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IDEAS.html
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<head>
<title>IDEAS</title>
<!-- 2014-06-12 Thu 11:25 -->
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<meta name="author" content="Toby Dylan Hocking" />
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<div id="content">
<h1 class="title">IDEAS</h1>
<p>
defaults could be specified as follows.
</p>
<div class="org-src-container">
<pre class="src src-R">list(
lines=aplot(first_mapping=aes(x=year, y=life.expectancy, color=region),
geom_line(data=WorldBank, size=4, first_mapping=aes(clickSelects=country)), <span style="color: #b22222;"># </span><span style="color: #b22222;">4 pixels -- not passed through a scale.</span>
geom_tallrect(data=years), <span style="color: #b22222;"># </span><span style="color: #b22222;">needs year_xmax and year_xmin columns,</span>
<span style="color: #b22222;"># </span><span style="color: #b22222;">ignores aes(color) since there is no color column</span>
<span style="color: #b22222;"># </span><span style="color: #b22222;">aes(x) is plot-specific but aes(clickSelects) is layer-specific.</span>
points=aplot(first_mapping=aes(x=birth.rate, y=life.expectancy, color=region, size=population),
<span style="color: #b22222;"># </span><span style="color: #b22222;">aes generate axes or guides.</span>
geom_point(data=WorldBank, showSelected(year), encode=vars(color, size)),
<span style="color: #b22222;"># </span><span style="color: #b22222;">points always take x and y, this one also takes optional data color, size</span>
geom_text(data=WorldBank, showSelected(year, country), first_mapping=aes(label=country)), <span style="color: #b22222;"># </span><span style="color: #b22222;">takes x, y, label</span>
geom_text(data=years, showSelected(year), x=0.5, y=1, first_mapping=aes(label=sprintf(<span style="color: #8b2252;">"year = %d"</span>)))
)
)
</pre>
</div>
<p>
but minimally we just specify the data sets and maybe some common
scales
</p>
<div class="org-src-container">
<pre class="src src-R">animint(data=list(years=years, WorldBank=WorldBank),
scales=list(region.colors=region.colors))
</pre>
</div>
<p>
and then on the web page we could interactively define the linked
plots by filling in the following 2 tables (1 for each plot).
</p>
<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
<col class="left" />
<col class="left" />
</colgroup>
<colgroup>
<col class="left" />
<col class="left" />
<col class="left" />
<col class="left" />
<col class="left" />
<col class="right" />
</colgroup>
<colgroup>
<col class="left" />
<col class="left" />
<col class="left" />
<col class="left" />
</colgroup>
<thead>
<tr>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="left">scale=region.colors</th>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="right"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
</tr>
<tr>
<th scope="col" class="left">data</th>
<th scope="col" class="left">geom</th>
<th scope="col" class="left">x=year</th>
<th scope="col" class="left">y=life.expectancy</th>
<th scope="col" class="left">stroke=region</th>
<th scope="col" class="left">fill</th>
<th scope="col" class="left">stroke-width</th>
<th scope="col" class="right">opacity</th>
<th scope="col" class="left">group</th>
<th scope="col" class="left">label</th>
<th scope="col" class="left">clickSelects</th>
<th scope="col" class="left">showSelected</th>
</tr>
</thead>
<tbody>
<tr>
<td class="left">WorldBank</td>
<td class="left">line</td>
<td class="left">encoded</td>
<td class="left">encoded</td>
<td class="left">encoded</td>
<td class="left">-</td>
<td class="left">4</td>
<td class="right">1</td>
<td class="left">country</td>
<td class="left">-</td>
<td class="left">country</td>
<td class="left">[]</td>
</tr>
<tr>
<td class="left">(not selected)</td>
<td class="left">-</td>
<td class="left">-</td>
<td class="left">-</td>
<td class="left">same</td>
<td class="left">-</td>
<td class="left">same</td>
<td class="right">0.5</td>
<td class="left">-</td>
<td class="left">-</td>
<td class="left">-</td>
<td class="left">-</td>
</tr>
</tbody>
<tbody>
<tr>
<td class="left">years</td>
<td class="left">tallrect</td>
<td class="left">encoded</td>
<td class="left">-</td>
<td class="left">"black"</td>
<td class="left">"black"</td>
<td class="left">1</td>
<td class="right">0.5</td>
<td class="left">-</td>
<td class="left">-</td>
<td class="left">year</td>
<td class="left">[]</td>
</tr>
<tr>
<td class="left">(not selected)</td>
<td class="left">-</td>
<td class="left">-</td>
<td class="left">-</td>
<td class="left">same</td>
<td class="left">same</td>
<td class="left">same</td>
<td class="right">0</td>
<td class="left">-</td>
<td class="left">-</td>
<td class="left">-</td>
<td class="left">-</td>
</tr>
</tbody>
</table>
<p>
and for the scatterplot,
</p>
<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
<col class="left" />
<col class="left" />
</colgroup>
<colgroup>
<col class="left" />
<col class="left" />
