages should
appear.</p>
</section>
<section id="install-the-pdal-package">
<h3>Install the PDAL Package<a class="headerlink" href="#install-the-pdal-package" title="Permalink to this heading"></a></h3>
<p>A PDAL package based on the latest release, including all recent patches, is
pushed to the <a class="reference external" href="https://anaconda.org/conda-forge/pdal">conda-forge</a> channel on anaconda.org with every code change on
the PDAL maintenance branch.</p>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>It is a good idea to install PDAL in it’s own environment (or
add it to an existing one). You will <strong>NOT</strong> want to add it to your default
environment named <code class="docutils literal notranslate"><span class="pre">base</span></code>. Managing environments is beyond the scope of
the quickstart, but you can read more about it <a class="reference external" href="https://conda.io/projects/conda/en/latest/user-guide/getting-started.html#managing-envs">here</a>.</p>
</div>
<p>To install the PDAL package so that we can use it to run PDAL commands, we run
the following command to create an environment named <code class="docutils literal notranslate"><span class="pre">myenv</span></code>, installing PDAL
from the <code class="docutils literal notranslate"><span class="pre">conda-forge</span></code> channel.</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">conda</span> <span class="n">create</span> <span class="o">--</span><span class="n">yes</span> <span class="o">--</span><span class="n">name</span> <span class="n">myenv</span> <span class="o">--</span><span class="n">channel</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="n">pdal</span>
</pre></div>
</div>
<p>Depending on what packages you may or may not have already installed, the
output should look something like:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">Solving</span> <span class="n">environment</span><span class="p">:</span> <span class="n">done</span>
<span class="c1">## Package Plan ##</span>
<span class="n">environment</span> <span class="n">location</span><span class="p">:</span> <span class="n">C</span><span class="p">:</span>\<span class="n">Miniconda3</span>\<span class="n">envs</span>\<span class="n">myenv</span>
<span class="n">added</span> <span class="o">/</span> <span class="n">updated</span> <span class="n">specs</span><span class="p">:</span>
<span class="o">-</span> <span class="n">pdal</span>
<span class="n">The</span> <span class="n">following</span> <span class="n">packages</span> <span class="n">will</span> <span class="n">be</span> <span class="n">downloaded</span><span class="p">:</span>
<span class="n">package</span> <span class="o">|</span> <span class="n">build</span>
<span class="o">---------------------------|-----------------</span>
<span class="n">pdal</span><span class="o">-</span><span class="mf">1.7.2</span> <span class="o">|</span> <span class="n">py35h33f895e_1</span> <span class="mf">8.6</span> <span class="n">MB</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">setuptools</span><span class="o">-</span><span class="mf">39.2.0</span> <span class="o">|</span> <span class="n">py35_0</span> <span class="mi">591</span> <span class="n">KB</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">numpy</span><span class="o">-</span><span class="mf">1.14.3</span> <span class="o">|</span> <span class="n">py35h9fa60d3_2</span> <span class="mi">42</span> <span class="n">KB</span>
<span class="o">------------------------------------------------------------</span>
<span class="n">Total</span><span class="p">:</span> <span class="mf">9.2</span> <span class="n">MB</span>
<span class="n">The</span> <span class="n">following</span> <span class="n">NEW</span> <span class="n">packages</span> <span class="n">will</span> <span class="n">be</span> <span class="n">INSTALLED</span><span class="p">:</span>
<span class="n">boost</span><span class="p">:</span> <span class="mf">1.66.0</span><span class="o">-</span><span class="n">py35_vc14_1</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">boost</span><span class="o">-</span><span class="n">cpp</span><span class="p">:</span> <span class="mf">1.66.0</span><span class="o">-</span><span class="n">vc14_1</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">ca</span><span class="o">-</span><span class="n">certificates</span><span class="p">:</span> <span class="mf">2018.4.16</span><span class="o">-</span><span class="mi">0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">cairo</span><span class="p">:</span> <span class="mf">1.14.10</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">certifi</span><span class="p">:</span> <span class="mf">2018.4.16</span><span class="o">-</span><span