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modal:modal-analysis:animation [2026/10/13 19:26] – reid_go-ci.commodal:modal-analysis:animation [2026/10/15 15:54] (current) – [Merge Modes] reid_go-ci.com
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 ====== EMA Animation ====== ====== EMA Animation ======
  
-The **Animation** tab shows the results of the modal analysis. Here you review the modes in a shape (frequency, damping, and mode shape), animate each mode on the geometry model, check the modes with the Modal Assurance Criterion (MAC), and import, export, or merge shapes.+The **Animation** tab shows the results of the modal analysis. Here you review the modes (frequency, damping, and mode shape), animate each mode on the geometry model, check the modes with the Modal Assurance Criterion (MAC), and import, export, or merge shapes.
  
-EDM opens this tab automatically after you click **Calculate modes** in the Stability Diagram tab. +{{:modal:modal-analysis:animation_whole_screen.png?}}
- +
-FIXME **Screenshot:** The full Animation tab, with the Shape pane (MAC table, modal parameters, mode shape table) on the left and a mode animating on the geometry model on the right. +
-{{:ema:animation_overview.png|}}+
  
 The tab has two panes: The tab has two panes:
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 **NOTE:** You need a geometry model to animate the modes. Create or import it in the **Geometry** tab. The DOFs of the shape must use the point numbers and directions of the geometry. **NOTE:** You need a geometry model to animate the modes. Create or import it in the **Geometry** tab. The DOFs of the shape must use the point numbers and directions of the geometry.
- 
-**NOTE:** You cannot use this tab while a test is running. 
  
 ===== Choosing a Shape ===== ===== Choosing a Shape =====
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 ===== MAC ===== ===== MAC =====
  
-The Modal Assurance Criterion (MAC) compares two mode shapes and gives a value from 0 to 1. A value close to 1 means the shapes are the same. A value close to 0 means they are unrelated.+The Modal Assurance Criterion (MAC) compares two mode shapes and gives a value from 0 to 1. A value close to 1 means the shapes are the same. A value close to 0 means they are unrelated.  If two different shapes are closely related it points to them not being their own unique modes.
  
 **Calculate auto-MAC**- (Default) Compares each mode of the **First shape** with every other mode of the same shape. Use this to check that your modes are distinct. **Calculate auto-MAC**- (Default) Compares each mode of the **First shape** with every other mode of the same shape. Use this to check that your modes are distinct.
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 The MAC is calculated again automatically when you change the shape or the option. The MAC is calculated again automatically when you change the shape or the option.
  
-FIXME **Screenshot:** An auto-MAC table with green cells on the diagonal and green or yellow cells elsewhere. +{{:modal:modal-analysis:mac_table.png}}
-{{:ema:animation_auto_mac.png|}}+
  
-**Reading the MAC table**- Each row and column is one mode. The cells are colored to help you read the table:+**Reading the MAC table**
  
 ^ Cell ^ Green ^ Yellow ^ Red ^ ^ Cell ^ Green ^ Yellow ^ Red ^
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 **Display MAC chart**- Shows the MAC table as a 3D bar chart. Use **Default** to reset the view and **Export chart** to save the chart as a ''.png'' image. **Display MAC chart**- Shows the MAC table as a 3D bar chart. Use **Default** to reset the view and **Export chart** to save the chart as a ''.png'' image.
  
-FIXME **Screenshot:** The Modal Assurance Criterion window with the 3D MAC bar chart. +{{:modal:modal-analysis:mac.png?}}
-{{:ema:animation_mac_chart.png|}}+
  
 ===== Modal Parameters ===== ===== Modal Parameters =====
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 **NOTE:** Each DOF must have the format ''+1X'' or ''+1X:-2Y'', cannot be empty, and cannot be repeated. If a DOF is not valid, a red message is shown below the table. **NOTE:** Each DOF must have the format ''+1X'' or ''+1X:-2Y'', cannot be empty, and cannot be repeated. If a DOF is not valid, a red message is shown below the table.
  