<col class="left" />
<col class="left" />
<col class="left" />
<col class="left" />
<col class="right" />
</colgroup>
<colgroup>
<col class="left" />
<col class="left" />
<col class="left" />
</colgroup>
<thead>
<tr>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="left">scale=region.colors</th>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="right"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
<th scope="col" class="left"> </th>
</tr>
<tr>
<th scope="col" class="left">data</th>
<th scope="col" class="left">geom</th>
<th scope="col" class="left">x=birth.rate</th>
<th scope="col" class="left">y=life.expectancy</th>
<th scope="col" class="left">stroke</th>
<th scope="col" class="left">fill=region</th>
<th scope="col" class="left">size=population</th>
<th scope="col" class="left">stroke-width</th>
<th scope="col" class="right">opacity</th>
<th scope="col" class="left">label</th>
<th scope="col" class="left">clickSelects</th>
<th scope="col" class="left">showSelected</th>
</tr>
</thead>
<tbody>
<tr>
<td class="left">WorldBank</td>
<td class="left">circle</td>
<td class="left">encoded</td>
<td class="left">encoded</td>
<td class="left">"black"</td>
<td class="left">encoded</td>
<td class="left">encoded</td>
<td class="left">1</td>
<td class="right">1</td>
<td class="left">-</td>
<td class="left">country</td>
<td class="left">[year]</td>
</tr>
<tr>
<td class="left">(not selected)</td>
<td class="left">-</td>
<td class="left">-</td>
<td class="left">-</td>
<td class="left">same</td>
<td class="left">same</td>
<td class="left">-</td>
<td class="left">0</td>
<td class="right">1/2</td>
<td class="left">-</td>
<td class="left">-</td>
<td class="left">-</td>
</tr>
</tbody>
<tbody>
<tr>
<td class="left">WorldBank</td>
<td class="left">text</td>
<td class="left">encoded</td>
<td class="left">encoded</td>
<td class="left">-</td>
<td class="left">"black"</td>
<td class="left">12</td>
<td class="left">-</td>
<td class="right">1</td>
<td class="left">country</td>
<td class="left">(none)</td>
<td class="left">[year, country]</td>
</tr>
</tbody>
<tbody>
<tr>
<td class="left">years</td>
<td class="left">text</td>
<td class="left">0.5</td>
<td class="left">1</td>
<td class="left">-</td>
<td class="left">"black"</td>
<td class="left">12</td>
<td class="left">-</td>
<td class="right">1</td>
<td class="left">yearLabel</td>
<td class="left">(none)</td>
<td class="left">[year]</td>
</tr>
</tbody>
</table>
<p>
The main idea is that there are two kinds of aesthetics:
</p>
<ul class="org-ul">
<li>some plot-specific, each need an axis/legend to decode: x, y, stroke, fill, size, stroke-width, opacity.
</li>
<li>some geom-specific: clickSelects, showSelected, group, label.
</li>
</ul>
<p>
size aesthetic controls <text style="font-size: $(size)px"> and <circle r="$(size*2)">
</p>
<p>
x=year with geom line assumes that WorldBank has a year column and with geom tallrect looks for columns named year<sub>min</sub> and year<sub>max</sub> in years.
</p>
<p>
x, y, size have 3 kinds of values:
</p>
<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
<col class="left" />
<col class="left" />
<col class="left" />
<col class="left" />
</colgroup>
<thead>
<tr>
<th scope="col" class="left">unit type</th>
<th scope="col" class="left">x</th>
<th scope="col" class="left">size</th>
<th scope="col" class="left">constant?</th>
</tr>
</thead>
<tbody>
<tr>
<td class="left">data</td>
<td class="left">year 1996</td>
<td class="left">1e8 people</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">canonical</td>
<td class="left">[0, 1]</td>
<td class="left">30px circle diameter</td>
<td class="left">yes</td>
</tr>
<tr>
<td class="left">svg</td>
<td class="left">x=243 (px)</td>
<td class="left">r=15 (px)</td>
<td class="left"> </td>
</tr>
</tbody>
</table>
<p>
but stroke-width, stroke, fill, opacity only have 2 kinds of values
</p>
<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
<colgroup>
<col class="left" />
<col class="left" />
<col class="left" />
</colgroup>
<thead>
<tr>
<th scope="col" class="left">unit type</th>
<th scope="col" class="left">stroke</th>
<th scope="col" class="left">constant?</th>
</tr>
</thead>
<tbody>
<tr>
<td class="left">data</td>
<td class="left">region Europe</td>
<td class="left"> </td>
</tr>
<tr>
<td class="left">svg</td>
<td class="left">"red"</td>
<td class="left">yes</td>
</tr>
</tbody>
</table>
<p>
if we specify constants for these aesthetics, they should be interpreted as
canonical (x, y, size) or svg (stroke-width, stroke, fill, opacity) values.
</p>
<p>
scales take units from the first row and give units in the second row.
</p>
</div>
<div id="postamble" class="status">
<p class="author">Author: Toby Dylan Hocking</p>
<p class="date">Created: 2014-06-12 Thu 11:25</p>
<p class="creator"><a href="http://www.gnu.org/software/emacs/">Emacs</a> 23.3.1 (<a href="http://orgmode.org">Org</a> mode 8.2.5c)</p>
<p class="validation"><a href="http://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
</html>