class="n">py35_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">curl</span><span class="p">:</span> <span class="mf">7.60.0</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">expat</span><span class="p">:</span> <span class="mf">2.2.5</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">flann</span><span class="p">:</span> <span class="mf">1.9.1</span><span class="o">-</span><span class="n">h0953f56_2</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">freexl</span><span class="p">:</span> <span class="mf">1.0.5</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">geotiff</span><span class="p">:</span> <span class="mf">1.4.2</span><span class="o">-</span><span class="n">vc14_1</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">hdf4</span><span class="p">:</span> <span class="mf">4.2.13</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">hdf5</span><span class="p">:</span> <span class="mf">1.10.1</span><span class="o">-</span><span class="n">vc14_2</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">hexer</span><span class="p">:</span> <span class="mf">1.4.0</span><span class="o">-</span><span class="n">vc14_1</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">icc_rt</span><span class="p">:</span> <span class="mf">2017.0.4</span><span class="o">-</span><span class="n">h97af966_0</span>
<span class="n">icu</span><span class="p">:</span> <span class="mf">58.2</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">intel</span><span class="o">-</span><span class="n">openmp</span><span class="p">:</span> <span class="mf">2018.0.3</span><span class="o">-</span><span class="mi">0</span>
<span class="n">jpeg</span><span class="p">:</span> <span class="mi">9</span><span class="n">b</span><span class="o">-</span><span class="n">vc14_2</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">kealib</span><span class="p">:</span> <span class="mf">1.4.7</span><span class="o">-</span><span class="n">vc14_4</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">krb5</span><span class="p">:</span> <span class="mf">1.14.6</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">laszip</span><span class="p">:</span> <span class="mf">3.2.2</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">laz</span><span class="o">-</span><span class="n">perf</span><span class="p">:</span> <span class="mf">1.2.0</span><span class="o">-</span><span class="n">vc14_1</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">libgdal</span><span class="p">:</span> <span class="mf">2.2.4</span><span class="o">-</span><span class="n">vc14_4</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">libiconv</span><span class="p">:</span> <span class="mf">1.15</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">libnetcdf</span><span class="p">:</span> <span class="mf">4.6.1</span><span class="o">-</span><span class="n">vc14_2</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">libpng</span><span class="p">:</span> <span class="mf">1.6.34</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">libpq</span><span class="p">:</span> <span class="mf">9.6.3</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">libspatialite</span><span class="p">:</span> <span class="mf">4.3.0</span><span class="n">a</span><span class="o">-</span><span class="n">vc14_19</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">libssh2</span><span class="p">:</span> <span class="mf">1.8.0</span><span class="o">-</span><span class="n">vc14_2</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">libtiff</span><span class="p">:</span> <span class="mf">4.0.9</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">libxml2</span><span class="p">:</span> <span class="mf">2.9.8</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">libxslt</span><span class="p">:</span> <span class="mf">1.1.32</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">mkl</span><span class="p">:</span> <span class="mf">2018.0.3</span><span class="o">-</span><span class="mi">1</span>
<span class="n">mkl_fft</span><span class="p">:</span> <span class="mf">1.0.2</span><span class="o">-</span><span class="n">py35_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">mkl_random</span><span class="p">:</span> <span class="mf">1.0.1</span><span class="o">-</span><span class="n">py35_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">nitro</span><span class="p">:</span> <span class="mf">2.7</span><span class="o">.</span><span class="n">dev2</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">numpy</span><span class="p">:</span> <span class="mf">1.14.3</span><span class="o">-</span><span class="n">py35h9fa60d3_2</span>
<span class="n">numpy</span><span class="o">-</span><span class="n">base</span><span class="p">:</span> <span class="mf">1.14.3</span><span class="o">-</span><span class="n">py35h5c71026_0</span>
