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<h1>3D models from tables</h1>
<small class="dont-index">Source: <a href="https://github.com/ryantimpe/brickr/blob/master/vignettes/models-from-tables.Rmd"><code>vignettes/models-from-tables.Rmd</code></a></small>
<div class="hidden name"><code>models-from-tables.Rmd</code></div>
</div>
<div id="getting-started" class="section level2">
<h2 class="hasAnchor">
<a href="#getting-started" class="anchor"></a>Getting started</h2>
<p>The <code>bricks_from_*</code> series of functions creates 3D models of LEGO bricks from a variety of input formats. These models are rendered using <a href="https://twitter.com/tylermorganwall">Tyler Morgan-Wall</a>’s <a href="https://www.rayshader.com/">rayshader</a> package. This package must be installed.</p>
<p><code><a href="../reference/bricks_from_table.html">bricks_from_table()</a></code> converts a matrix-shaped table of integers into LEGO bricks, where most columns are x-coordinates, rows are y-coordinates, and a special <code>Level</code> column denotes the elevation of the row. For simple models, this table can be made manually using <code><a href="https://www.rdocumentation.org/packages/base/topics/data.frame">data.frame()</a></code> or <code><a href="https://tibble.tidyverse.org/reference/tribble.html">tibble::tribble()</a></code>.</p>
<p>For more advanced models, it’s recommended you use MS Excel or a .csv file. <code><a href="../reference/bricks_from_excel.html">bricks_from_excel()</a></code> is a wrapper function to more easily build models designed using a Microsoft Excel template. Please see this repo: <a href="https://github.com/ryantimpe/brickr_toybox">brickr toybox</a>.</p>
<p>Pass the output of any <code>bricks_from_*()</code> function to <code><a href="../reference/build_bricks.html">build_bricks()</a></code> to render it as a 3D model.</p>
</div>
<div id="individual-bricks" class="section level2">
<h2 class="hasAnchor">
<a href="#individual-bricks" class="anchor"></a>Individual bricks</h2>
<p>Create a single 2x4 brick with a 2x4 data frame, with an additional column to specify the ‘Level’. These can be letters or numbers.</p>
<div class="sourceCode" id="cb1"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb1-1" title="1"><span class="co">#This is a 2 (columns) x 4 (rows) brick</span></a>
<a class="sourceLine" id="cb1-2" title="2">(brick &lt;-<span class="st"> </span><span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/data.frame">data.frame</a></span>(</a>
<a class="sourceLine" id="cb1-3" title="3"> <span class="dt">Level=</span><span class="st">"A"</span>,</a>
<a class="sourceLine" id="cb1-4" title="4"> <span class="dt">X1 =</span> <span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/rep">rep</a></span>(<span class="dv">3</span>,<span class="dv">4</span>), <span class="co">#The number 3 is the brickrID for 'bright red'</span></a>
<a class="sourceLine" id="cb1-5" title="5"> <span class="dt">X2 =</span> <span class="kw"><a href="https://www.rdocumentation.org/packages/base/topics/rep">rep</a></span>(<span class="dv">3</span>,<span class="dv">4</span>)</a>
<a class="sourceLine" id="cb1-6" title="6">))</a>
<a class="sourceLine" id="cb1-7" title="7"><span class="co">#&gt; Level X1 X2</span></a>
<a class="sourceLine" id="cb1-8" title="8"><span class="co">#&gt; 1 A 3 3</span></a>
<a class="sourceLine" id="cb1-9" title="9"><span class="co">#&gt; 2 A 3 3</span></a>
<a class="sourceLine" id="cb1-10" title="10"><span class="co">#&gt; 3 A 3 3</span></a>
<a class="sourceLine" id="cb1-11" title="11"><span class="co">#&gt; 4 A 3 3</span></a>
<a class="sourceLine" id="cb1-12" title="12"></a>
<a class="sourceLine" id="cb1-13" title="13">brick <span class="op">%&gt;%</span><span class="st"> </span></a>
<a class="sourceLine" id="cb1-14" title="14"><span class="st"> </span><span class="kw"><a href="../reference/bricks_from_table.html">bricks_from_table</a></span>() <span class="op">%&gt;%</span><span class="st"> </span></a>
<a class="sourceLine" id="cb1-15" title="15"><span class="st"> </span><span class="kw"><a href="../reference/build_bricks.html">build_bricks</a></span>(<span class="dt">brick_res =</span> <span class="st">"hd"</span>) <span class="co">#Bricks available in standard def, high def, and ultra hd. </span></a>
<a class="sourceLine" id="cb1-16" title="16"></a>
