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visual3d:documentation:modeling:coordinate_system [2025/07/30 18:01] – sgrangervisual3d:documentation:modeling:coordinate_system [2025/07/30 18:06] (current) – sgranger
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 |**For example of Method 3, create the left shank segment with the following definition:** \\ **3. Create Left Shank Segment:** \\ In the **Segments** tab, select //Left Shank// in the Segment Name box. \\ Click on the **Create Segment** button. \\ In the **LSK_3** tab, enter these values: \\ **Define Proximal Joint and Radius** \\ **Lateral:** //None// **Joint:** //LKJC// **Medial:** //None// \\ **Radius:** //0.5*DISTANCE(LLK,LMK)// \\ **Define Distal Joint and Radius** \\ **Lateral:** //LLA// **Joint:** //None// **Medial:** //None// \\ **Radius:** //0.5*DISTANCE(LLA,LMA)// \\ **Extra Target to Define Orientation** \\ **Location:** //Lateral// //LSK// \\ **Select Tracking Targets:** \\ //LLA//, //LLK//, //LMA//, //LMK//, //LSK// \\ Click on **Build Model.** A 3D image of a shank will appear in the 3D viewer. \\ Click on **Close Tab** before proceeding. | {{:SegmentDefinition_ProxJC_DistLat.jpg}}| |**For example of Method 3, create the left shank segment with the following definition:** \\ **3. Create Left Shank Segment:** \\ In the **Segments** tab, select //Left Shank// in the Segment Name box. \\ Click on the **Create Segment** button. \\ In the **LSK_3** tab, enter these values: \\ **Define Proximal Joint and Radius** \\ **Lateral:** //None// **Joint:** //LKJC// **Medial:** //None// \\ **Radius:** //0.5*DISTANCE(LLK,LMK)// \\ **Define Distal Joint and Radius** \\ **Lateral:** //LLA// **Joint:** //None// **Medial:** //None// \\ **Radius:** //0.5*DISTANCE(LLA,LMA)// \\ **Extra Target to Define Orientation** \\ **Location:** //Lateral// //LSK// \\ **Select Tracking Targets:** \\ //LLA//, //LLK//, //LMA//, //LMK//, //LSK// \\ Click on **Build Model.** A 3D image of a shank will appear in the 3D viewer. \\ Click on **Close Tab** before proceeding. | {{:SegmentDefinition_ProxJC_DistLat.jpg}}|
  
-|\\ **When using a proximal joint center and the lateral distal target to define the segment:**\\ 1) Define the anatomical plane (purple triangle) using the three targets\\ 2) Draw a circle with radius "Rd" around the lateral distal target\\ ^D^ 3) Draw a vector from the proximal joint center that forms a right angle with the radius of the circle\\ 4) The joint center is at the location where the two vectors meet\\ \\   |  {{:SegmentDefinition_ProxJC_DistLat_ppt.jpg}}|+| **When using a proximal joint center and the lateral distal target to define the segment:** \\ 1) Define the anatomical plane (purple triangle) using the three targets \\ 2) Draw a circle with radius "Rd" around the lateral distal target \\ 3) Draw a vector from the proximal joint center that forms a right angle with the radius of the circle \\ 4) The joint center is at the location where the two vectors meet \\ |{{:SegmentDefinition_ProxJC_DistLat_ppt.jpg}}|
  
 ==== Method 4 ==== ==== Method 4 ====
visual3d/documentation/modeling/coordinate_system.1753898508.txt.gz · Last modified: 2025/07/30 18:01 by sgranger