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      <title>Associativity</title>
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      <div class="title_topic2" id="xps10_pagetitle">Associativity</div>
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      <p class="para_topic">Associativity gives you the ability to tie together (link) separate pieces of information to aid in automating the design and manufacture of parts in NX.</p>
      <div class="title_division">Associativity between Objects</div>
      <p class="para_division">Associativity builds simultaneous links between any number of objects. For example, a line may be a member of a group, a part of a boundary, and the generating curve of a sheet body at the same time.</p>
      <div class="title_division">Drafting Object to Geometry or Position</div>
      <p class="para_division">In NX all drafting objects are associative. Drafting objects are linked to <em>geometry</em> so that they can be automatically updated. Some drafting objects, such as notes, crosshatching, and margins are associated to a  <em>position</em> rather than the geometry. Others, such as labels, ID symbols, forms and, positional tolerances can be associated to the geometry or to a position.
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      <div class="title_division">Objects to Parts or Views</div>
      <p class="para_division">Associativity is used when creating geometry in an application. For example, an object may be part of the model (in Modeling) or specifically linked to a single view (in Drafting). Display of the object can be controlled so that it appears in all views, only in a specific view, or in all but one view (view erased). A curve may be displayed in different fonts in one view without affecting the display in other views (view modified). Geometric modifications are reflected in all views.</p>
      <div class="title_division">Non-Geometric Information to Objects, Groups or Parts</div>
      <p class="para_division">Also associate non-geometric information with objects and parts. You can link any number of attributes to objects in order to record special characteristics of the objects.</p>
      <p class="para_division">There are two types of attributes: <em>system</em> and <em>user-defined</em>. System attributes are those which are recognized by the system and assigned by you. For example, when you assign a name to an object or a group to aid in the selection process, the system will recognize that name until you explicitly change it.
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      <p class="para_division">User-defined attributes are those which you create, but have no meaning to the system. For example, you may associate attribute information with a group of geometric objects so it can be treated as a component in an assembly.</p>
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