607 lines
		
	
	
		
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			607 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
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    <div class="subTitle">de.hems.trafficsim</div>
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    <h2 class="title" title="Class Renderer">Class Renderer</h2>
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</div>
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<div class="contentContainer">
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    <ul class="inheritance">
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        <li>java.lang.Object</li>
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        <li>
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            <ul class="inheritance">
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                <li>de.hems.trafficsim.Renderer</li>
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                <pre>public class <span class="typeNameLabel">Renderer</span>
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extends java.lang.Object</pre>
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                <div class="block">User interface class rendering the track history on a
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                    SurfaceView.
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                </div>
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                        <table border="0" cellpadding="3" cellspacing="0" class="memberSummary"
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                               summary="Field Summary table, listing fields, and an explanation">
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                            <caption><span>Fields</span><span class="tabEnd"> </span></caption>
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                            <tr>
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                                <th class="colFirst" scope="col">Modifier and Type</th>
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                                <th class="colLast" scope="col">Field and Description</th>
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                            </tr>
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                            <tr class="altColor">
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                                <td class="colFirst"><code>protected int</code></td>
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                                <td class="colLast"><code><span class="memberNameLink"><a
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                                        href="../../../de/hems/trafficsim/Renderer.html#height">height</a></span></code>
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                                    <div class="block">height of the surface to draw to</div>
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                                </td>
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                            </tr>
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                            <tr class="rowColor">
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                                <td class="colFirst"><code>protected
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                                    android.view.SurfaceHolder</code></td>
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                                <td class="colLast"><code><span class="memberNameLink"><a
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                                        href="../../../de/hems/trafficsim/Renderer.html#holder">holder</a></span></code>
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                                    <div class="block">holder of the surface the renderer draws to
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                                    </div>
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                                </td>
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                            </tr>
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                            <tr class="altColor">
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                                <td class="colFirst"><code>protected android.graphics.Paint</code>
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                                </td>
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                                <td class="colLast"><code><span class="memberNameLink"><a
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                                        href="../../../de/hems/trafficsim/Renderer.html#paint">paint</a></span></code>
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                                    <div class="block">Paint instance of the renderer</div>
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                                </td>
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                            </tr>
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                            <tr class="rowColor">
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                                <td class="colFirst"><code>protected int</code></td>
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                                <td class="colLast"><code><span class="memberNameLink"><a
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                                        href="../../../de/hems/trafficsim/Renderer.html#pixelPerLine">pixelPerLine</a></span></code>
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                                    <div class="block">height of a rectangle representing one
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                                        vehicle
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                                    </div>
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                                </td>
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                            </tr>
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                            <tr class="altColor">
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                                <td class="colFirst"><code>protected int</code></td>
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                                <td class="colLast"><code><span class="memberNameLink"><a
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                                        href="../../../de/hems/trafficsim/Renderer.html#pixelPerVehicle">pixelPerVehicle</a></span></code>
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                                    <div class="block">width of a rectangle representing one
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                                        vehicle
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                                    </div>
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                                </td>
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                            </tr>
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                            <tr class="rowColor">
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                                <td class="colFirst"><code>protected float</code></td>
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                                <td class="colLast"><code><span class="memberNameLink"><a
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                                        href="../../../de/hems/trafficsim/Renderer.html#tooShortPerHeight">tooShortPerHeight</a></span></code>
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                                    <div class="block">amount of pixels per height which are lost by
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                                        rounding
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                                    </div>
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                                </td>
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                            </tr>
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                            <tr class="altColor">
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                                <td class="colFirst"><code>protected float</code></td>
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                                <td class="colLast"><code><span class="memberNameLink"><a
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                                        href="../../../de/hems/trafficsim/Renderer.html#tooShortPerTrackLength">tooShortPerTrackLength</a></span></code>
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                                    <div class="block">amount of pixels per track position which are
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                                        lost by rounding
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                                    </div>
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                                </td>
