User Tools

Site Tools


visual3d:documentation:modeling:landmarks:landmarks_overview

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision
Previous revision
visual3d:documentation:modeling:landmarks:landmarks_overview [2024/06/26 20:23] – created sgrangervisual3d:documentation:modeling:landmarks:landmarks_overview [2024/07/17 15:45] (current) – created sgranger
Line 1: Line 1:
-====== Landmarks_Overview ======+====== Landmarks Overview ======
  
 **This page has been updated, but the original page can be found [[Visual3D:Documentation:Modeling:Landmarks:Landmark_Types|here]].** **This page has been updated, but the original page can be found [[Visual3D:Documentation:Modeling:Landmarks:Landmark_Types|here]].**
Line 19: Line 19:
   - LKJC: Left knee joint centre (landmark)   - LKJC: Left knee joint centre (landmark)
  
-{{Landmark_MarkerSet.png}}+{{:Landmark_MarkerSet.png}}
  
 ===== General Options ===== ===== General Options =====
Line 35: Line 35:
 === 1. Define Orientation Using === === 1. Define Orientation Using ===
  
-|Landmarks can be defined relative to a target, along a line, on a plane, or as a projection onto a line or a plane.\\ \\ Landmarks can be defined in lab space, or in a segment coordinate system.  |  {{landmark_defineUsing.png}}|+|Landmarks can be defined relative to a target, along a line, on a plane, or as a projection onto a line or a plane.\\ \\ Landmarks can be defined in lab space, or in a segment coordinate system.  |  {{:landmark_defineUsing.png}}|
  
 === 2. Landmark Offset from Start Point (Reference) or Segment Origin === === 2. Landmark Offset from Start Point (Reference) or Segment Origin ===
Line 43: Line 43:
 == 2a. Offset to Existing Calibration Target or Landmark == == 2a. Offset to Existing Calibration Target or Landmark ==
  
-|The Offset to Existing Calibration Target or Landmark option allows users to get the location of a target (or landmark) relative to a plane or segment coordinate system. The offsets are populated automatically. This option can be used any time all three offsets can be specified, but it is only described as a special type for Type 4 since this is a crucial example.  |  {{OffsetExisting.png}}|+|The Offset to Existing Calibration Target or Landmark option allows users to get the location of a target (or landmark) relative to a plane or segment coordinate system. The offsets are populated automatically. This option can be used any time all three offsets can be specified, but it is only described as a special type for Type 4 since this is a crucial example.  |  {{:OffsetExisting.png}}|
  
 == 2b. Offset Using the Following ML/AP/AXIAL Offsets == == 2b. Offset Using the Following ML/AP/AXIAL Offsets ==
  
-|Offsets should be specified in meters unless "Offset by Percent" is checked.\\ \\ Offsets can be specified as [[Visual3D:Documentation:Pipeline:Expressions:Overview|Expressions]].  |  {{OffsetUsing.png}}|+|Offsets should be specified in meters unless "Offset by Percent" is checked.\\ \\ Offsets can be specified as [[Visual3D:Documentation:Pipeline:Expressions:Expressions_Overview|Expressions]].  |  {{:OffsetUsing.png}}|
  
 === 3. Calibration Only Landmark === === 3. Calibration Only Landmark ===
Line 65: Line 65:
 === Type 1a: In LAB Space === === Type 1a: In LAB Space ===
  
-|{{Landmark_Type4_image.png}}  |A landmark defined in LAB space.  |+|{{:Landmark_Type4_image.png}}  |A landmark defined in LAB space.  |
  
 \\ \\
Line 72: Line 72:
 **Sample Landmark Definition** (click to expand) **Sample Landmark Definition** (click to expand)
  
-|**1. Create Relative_Axes:**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //Relative_Axes//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //Relative_Axes//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Existing Segment:** //Lab//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>Offset Using the Following **ML/AP/AXIAL** Offsets:\\    **X:** //LAJC::X//    **Y:** //LAJC::Y//    **Z:** //0.0//<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{Landmark_Type4_Definition.jpg}}|+|**1. Create Relative_Axes:**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //Relative_Axes//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //Relative_Axes//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Existing Segment:** //Lab//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>Offset Using the Following **ML/AP/AXIAL** Offsets:\\    **X:** //LAJC::X//    **Y:** //LAJC::Y//    **Z:** //0.0//<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{:Landmark_Type4_Definition.jpg}}|
  
  
Line 80: Line 80:
 **Example Using Starting Point** (click to expand) **Example Using Starting Point** (click to expand)
  
-|Landmarks can be created as an offset from the specified marker in a segment coordinate system or in the LAB coordinate system. **vRLK** that is created from **RLK** as an offset in the x direction in the LAB coordinate system.  |  {{landmark_point_relative_to_target.jpg}}|+|Landmarks can be created as an offset from the specified marker in a segment coordinate system or in the LAB coordinate system. **vRLK** that is created from **RLK** as an offset in the x direction in the LAB coordinate system.  |  {{:landmark_point_relative_to_target.jpg}}|
  