<span class="n">openjpeg</span><span class="p">:</span> <span class="mf">2.3.0</span><span class="o">-</span><span class="n">vc14_2</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">openssl</span><span class="p">:</span> <span class="mf">1.0.2</span><span class="n">o</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">pcl</span><span class="p">:</span> <span class="mf">1.8.1</span><span class="o">-</span><span class="n">hd76163c_1</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">pdal</span><span class="p">:</span> <span class="mf">1.7.2</span><span class="o">-</span><span class="n">py35h33f895e_1</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">pip</span><span class="p">:</span> <span class="mf">9.0.3</span><span class="o">-</span><span class="n">py35_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">pixman</span><span class="p">:</span> <span class="mf">0.34.0</span><span class="o">-</span><span class="n">vc14_2</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">postgresql</span><span class="p">:</span> <span class="mf">10.3</span><span class="o">-</span><span class="n">py35_vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">proj4</span><span class="p">:</span> <span class="mf">4.9.3</span><span class="o">-</span><span class="n">vc14_5</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">python</span><span class="p">:</span> <span class="mf">3.5.5</span><span class="o">-</span><span class="mi">1</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">setuptools</span><span class="p">:</span> <span class="mf">39.2.0</span><span class="o">-</span><span class="n">py35_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">sqlite</span><span class="p">:</span> <span class="mf">3.20.1</span><span class="o">-</span><span class="n">vc14_2</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">tiledb</span><span class="p">:</span> <span class="mf">1.4.1</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">vc</span><span class="p">:</span> <span class="mi">14</span><span class="o">-</span><span class="mi">0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">vs2015_runtime</span><span class="p">:</span> <span class="mf">14.0.25420</span><span class="o">-</span><span class="mi">0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">wheel</span><span class="p">:</span> <span class="mf">0.31.0</span><span class="o">-</span><span class="n">py35_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">wincertstore</span><span class="p">:</span> <span class="mf">0.2</span><span class="o">-</span><span class="n">py35_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">xerces</span><span class="o">-</span><span class="n">c</span><span class="p">:</span> <span class="mf">3.2.0</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">xz</span><span class="p">:</span> <span class="mf">5.2.3</span><span class="o">-</span><span class="mi">0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span>
<span class="n">zlib</span><span class="p">:</span> <span class="mf">1.2.11</span><span class="o">-</span><span class="n">vc14_0</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="p">[</span><span class="n">vc14</span><span class="p">]</span>
<span class="n">Downloading</span> <span class="ow">and</span> <span class="n">Extracting</span> <span class="n">Packages</span>
<span class="n">pdal</span><span class="o">-</span><span class="mf">1.7.2</span> <span class="o">|</span> <span class="mf">8.6</span> <span class="n">MB</span> <span class="o">|</span> <span class="c1">###################################### | 100%</span>
<span class="n">setuptools</span><span class="o">-</span><span class="mf">39.2.0</span> <span class="o">|</span> <span class="mi">591</span> <span class="n">KB</span> <span class="o">|</span> <span class="c1">###################################### | 100%</span>
<span class="n">numpy</span><span class="o">-</span><span class="mf">1.14.3</span> <span class="o">|</span> <span class="mi">42</span> <span class="n">KB</span> <span class="o">|</span> <span class="c1">###################################### | 100%</span>
<span class="n">Preparing</span> <span class="n">transaction</span><span class="p">:</span> <span class="n">done</span>
<span class="n">Verifying</span> <span class="n">transaction</span><span class="p">:</span> <span class="n">done</span>
<span class="n">Executing</span> <span class="n">transaction</span><span class="p">:</span> <span class="n">done</span>
<span class="c1">#</span>
<span class="c1"># To activate this environment, use</span>
<span class="c1">#</span>
<span class="c1"># $ conda activate myenv</span>
<span class="c1">#</span>
<span class="c1"># To deactivate an active environment, use</span>
<span class="c1">#</span>