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                            </tr>
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                            <tr class="rowColor">
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                                <td class="colFirst"><code>protected <a
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                                        href="../../../de/hems/trafficsim/Track.html"
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                                        title="class in de.hems.trafficsim">Track</a></code></td>
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                                <td class="colLast"><code><span class="memberNameLink"><a
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                                        href="../../../de/hems/trafficsim/Renderer.html#track">track</a></span></code>
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                                    <div class="block">the track to render</div>
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                                </td>
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                            </tr>
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                            <tr class="altColor">
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                                <td class="colFirst"><code>protected int</code></td>
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                                <td class="colLast"><code><span class="memberNameLink"><a
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                                        href="../../../de/hems/trafficsim/Renderer.html#width">width</a></span></code>
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                                    <div class="block">width of the surface to draw to</div>
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                                </td>
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                            </tr>
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                        </table>
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                    </li>
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                        <h3>Constructor Summary</h3>
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                        <table border="0" cellpadding="3" cellspacing="0" class="memberSummary"
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                               summary="Constructor Summary table, listing constructors, and an explanation">
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                            <caption><span>Constructors</span><span class="tabEnd"> </span>
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                            </caption>
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                            <tr>
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                                <th class="colOne" scope="col">Constructor and Description</th>
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                            <tr class="altColor">
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                                <td class="colOne"><code><span class="memberNameLink"><a
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                                        href="../../../de/hems/trafficsim/Renderer.html#Renderer-de.hems.trafficsim.Track-android.view.SurfaceHolder-">Renderer</a></span>(<a
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                                        href="../../../de/hems/trafficsim/Track.html"
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                                        title="class in de.hems.trafficsim">Track</a> track,
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                                    android.view.SurfaceHolder holder)</code>
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                                    <div class="block">Constuctor for a Renderer.</div>
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                                </td>
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                            </tr>
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                        </table>
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                    </li>
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                        <table border="0" cellpadding="3" cellspacing="0" class="memberSummary"
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                               summary="Method Summary table, listing methods, and an explanation">
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                            <caption><span class="activeTableTab"
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                                           id="t0"><span>All Methods</span><span class="tabEnd"> </span></span><span
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                                    class="tableTab" id="t2"><span><a href="javascript:show(2);">Instance Methods</a></span><span
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                                    class="tabEnd"> </span></span><span class="tableTab"
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                                                                             id="t4"><span><a
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                                    href="javascript:show(8);">Concrete Methods</a></span><span
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                                    class="tabEnd"> </span></span></caption>
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                                <th class="colFirst" scope="col">Modifier and Type</th>
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                                <th class="colLast" scope="col">Method and Description</th>
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                                <td class="colFirst"><code>protected void</code></td>
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                                <td class="colLast"><code><span class="memberNameLink"><a
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                                        href="../../../de/hems/trafficsim/Renderer.html#draw--">draw</a></span>()</code>
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                                    <div class="block">Draws the current state of the track history
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                                        to the Surface.
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                                    </div>
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                                </td>
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                            </tr>
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                            <tr class="rowColor" id="i1">
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                                <td class="colFirst"><code>protected int</code></td>
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                                <td class="colLast"><code><span class="memberNameLink"><a
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                                        href="../../../de/hems/trafficsim/Renderer.html#getColor-float-float-">getColor</a></span>(float curVelocity,
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                                    float maxVelocity)</code>
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                                    <div class="block">Utility function which calculates a color
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                                        from the relation between the current speed of a
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                                        vehicle and it's maximum speed (from red over yellow to
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                                        green).
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                                    </div>
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                                </td>
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                            </tr>
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                            <tr class="altColor" id="i2">
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                                <td class="colFirst"><code>void</code></td>
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                                <td class="colLast"><code><span class="memberNameLink"><a
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                                        href="../../../de/hems/trafficsim/Renderer.html#setSize-int-int-">setSize</a></span>(int width,
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                                    int height)</code>
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                                    <div class="block">Updates the dimension information of the
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                                        renderer.
