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      <title>Tolerance Stackup Validation Measurement</title>
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      <div class="title_topic1" id="xps10_pagetitle">Tolerance Stackup Validation Measurement</div>
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      <p class="para_topic">When you choose the <b class="uiTerm">Measurement</b> icon from the <b class="uiTerm">Tolerance Stackup Validation</b> toolbar, the <b class="uiTerm">Measurement</b> dialog box appears:
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               <p class="para_th">Option</p>
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               <p class="para_th">Description</p>
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               <p class="para_td"><b class="uiTerm">Measurement</b> list box
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               <p class="para_td">Lists the existing measurements. You can select one or more measurements from this list box, but <b class="uiTerm">Delete</b> is the only available option for multiple measurements.
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               <p class="para_td"><b class="uiTerm">Name</b></p>
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               <p class="para_td">If a measurement is highlighted in the <b class="uiTerm">Measurement</b> list box, that measurement's name appears here. Otherwise, the Name field contains the name of the next measurement that will be created. (You can enter a different name to be applied to the next measurement, if you wish.)
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               <p class="para_td"><b class="uiTerm">Description</b></p>
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               <p class="para_td">(Optional) Lets you enter a textual description for a selected measurement.</p>
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               <p class="para_td">measurement type</p>
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               <p class="para_td">Specifies the type of measurement, depending on the objects being measured.</p>
               <p class="para_td">Use <b class="uiTerm">Point</b> to measure the behavior of a single point along a direction vector.
               </p>
               <p class="para_td">If the objects are two faces, you can measure either their linear or angular distance (<b class="uiTerm">Distance</b> or <b class="uiTerm">Angle</b>).
               </p>
               <p class="para_td">If you are measuring a hole and pin feature, you can choose either <b class="uiTerm">Minimum Virtual Clearance</b> or <b class="uiTerm">Maximum Virtual Clearance</b>.
               </p>
               <p class="para_td">The minimum and maximum virtual clearance are the minimum and maximum values of the clearance or interference generated by the collective effects of a feature's size (or features' sizes), geometric tolerancing, and mating conditions.</p>
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               <p class="para_td"><b class="uiTerm">Coordinate</b></p>
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               <p class="para_td">(Available for the <b class="uiTerm">Point</b> measurement type) Lets you specify whether the measurement should use the <b class="uiTerm">X</b>, <b class="uiTerm">Y</b>, or <b class="uiTerm">Z</b> coordinate for your selected point.
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               <p class="para_td">Selection steps</p>
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               <p class="para_td"><img align="bottom" src="../graphic_library/icons/dialogs/analysis/measurement_tsv/from_face.gif" border="0"></p>
               <p class="para_td"><b class="uiTerm">From Face</b></p>
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               <p class="para_td">Lets you select the first face used in the measurement. When you select the face, a point appears in the middle of the face; this point will be one end of the measurement.</p>
               <p class="para_td">See <a class="links" href="javascript:void(0)" onclick="top.openFile('quickstack/meas_positn_effect.html');return(false);">Measurement Position Effect</a> for an example of how different points on the same faces can cause different results.
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               <p class="para_td"><img align="bottom" src="../graphic_library/icons/dialogs/analysis/measurement_tsv/from_point.gif" border="0"></p>
               <p class="para_td"><b class="uiTerm">From Point</b></p>
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               <p class="para_td">(Optional) If you want the measurement to be made from a different point than the default (created with <b class="uiTerm">From Face</b>), choose the <b class="uiTerm">From Point</b> option and specify the point that you want.
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               <p class="para_td"><img align="bottom" src="../graphic_library/icons/dialogs/analysis/measurement_tsv/to_face.gif" border="0"></p>
               <p class="para_td"><b class="uiTerm">To Face</b></p>
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               <p class="para_td">Lets you select the second face used in the measurement. The default point appears in the middle of the face. This is the other end of the measurement, unless you use the <b class="uiTerm">To Point</b> option to select a different point, or specify a direction vector that places the measurement's end at a different point.
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               <p class="para_td"><img align="bottom" src="../graphic_library/icons/dialogs/analysis/measurement_tsv/to_point.gif" border="0"></p>
               <p class="para_td"><b class="uiTerm">To Point</b></p>
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               <p class="para_td">(Optional) If you want the second end of the measurement to be a different point than the default (created with <b class="uiTerm">To Face</b>), choose the <b class="uiTerm">To Point</b> option and specify the point that you want.
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               <p class="para_td"><img align="bottom" src="../graphic_library/icons/dialogs/analysis/measurement_tsv/direction_vector.gif" border="0"></p>
               <p class="para_td"><b class="uiTerm">Direction Vector</b></p>
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               <p class="para_td">(Optional) Lets you specify the direction of measurement if you do not want to use the default (from the point on the first selected face to the point on the second selected face).</p>
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               <p class="para_td">Other options</p>
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               <p class="para_td"><b class="uiTerm">Delete</b></p>
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               <p class="para_td">Deletes one or more selected measurements.</p>
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               <p class="para_td"><b class="uiTerm">Create Copy</b></p>
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               <p class="para_td">Lets you create multiple measurements along the same two faces. Multiple measurements may have different measurement points or directions, or both.</p>
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