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<h1>openvrml::gl::viewer::modelview_matrix_stack Class Reference</h1>Encapsulates an extended modelview matrix stack.
<a href="#_details">More...</a>
<p>
<a href="classopenvrml_1_1gl_1_1viewer_1_1modelview__matrix__stack-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a0" doxytag="openvrml::gl::viewer::modelview_matrix_stack::modelview_matrix_stack" ></a>
</td><td class="memItemRight" valign=bottom><a class="el" href="classopenvrml_1_1gl_1_1viewer_1_1modelview__matrix__stack.html#a0">modelview_matrix_stack</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Construct. <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classopenvrml_1_1gl_1_1viewer_1_1modelview__matrix__stack.html#a1">push</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Push the current matrix onto the stack. <a href="#a1"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classopenvrml_1_1gl_1_1viewer_1_1modelview__matrix__stack.html#a2">pop</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Pop the current matrix off of the stack. <a href="#a2"></a><br><br></td></tr>
<tr><td colspan=2><br><h2>Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="r0" doxytag="openvrml::gl::viewer::modelview_matrix_stack::size" ></a>
size_t </td><td class="memItemRight" valign=bottom><a class="el" href="classopenvrml_1_1gl_1_1viewer_1_1modelview__matrix__stack.html#r0">size</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The current stack depth. <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="r1" doxytag="openvrml::gl::viewer::modelview_matrix_stack::spillover" ></a>
std::stack< <a class="el" href="classopenvrml_1_1mat4f.html">mat4f</a> > </td><td class="memItemRight" valign=bottom><a class="el" href="classopenvrml_1_1gl_1_1viewer_1_1modelview__matrix__stack.html#r1">spillover</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Any matrices that won't fit on the OpenGL modelview matrix stack get pushed onto this stack. <br><br></td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
Encapsulates an extended modelview matrix stack.
<p>
OpenGL requires that implementations have a modelview matrix stack with a maximum depth of only 32. Regardless of that, the maximum depth can be expected to vary between implementations, and we don't want nesting of Transform nodes in VRML worlds to be constrained by this limit.<p>
<a class="el" href="classopenvrml_1_1gl_1_1viewer_1_1modelview__matrix__stack.html">modelview_matrix_stack</a> uses the OpenGL modelview matrix stack until it fills up, at which point any additional matrices that spill over are pushed onto a conventional stack of <a class="el" href="classopenvrml_1_1mat4f.html">mat4f</a>.
<p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="a2" doxytag="openvrml::gl::viewer::modelview_matrix_stack::pop" ></a><p>
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<td class="md" nowrap valign="top"> void openvrml::gl::viewer::modelview_matrix_stack::pop </td>
<td class="md" valign="top">( </td>
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Pop the current matrix off of the stack.
<p>
<dl compact><dt><b>Precondition:</b></dt><dd>The current matrix is the modelview matrix. </dd></dl>
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<a class="anchor" name="a1" doxytag="openvrml::gl::viewer::modelview_matrix_stack::push" ></a><p>
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<td class="md" nowrap valign="top"> void openvrml::gl::viewer::modelview_matrix_stack::push </td>
<td class="md" valign="top">( </td>
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<p>
Push the current matrix onto the stack.
<p>
<dl compact><dt><b>Precondition:</b></dt><dd>The current matrix is the modelview matrix. </dd></dl>
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