-FIXME **Screenshot:** Close-up of the Modal parameters and Mode Shapes tables with one mode selected. +{{:modal:modal-analysis:mode_shapes_ad_param.png?}}
-{{:ema:animation_mode_tables.png|}}+
  
 ===== Right-Click Menu ===== ===== Right-Click Menu =====
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 Right-click anywhere in the Shape pane to open the menu. Right-click anywhere in the Shape pane to open the menu.
  
-FIXME **Screenshot:** The right-click menu open in the Shape pane. +{{:modal:modal-analysis:animation_right_click.png?}}
-{{:ema:animation_context_menu.png|}}+
  
 **Active Shape**- Makes this shape the active shape of the test. EDM shows //"Active shape named ..."//. **Active Shape**- Makes this shape the active shape of the test. EDM shows //"Active shape named ..."//.
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 The Animation pane shows the selected mode on the geometry model. Use the toolbar above the model to control the view and the animation. The Animation pane shows the selected mode on the geometry model. Use the toolbar above the model to control the view and the animation.
- 
-FIXME **Screenshot:** The Animation pane toolbar, with the main groups labeled (View, Display Settings, Animation Controls, Animation Settings, Utilities). 
-{{:ema:animation_toolbar.png|}} 
  
 **View**- **Zoom In**, **Zoom Out**, **Auto Scale**, **Rotate**, and **Translate** the model. **View**- **Zoom In**, **Zoom Out**, **Auto Scale**, **Rotate**, and **Translate** the model.
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   * **View**- Shows one model (**Single**) or two models side by side (**Left/Right**) or one above the other (**Upper/Lower**). Use the split views to compare two modes or two shapes. Click a view to show its shape and mode in the Shape pane.   * **View**- Shows one model (**Single**) or two models side by side (**Left/Right**) or one above the other (**Upper/Lower**). Use the split views to compare two modes or two shapes. Click a view to show its shape and mode in the Shape pane.
   * **Interpolation**- Moves the points that were not measured, based on the measured points around them.   * **Interpolation**- Moves the points that were not measured, based on the measured points around them.
-  * **Smooth**- Draws the surfaces smoothly. 
   * **Contour**- Colors the model by the size of the motion.   * **Contour**- Colors the model by the size of the motion.
   * **Node Lines**- Shows the lines where the mode has no motion.   * **Node Lines**- Shows the lines where the mode has no motion.
-  * **Orbit**- Traces the path of selected points. 
-  * **Arrows**- Shows the direction of the motion. 
  
-**Utilities**- **Save Image** saves a picture of the model. **Save Video** saves the animation as a ''.gif'' or ''.avi'' file.+{{:modal:modal-analysis:left_right_contour.png}}
  
-FIXME **Screenshot:** A Left/Right split view comparing two modes, with Contour selected. 
-{{:ema:animation_split_view.png|}} 
  
-FIXME Confirm the 3D toolbar names against the current software, and add any options most users need that are missing here. 
  
 ===== Merge Modes ===== ===== Merge Modes =====
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 Click **Merge Modes** in the Shape pane to open the **Merge Modes** window. Click **Merge Modes** in the Shape pane to open the **Merge Modes** window.
  
-FIXME **Screenshot:** The Merge Modes window with two partial mode sets added and one set as the target. +{{:modal:modal-analysis:merge_modes.png?}}
-{{:ema:animation_merge_modes.png|}}+
  
 To merge mode sets: To merge mode sets:
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   * The partial sets cannot have the same DOFs. Each DOF must be measured in only one set.   * The partial sets cannot have the same DOFs. Each DOF must be measured in only one set.
   * You must add at least two sets and choose a target.   * You must add at least two sets and choose a target.
- 
-FIXME The tolerance check in Merge Modes currently treats the % value as a fraction (the default 1% allows a 100% difference). Confirm the intended behavior with development before publishing the tolerance description. 
  
 **TIP:** Use the same reference point, the same frequency band, and the same poles (as close as possible) for every partial set. Then check the merged shape with an auto-MAC. **TIP:** Use the same reference point, the same frequency band, and the same poles (as close as possible) for every partial set. Then check the merged shape with an auto-MAC.