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      <title>How to Use the Face Analysis Dialogs</title>
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      <div class="title_topic4" id="xps10_pagetitle">How to Use the Face Analysis Dialogs</div>
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      <p class="para_topic">To use the Face Analysis dialogs:</p>
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               <p class="para_td">1</p>
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               <p class="para_td">Select one or more faces to analyze.</p>
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               <p class="para_td">2</p>
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               <p class="para_td">If performing radius analysis, select the Analysis type.</p>
               <p class="para_td">Analysis variables include Gaussian Radius, Mean Radius, Minimum Radius, Maximum Radius, Normal Radius, Sectional Radius, U, or V.</p>
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               <p class="para_td">3</p>
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               <p class="para_td">For Normal Radius and Slope analyses types, select a reference vector using the Specify Reference Vector option.</p>
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               <p class="para_td">4</p>
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               <p class="para_td">For Sectional Radius and Distance analyses types, select a reference plane using the Specify Reference Plane option.</p>
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               <p class="para_td">5</p>
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               <p class="para_td">For Radius, Slope, and Distance analyses, select a display type. Display types include Fringe, Hedgehog, and Contour Lines.</p>
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               <p class="para_td">6</p>
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               <p class="para_td">To display the analysis, click on Apply.</p>
               <p class="para_td">If not already set, the Display Mode automatically changes to Face Analysis.</p>
               <p class="para_td">When you exit the Face Analysis dialog, the selected surfaces retain the analysis display.</p>
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      </table><br><div class="title_division">Analyzing the Results</div>
      <p class="para_division">For the Fringe, Hedgehog, and Contour Display types, the analysis is visualized as variations in color on the selected surfaces.</p>
      <div class="title_division">Using the Color Legend</div>
      <p class="para_division">NX also displays a vertical color legend on the right side of the graphics window. The analysis assigns a color to each range of values for the analysis variables. If the analysis variable is constant, the color analysis and color legend are one color. If there is variation, there are a number of colors.</p>
      <div class="title_division">Toggling the Display Analysis On and Off</div>
      <p class="para_division">To toggle the color surface display analysis on and off:</p>
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               <p class="para_td">*</p>
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               <p class="para_td">Change the Display Mode to or from Face Analysis.</p>
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      </table><br><div class="title_division">De-Selecting Faces for Surface Analysis</div>
      <p class="para_division">To de-select faces for surface analysis:</p>
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               <p class="para_td">*</p>
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               <p class="para_td">Press and hold down the Shift key and select the faces again.</p>
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      </table><br><p class="para_division">If necessary, to identify which faces are selected, use the Re-highlight Faces button.</p>
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