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<div class="navpath"><a class="el" href="namespacemrpt.html">mrpt</a>::<a class="el" href="namespacemrpt_1_1utils.html">utils</a>::<a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a>
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<h1>mrpt::utils::CImageFloat Class Reference</h1><!-- doxytag: class="mrpt::utils::CImageFloat" --><!-- doxytag: inherits="mrpt::utils::CSerializable,mrpt::utils::CCanvas" -->
<p>In this class a grayscale image can be stored with float-type pixels.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="_c_image_float_8h_source.html">mrpt/utils/CImageFloat.h</a>></code></p>
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Inheritance diagram for mrpt::utils::CImageFloat:</div>
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<div class="center"><img src="classmrpt_1_1utils_1_1_c_image_float__inherit__graph.png" border="0" usemap="#mrpt_1_1utils_1_1_c_image_float_inherit__map" alt="Inheritance graph"/></div>
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Collaboration diagram for mrpt::utils::CImageFloat:</div>
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<p><a href="classmrpt_1_1utils_1_1_c_image_float-members.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a1b4875a776ba6565fe06bb0d92b1a8db">setPixel</a> (int x, int y, size_t color)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Changes the value of the pixel (x,y). <a href="#a1b4875a776ba6565fe06bb0d92b1a8db"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a183475f400631b982473a0611b1e1754">resize</a> (size_t width, size_t height)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Resize the buffer "img" to accomodate a new image size. <a href="#a183475f400631b982473a0611b1e1754"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a37b2ec252bb1975c4ca74f798a38ce96">setSize</a> (size_t width, size_t height)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Resize the buffer "img" to accomodate a new image size. <a href="#a37b2ec252bb1975c4ca74f798a38ce96"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a635443620fab25be79f79486f0564d4d">CImageFloat</a> (size_t width=1, size_t height=1)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Default constructor:. <a href="#a635443620fab25be79f79486f0564d4d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a1061ab188f15616d7a6f6387c94470f9">CImageFloat</a> (const <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> &o)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Copy constructor:. <a href="#a1061ab188f15616d7a6f6387c94470f9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a7a2f96c10627ee7a6aee400e6fa8315a">CImageFloat</a> (const <a class="el" href="classmrpt_1_1math_1_1_c_matrix_template_numeric.html">math::CMatrixFloat</a> &o)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Copy constructor from a matrix with values in the range [0,1]:. <a href="#a7a2f96c10627ee7a6aee400e6fa8315a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a055b009f6d5e8f2a32920d950fd9bfd6">CImageFloat</a> (const <a class="el" href="classmrpt_1_1math_1_1_c_matrix_template_numeric.html">math::CMatrixDouble</a> &o)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Copy constructor from a matrix with values in the range [0,1]:. <a href="#a055b009f6d5e8f2a32920d950fd9bfd6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#ad6847dba81ca3d5481b6ba900c5a3839">CImageFloat</a> (const <a class="el" href="classmrpt_1_1utils_1_1_c_image.html">CImage</a> &o)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Copy constructor from a <a class="el" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a>. <a href="#ad6847dba81ca3d5481b6ba900c5a3839"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#ab8505d41dd78a6bd8f0212c369d61543">operator=</a> (const <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> &o)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Copy operator. <a href="#ab8505d41dd78a6bd8f0212c369d61543"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#aad2191d48b86a3c1807e49f6c0007317">operator=</a> (const <a class="el" href="classmrpt_1_1utils_1_1_c_image.html">CImage</a> &o)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Copy operator. <a href="#aad2191d48b86a3c1807e49f6c0007317"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#ac7041785c0b6348ca734e769a46b7122">operator=</a> (const <a class="el" href="classmrpt_1_1math_1_1_c_matrix_template_numeric.html">math::CMatrixFloat</a> &o)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Copy operator from a float matrix. <a href="#ac7041785c0b6348ca734e769a46b7122"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#abedc905c37d4d30669a16234019d2295">operator=</a> (const <a class="el" href="classmrpt_1_1math_1_1_c_matrix_template_numeric.html">math::CMatrixDouble</a> &o)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Copy operator from a double matrix. <a href="#abedc905c37d4d30669a16234019d2295"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a397312e687998bdf146b76622f8b6d57">~CImageFloat</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor:. <a href="#a397312e687998bdf146b76622f8b6d57"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#aada28d80051dfbaaf78036188a1c908a">getWidth</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the width of the