  
Line 96: Line 96:
 === Type 1b: In a Segment Coordinate System === === Type 1b: In a Segment Coordinate System ===
  
-|{{Landmark_Type6_image.png}}  |Landmarks can be created relative to a segment (in the segment coordinate system).  |+|{{:Landmark_Type6_image.png}}  |Landmarks can be created relative to a segment (in the segment coordinate system).  |
  
 \\ \\
Line 103: Line 103:
 **Sample Landmark Definition** (click to expand) **Sample Landmark Definition** (click to expand)
  
-|**1. Create Relative_Segment:**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //Relative_Segment//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //Relative_Segment//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Existing Segment:** //Left Shank//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>Offset Using the Following **ML/AP/AXIAL** Offsets:\\    **X:** //0.0//    **Y:** //0.0//    **Z:** //-1//<HTML></li></HTML>\\ <HTML><li></HTML>**Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{Landmark_Type6_Definition.jpg}}|+|**1. Create Relative_Segment:**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //Relative_Segment//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //Relative_Segment//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Existing Segment:** //Left Shank//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>Offset Using the Following **ML/AP/AXIAL** Offsets:\\    **X:** //0.0//    **Y:** //0.0//    **Z:** //-1//<HTML></li></HTML>\\ <HTML><li></HTML>**Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{:Landmark_Type6_Definition.jpg}}|
  
  
Line 124: Line 124:
 **Sample Landmark Definition** (click to expand) **Sample Landmark Definition** (click to expand)
  
-|**1. Create RTH_Origin:** This will create a Landmark at the position of the Rotation signal RTH4x4\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //RTH_Origin//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //RTH_Origin//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Existing Coordinate System:** //RTH4X4//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>Offset Using the Following **ML/AP/AXIAL** Offsets:\\    **X:** //0.0//    **Y:** //0.0//    **Z:** //0.0//<HTML></li></HTML>\\ <HTML><li></HTML>**Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{Landmark_Type1c_Definition.jpg}}|+|**1. Create RTH_Origin:** This will create a Landmark at the position of the Rotation signal RTH4x4\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //RTH_Origin//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //RTH_Origin//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Existing Coordinate System:** //RTH4X4//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>Offset Using the Following **ML/AP/AXIAL** Offsets:\\    **X:** //0.0//    **Y:** //0.0//    **Z:** //0.0//<HTML></li></HTML>\\ <HTML><li></HTML>**Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{:Landmark_Type1c_Definition.jpg}}|
  
  
 ==== Type 2: On a Line ==== ==== Type 2: On a Line ====
  
-|{{Landmark_Type1_image.png}}  |A landmark can be defined along a line.  |+|{{:Landmark_Type1_image.png}}  |A landmark can be defined along a line.  |
  
 \\ \\
Line 136: Line 136:
 **Sample Landmark Definition** (click to expand) **Sample Landmark Definition** (click to expand)
  
-|**1. Create Point_Line:**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //Point_Line//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //Point_Line//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Starting Point:** //LLK//\\    **Ending Point:** //LMK//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>Offset Using the Following **AXIAL** Offset: //0.5//<HTML></li></HTML>\\ <HTML><li></HTML>**Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{Landmark_Type1_Definition.jpg}}|+|**1. Create Point_Line:**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //Point_Line//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //Point_Line//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Starting Point:** //LLK//\\    **Ending Point:** //LMK//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>Offset Using the Following **AXIAL** Offset: //0.5//<HTML></li></HTML>\\ <HTML><li></HTML>**Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{:Landmark_Type1_Definition.jpg}}|
  
  
Line 144: Line 144:
 **Create landmark as a midpoint** (click to expand) **Create landmark as a midpoint** (click to expand)
  
-|The landmark **RKnee** is a point that is halfway between the lateral and medial knee markers **RLK** and **RMK**.\\ \\ The point on a line can be defined as a distance in percentage or distance in meters. When **Offset by Percent** is checked, the distance is defined as a percentage.\\ \\ **Note:** When using a Point on a Line landmark, only the AXIAL offset is used.  |  {{landmark_point_on_line.jpg}}|+|The landmark **RKnee** is a point that is halfway between the lateral and medial knee markers **RLK** and **RMK**.\\ \\ The point on a line can be defined as a distance in percentage or distance in meters. When **Offset by Percent** is checked, the distance is defined as a percentage.\\ \\ **Note:** When using a Point on a Line landmark, only the AXIAL offset is used.  |  {{:landmark_point_on_line.jpg}}|
  
