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openlayers/master/examples/ScreenSpaceCameraController.html
Éric Lemoine 5d14b9e2d4 Updated
2013-02-20 10:38:25 +01:00

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href="czm_sphere.html">czm_sphere</a></li><li><a href="czm_sphereNormal.html">czm_sphereNormal</a></li><li><a href="global.html#czm_subtraction">czm_subtraction</a></li><li><a href="czm_sunDirectionEC.html">czm_sunDirectionEC</a></li><li><a href="czm_sunDirectionWC.html">czm_sunDirectionWC</a></li><li><a href="czm_temeToPseudoFixed.html">czm_temeToPseudoFixed</a></li><li><a href="czm_threePiOver2.html">czm_threePiOver2</a></li><li><a href="czm_translateRelativeToEye.html">czm_translateRelativeToEye</a></li><li><a href="czm_transpose.html">czm_transpose</a></li><li><a href="czm_twoPi.html">czm_twoPi</a></li><li><a href="czm_view.html">czm_view</a></li><li><a href="czm_viewerPositionWC.html">czm_viewerPositionWC</a></li><li><a href="czm_viewport.html">czm_viewport</a></li><li><a href="czm_viewportOrthographic.html">czm_viewportOrthographic</a></li><li><a href="czm_viewportTransformation.html">czm_viewportTransformation</a></li><li><a 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</div>
</div>
<div class="nav navStatic"></div>
<div id="main">
<h1 class="page-title">ScreenSpaceCameraController</h1>
<section>
<header>
<h2>
ScreenSpaceCameraController
</h2>
</header>
<article>
<div class="container-overview">
<dt>
<h4 class="name" id="ScreenSpaceCameraController"><span class="type-signature"></span>new ScreenSpaceCameraController</h4>
</dt>
<dd>
<p class="description">
Modifies the camera position and orientation based on mouse input to a canvas.
</p>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>canvas</code></td>
<td class="type">
HTMLCanvasElement
</td>
<td class="description last">The canvas to listen for events.</td>
</tr>
<tr>
<td class="name"><code>cameraController</code></td>
<td class="type">
<a href="CameraController.html">CameraController</a>
</td>
<td class="description last">The camera controller used to modify the camera.</td>
</tr>
</tbody>
</table>
<h5>Throws:</h5>
<ul>
<li>
<div class="param-desc">
<span class="param-type"><a href="DeveloperError.html">DeveloperError</a></span>
: canvas is required.
</div>
</li>
<li>
<div class="param-desc">
<span class="param-type"><a href="DeveloperError.html">DeveloperError</a></span>
: cameraController is required.
</div>
</li>
</ul>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 59</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
</div>
<h3 class="subsection-title">Members</h3>
<dl>
<dt>
<h4 class="name" id="bounceAnimationTime"><span class="type-signature"></span>bounceAnimationTime<span class="type-signature"> :Number</span></h4>
</dt>
<dd>
<div class="description">
Sets the duration, in milliseconds, of the bounce back animations in 2D and Columbus view. The default value is 3000.
</div>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 133</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
<dt>
<h4 class="name" id="columbusViewMode"><span class="type-signature"></span>columbusViewMode<span class="type-signature"> :<a href="CameraColumbusViewMode.html">CameraColumbusViewMode</a></span></h4>
</dt>
<dd>
<div class="description">
Sets the behavior in Columbus view.
</div>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 128</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
<dt>
<h4 class="name" id="enableLook"><span class="type-signature"></span>enableLook<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
If true, allows the user to use free-look. If false, the camera view direction can only be changed through translating
or rotating. This flag only applies in 3D and Columbus view modes.
</div>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 95</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
<dt>
<h4 class="name" id="enableRotate"><span class="type-signature"></span>enableRotate<span class="type-signature"> :Boolean</span></h4>
</dt>
<dd>
<div class="description">
If true, allows the user to rotate the camera. If false, the camera is locked to the current heading.
This flag only applies in 2D and 3D.
</div>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 84</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
<dt>
<h4 class="name" id="enableTilt"><span class="type-signature"></span>enableTilt<span class="type-signature"> :Boolean</span></h4>
</dt>
<dd>
<div class="description">
If true, allows the user to tilt the camera. If false, the camera is locked to the current heading.
This flag only applies in 3D and Columbus view.
</div>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 90</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
<dt>
<h4 class="name" id="enableTranslate"><span class="type-signature"></span>enableTranslate<span class="type-signature"> :Boolean</span></h4>
</dt>
<dd>
<div class="description">
If true, allows the user to pan around the map. If false, the camera stays locked at the current position.
This flag only applies in 2D and Columbus view modes.
</div>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 73</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
<dt>
<h4 class="name" id="enableZoom"><span class="type-signature"></span>enableZoom<span class="type-signature"> :Boolean</span></h4>
</dt>
<dd>
<div class="description">
If true, allows the user to zoom in and out. If false, the camera is locked to the current distance from the ellipsoid.
</div>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 78</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
<dt>
<h4 class="name" id="inertiaSpin"><span class="type-signature"></span>inertiaSpin<span class="type-signature"> :Number</span></h4>
</dt>
<dd>
<div class="description">
A parameter in the range <code>[0, 1)</code> used to determine how long
the camera will continue to spin because of inertia.
With value of zero, the camera will have no inertia.