image in pixels. <a href="#aada28d80051dfbaaf78036188a1c908a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a6eb9bfab2caf59af657b999b7b9e5206">getHeight</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the height of the image in pixels. <a href="#a6eb9bfab2caf59af657b999b7b9e5206"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a0b0c172bfaf5bacbe1c8293b91616b6b">getAsMatrix</a> (<a class="el" href="classmrpt_1_1math_1_1_c_matrix_template_numeric.html">math::CMatrixFloat</a> &outMatrix) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns a matrix CMatrix representation of the image. <a href="#a0b0c172bfaf5bacbe1c8293b91616b6b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a00a59274d0cd48d93d5b899fcd31c81c">loadFromFile</a> (const std::string &fileName)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Loads the image from a gray-scale image file. <a href="#a00a59274d0cd48d93d5b899fcd31c81c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a1a815e4d81913fdc5b907aab612c8980">saveToFile</a> (const std::string &fileName, bool verticalFlip=false) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Save the image to a file in a format given by the file extension. <a href="#a1a815e4d81913fdc5b907aab612c8980"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#ac4c41959dfbd966495287a9b0f885df4">saveToTextFile</a> (const std::string &fileName) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Save to a text file, loadable from matlab. <a href="#ac4c41959dfbd966495287a9b0f885df4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a9cee3f29f265f292fcae528140f5922c">adjustImageRange</a> (float min=0.0f, float max=1.0f)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Adjusts the range of the values in the image, such as the minimum and maximum values are the given ones. <a href="#a9cee3f29f265f292fcae528140f5922c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">float * </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#aa15a0610b2a48f05746f5ebec0b9ac48">operator()</a> (size_t col, size_t row) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns a pointer to a given pixel. <a href="#aa15a0610b2a48f05746f5ebec0b9ac48"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a166a835566e9f2814f72dc5b445b675f">operator*</a> (const <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> &im2)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Point-wise product of <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html" title="In this class a grayscale image can be stored with float-type pixels.">CImageFloat</a> images by FAMD, JAN-2007. <a href="#a166a835566e9f2814f72dc5b445b675f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a09a93e21a86c60d77c6aa06d29afa2e0">operator+</a> (const <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> &im2)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Point-wise addition of <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html" title="In this class a grayscale image can be stored with float-type pixels.">CImageFloat</a> images by FAMD, JAN-2007. <a href="#a09a93e21a86c60d77c6aa06d29afa2e0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a846e61354d688babf2de52c3161306dd">operator-</a> (const <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> &im2)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Point-wise substraction of <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html" title="In this class a grayscale image can be stored with float-type pixels.">CImageFloat</a> images by FAMD, JAN-2007. <a href="#a846e61354d688babf2de52c3161306dd"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a99aa3cf2654211ab02b6d2f41e801341">operator^</a> (int exp)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Point-wise scalar power of <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html" title="In this class a grayscale image can be stored with float-type pixels.">CImageFloat</a> images by FAMD, JAN-2007. <a href="#a99aa3cf2654211ab02b6d2f41e801341"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#aa54068e7fc3b481374281c7091f05359">scaleHalf</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Substitutes this image with a new one scaled down to half its original size. <a href="#aa54068e7fc3b481374281c7091f05359"></a><br/></td></tr>
<tr><td colspan="2"><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">float * </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#aca4586b603baf07f3a9b69bf7d0ec668">m_img</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Data members. <a href="#aca4586b603baf07f3a9b69bf7d0ec668"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#adf5dee013323134fd912a45349260f37">m_width</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The image size:. <a href="#adf5dee013323134fd912a45349260f37"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a50c7606c29007f12d6da35ffd906e7e8">m_height</a></td></tr>
<tr><td colspan="2"><h2>Friends</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a8028cec02bbb1991d3b714e525802fc1">CImage</a></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>In this class a grayscale image can be stored with float-type pixels. </p>
