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<h1>VTK 3D Viewer</h1>

<p class="whs1"><span style="font-weight: bold;"><B>VTK 
 3D viewer</B></span> is the default viewer for Mesh Module, allowing to visualize 
 meshes. It is also used in Post-Pro module for all 3D presentations except 
 for Gauss Points.</p>

<p class="whs1">&nbsp;</p>

<p class="whs1">The functionalities of 
 VTK viewer are available via its Viewer Toolbar. Buttons marked with small 
 downward triangles have extended functionality which can be accessed by 
 locking on them with left mouse button. &nbsp;</p>

<p class="whs1">&nbsp;</p>

<p class="whs2"><img src="../pics/image157.gif" x-maintain-ratio="TRUE" width="301px" height="26px" border="0" class="img_whs3"></p>

<ul type="disc" class="whs4">
	
	<li class=kadov-p><p class="whs1"><img src="../pics/image77.gif" x-maintain-ratio="TRUE" width="26px" height="25px" border="0" class="img_whs5"> <span style="font-weight: bold;"><B>Dump View</B></span> - exports 
 an object from the viewer in bmp, png, jpg or jpeg image format. </p></li>
	
	<li class=kadov-p><p class="whs1"><img src="../pics/image78.gif" x-maintain-ratio="TRUE" width="27px" height="25px" border="0" class="img_whs6"> <span style="font-weight: bold;"><B>Show/Hide Trihedron</B></span> 
 - shows or hides coordinate axes. </p></li>
	
	<li class=kadov-p><p class="whs1"><img src="../pics/image96.gif" x-maintain-ratio="TRUE" width="24px" height="23px" border="0" class="img_whs7"> &nbsp;<span style="font-weight: bold;"><B>Fit 
 all - </B></span>allows to select a point to be the center of a scene representing 
 all displayed objects in the visible area.<span style="font-weight: bold;"> 
 <B></B></span></p></li>
	
	<li class=kadov-p><p class="whs1">&nbsp;<img src="../pics/image97.gif" x-maintain-ratio="TRUE" width="24px" height="24px" border="0" class="img_whs8"> <span style="font-weight: bold;"><B>Fit area</B></span> - resizes 
 the view to place in the visible area only the contents of a frame drawn 
 with pressed left mouse button.</p></li>
	
	<li class=kadov-p><p class="whs1"><img src="../pics/image98.gif" x-maintain-ratio="TRUE" width="25px" height="24px" border="0" class="img_whs9"> <span style="font-weight: bold;"><B>Zoom</B></span> - &nbsp;allows 
 to zoom in and out. </p></li>
	
	<li class=kadov-p><p class="whs1"><img src="../pics/image99.gif" x-maintain-ratio="TRUE" width="23px" height="23px" border="0" class="img_whs10"> <span style="font-weight: bold;"><B>Panning</B></span> - if the 
 represented objects are greater that the visible area and you don't wish 
 to use <span style="font-weight: bold;"><B>Fit all</B></span> functionality, 
 click on this button and you'll be able to drag the scene to see its remote 
 parts. </p></li>
	
	<li class=kadov-p><p class="whs1"><img src="../pics/image100.gif" x-maintain-ratio="TRUE" width="24px" height="24px" border="0" class="img_whs8"> <span style="font-weight: bold;"><B>Global panning</B></span> - 
 represents all displayed objects in the visible area. </p></li>
	
	<li class=kadov-p><p class="whs1"><img src="../pics/view_rotation_point.png" x-maintain-ratio="TRUE" width="20px" height="20px" border="0" class="img_whs11"> <span style="font-weight: bold;"><B>Change rotation point</B></span> 
 - allows to to choose the point around which the rotation is performed</p></li>
</ul>

<p class="whs12"><img src="../pics/set_rotation_point_dialog1.png" x-maintain-ratio="TRUE" width="410px" height="255px" border="0" class="img_whs13"></p>

<p class="whs12">&nbsp;</p>

<p class="whs12">By default the rotation point is located 
 in the Center of the bounding box of an object. </p>

<p class="whs12">&nbsp;</p>

<p class="whs12"><img src="../pics/set_rotation_point_dialog2.png" x-maintain-ratio="TRUE" width="410px" height="255px" border="0" class="img_whs13"></p>