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                                    </div>
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                                </td>
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                            </tr>
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                            <tr class="rowColor" id="i3">
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                                <td class="colFirst"><code>void</code></td>
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                                <td class="colLast"><code><span class="memberNameLink"><a
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                                        href="../../../de/hems/trafficsim/Renderer.html#setTrack-de.hems.trafficsim.Track-">setTrack</a></span>(<a
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                                        href="../../../de/hems/trafficsim/Track.html"
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                                        title="class in de.hems.trafficsim">Track</a> track)</code>
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                                    <div class="block">Updates the track of the Surface.</div>
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                                </td>
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                            </tr>
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                        </table>
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                                <h3>Methods inherited from class java.lang.Object</h3>
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                                <code>clone, equals, finalize, getClass, hashCode, notify,
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                                    notifyAll, toString, wait, wait, wait</code></li>
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                        </ul>
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                    </li>
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                </ul>
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            </li>
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    </div>
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    <div class="details">
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                <!-- ============ FIELD DETAIL =========== -->
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                        <h3>Field Detail</h3>
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                        <a name="track">
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                                <h4>track</h4>
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                                <pre>protected <a href="../../../de/hems/trafficsim/Track.html"
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                                                       title="class in de.hems.trafficsim">Track</a> track</pre>
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                                <div class="block">the track to render</div>
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                            </li>
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                        </ul>
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                        <a name="pixelPerVehicle">
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                                <h4>pixelPerVehicle</h4>
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                                <pre>protected int pixelPerVehicle</pre>
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                                <div class="block">width of a rectangle representing one vehicle
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                                </div>
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                            </li>
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                        </ul>
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                        <a name="pixelPerLine">
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                                <h4>pixelPerLine</h4>
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                                <pre>protected int pixelPerLine</pre>
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                                <div class="block">height of a rectangle representing one vehicle
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                                </div>
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                            </li>
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                        </ul>
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                        <a name="tooShortPerTrackLength">
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                                <h4>tooShortPerTrackLength</h4>
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                                <pre>protected float tooShortPerTrackLength</pre>
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                                <div class="block">amount of pixels per track position which are
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                                    lost by rounding
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                                </div>
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                            </li>
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                        </ul>
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                                <h4>tooShortPerHeight</h4>
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                                <pre>protected float tooShortPerHeight</pre>
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                                <div class="block">amount of pixels per height which are lost by
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                                    rounding
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                                <h4>paint</h4>
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                                <pre>protected android.graphics.Paint paint</pre>
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                                <div class="block">Paint instance of the renderer</div>
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                                <h4>holder</h4>
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                                <pre>protected android.view.SurfaceHolder holder</pre>
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                                <div class="block">holder of the surface the renderer draws to</div>
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                                <h4>width</h4>
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                                <pre>protected int width</pre>
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                                <div class="block">width of the surface to draw to</div>
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                                <h4>height</h4>
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                                <pre>protected int height</pre>
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                                <div class="block">height of the surface to draw to</div>
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                        <h3>Constructor Detail</h3>
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                        <a name="Renderer-de.hems.trafficsim.Track-android.view.SurfaceHolder-">
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                                <h4>Renderer</h4>
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                                <pre>public Renderer(<a
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                                        href="../../../de/hems/trafficsim/Track.html"
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                                        title="class in de.hems.trafficsim">Track</a> track,
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                android.view.SurfaceHolder holder)</pre>
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                                <div class="block">Constuctor for a Renderer.</div>
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                                <dl>
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                                    <dt><span class="paramLabel">Parameters:</span></dt>
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                                    <dd><code>track</code> - the track to render</dd>
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                                    <dd><code>holder</code> - the holder of the surface to draw to
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                                    </dd>
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                                </dl>
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                                <h4>setSize</h4>
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                                <pre>public void setSize(int width,
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                    int height)</pre>
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                                <div class="block">Updates the dimension information of the
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                                    renderer.
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                                </div>
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                                <dl>
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                                    <dt><span class="paramLabel">Parameters:</span></dt>
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                                    <dd><code>width</code> - the width of the SurfaceView</dd>
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                                    <dd><code>height</code> - the height of the SurfaceView</dd>
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                                </dl>
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                                <h4>setTrack</h4>
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                                <pre>public void setTrack(<a
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                                        href="../../../de/hems/trafficsim/Track.html"
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                                        title="class in de.hems.trafficsim">Track</a> track)</pre>
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                                <div class="block">Updates the track of the Surface.</div>
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                                <dl>
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                                    <dt><span class="paramLabel">Parameters:</span></dt>
 | 
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                                    <dd><code>track</code> - the new track to render</dd>
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                                </dl>
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                                <h4>getColor</h4>
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                                <pre>protected int getColor(float curVelocity,
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                       float maxVelocity)</pre>
 | 
						|
                                <div class="block">Utility function which calculates a color from
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                                    the relation between the current speed of a
 | 
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                                    vehicle and it's maximum speed (from red over yellow to green).
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						|
                                </div>
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                                <dl>
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                                    <dt><span class="paramLabel">Parameters:</span></dt>
 | 
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                                    <dd><code>curVelocity</code> - current velocity of the vehicle
 | 
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                                    </dd>
 | 
						|
                                    <dd><code>maxVelocity</code> - maximum velocity of the vehilce
 | 
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                                    </dd>
 | 
						|
                                    <dt><span class="returnLabel">Returns:</span></dt>
 | 
						|
                                    <dd>color encoded as Android color integer</dd>
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                                </dl>
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                                <h4>draw</h4>
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                                <pre>protected void draw()</pre>
 | 
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                                <div class="block">Draws the current state of the track history to
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                                    the Surface.
 | 
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