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<h1 data-toc-skip>3D models from tables</h1>
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<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>
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<div class="hidden name"><code>models-from-tables.Rmd</code></div>
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<div id="getting-started" class="section level2">
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<h2 class="hasAnchor">
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<a href="#getting-started" class="anchor"></a>Getting started</h2>
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<p>The <code>bricks_from_*</code> series of functions creates 3D models of LEGO bricks from a variety of input formats.</p>
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<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://rdrr.io/r/base/data.frame.html">data.frame()</a></code> or <code><a href="https://tibble.tidyverse.org/reference/tribble.html">tibble::tribble()</a></code>.</p>
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<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>
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<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>
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</div>
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<div id="individual-bricks" class="section level2">
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<h2 class="hasAnchor">
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<a href="#individual-bricks" class="anchor"></a>Individual bricks</h2>
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<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>
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<div class="sourceCode" id="cb1"><html><body><pre class="r"><span class="co">#This is a 2 (columns) x 4 (rows) brick</span>
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(<span class="no">brick</span> <span class="kw"><-</span> <span class="fu"><a href="https://rdrr.io/r/base/data.frame.html">data.frame</a></span>(
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<span class="kw">Level</span><span class="kw">=</span><span class="st">"A"</span>,
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<span class="kw">X1</span> <span class="kw">=</span> <span class="fu"><a href="https://rdrr.io/r/base/rep.html">rep</a></span>(<span class="fl">3</span>,<span class="fl">4</span>), <span class="co">#The number 3 is the brickrID for 'bright red'</span>
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<span class="kw">X2</span> <span class="kw">=</span> <span class="fu"><a href="https://rdrr.io/r/base/rep.html">rep</a></span>(<span class="fl">3</span>,<span class="fl">4</span>)
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))
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<span class="co">#> Level X1 X2</span>
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<span class="co">#> 1 A 3 3</span>
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<span class="co">#> 2 A 3 3</span>
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<span class="co">#> 3 A 3 3</span>
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<span class="co">#> 4 A 3 3</span>
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<span class="no">brick</span> <span class="kw">%>%</span>
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<span class="fu"><a href="../reference/bricks_from_table.html">bricks_from_table</a></span>() <span class="kw">%>%</span>
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<span class="fu"><a href="../reference/build_bricks.html">build_bricks</a></span>()
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<span class="kw pkg">rgl</span><span class="kw ns">::</span><span class="fu"><a href="https://rdrr.io/pkg/rgl/man/par3d.html">par3d</a></span>(<span class="kw">userMatrix</span> <span class="kw">=</span> <span class="kw pkg">rgl</span><span class="kw ns">::</span><span class="fu"><a href="https://rdrr.io/pkg/rgl/man/matrices.html">rotate3d</a></span>(<span class="kw pkg">rgl</span><span class="kw ns">::</span><span class="fu"><a href="https://rdrr.io/pkg/rgl/man/par3d.html">par3d</a></span>(<span class="st">"userMatrix"</span>), <span class="fl">1.1</span>*<span class="no">pi</span>/<span class="fl">4</span>, <span class="fl">0</span>, <span class="fl">0</span> ,<span class="fl">1</span>))</pre></body></html></div>
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<p><img src="models-from-tables_files/figure-html/bricks_1-1.png" width="288"></p>
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<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>
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<div class="sourceCode" id="cb2"><html><body><pre class="r"><span class="fl">1</span>:<span class="fl">10</span> <span class="kw">%>%</span>
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<span class="kw pkg">purrr</span><span class="kw ns">::</span><span class="fu"><a href="https://purrr.tidyverse.org/reference/map.html">map_df</a></span>(~<span class="kw pkg">dplyr</span><span class="kw ns">::</span><span class="fu"><a href="https://dplyr.tidyverse.org/reference/mutate.html">mutate</a></span>(<span class="no">brick</span>,
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<span class="kw">Level</span> <span class="kw">=</span> <span class="no">LETTERS</span>[<span class="no">.x</span>],
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<span class="kw">X1</span> <span class="kw">=</span> <span class="no">.x</span>,
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<span class="kw">X2</span> <span class="kw">=</span> <span class="no">.x</span>)) <span class="kw">%>%</span>
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<span class="fu"><a href="../reference/bricks_from_table.html">bricks_from_table</a></span>() <span class="kw">%>%</span>
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<span class="fu"><a href="../reference/build_bricks.html">build_bricks</a></span>(<span class="kw">rgl_lit</span><span class="kw">=</span><span class="fl">FALSE</span>, <span class="kw">outline_bricks</span> <span class="kw">=</span> <span class="fl">TRUE</span>)
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<span class="kw pkg">rgl</span><span class="kw ns">::</span><span class="fu"><a href="https://rdrr.io/pkg/rgl/man/par3d.html">par3d</a></span>(<span class="kw">userMatrix</span> <span class="kw">=</span> <span class="kw pkg">rgl</span><span class="kw ns">::</span><span class="fu"><a href="https://rdrr.io/pkg/rgl/man/matrices.html">rotate3d</a></span>(<span class="kw pkg">rgl</span><span class="kw ns">::</span><span class="fu"><a href="https://rdrr.io/pkg/rgl/man/par3d.html">par3d</a></span>(<span class="st">"userMatrix"</span>), <span class="fl">1.1</span>*<span class="no">pi</span>/<span class="fl">4</span>, <span class="fl">0</span>, <span class="fl">0</span> ,<span class="fl">1</span>))</pre></body></html></div>