<span class="c1"># $ conda deactivate</span>
</pre></div>
</div>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>PDAL’s Python extension is managed separately from the PDAL package. To
install it, replace <code class="docutils literal notranslate"><span class="pre">pdal</span></code> with <code class="docutils literal notranslate"><span class="pre">python-pdal</span></code> in any of the commands in
this section. Seeing as how PDAL is a dependency of the Python extension,
you will actually get two for the price of one!</p>
</div>
<p>To install PDAL to an existing environment names <code class="docutils literal notranslate"><span class="pre">myenv</span></code>, we would run the
following command.</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">conda</span> <span class="n">install</span> <span class="o">--</span><span class="n">name</span> <span class="n">myenv</span> <span class="o">--</span><span class="n">channel</span> <span class="n">conda</span><span class="o">-</span><span class="n">forge</span> <span class="n">pdal</span>
</pre></div>
</div>
<p>Finally, to update PDAL to the latest version, run the following.</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">conda</span> <span class="n">update</span> <span class="n">pdal</span>
</pre></div>
</div>
</section>
</section>
<section id="fetch-sample-data">
<h2>Fetch Sample Data<a class="headerlink" href="#fetch-sample-data" title="Permalink to this heading"></a></h2>
<p>We need some sample data to play with, so we’re going to download the
<code class="docutils literal notranslate"><span class="pre">autzen.laz</span></code> file. Inside your terminal (assuming Windows), issue the
following command:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">explorer</span><span class="o">.</span><span class="n">exe</span> <span class="n">https</span><span class="p">:</span><span class="o">//</span><span class="n">github</span><span class="o">.</span><span class="n">com</span><span class="o">/</span><span class="n">PDAL</span><span class="o">/</span><span class="n">data</span><span class="o">/</span><span class="n">raw</span><span class="o">/</span><span class="n">master</span><span class="o">/</span><span class="n">autzen</span><span class="o">/</span><span class="n">autzen</span><span class="o">.</span><span class="n">laz</span>
</pre></div>
</div>
<p>In the download dialog, save the file to your <code class="docutils literal notranslate"><span class="pre">Downloads</span></code> folder, e.g.,
<code class="docutils literal notranslate"><span class="pre">C:\Users\hobu\Downloads</span></code>.</p>
</section>
<section id="print-the-first-point">
<h2>Print the first point<a class="headerlink" href="#print-the-first-point" title="Permalink to this heading"></a></h2>
<p>To print the first point only, issue the following command (replacing of course
<code class="docutils literal notranslate"><span class="pre">hobu</span></code> with your user name, or another path altogether, depending on where
you saved the file).</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">pdal</span> <span class="n">info</span> <span class="n">C</span><span class="p">:</span>\<span class="n">Users</span>\<span class="n">hobu</span>\<span class="n">Downloads</span>\<span class="n">autzen</span><span class="o">.</span><span class="n">laz</span> <span class="o">-</span><span class="n">p</span> <span class="mi">0</span>
</pre></div>
</div>
<p>Here’s a summary of what’s going on with that command invocation</p>
<ol class="arabic simple">
<li><p><code class="docutils literal notranslate"><span class="pre">pdal</span></code>: We’re going to run the <code class="docutils literal notranslate"><span class="pre">pdal</span></code> command.</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">info</span></code>: We want to run <a class="reference internal" href="apps/info.html#info-command"><span class="std std-ref">info</span></a> on the data.</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">autzen.laz</span></code>: The <code class="docutils literal notranslate"><span class="pre">autzen.laz</span></code> file that we want information from.</p></li>
</ol>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="ne">Warning</span> <span class="mi">1</span><span class="p">:</span> <span class="n">Cannot</span> <span class="n">find</span> <span class="n">datum</span><span class="o">.</span><span class="n">csv</span> <span class="ow">or</span> <span class="n">gdal_datum</span><span class="o">.</span><span class="n">csv</span>
<span class="ne">Warning</span> <span class="mi">1</span><span class="p">:</span> <span class="n">Cannot</span> <span class="n">find</span> <span class="n">ellipsoid</span><span class="o">.</span><span class="n">csv</span>
<span class="p">{</span>
