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      <title>Edit KeyFrame Dialog</title>
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      <div class="title_topic6" id="xps10_pagetitle">Edit KeyFrame Dialog</div>
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               <p class="para_td"> Option</p>
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               <p class="para_td"> Description</p>
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               <p class="para_td"> Name</p>
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               <p class="para_td"> Displays the name of the currently selected key frame. To change the name, enter a new name in the Name field and click Apply. Key frame names should be unique within a trajectory, and can be from 1 to 12 characters in length. It is not mandatory that you enter a name for each key frame, as the system will assign one by default.</p>
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               <p class="para_td"> Steps</p>
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               <p class="para_td"> The number of steps specified for a key frame determines the number of interpolated, or &quot;in-between&quot; frames.</p>
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               <p class="para_td"> Pauses</p>
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               <p class="para_td"> To make the animation linger before proceeding, you can insert pauses at a key frame point. A single pause is equivalent to the processing of a single interpolated frame. Must be a positive integer.</p>
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               <p class="para_td"> Orientation</p>
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               <p class="para_td"> You can set the camera orientation (Orientation Vector) at a key frame point by using one of two methods:  </p>
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                        <p class="para_td"> Orientation Method</p>
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                        <p class="para_td"> Description</p>
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                        <p class="para_td"> Tangential</p>
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                        <p class="para_td"> In the Tangential mode, the orientation follows the trajectory profile.</p>
                        <p class="para_td"> For the view, the tangent vector at the key frame point is used for the Z axis. The view up vector is used for the Y axis if the trajectory profile curves are non planar. If the profile curves are planar then the plane normal is used for the Y axis.</p>
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                        <p class="para_td"> Look At Point</p>
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                        <p class="para_td"> In this mode, you select an object (a solid, face, edge, point or curve) to look at, from the selected key frame.</p>
                        <p class="para_td"> For the view, this direction is used for the Z axis. The view up vector is used for the Y axis if the trajectory profile curves are non planar. If the profile curves are planar then the plane normal is used for the Y axis.</p>
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               <p class="para_td"> Roll Angle</p>
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               <p class="para_td"> Allows you to enter an angle for a key frame that specifies a degree of rotation about the camera orientation vector. This can produce the effect of an in-flight bank between turns along the trajectory path.</p>
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               <p class="para_td"> Select Solid Only Look At Point</p>
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               <p class="para_td"> Specifies that only solid objects are selectable as Look At Points.</p>
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               <p class="para_td"> Set Up Camera</p>
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               <p class="para_td"> Edits Frame0. Frame0 is a special key frame that is used to set up the basic camera settings for the entire trajectory. You can change the View Up Vector setting using the Reverse Up Vector button and the focus (the perspective and field of view).</p>
               <p class="para_td"> You can easily change the focus settings for Frame0 by turning ON the Navigate mode from the  <em>Quick-View Pop Up</em> menu and then dragging the mouse with &lt;Control&gt;&lt;Shift&gt;MB1 held down. Dragging the mouse forward increases the field of view, letting you see more, thus making the object appear smaller.
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               <p class="para_td"> The Name, Steps, Pauses and Orientation options are all disabled when in the Set Up Camera mode.</p>
               <p class="para_td"> Click Apply to save the new Frame0 settings.</p>
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               <p class="para_td"> Add</p>
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               <p class="para_td"> Adds a key frame point to the path of the current trajectory profile. Choosing the option highlights the trajectory, with all existing key frame points displayed as markers in the system color.</p>
               <p class="para_td"> You are prompted by the  <em>Point Constructor</em> menu to select a point on the trajectory for the new key frame point. The x, y, z location of the new key frame point becomes the &quot;eye point.&quot;
               </p>
               <p class="para_td"> If the Look At Point toggle was on when you selected the new key frame point, you are prompted to select an object for the &quot;look at point.&quot;</p>
               <p class="para_td"> Once you have completed the settings, the view will snap to the new orientation to allow you to preview it. If you accept the orientation, click on the Apply button. The new key frame becomes part of the animation and the view snaps back to the original orientation to allow you continue setting more key frame points.</p>
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               <p class="para_td"> Delete</p>
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               <p class="para_td"> Clicking the Delete button prompts you to select a key frame point to remove from the trajectory. Once you have selected the key frame point you want to delete, click the Apply button.</p>
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               <p class="para_td"> Edit</p>
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               <p class="para_td"> Allows you to edit the settings of an existing key frame point. When you click Edit, the system prompts you to select a key frame point. Once selected, the Edit Key Frame dialog is updated with the current settings of the selected key frame; its name, number of steps, number of pauses and the camera orientation. Once the new settings for the key frame are changed to your satisfaction click on Apply to save them.</p>
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               <p class="para_td"> Redisplay Points</p>
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               <p class="para_td"> While editing key frames, the key frame points and the trajectory are highlighted. If this highlighting is erased during other operations, Refresh for example, you can redisplay them using the Redisplay Points option.</p>
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               <p class="para_td"> Reverse Up Vector</p>
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               <p class="para_td"> Becomes available only while editing Frame0 using the Set Up Camera option. You can reverse the direction of the Up Vector for Frame0, and consequently the entire trajectory, by clicking this button.</p>
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