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<p><img src="models-from-tables_files/figure-html/bricks_2-1.png" width="288"></p>
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</div>
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<div id="full-models" class="section level2">
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<h2 class="hasAnchor">
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<a href="#full-models" class="anchor"></a>Full models</h2>
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<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>
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<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>
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<div class="sourceCode" id="cb3"><html><body><pre class="r"><span class="no">tree_or_mushroom</span> <span class="kw"><-</span> <span class="kw pkg">tibble</span><span class="kw ns">::</span><span class="fu"><a href="https://tibble.tidyverse.org/reference/tribble.html">tribble</a></span>(
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~<span class="no">Level</span>, ~<span class="no">X1</span>, ~<span class="no">X2</span>, ~<span class="no">X3</span>, ~<span class="no">X4</span>, ~<span class="no">X5</span>, ~<span class="no">X6</span>,
|
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<span class="st">"A"</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>,
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<span class="st">"A"</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>,
|
||
<span class="st">"A"</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>,
|
||
<span class="st">"A"</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>, <span class="fl">1</span>,
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||
<span class="st">"B"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"B"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">2</span>, <span class="fl">2</span>, <span class="fl">0</span>, <span class="fl">0</span>,
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||
<span class="st">"B"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">2</span>, <span class="fl">2</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"B"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"C"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"C"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">2</span>, <span class="fl">2</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"C"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">2</span>, <span class="fl">2</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"C"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"D"</span>, <span class="fl">0</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">0</span>,
|
||
<span class="st">"D"</span>, <span class="fl">0</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">0</span>,
|
||
<span class="st">"D"</span>, <span class="fl">0</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">0</span>,
|
||
<span class="st">"D"</span>, <span class="fl">0</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">0</span>,
|
||
<span class="st">"E"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"E"</span>, <span class="fl">0</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">0</span>,
|
||
<span class="st">"E"</span>, <span class="fl">0</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">0</span>,
|
||
<span class="st">"E"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"F"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"F"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"F"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">3</span>, <span class="fl">3</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"F"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"G"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"G"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">3</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"G"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">3</span>, <span class="fl">0</span>, <span class="fl">0</span>,
|
||
<span class="st">"G"</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>
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||
)
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||
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||
<span class="no">brick_colors</span> <span class="kw"><-</span> <span class="kw pkg">tibble</span><span class="kw ns">::</span><span class="fu"><a href="https://tibble.tidyverse.org/reference/tribble.html">tribble</a></span>(
|
||
~<span class="no">`.value`</span>, ~<span class="no">Color</span>,
|
||
<span class="fl">1</span>, <span class="st">"Bright green"</span>,
|
||
<span class="fl">2</span>, <span class="st">"Dark orange"</span>,
|
||
<span class="fl">3</span>, <span class="st">"Dark green"</span>
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||
)
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||
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||
<span class="no">tree_or_mushroom</span> <span class="kw">%>%</span>
|
||
<span class="fu"><a href="../reference/bricks_from_table.html">bricks_from_table</a></span>(<span class="no">brick_colors</span>) <span class="kw">%>%</span>
|
||
<span class="fu"><a href="../reference/build_bricks.html">build_bricks</a></span>()
|
||
|
||
<span class="kw pkg">rgl</span><span class="kw ns">::</span><span class="fu"><a href="https://rdrr.io/pkg/rgl/man/par3d.html">par3d</a></span>(<span class="kw">userMatrix</span> <span class="kw">=</span> <span class="kw pkg">rgl</span><span class="kw ns">::</span><span class="fu"><a href="https://rdrr.io/pkg/rgl/man/matrices.html">rotate3d</a></span>(<span class="kw pkg">rgl</span><span class="kw ns">::</span><span class="fu"><a href="https://rdrr.io/pkg/rgl/man/par3d.html">par3d</a></span>(<span class="st">"userMatrix"</span>), <span class="fl">1.1</span>*<span class="no">pi</span>/<span class="fl">4</span>, <span class="fl">0</span>, <span class="fl">0</span> ,<span class="fl">1</span>))</pre></body></html></div>
|
||
<p><img src="models-from-tables_files/figure-html/bricks_5-1.png" width="384"></p>
|
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</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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