</div>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 102</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
<dt>
<h4 class="name" id="inertiaTranslate"><span class="type-signature"></span>inertiaTranslate<span class="type-signature"> :Number</span></h4>
</dt>
<dd>
<div class="description">
A parameter in the range <code>[0, 1)</code> used to determine how long
the camera will continue to translate because of inertia.
With value of zero, the camera will have no inertia.
</div>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 109</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
<dt>
<h4 class="name" id="inertiaZoom"><span class="type-signature"></span>inertiaZoom<span class="type-signature"> :Number</span></h4>
</dt>
<dd>
<div class="description">
A parameter in the range <code>[0, 1)</code> used to determine how long
the camera will continue to zoom because of inertia.
With value of zero, the camera will have no inertia.
</div>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 116</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
<dt>
<h4 class="name" id="maximumMovementRatio"><span class="type-signature"></span>maximumMovementRatio<span class="type-signature"> :Number</span></h4>
</dt>
<dd>
<div class="description">
A parameter in the range <code>[0, 1)</code> used to limit the range
of various user inputs to a percentage of the window width/height per animation frame.
This helps keep the camera under control in low-frame-rate situations.
</div>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 123</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
<dt>
<h4 class="name" id="maximumZoomDistance"><span class="type-signature"></span>maximumZoomDistance<span class="type-signature"> :Number</span></h4>
</dt>
<dd>
<div class="description">
The maximum magnitude, in meters, of the camera position when zooming. Defaults to positive infinity.
</div>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 143</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
<dt>
<h4 class="name" id="minimumZoomDistance"><span class="type-signature"></span>minimumZoomDistance<span class="type-signature"> :Number</span></h4>
</dt>
<dd>
<div class="description">
The minimum magnitude, in meters, of the camera position when zooming. Defaults to 20.0.
</div>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 138</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
</dl>
<h3 class="subsection-title">Methods</h3>
<dl>
<dt>
<h4 class="name" id="destroy"><span class="type-signature"></span>destroy</h4>
</dt>
<dd>
<p class="description">
Removes mouse listeners held by this object.
<br /><br />
Once an object is destroyed, it should not be used; calling any function other than
<code>isDestroyed</code> will result in a <a href="DeveloperError.html">DeveloperError</a> exception. Therefore,
assign the return value (<code>undefined</code>) to the object as done in the example.
</p>
<h5>Throws:</h5>
<div class="param-desc">
<span class="param-type"><a href="DeveloperError.html">DeveloperError</a></span>
: This object was destroyed, i.e., destroy() was called.
</div>
<h5>Returns:</h5>
<h5>Example</h5>
<pre class="code brush: js">controller = controller && controller.destroy();</pre>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 1051</li></ul></dd>
-->
<h5>See:</h5>
<ul class="see-list">
<li><a href="ScreenSpaceCameraController.html#isDestroyed">ScreenSpaceCameraController#isDestroyed</a></li>
</ul>
</dl>
<div class="hr"></div>
</dd>
<dt>
<h4 class="name" id="isDestroyed"><span class="type-signature"></span>isDestroyed</h4>
</dt>
<dd>
<p class="description">
Returns true if this object was destroyed; otherwise, false.
<br /><br />
If this object was destroyed, it should not be used; calling any function other than
<code>isDestroyed</code> will result in a <a href="DeveloperError.html">DeveloperError</a> exception.
</p>
<h5>Returns:</h5>
<div class="param-desc">
<span class="param-type">Boolean</span>
<code>true</code> if this object was destroyed; otherwise, <code>false</code>.
</div>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 1029</li></ul></dd>
-->
<h5>See:</h5>
<ul class="see-list">
<li><a href="ScreenSpaceCameraController.html#destroy">ScreenSpaceCameraController#destroy</a></li>
</ul>
</dl>
<div class="hr"></div>
</dd>
<dt>
<h4 class="name" id="prototype.getEllipsoid"><span class="type-signature">&lt;static> </span>prototype.getEllipsoid</h4>
</dt>
<dd>
<p class="description">
Gets the ellipsoid. The ellipsoid is used to determine the size of the map in 2D and Columbus view
as well as how fast to rotate the camera based on the distance to its surface.
</p>
<h5>Returns:</h5>
<div class="param-desc">
<span class="param-type"><a href="Ellipsoid.html">Ellipsoid</a></span>
The ellipsoid.
</div>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 185</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
<dt>
<h4 class="name" id="prototype.setEllipsoid"><span class="type-signature">&lt;static> </span>prototype.setEllipsoid</h4>
</dt>
<dd>
<p class="description">
Sets the ellipsoid. The ellipsoid is used to determine the size of the map in 2D and Columbus view
as well as how fast to rotate the camera based on the distance to its surface.
</p>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>ellipsoid</code></td>
<td class="type">
<a href="Ellipsoid.html">Ellipsoid</a>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
WGS84
</td>
<td class="description last">The ellipsoid.</td>
</tr>
</tbody>
</table>
<dl class="details">
<!--
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>../../Source/Scene/ScreenSpaceCameraController.js, line 194</li></ul></dd>
-->
</dl>
<div class="hr"></div>
</dd>
</dl>
</article>
</section>
<footer>
Documentation generated by <a href="https://github.com/micmath/jsdoc">JSDoc 3</a> on Fri Jan 18 2013 11:23:53 GMT-0500 (EST)
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