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<pre><a name="line-1"></a><span class='hs-comment'>----------------------------------------------------------------------------</span>
<a name="line-2"></a><span class='hs-comment'>-- |</span>
<a name="line-3"></a><span class='hs-comment'>-- Module : Graphics.Rendering.Chart</span>
<a name="line-4"></a><span class='hs-comment'>-- Copyright : (c) Tim Docker 2006-2013</span>
<a name="line-5"></a><span class='hs-comment'>-- License : BSD-style (see chart/COPYRIGHT)</span>
<a name="line-6"></a><span class='hs-comment'>--</span>
<a name="line-7"></a><span class='hs-comment'>-- A framework for creating 2D charts in Haskell.</span>
<a name="line-8"></a><span class='hs-comment'>--</span>
<a name="line-9"></a><span class='hs-comment'>-- For the simplest API, see the "Graphics.Rendering.Chart.Easy"</span>
<a name="line-10"></a><span class='hs-comment'>-- module.</span>
<a name="line-11"></a><span class='hs-comment'>--</span>
<a name="line-12"></a><span class='hs-comment'>-- When more control is required, understanding the various data types</span>
<a name="line-13"></a><span class='hs-comment'>-- is necessary. The basic model is that you define a value</span>
<a name="line-14"></a><span class='hs-comment'>-- representing a chart to be displayed (eg. a `Layout`), and then</span>
<a name="line-15"></a><span class='hs-comment'>-- convert it to a 'Renderable' by applying 'toRenderable'. This</span>
<a name="line-16"></a><span class='hs-comment'>-- 'Renderable' is then actually output by calling a function in an</span>
<a name="line-17"></a><span class='hs-comment'>-- appropriate graphics backend, eg 'renderableToFile'.</span>
<a name="line-18"></a><span class='hs-comment'>--</span>
<a name="line-19"></a><span class='hs-comment'>-- Currently, there are three types of charts:</span>
<a name="line-20"></a><span class='hs-comment'>--</span>
<a name="line-21"></a><span class='hs-comment'>-- * 'Layout' is a standard XY chart</span>
<a name="line-22"></a><span class='hs-comment'>-- </span>
<a name="line-23"></a><span class='hs-comment'>-- * 'LayoutLR' is an XY chart with independent left</span>
<a name="line-24"></a><span class='hs-comment'>-- and right axes</span>
<a name="line-25"></a><span class='hs-comment'>--</span>
<a name="line-26"></a><span class='hs-comment'>-- * 'PieLayout' is a pie chart</span>
<a name="line-27"></a><span class='hs-comment'>--</span>
<a name="line-28"></a><span class='hs-comment'>-- 'Layout' and 'LayoutLR' charts can be stacked vertically using</span>
<a name="line-29"></a><span class='hs-comment'>-- the 'StackedLayouts' type.</span>
<a name="line-30"></a><span class='hs-comment'>-- </span>
<a name="line-31"></a><span class='hs-comment'>-- 'Renderable's can be composed in arbitrary ways using the</span>
<a name="line-32"></a><span class='hs-comment'>-- "Graphics.Rendering.Chart.Grid" module.</span>
<a name="line-33"></a><span class='hs-comment'>--</span>
<a name="line-34"></a><span class='hs-comment'>-- Many of the record structure involved in the API have a large</span>
<a name="line-35"></a><span class='hs-comment'>-- number of fields. 'Lens'es are provided to access each field. Also,</span>
<a name="line-36"></a><span class='hs-comment'>-- for each record type, there is generally a default value, which can</span>
<a name="line-37"></a><span class='hs-comment'>-- be accessed through the 'def' value of the 'Default' typeclass.</span>
<a name="line-38"></a><span class='hs-comment'>--</span>
<a name="line-39"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-40"></a>
<a name="line-41"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-layout'>(</span>
<a name="line-42"></a>
<a name="line-43"></a> <span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Geometry</span><span class='hs-layout'>,</span>
<a name="line-44"></a> <span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Drawing</span><span class='hs-layout'>,</span>
<a name="line-45"></a> <span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Renderable</span><span class='hs-layout'>,</span>
<a name="line-46"></a> <span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Layout</span><span class='hs-layout'>,</span>
<a name="line-47"></a> <span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Axis</span><span class='hs-layout'>,</span>
<a name="line-48"></a> <span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Plot</span><span class='hs-layout'>,</span>
<a name="line-49"></a> <span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Legend</span><span class='hs-layout'>,</span>
<a name="line-50"></a> <span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Backend</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span>
<a name="line-51"></a>
<a name="line-52"></a><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-53"></a>
<a name="line-54"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Geometry</span>
<a name="line-55"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Drawing</span>
<a name="line-56"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Renderable</span>
<a name="line-57"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Layout</span>
<a name="line-58"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Axis</span>
<a name="line-59"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Plot</span>
<a name="line-60"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Legend</span>
<a name="line-61"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>Chart</span><span class='hs-varop'>.</span><span class='hs-conid'>Backend</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span>
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