<p>I/O is supported as conversion to a byte-type pixels "CImage", and as binary dump using the <a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html" title="The virtual base class which provides a unified interface for all persistent objects...">CSerializable</a> interface(<< and >> operators), just as most objects in the MRPT library. This format is not compatible with any standarized image format. <br/>
Additional notes: <br/>
</p>
<ul>
<li>Only the top-left coordinates origin format is supported.</li>
<li>The format of the pixels is valid float values in the range [0,1]</li>
<li>When assigning a <a class="el" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> to a <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html" title="In this class a grayscale image can be stored with float-type pixels.">CImageFloat</a>, the pixels are automatically converted from the range (0,255) --> (0,1)</li>
</ul>
<p>There is a "=" operator for converting between the classes "CImage" and "CImageFloat".</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a>, <a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html" title="The virtual base class which provides a unified interface for all persistent objects...">CSerializable</a> </dd></dl>
<p>Definition at line <a class="el" href="_c_image_float_8h_source.html#l00057">57</a> of file <a class="el" href="_c_image_float_8h_source.html">CImageFloat.h</a>.</p>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a635443620fab25be79f79486f0564d4d"></a><!-- doxytag: member="mrpt::utils::CImageFloat::CImageFloat" ref="a635443620fab25be79f79486f0564d4d" args="(size_t width=1, size_t height=1)" -->
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<td class="memname">mrpt::utils::CImageFloat::CImageFloat </td>
<td>(</td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>width</em> = <code>1</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>height</em> = <code>1</code></td><td> </td>
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<td></td>
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<p>Default constructor:. </p>
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<a class="anchor" id="a1061ab188f15616d7a6f6387c94470f9"></a><!-- doxytag: member="mrpt::utils::CImageFloat::CImageFloat" ref="a1061ab188f15616d7a6f6387c94470f9" args="(const CImageFloat &o)" -->
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<td class="memname">mrpt::utils::CImageFloat::CImageFloat </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> & </td>
<td class="paramname"> <em>o</em></td>
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<p>Copy constructor:. </p>
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<a class="anchor" id="a7a2f96c10627ee7a6aee400e6fa8315a"></a><!-- doxytag: member="mrpt::utils::CImageFloat::CImageFloat" ref="a7a2f96c10627ee7a6aee400e6fa8315a" args="(const math::CMatrixFloat &o)" -->
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<td class="memname">mrpt::utils::CImageFloat::CImageFloat </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classmrpt_1_1math_1_1_c_matrix_template_numeric.html">math::CMatrixFloat</a> & </td>
<td class="paramname"> <em>o</em></td>
<td> ) </td>
<td><code> [explicit]</code></td>
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<p>Copy constructor from a matrix with values in the range [0,1]:. </p>
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<td class="paramname"> <em>o</em></td>
<td> ) </td>
<td><code> [explicit]</code></td>
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<p>Copy constructor from a matrix with values in the range [0,1]:. </p>
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<a class="anchor" id="ad6847dba81ca3d5481b6ba900c5a3839"></a><!-- doxytag: member="mrpt::utils::CImageFloat::CImageFloat" ref="ad6847dba81ca3d5481b6ba900c5a3839" args="(const CImage &o)" -->
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<td class="memname">mrpt::utils::CImageFloat::CImageFloat </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classmrpt_1_1utils_1_1_c_image.html">CImage</a> & </td>
<td class="paramname"> <em>o</em></td>
<td> ) </td>
<td><code> [explicit]</code></td>
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<p>Copy constructor from a <a class="el" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a>. </p>
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<a class="anchor" id="a397312e687998bdf146b76622f8b6d57"></a><!-- doxytag: member="mrpt::utils::CImageFloat::~CImageFloat" ref="a397312e687998bdf146b76622f8b6d57" args="()" -->
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<td class="memname">virtual mrpt::utils::CImageFloat::~CImageFloat </td>
<td>(</td>
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<td><code> [virtual]</code></td>
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<p>Destructor:. </p>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a9cee3f29f265f292fcae528140f5922c"></a><!-- doxytag: member="mrpt::utils::CImageFloat::adjustImageRange" ref="a9cee3f29f265f292fcae528140f5922c" args="(float min=0.0f, float max=1.0f)" -->
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<td class="memname">void mrpt::utils::CImageFloat::adjustImageRange </td>
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<td class="paramtype">float </td>
<td class="paramname"> <em>min</em> = <code>0.0f</code>, </td>
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<td class="paramname"> <em>max</em> = <code>1.0f</code></td><td> </td>
