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<title>write_imageh</title>
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<a xmlns="http://www.w3.org/1999/xhtml" id="write_image"></a>
<h1>write_imageh (3D)</h1>
<p>
Write <code xmlns="http://www.w3.org/1999/xhtml" class="varname">color</code> value to location in the 3D image object.
</p>
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<div class="refsynopsisdiv">
<h2></h2>
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<code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">
<a class="link" href="scalarDataTypes.html" target="_top">void</a>
<strong class="fsfunc">
write_imageh
</strong>
(</code>
<td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="otherDataTypes.html" target="_top">image3d_t</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">image</var>, </td>
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<td> </td>
<td>int4 <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">coord</var>, </td>
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<td> </td>
<td>half4 <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">color</var><code>)</code></td>
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<div class="refsect1">
<a id="description"></a>
<h2>Description</h2>
<p>
Write <code class="varname">color</code> value to location specified by coordinate <span class="emphasis"><em>(x, y, z)</em></span> in the 3D image object specified by <code class="varname">image</code>. Appropriate data format conversion to the specified image format is done before writing the color value. <span class="emphasis"><em>coord.x</em></span>, <span class="emphasis"><em>coord.y</em></span>, and <span class="emphasis"><em>coord.z</em></span> are considered to be unnormalized coordinates and must be in the range 0... image stream width - 1, 0... image stream height - 1 and 0... image stream width - 1.
</p>
<p>
<code class="function">write_imageh</code> can only be used with image objects created with <code class="varname">image_channel_data_type</code> set to one of the pre-defined packed formats or set to CL_SNORM_INT8, CL_UNORM_INT8, CL_SNORM_INT16, CL_UNORM_INT16, or CL_HALF_FLOAT. Appropriate data format conversion will be done to convert channel data from a half floating-point value to actual data format in which the channels are stored.
</p>
<p>
The behavior of <code class="function">write_imageh</code> for image objects created with <code class="varname">image_channel_data_type</code> values not specified in the description above or with <span class="emphasis"><em>(x, y,z)</em></span> coordinate values that are not in the range (0... image width - 1, 0... image height - 1),0... image depth -1) respectively, is undefined.
</p>
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<div class="refsect1">
<a id="specification"></a>
<h2>Specification</h2>
<p>
<img src="pdficon_small1.gif" />
<a href="http://www.khronos.org/registry/cl/specs/opencl-1.0.pdf#page=190" target="OpenCL Spec">OpenCL Specification</a>
</p>
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<div class="refsect1">
<a id="seealso"></a>
<h2>Also see</h2>
<p>
<a class="citerefentry" href="imageFunctions.html"><span class="citerefentry"><span class="refentrytitle">Image Functions</span></span></a>
</p>
</div>
<div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p>Copyright © 2007-2009 The Khronos Group Inc.
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