<a class="sourceLine" id="cb1-17" title="17">rayshader<span class="op">::</span><span class="kw"><a href="https://www.rdocumentation.org/packages/rayshader/topics/render_snapshot">render_snapshot</a></span>( <span class="dt">clear =</span> <span class="ot">TRUE</span>)</a></code></pre></div>
<p><img src="models-from-tables_files/figure-html/bricks_1-1.png" width="288"></p>
<p>Stack many bricks by changing the ‘Level’ value in the data frame. The script below uses <code><a href="https://purrr.tidyverse.org/reference/map.html">purrr::map_df()</a></code> to avoid copying and pasting. Changing the numeric values inside the data frame for each level creates different colors.</p>
<div class="sourceCode" id="cb2"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb2-1" title="1"><span class="dv">1</span><span class="op">:</span><span class="dv">10</span> <span class="op">%&gt;%</span><span class="st"> </span></a>
<a class="sourceLine" id="cb2-2" title="2"><span class="st"> </span>purrr<span class="op">::</span><span class="kw"><a href="https://purrr.tidyverse.org/reference/map.html">map_df</a></span>(<span class="op">~</span>dplyr<span class="op">::</span><span class="kw"><a href="https://dplyr.tidyverse.org/reference/mutate.html">mutate</a></span>(brick,</a>
<a class="sourceLine" id="cb2-3" title="3"> <span class="dt">Level =</span> LETTERS[.x], </a>
<a class="sourceLine" id="cb2-4" title="4"> <span class="dt">X1 =</span> .x,</a>
<a class="sourceLine" id="cb2-5" title="5"> <span class="dt">X2 =</span> .x)) <span class="op">%&gt;%</span><span class="st"> </span></a>
<a class="sourceLine" id="cb2-6" title="6"><span class="st"> </span><span class="kw"><a href="../reference/bricks_from_table.html">bricks_from_table</a></span>() <span class="op">%&gt;%</span><span class="st"> </span></a>
<a class="sourceLine" id="cb2-7" title="7"><span class="st"> </span><span class="kw"><a href="../reference/build_bricks.html">build_bricks</a></span>(<span class="dt">brick_res =</span> <span class="st">"hd"</span>)</a>
<a class="sourceLine" id="cb2-8" title="8"></a>
<a class="sourceLine" id="cb2-9" title="9">rayshader<span class="op">::</span><span class="kw"><a href="https://www.rdocumentation.org/packages/rayshader/topics/render_snapshot">render_snapshot</a></span>( <span class="dt">clear =</span> <span class="ot">TRUE</span>)</a></code></pre></div>
<p><img src="models-from-tables_files/figure-html/bricks_2-1.png" width="288"></p>
</div>
<div id="full-models" class="section level2">
<h2 class="hasAnchor">
<a href="#full-models" class="anchor"></a>Full models</h2>
<p>The most direct way to create a 3D model is to manually create a data frame. Below, we create a data frame using <code><a href="https://tibble.tidyverse.org/reference/tribble.html">tibble::tribble()</a></code> so we can more easily see the structure as it’s written.</p>
<p>The data frame has 3 numbers as input (values of 0 are void spaces in the model). Rather than use the default brickr colors for the values of 1, 2, and 3, we define another data frame ‘brick_colors’</p>
<div class="sourceCode" id="cb3"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb3-1" title="1">tree_or_mushroom &lt;-<span class="st"> </span>tibble<span class="op">::</span><span class="kw"><a href="https://tibble.tidyverse.org/reference/tribble.html">tribble</a></span>(</a>
<a class="sourceLine" id="cb3-2" title="2"> <span class="op">~</span>Level, <span class="op">~</span>X1, <span class="op">~</span>X2, <span class="op">~</span>X3, <span class="op">~</span>X4, <span class="op">~</span>X5, <span class="op">~</span>X6,</a>
<a class="sourceLine" id="cb3-3" title="3"> <span class="st">"A"</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, </a>
<a class="sourceLine" id="cb3-4" title="4"> <span class="st">"A"</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, </a>
<a class="sourceLine" id="cb3-5" title="5"> <span class="st">"A"</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, </a>
<a class="sourceLine" id="cb3-6" title="6"> <span class="st">"A"</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">1</span>, </a>
<a class="sourceLine" id="cb3-7" title="7"> <span class="st">"B"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, </a>
<a class="sourceLine" id="cb3-8" title="8"> <span class="st">"B"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">2</span>, <span class="dv">2</span>, <span class="dv">0</span>, <span class="dv">0</span>,</a>