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<p>Adjusts the range of the values in the image, such as the minimum and maximum values are the given ones. </p>
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<td class="memname">void mrpt::utils::CImageFloat::getAsMatrix </td>
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<td class="paramname"> <em>outMatrix</em></td>
<td> ) </td>
<td> const</td>
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<p>Returns a matrix CMatrix representation of the image. </p>
<p>The output matrix will contain at its (r,c) element the pixel at the r'th row (y coordinate), and c'th column (x coordinate) </p>
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<a class="anchor" id="a6eb9bfab2caf59af657b999b7b9e5206"></a><!-- doxytag: member="mrpt::utils::CImageFloat::getHeight" ref="a6eb9bfab2caf59af657b999b7b9e5206" args="() const " -->
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<td class="memname">size_t mrpt::utils::CImageFloat::getHeight </td>
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<td> const<code> [virtual]</code></td>
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<p>Returns the height of the image in pixels. </p>
<p>Implements <a class="el" href="classmrpt_1_1utils_1_1_c_canvas.html#a9639f2a43bd4ef94294111e77c6c749a">mrpt::utils::CCanvas</a>.</p>
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<a class="anchor" id="aada28d80051dfbaaf78036188a1c908a"></a><!-- doxytag: member="mrpt::utils::CImageFloat::getWidth" ref="aada28d80051dfbaaf78036188a1c908a" args="() const " -->
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<td> const<code> [virtual]</code></td>
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<p>Returns the width of the image in pixels. </p>
<p>Implements <a class="el" href="classmrpt_1_1utils_1_1_c_canvas.html#a4c46a63b0d936e15b9c0fa86c125676c">mrpt::utils::CCanvas</a>.</p>
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<td class="memname">bool mrpt::utils::CImageFloat::loadFromFile </td>
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<p>Loads the image from a gray-scale image file. </p>
<p>See <a class="el" href="classmrpt_1_1utils_1_1_c_image.html#acad842441ddd573795484780552e55e6" title="Load image from a file, whose format is determined from the extension (internally...">CImage::loadFromFile</a> for supported formats </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>False on any error </dd></dl>
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<a class="anchor" id="aa15a0610b2a48f05746f5ebec0b9ac48"></a><!-- doxytag: member="mrpt::utils::CImageFloat::operator()" ref="aa15a0610b2a48f05746f5ebec0b9ac48" args="(size_t col, size_t row) const " -->
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<td class="memname">float* mrpt::utils::CImageFloat::operator() </td>
<td>(</td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>col</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>row</em></td><td> </td>
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<td></td>
<td>)</td>
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<p>Returns a pointer to a given pixel. </p>
<p>The coordinate origin is pixel(0,0)=top-left corner of the image. </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>std::exception</em> </td><td>On pixel coordinates out of bounds </td></tr>
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</dd>
</dl>
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</div>
<a class="anchor" id="a166a835566e9f2814f72dc5b445b675f"></a><!-- doxytag: member="mrpt::utils::CImageFloat::operator*" ref="a166a835566e9f2814f72dc5b445b675f" args="(const CImageFloat &im2)" -->
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<td class="memname"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> mrpt::utils::CImageFloat::operator* </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> & </td>
<td class="paramname"> <em>im2</em></td>
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<p>Point-wise product of <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html" title="In this class a grayscale image can be stored with float-type pixels.">CImageFloat</a> images by FAMD, JAN-2007. </p>
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<a class="anchor" id="a09a93e21a86c60d77c6aa06d29afa2e0"></a><!-- doxytag: member="mrpt::utils::CImageFloat::operator+" ref="a09a93e21a86c60d77c6aa06d29afa2e0" args="(const CImageFloat &im2)" -->
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<td class="memname"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> mrpt::utils::CImageFloat::operator+ </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> & </td>
<td class="paramname"> <em>im2</em></td>
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<p>Point-wise addition of <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html" title="In this class a grayscale image can be stored with float-type pixels.">CImageFloat</a> images by FAMD, JAN-2007. </p>
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<a class="anchor" id="a846e61354d688babf2de52c3161306dd"></a><!-- doxytag: member="mrpt::utils::CImageFloat::operator-" ref="a846e61354d688babf2de52c3161306dd" args="(const CImageFloat &im2)" -->
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<td class="memname"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> mrpt::utils::CImageFloat::operator- </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> & </td>