  
Line 154: Line 154:
 === Type 3a: On a Plane using manual offsets === === Type 3a: On a Plane using manual offsets ===
  
-|{{Landmark_Type2_image.png}}  |Landmarks can be created relative to a plane or technical coordinate system.  |+|{{:Landmark_Type2_image.png}}  |Landmarks can be created relative to a plane or technical coordinate system.  |
  
 **Sample Landmark Definition** (click to expand) **Sample Landmark Definition** (click to expand)
  
-|**1. Create LAND:**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //LAND//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //LAND//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Starting Point:** //P1//\\    **Ending Point:** //P2//\\    **Lateral Object:** //P3//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>Offset Using the Following **ML/AP/AXIAL** Offsets:\\    **X:** //0.01//    **Y:** //0.02//    **Z:** //0.01//<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{landmark3a.jpg}}|+|**1. Create LAND:**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //LAND//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //LAND//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Starting Point:** //P1//\\    **Ending Point:** //P2//\\    **Lateral Object:** //P3//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>Offset Using the Following **ML/AP/AXIAL** Offsets:\\    **X:** //0.01//    **Y:** //0.02//    **Z:** //0.01//<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{:landmark3a.jpg}}|
  
-|A right handed orthogonal coordinate system is defined by the three points (P1, P2, P3).\\ \\ The origin of the coordinate system is at the point P1. The **frontal plane** of the coordinate system is defined by the three points. The positive AP direction is into the screen.  |  {{landmark3b.jpg}}|+|A right handed orthogonal coordinate system is defined by the three points (P1, P2, P3).\\ \\ The origin of the coordinate system is at the point P1. The **frontal plane** of the coordinate system is defined by the three points. The positive AP direction is into the screen.  |  {{:landmark3b.jpg}}|
  
  
Line 168: Line 168:
   * [[Visual3D:Documentation:Modeling:Landmarks:Digitizing_Pointer|Digitized Landmarks]] are stored and tracked relative to tracking targets   * [[Visual3D:Documentation:Modeling:Landmarks:Digitizing_Pointer|Digitized Landmarks]] are stored and tracked relative to tracking targets
   * [[Visual3D:Documentation:Modeling:Functional_Joints:Functional_Joints|Functional Landmarks (Joints)]] are stored and tracked relative to tracking targets   * [[Visual3D:Documentation:Modeling:Functional_Joints:Functional_Joints|Functional Landmarks (Joints)]] are stored and tracked relative to tracking targets
-  * [[Visual3D:Documentation:Modeling:Muscles:Overview|Muscle]] insertion points are stored and tracked relative to tracking targets+  * [[Visual3D:Documentation:Modeling:Muscles:Muscles_Overview|Muscle]] insertion points are stored and tracked relative to tracking targets
  
 === Type 3b: On a Plane using target/landmark offsets === === Type 3b: On a Plane using target/landmark offsets ===
  
-|{{Landmark_Type7_image.png}}  |Create a landmark relative to three targets. The offset of the landmark is defined using the location of a target relative to the three targets during the static trial.  |+|{{:Landmark_Type7_image.png}}  |Create a landmark relative to three targets. The offset of the landmark is defined using the location of a target relative to the three targets during the static trial.  |
  
 \\ \\
Line 179: Line 179:
 **Landmark Definition** (click to expand) **Landmark Definition** (click to expand)
  
-|**1. Create Relative_Tracking:**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //Relative_Tracking//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //Relative_Tracking//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Starting Point:** //LLK//\\    **Ending Point:** //LMK//\\    **Lateral Object:** //LSK//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>Offset to Existing Calibration Target or Landmark: //LKJC//<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{Landmark_Type7_Definition.jpg}}|+|**1. Create Relative_Tracking:**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //Relative_Tracking//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //Relative_Tracking//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Starting Point:** //LLK//\\    **Ending Point:** //LMK//\\    **Lateral Object:** //LSK//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>Offset to Existing Calibration Target or Landmark: //LKJC//<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{:Landmark_Type7_Definition.jpg}}|
  
  
Line 187: Line 187:
 **Example 1** (click to expand) **Example 1** (click to expand)
  
-|To define a landmark as a point on a plane defined by 3 points\\ \\ * Select the Targets and/or Landmarks radio button\\ * Select three targets and/or landmarks for the Reference/Axial Starting Point, Axial Ending Point and lateral object.\\ \\ The landmark/target reference offset is also selected.\\ \\ The **RKnee** calibration only landmark is the point that is being tracked by 3 target markers on the thigh **RTH1**, **RTH2**, and **RTH3**.  |  {{landmark_point_in_a_plane.jpg}}|+|To define a landmark as a point on a plane defined by 3 points\\ \\ * Select the Targets and/or Landmarks radio button\\ * Select three targets and/or landmarks for the Reference/Axial Starting Point, Axial Ending Point and lateral object.\\ \\ The landmark/target reference offset is also selected.\\ \\ The **RKnee** calibration only landmark is the point that is being tracked by 3 target markers on the thigh **RTH1**, **RTH2**, and **RTH3**.  |  {{:landmark_point_in_a_plane.jpg}}|
  