<a class="sourceLine" id="cb3-9" title="9"> <span class="st">"B"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">2</span>, <span class="dv">2</span>, <span class="dv">0</span>, <span class="dv">0</span>, </a>
<a class="sourceLine" id="cb3-10" title="10"> <span class="st">"B"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, </a>
<a class="sourceLine" id="cb3-11" title="11"> <span class="st">"C"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, </a>
<a class="sourceLine" id="cb3-12" title="12"> <span class="st">"C"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">2</span>, <span class="dv">2</span>, <span class="dv">0</span>, <span class="dv">0</span>,</a>
<a class="sourceLine" id="cb3-13" title="13"> <span class="st">"C"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">2</span>, <span class="dv">2</span>, <span class="dv">0</span>, <span class="dv">0</span>, </a>
<a class="sourceLine" id="cb3-14" title="14"> <span class="st">"C"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, </a>
<a class="sourceLine" id="cb3-15" title="15"> <span class="st">"D"</span>, <span class="dv">0</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">0</span>, </a>
<a class="sourceLine" id="cb3-16" title="16"> <span class="st">"D"</span>, <span class="dv">0</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">0</span>,</a>
<a class="sourceLine" id="cb3-17" title="17"> <span class="st">"D"</span>, <span class="dv">0</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">0</span>, </a>
<a class="sourceLine" id="cb3-18" title="18"> <span class="st">"D"</span>, <span class="dv">0</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">0</span>,</a>
<a class="sourceLine" id="cb3-19" title="19"> <span class="st">"E"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">0</span>, <span class="dv">0</span>, </a>
<a class="sourceLine" id="cb3-20" title="20"> <span class="st">"E"</span>, <span class="dv">0</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">0</span>,</a>
<a class="sourceLine" id="cb3-21" title="21"> <span class="st">"E"</span>, <span class="dv">0</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">0</span>, </a>
<a class="sourceLine" id="cb3-22" title="22"> <span class="st">"E"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">0</span>, <span class="dv">0</span>,</a>
<a class="sourceLine" id="cb3-23" title="23"> <span class="st">"F"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, </a>
<a class="sourceLine" id="cb3-24" title="24"> <span class="st">"F"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">0</span>, <span class="dv">0</span>,</a>
<a class="sourceLine" id="cb3-25" title="25"> <span class="st">"F"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">3</span>, <span class="dv">3</span>, <span class="dv">0</span>, <span class="dv">0</span>, </a>
<a class="sourceLine" id="cb3-26" title="26"> <span class="st">"F"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>,</a>
<a class="sourceLine" id="cb3-27" title="27"> <span class="st">"G"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, </a>
<a class="sourceLine" id="cb3-28" title="28"> <span class="st">"G"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">3</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>,</a>
<a class="sourceLine" id="cb3-29" title="29"> <span class="st">"G"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">3</span>, <span class="dv">0</span>, <span class="dv">0</span>, </a>
<a class="sourceLine" id="cb3-30" title="30"> <span class="st">"G"</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span></a>
<a class="sourceLine" id="cb3-31" title="31">)</a>
<a class="sourceLine" id="cb3-32" title="32"></a>
<a class="sourceLine" id="cb3-33" title="33">brick_colors &lt;-<span class="st"> </span>tibble<span class="op">::</span><span class="kw"><a href="https://tibble.tidyverse.org/reference/tribble.html">tribble</a></span>(</a>
<a class="sourceLine" id="cb3-34" title="34"> <span class="op">~</span><span class="st">`</span><span class="dt">.value</span><span class="st">`</span>, <span class="op">~</span>Color,</a>
<a class="sourceLine" id="cb3-35" title="35"> <span class="dv">1</span>, <span class="st">"Bright green"</span>,</a>
<a class="sourceLine" id="cb3-36" title="36"> <span class="dv">2</span>, <span class="st">"Dark orange"</span>,</a>
<a class="sourceLine" id="cb3-37" title="37"> <span class="dv">3</span>, <span class="st">"Dark green"</span></a>
<a class="sourceLine" id="cb3-38" title="38">)</a>
<a class="sourceLine" id="cb3-39" title="39"> </a>