<td class="paramname"> <em>im2</em></td>
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<p>Point-wise substraction of <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html" title="In this class a grayscale image can be stored with float-type pixels.">CImageFloat</a> images by FAMD, JAN-2007. </p>
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<td class="memname">void mrpt::utils::CImageFloat::operator= </td>
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<td class="paramtype">const <a class="el" href="classmrpt_1_1math_1_1_c_matrix_template_numeric.html">math::CMatrixDouble</a> & </td>
<td class="paramname"> <em>o</em></td>
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<p>Copy operator from a double matrix. </p>
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<td class="memname">void mrpt::utils::CImageFloat::operator= </td>
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<td class="paramtype">const <a class="el" href="classmrpt_1_1math_1_1_c_matrix_template_numeric.html">math::CMatrixFloat</a> & </td>
<td class="paramname"> <em>o</em></td>
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<p>Copy operator from a float matrix. </p>
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<a class="anchor" id="aad2191d48b86a3c1807e49f6c0007317"></a><!-- doxytag: member="mrpt::utils::CImageFloat::operator=" ref="aad2191d48b86a3c1807e49f6c0007317" args="(const CImage &o)" -->
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<td class="memname">void mrpt::utils::CImageFloat::operator= </td>
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<td class="paramtype">const <a class="el" href="classmrpt_1_1utils_1_1_c_image.html">CImage</a> & </td>
<td class="paramname"> <em>o</em></td>
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<p>Copy operator. </p>
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<a class="anchor" id="ab8505d41dd78a6bd8f0212c369d61543"></a><!-- doxytag: member="mrpt::utils::CImageFloat::operator=" ref="ab8505d41dd78a6bd8f0212c369d61543" args="(const CImageFloat &o)" -->
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<td class="memname">void mrpt::utils::CImageFloat::operator= </td>
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<td class="paramtype">const <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> & </td>
<td class="paramname"> <em>o</em></td>
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<p>Copy operator. </p>
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<a class="anchor" id="a99aa3cf2654211ab02b6d2f41e801341"></a><!-- doxytag: member="mrpt::utils::CImageFloat::operator^" ref="a99aa3cf2654211ab02b6d2f41e801341" args="(int exp)" -->
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<td class="memname"><a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html">CImageFloat</a> mrpt::utils::CImageFloat::operator^ </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>exp</em></td>
<td> ) </td>
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<p>Point-wise scalar power of <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html" title="In this class a grayscale image can be stored with float-type pixels.">CImageFloat</a> images by FAMD, JAN-2007. </p>
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<td class="memname">void mrpt::utils::CImageFloat::resize </td>
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<td class="paramtype">size_t </td>
<td class="paramname"> <em>width</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>height</em></td><td> </td>
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<p>Resize the buffer "img" to accomodate a new image size. </p>
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<a class="anchor" id="a1a815e4d81913fdc5b907aab612c8980"></a><!-- doxytag: member="mrpt::utils::CImageFloat::saveToFile" ref="a1a815e4d81913fdc5b907aab612c8980" args="(const std::string &fileName, bool verticalFlip=false) const " -->
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<p>Save the image to a file in a format given by the file extension. </p>
<p>If "verticalFlip" is true, the image is inverted vertically See <a class="el" href="classmrpt_1_1utils_1_1_c_image.html#a1b64eea6332fce6366c859d210b3e3d5" title="Save the image to a file, whose format is determined from the extension (internally...">CImage::saveToFile</a> for supported formats </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>False on any error </dd></dl>
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<a class="anchor" id="ac4c41959dfbd966495287a9b0f885df4"></a><!-- doxytag: member="mrpt::utils::CImageFloat::saveToTextFile" ref="ac4c41959dfbd966495287a9b0f885df4" args="(const std::string &fileName) const " -->
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<td class="memname">void mrpt::utils::CImageFloat::saveToTextFile </td>
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<td class="paramtype">const std::string & </td>
<td class="paramname"> <em>fileName</em></td>
<td> ) </td>
<td> const</td>
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<p>Save to a text file, loadable from matlab. </p>
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<a class="anchor" id="aa54068e7fc3b481374281c7091f05359"></a><!-- doxytag: member="mrpt::utils::CImageFloat::scaleHalf" ref="aa54068e7fc3b481374281c7091f05359" args="()" -->