  
Line 202: Line 202:
  
 A target or landmark may be projected onto a line defined by two points.\\ A target or landmark may be projected onto a line defined by two points.\\
-{{Landmark_Type3_image.png}} {{Landmark_Type3_image_AltView.png}}\\+{{:Landmark_Type3_image.png}} {{:Landmark_Type3_image_AltView.png}}\\
  
  
 **Landmark Definition** (click to expand) **Landmark Definition** (click to expand)
  
-|**1. Create Project_Line:**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //Project_Line//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //Project_Line//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Starting Point:** //LLK//\\    **Ending Point:** //LMK//\\    **Project From:** //LTUB//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{Landmark_Type3_Definition.jpg}}|+|**1. Create Project_Line:**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //Project_Line//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //Project_Line//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Starting Point:** //LLK//\\    **Ending Point:** //LMK//\\    **Project From:** //LTUB//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{:Landmark_Type3_Definition.jpg}}|
  
  
Line 215: Line 215:
 **Project the heel target onto the line defined by the mediolateral ankle targets** (click to expand) **Project the heel target onto the line defined by the mediolateral ankle targets** (click to expand)
  
-|Point projection onto a line can be used at the shoulder to project a lateral target on to a vertical line passing through the acromium or it can be used at the knee to project lateral or medial targets on a functional axis.\\ \\ The **RAnkleCenter** is the point that is created by projecting the **RHL** heel marker onto the line created from the lateral and medial ankle markers **RLA** and **RMA**.  |  {{landmark_point_projected_onto_a_line.jpg}}|+|Point projection onto a line can be used at the shoulder to project a lateral target on to a vertical line passing through the acromium or it can be used at the knee to project lateral or medial targets on a functional axis.\\ \\ The **RAnkleCenter** is the point that is created by projecting the **RHL** heel marker onto the line created from the lateral and medial ankle markers **RLA** and **RMA**.  |  {{:landmark_point_projected_onto_a_line.jpg}}|
  
  
Line 226: Line 226:
  
 A point can be projected onto a plane defined by three points.\\ A point can be projected onto a plane defined by three points.\\
-{{Landmark_Type5_image.png}} {{Landmark_Type5_image_AltView.png}}\\+{{:Landmark_Type5_image.png}} {{:Landmark_Type5_image_AltView.png}}\\
  
  
 **Landmark Definition** (click to expand) **Landmark Definition** (click to expand)
  
-|**1. Create Project_Plane:**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //Project_Plane//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //Project_Plane//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Starting Point:** //LLK//\\    **Ending Point:** //LMK//\\    **Lateral object:** //LMK//\\    **Project From:** //LTUB//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{Landmark_Type5_Definition.jpg}}|+|**1. Create Project_Plane:**\\ \\ <HTML><ol></HTML>\\ <HTML><li></HTML>Click **Landmarks** button<HTML></li></HTML>\\ <HTML><li></HTML>Click **Add New Landmark** button<HTML></li></HTML>\\ <HTML><li></HTML>Create Landmark: //Project_Plane//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //Project_Plane//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Starting Point:** //LLK//\\    **Ending Point:** //LMK//\\    **Lateral object:** //LMK//\\    **Project From:** //LTUB//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML><HTML></ol></HTML>  |  {{:Landmark_Type5_Definition.jpg}}|
  
  
Line 239: Line 239:
 **Example: Project the iliac crest target onto the plane defined by the R/LASIS and RPSIS** (click to expand) **Example: Project the iliac crest target onto the plane defined by the R/LASIS and RPSIS** (click to expand)
  
-|By projecting multiple landmarks onto the same plane you can build segment coordinates systems in a specific plane.\\ \\ The **RPPinPlane** is the point that is created by projecting the **RPP** marker on the illiac crest onto the plane created from the right and left ASIS's (**RASI**,**LASI**) and the right PSIS **RPS** marker.  |  {{landmark_point_projected_onto_a_plane.jpg}}|+|By projecting multiple landmarks onto the same plane you can build segment coordinates systems in a specific plane.\\ \\ The **RPPinPlane** is the point that is created by projecting the **RPP** marker on the illiac crest onto the plane created from the right and left ASIS's (**RASI**,**LASI**) and the right PSIS **RPS** marker.  |  {{:landmark_point_projected_onto_a_plane.jpg}}|
  
  
visual3d/documentation/modeling/landmarks/landmarks_overview.1719433397.txt.gz · Last modified: 2024/06/26 20:23 by sgranger