<a class="sourceLine" id="cb3-40" title="40">tree_or_mushroom <span class="op">%&gt;%</span><span class="st"> </span></a>
<a class="sourceLine" id="cb3-41" title="41"><span class="st"> </span><span class="kw"><a href="../reference/bricks_from_table.html">bricks_from_table</a></span>(brick_colors) <span class="op">%&gt;%</span><span class="st"> </span></a>
<a class="sourceLine" id="cb3-42" title="42"><span class="st"> </span><span class="kw"><a href="../reference/build_bricks.html">build_bricks</a></span>(<span class="dt">theta =</span> <span class="dv">210</span>, <span class="dt">phi =</span> <span class="dv">20</span>, <span class="dt">brick_res =</span> <span class="st">"hd"</span>)</a>
<a class="sourceLine" id="cb3-43" title="43"></a>
<a class="sourceLine" id="cb3-44" title="44">rayshader<span class="op">::</span><span class="kw"><a href="https://www.rdocumentation.org/packages/rayshader/topics/render_snapshot">render_snapshot</a></span>(<span class="dt">clear =</span> <span class="ot">TRUE</span>)</a></code></pre></div>
<p><img src="models-from-tables_files/figure-html/bricks_5-1.png" width="384"></p>
<div id="plates-instead-of-bricks" class="section level3">
<h3 class="hasAnchor">
<a href="#plates-instead-of-bricks" class="anchor"></a>Plates instead of bricks</h3>
<p>That’s clearly a tree, right? Why is the data frame called ‘tree_or_mushroom’?</p>
<p>Use the input ‘brick_type=“plate”’ to render the 3D model using LEGO plates rather than bricks, which are 1/3 as tall.</p>
<div class="sourceCode" id="cb4"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb4-1" title="1">brick_colors &lt;-<span class="st"> </span>tibble<span class="op">::</span><span class="kw"><a href="https://tibble.tidyverse.org/reference/tribble.html">tribble</a></span>(</a>
<a class="sourceLine" id="cb4-2" title="2"> <span class="op">~</span><span class="st">`</span><span class="dt">.value</span><span class="st">`</span>, <span class="op">~</span>Color,</a>
<a class="sourceLine" id="cb4-3" title="3"> <span class="dv">1</span>, <span class="st">"Dark green"</span>,</a>
<a class="sourceLine" id="cb4-4" title="4"> <span class="dv">2</span>, <span class="st">"Light nougat"</span>,</a>
<a class="sourceLine" id="cb4-5" title="5"> <span class="dv">3</span>, <span class="st">"Bright red"</span></a>
<a class="sourceLine" id="cb4-6" title="6">)</a>
<a class="sourceLine" id="cb4-7" title="7"> </a>
<a class="sourceLine" id="cb4-8" title="8">tree_or_mushroom <span class="op">%&gt;%</span><span class="st"> </span></a>
<a class="sourceLine" id="cb4-9" title="9"><span class="st"> </span><span class="kw"><a href="../reference/bricks_from_table.html">bricks_from_table</a></span>(brick_colors) <span class="op">%&gt;%</span><span class="st"> </span></a>
<a class="sourceLine" id="cb4-10" title="10"><span class="st"> </span><span class="kw"><a href="../reference/build_bricks.html">build_bricks</a></span>(<span class="dt">theta =</span> <span class="dv">210</span>, <span class="dt">phi =</span> <span class="dv">10</span>, <span class="dt">brick_res =</span> <span class="st">"hd"</span>, <span class="dt">brick_type=</span><span class="st">"plate"</span>)</a>
<a class="sourceLine" id="cb4-11" title="11"></a>
<a class="sourceLine" id="cb4-12" title="12">rayshader<span class="op">::</span><span class="kw"><a href="https://www.rdocumentation.org/packages/rayshader/topics/render_snapshot">render_snapshot</a></span>(<span class="dt">clear =</span> <span class="ot">TRUE</span>)</a></code></pre></div>
<p><img src="models-from-tables_files/figure-html/bricks_5a-1.png" width="384"></p>
</div>
</div>
<div id="bricks-from-excel" class="section level2">
<h2 class="hasAnchor">
<a href="#bricks-from-excel" class="anchor"></a>Bricks from Excel</h2>
<p>When designing larger models, it is much easier to use a spreadsheet program to lay out the bricks for each level.</p>
<p>See <a href="https://github.com/ryantimpe/brickr_toybox">the brickr toybox</a> GitHub repo for some examples and templates.</p>
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<h2 class="hasAnchor">
<a href="#tocnav" class="anchor"></a>Contents</h2>
<ul class="nav nav-pills nav-stacked">
<li><a href="#getting-started">Getting started</a></li>
<li><a href="#individual-bricks">Individual bricks</a></li>
<li><a href="#full-models">Full models</a></li>
<li><a href="#bricks-from-excel">Bricks from Excel</a></li>
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