<span class="s2">"filename"</span><span class="p">:</span> <span class="s2">"C:</span><span class="se">\\</span><span class="s2">Users</span><span class="se">\\</span><span class="s2">hobu</span><span class="se">\\</span><span class="s2">Downloads</span><span class="se">\\</span><span class="s2">autzen.laz"</span><span class="p">,</span>
<span class="s2">"pdal_version"</span><span class="p">:</span> <span class="s2">"1.7.2 (git-version: Release)"</span><span class="p">,</span>
<span class="s2">"points"</span><span class="p">:</span>
<span class="p">{</span>
<span class="s2">"point"</span><span class="p">:</span>
<span class="p">{</span>
<span class="s2">"Blue"</span><span class="p">:</span> <span class="mi">93</span><span class="p">,</span>
<span class="s2">"Classification"</span><span class="p">:</span> <span class="mi">1</span><span class="p">,</span>
<span class="s2">"EdgeOfFlightLine"</span><span class="p">:</span> <span class="mi">0</span><span class="p">,</span>
<span class="s2">"GpsTime"</span><span class="p">:</span> <span class="mf">245379.3984</span><span class="p">,</span>
<span class="s2">"Green"</span><span class="p">:</span> <span class="mi">102</span><span class="p">,</span>
<span class="s2">"Intensity"</span><span class="p">:</span> <span class="mi">4</span><span class="p">,</span>
<span class="s2">"NumberOfReturns"</span><span class="p">:</span> <span class="mi">1</span><span class="p">,</span>
<span class="s2">"PointId"</span><span class="p">:</span> <span class="mi">0</span><span class="p">,</span>
<span class="s2">"PointSourceId"</span><span class="p">:</span> <span class="mi">7326</span><span class="p">,</span>
<span class="s2">"Red"</span><span class="p">:</span> <span class="mi">84</span><span class="p">,</span>
<span class="s2">"ReturnNumber"</span><span class="p">:</span> <span class="mi">1</span><span class="p">,</span>
<span class="s2">"ScanAngleRank"</span><span class="p">:</span> <span class="o">-</span><span class="mi">17</span><span class="p">,</span>
<span class="s2">"ScanDirectionFlag"</span><span class="p">:</span> <span class="mi">0</span><span class="p">,</span>
<span class="s2">"UserData"</span><span class="p">:</span> <span class="mi">128</span><span class="p">,</span>
<span class="s2">"X"</span><span class="p">:</span> <span class="mf">637177.98</span><span class="p">,</span>
<span class="s2">"Y"</span><span class="p">:</span> <span class="mf">849393.95</span><span class="p">,</span>
<span class="s2">"Z"</span><span class="p">:</span> <span class="mf">411.19</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span>
</pre></div>
</div>
</section>
<section id="what-s-next">
<h2>What’s next?<a class="headerlink" href="#what-s-next" title="Permalink to this heading"></a></h2>
<ul class="simple">
<li><p>Visit <a class="reference internal" href="apps/index.html#apps"><span class="std std-ref">Applications</span></a> to find out how to utilize PDAL applications to process
data on the command line yourself.</p></li>
<li><p>Visit <a class="reference internal" href="development/index.html#development-index"><span class="std std-ref">Development</span></a> to learn how to embed and use PDAL in your own
applications.</p></li>
<li><p><a class="reference internal" href="stages/readers.html#readers"><span class="std std-ref">Readers</span></a> lists the formats that PDAL can read, <a class="reference internal" href="stages/filters.html#filters"><span class="std std-ref">Filters</span></a> lists the
kinds of operations you can do with PDAL, and <a class="reference internal" href="stages/writers.html#writers"><span class="std std-ref">Writers</span></a> lists the
formats PDAL can write.</p></li>
<li><p><a class="reference internal" href="tutorial/index.html#tutorial"><span class="std std-ref">Tutorials</span></a> contains a number of walk-through tutorials for achieving
many tasks with PDAL.</p></li>
<li><p><a class="reference internal" href="workshop/index.html#workshop"><span class="std std-ref">The PDAL workshop</span></a> contains numerous hands-on examples with screenshots and
example data of how to use PDAL <a class="reference internal" href="apps/index.html#apps"><span class="std std-ref">Applications</span></a> to tackle point cloud data
processing tasks.</p></li>
<li><p><a class="reference internal" href="python.html#python"><span class="std std-ref">Python</span></a> describes how PDAL embeds and extends Python and
how you can leverage these capabilities in your own programs.</p></li>
</ul>
<div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="community.html#community"><span class="std std-ref">Community</span></a> is a good source to reach out to when you’re stuck.</p>
</div>
</section>
</section>
</div>
</div>
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