<p class="whs12">&nbsp;</p>

<p class="whs12">Unchecking <span style="font-weight: bold;"><B>Use 
 Bounding Box Center</B></span> box allows you to define the coordinates of 
 the rotation point manually. </p>

<p class="whs12">&nbsp;</p>

<p class="whs12"><span style="font-weight: bold;"><B>Set to 
 Origin</B></span> button restores the default rotation point coordinates.</p>

<p class="whs12"><span style="font-weight: bold;"><B>Select 
 Point from View</B></span> button allows to select the rotation point in the 
 3D Viewer</p>

<ul type="disc" class="whs4">
	
	<li class=kadov-p><p class="whs1"><img src="../pics/image89.gif" x-maintain-ratio="TRUE" width="26px" height="26px" border="0" class="img_whs14"> <span style="font-weight: bold;"><B>Rotation</B></span> - allows 
 to rotate the selected object using the mouse. </p></li>
	
	<li class=kadov-p><p class="whs1"><img src="../pics/image102.gif" x-maintain-ratio="TRUE" width="78px" height="147px" border="0" class="img_whs15"> These buttons orientate the scene strictly about coordinate 
 axes.</p></li>
	
	<li class=kadov-p><p class="whs1"><img src="../pics/image91.gif" x-maintain-ratio="TRUE" width="26px" height="26px" border="0" class="img_whs14"> <span style="font-weight: bold;"><B>Reset</B></span> - restores 
 the default position (isometric) of objects in the scene.</p></li>
	
	<li class=kadov-p><p class="whs1"><img src="../pics/image108.gif" x-maintain-ratio="TRUE" width="28px" height="25px" border="0" class="img_whs16"> <span style="font-weight: bold;"><B>Scaling</B></span> - represents 
 objects deformed (stretched or stuffed) along the axes of coordinates</p></li>
	
	<li class=kadov-p><p class="whs1">&nbsp;<span 
 style="font-weight: bold;
		margin-top: 0pt;
		margin-bottom: 0pt;"><B><img src="../pics/image109.gif" x-maintain-ratio="TRUE" width="27px" height="27px" border="0" class="img_whs17">Graduated axes - </B></span><span style="margin-top: 0pt;
													margin-bottom: 0pt;
													font-weight: normal;">allows 
 to define parameters of axes and graduate them.</span></p></li>
</ul>

<p class="whs1">&nbsp;</p>

<p class="whs18"><img src="../pics/graduatedaxes1.png" x-maintain-ratio="TRUE" width="350px" height="453px" border="0" class="img_whs19"></p>

<ul type="disc" class="whs4">
	
	<li class=kadov-p><p class="whs20">Axis name </p></li>
	
	<li class=kadov-p><p class="whs21">Is visible - <span 
 style="font-weight: normal;">if checked the axis name is displayed in 
 the viewer.</span></p></li>
	
	<li class=kadov-p><p class="whs21">Name<span style="font-weight: normal;"> 
 - allows to redefine the name of the axis.</span></p></li>
	
	<li class=kadov-p><p class="whs21">Font<span style="font-weight: normal;"> 
 - allows to define color and properties of the font of axis name. </span></p></li>
	
	<li class=kadov-p><p class="whs22">Labels<span style="font-weight: normal;"> 
 </span></p></li>
	
	<li class=kadov-p><p class="whs21">Is visible - <span 
 style="font-weight: normal;">if checked the labels are displayed in the 
 viewer.</span></p></li>
	
	<li class=kadov-p><p class="whs21">Number<span style="font-weight: normal;"> 
 - allows to define the number of labels.</span></p></li>
	
	<li class=kadov-p><p class="whs21">Offset<span style="font-weight: normal;"> 
 - allows to define the distance between labels.</span></p></li>
	
	<li class=kadov-p><p class="whs21">Font<span style="font-weight: normal;"> 
 - allows to define color and properties of the font of labels names.</span></p></li>
	
	<li class=kadov-p><p class="whs23">Tick marks </p></li>
	
	<li class=kadov-p><p class="whs21">Is visible - <span 
 style="font-weight: normal;">if checked the tick marks are displayed in 
 the viewer.</span></p></li>
	
	<li class=kadov-p><p class="whs21">Length<span style="font-weight: normal;"> 
 - allows to define the length of tick marks</span></p></li>
	
	<li class=kadov-p><p class="whs23">Is visible <span style="font-weight: normal;">if 
 checked the axis is displayed in the viewer.</span></p></li>
</ul>

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