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<td class="memname">void mrpt::utils::CImageFloat::scaleHalf </td>
<td>(</td>
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<td> ) </td>
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<p>Substitutes this image with a new one scaled down to half its original size. </p>
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<a class="anchor" id="a1b4875a776ba6565fe06bb0d92b1a8db"></a><!-- doxytag: member="mrpt::utils::CImageFloat::setPixel" ref="a1b4875a776ba6565fe06bb0d92b1a8db" args="(int x, int y, size_t color)" -->
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<td class="memname">void mrpt::utils::CImageFloat::setPixel </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>x</em>, </td>
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<td class="paramname"> <em>y</em>, </td>
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<td class="paramtype">size_t </td>
<td class="paramname"> <em>color</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
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<p>Changes the value of the pixel (x,y). </p>
<p>Pixel coordinates starts at the left-top corner of the image, and start in (0,0). The meaning of the parameter "color" depends on the implementation: it will usually be a 24bit RGB value (0x00RRGGBB), but it can also be just a 8bit gray level. This method must support (x,y) values OUT of the actual image size without neither raising exceptions, nor leading to memory access errors. </p>
<p>Implements <a class="el" href="classmrpt_1_1utils_1_1_c_canvas.html#a507ff849993e3ce8818a0426dee8d36b">mrpt::utils::CCanvas</a>.</p>
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<a class="anchor" id="a37b2ec252bb1975c4ca74f798a38ce96"></a><!-- doxytag: member="mrpt::utils::CImageFloat::setSize" ref="a37b2ec252bb1975c4ca74f798a38ce96" args="(size_t width, size_t height)" -->
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<td class="memname">void mrpt::utils::CImageFloat::setSize </td>
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<td class="paramtype">size_t </td>
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<td>)</td>
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<p>Resize the buffer "img" to accomodate a new image size. </p>
<p>Initialize all images pixels to zero. by AJOGD @ JAN-2007 </p>
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<hr/><h2>Friends And Related Function Documentation</h2>
<a class="anchor" id="a8028cec02bbb1991d3b714e525802fc1"></a><!-- doxytag: member="mrpt::utils::CImageFloat::CImage" ref="a8028cec02bbb1991d3b714e525802fc1" args="" -->
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<td class="memname">friend class <a class="el" href="classmrpt_1_1utils_1_1_c_image.html">CImage</a><code> [friend]</code></td>
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<p>Definition at line <a class="el" href="_c_image_float_8h_source.html#l00059">59</a> of file <a class="el" href="_c_image_float_8h_source.html">CImageFloat.h</a>.</p>
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<hr/><h2>Member Data Documentation</h2>
<a class="anchor" id="a50c7606c29007f12d6da35ffd906e7e8"></a><!-- doxytag: member="mrpt::utils::CImageFloat::m_height" ref="a50c7606c29007f12d6da35ffd906e7e8" args="" -->
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<td class="memname">size_t <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#a50c7606c29007f12d6da35ffd906e7e8">mrpt::utils::CImageFloat::m_height</a><code> [protected]</code></td>
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<p>Definition at line <a class="el" href="_c_image_float_8h_source.html#l00070">70</a> of file <a class="el" href="_c_image_float_8h_source.html">CImageFloat.h</a>.</p>
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<a class="anchor" id="aca4586b603baf07f3a9b69bf7d0ec668"></a><!-- doxytag: member="mrpt::utils::CImageFloat::m_img" ref="aca4586b603baf07f3a9b69bf7d0ec668" args="" -->
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<td class="memname">float* <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#aca4586b603baf07f3a9b69bf7d0ec668">mrpt::utils::CImageFloat::m_img</a><code> [protected]</code></td>
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<p>Data members. </p>
<p>Definition at line <a class="el" href="_c_image_float_8h_source.html#l00066">66</a> of file <a class="el" href="_c_image_float_8h_source.html">CImageFloat.h</a>.</p>
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<a class="anchor" id="adf5dee013323134fd912a45349260f37"></a><!-- doxytag: member="mrpt::utils::CImageFloat::m_width" ref="adf5dee013323134fd912a45349260f37" args="" -->
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<td class="memname">size_t <a class="el" href="classmrpt_1_1utils_1_1_c_image_float.html#adf5dee013323134fd912a45349260f37">mrpt::utils::CImageFloat::m_width</a><code> [protected]</code></td>
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<p>The image size:. </p>
<p>Definition at line <a class="el" href="_c_image_float_8h_source.html#l00070">70</a> of file <a class="el" href="_c_image_float_8h_source.html">CImageFloat.h</a>.</p>
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