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visual3d:tutorials:modeling:golem_upperbody_model_delete [2024/06/17 18:25] – created sgrangervisual3d:tutorials:modeling:golem_upperbody_model_delete [2024/07/17 15:46] (current) – created sgranger
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- +====== Golem Upperbody Model Delete ======
- +
  
 \\ \\
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-====== Introduction ======+===== Introduction =====
  
 This tutorial describes the Golem (Plug-in gait) upperbody model as implemented in Vicon (via Bodybuilder/PIG) and how one might model it in Visual 3D. The Golem or Plug-in-Gait upper body model consists of 25 markers and 11 segments (Pelvis, Torso, Clavicles, Head, Upper Arms, Lower Arms, and Hands). This tutorial describes the Golem (Plug-in gait) upperbody model as implemented in Vicon (via Bodybuilder/PIG) and how one might model it in Visual 3D. The Golem or Plug-in-Gait upper body model consists of 25 markers and 11 segments (Pelvis, Torso, Clavicles, Head, Upper Arms, Lower Arms, and Hands).
  
-====== Marker Placement ======+===== Marker Placement =====
  
 This section describes the marker placement for the Golem/PIG upperbody model. This section describes the marker placement for the Golem/PIG upperbody model.
  
-===== Head Markers =====+==== Head Markers ====
  
 There are four markers for the head. A head band with permanently attached markers is often used. There are four markers for the head. A head band with permanently attached markers is often used.
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   * **RBHD** Right back head (Placed on the back of the head, in a horizontal plane of the front head markers)   * **RBHD** Right back head (Placed on the back of the head, in a horizontal plane of the front head markers)
  
-===== Trunk Markers =====+==== Trunk Markers ====
  
 These four markers define a plane hence their lateral positioning is most important. These four markers define a plane hence their lateral positioning is most important.
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   * **LBAK or RBAK** **(Optional)** Placed mid scapula, acts as an anti-symmetry marker strictly for autolabel purposes. Only LBAK or RBAK should be used, but not both.   * **LBAK or RBAK** **(Optional)** Placed mid scapula, acts as an anti-symmetry marker strictly for autolabel purposes. Only LBAK or RBAK should be used, but not both.
  
-===== Pelvis Markers =====+==== Pelvis Markers ====
  
 The Golem pelvis has two marker set variations: a three marker set and a four marker set. The three market set Pelvis is known as [[Visual3D:Documentation:Modeling:Segments:Helen_Hayes_(Davis)_Pelvis|Helen Hayes (Davis) Pelvis]] and the four marker set Pelvis is known as the [[Visual3D:Documentation:Modeling:Segments:Coda_Pelvis|Coda Pelvis]]. The [[Visual3D:Documentation:Modeling:Segments:Pelvis_Overview|Pelvis Overview]] section discussed the differences between the two models. The Golem pelvis has two marker set variations: a three marker set and a four marker set. The three market set Pelvis is known as [[Visual3D:Documentation:Modeling:Segments:Helen_Hayes_(Davis)_Pelvis|Helen Hayes (Davis) Pelvis]] and the four marker set Pelvis is known as the [[Visual3D:Documentation:Modeling:Segments:Coda_Pelvis|Coda Pelvis]]. The [[Visual3D:Documentation:Modeling:Segments:Pelvis_Overview|Pelvis Overview]] section discussed the differences between the two models.
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   * **RPSI** and **LPSI** Place the centers of the markers both Posterior Superior Iliac Spines (PSIS's).   * **RPSI** and **LPSI** Place the centers of the markers both Posterior Superior Iliac Spines (PSIS's).
  
-===== Arm Markers =====+==== Arm Markers ====
  
 There are 6 bilateral markers (12 total) on the arms. There are 6 bilateral markers (12 total) on the arms.
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   * **RFIN** Right "finger". Actually placed on the dorsum of the hand just below the head of the second metacarpal   * **RFIN** Right "finger". Actually placed on the dorsum of the hand just below the head of the second metacarpal
  
-====== Subject measurements ======+===== Subject measurements =====
  
 There are 4 required bilateral anthroprometric measurements that need to be measured on the subject. There are 4 required bilateral anthroprometric measurements that need to be measured on the subject.
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 **Hand Thickness:** This is the distance between the dorsal and palmar surfaces of the hand. **Hand Thickness:** This is the distance between the dorsal and palmar surfaces of the hand.
  
-====== Model Construction ======+===== Model Construction =====
  
 In this tutorial we will go through the segments one by one. Each segment will have a Vicon model description and a Visual 3D model construction section. In this tutorial we will go through the segments one by one. Each segment will have a Vicon model description and a Visual 3D model construction section.
  
-===== Subject Measurements =====+==== Subject Measurements ====
  
 In Visual 3D, we must create subject data metrics for the measured subject measurements: Shoulder offsets, elbow offsets, wrist offsets, and hand thickness. In Visual 3D, we must create subject data metrics for the measured subject measurements: Shoulder offsets, elbow offsets, wrist offsets, and hand thickness.
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   - Click on **OK**   - Click on **OK**
  
-[[index.php?title=Special:Upload&wpDestFile=Golem_subject_data_metric.jpg|File:Golem subject data metric.jpg]]+{{:Golem_subject_data_metric.jpg}}
  
 **RShoulderOffset** should now appear in the list. Using the above steps, continue to enter the following subject data metrics: **RShoulderOffset** should now appear in the list. Using the above steps, continue to enter the following subject data metrics:
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   * //Marker_Diameter// in **Name** and //0.02// in **Value of Expression**   * //Marker_Diameter// in **Name** and //0.02// in **Value of Expression**
  
-===== Head =====+==== Head ====
  
-==== Vicon Model Description ====+=== Vicon Model Description ===
  
 The head origin is defined as the midpoint between the LFHD and RFHD markers (also denoted 'Front'). The midpoint between the LBHD and RBHD markers ('Back') is also calculated, along with the 'Left' and 'Right' sides of the head from the LFHD and LBHD midpoint, and the RFHD and RBHD midpoint respectively. The predominant head axis, the X axis, is defined as the forward facing direction (Front - Back). The secondary Y axis is the lateral axis from Right to Left (which is orthoganalized as usual). The head origin is defined as the midpoint between the LFHD and RFHD markers (also denoted 'Front'). The midpoint between the LBHD and RBHD markers ('Back') is also calculated, along with the 'Left' and 'Right' sides of the head from the LFHD and LBHD midpoint, and the RFHD and RBHD midpoint respectively. The predominant head axis, the X axis, is defined as the forward facing direction (Front - Back). The secondary Y axis is the lateral axis from Right to Left (which is orthoganalized as usual).
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 For the static processing, the YXZ Euler angles representing the rotation from the head segment to the lab axes are calculated. The Y rotation is taken as the head Offset angle, and the mean of this taken across the trial. For the dynamic trial processing, the head Offset angle is applied around the Y axis of the defined head segment. For the static processing, the YXZ Euler angles representing the rotation from the head segment to the lab axes are calculated. The Y rotation is taken as the head Offset angle, and the mean of this taken across the trial. For the dynamic trial processing, the head Offset angle is applied around the Y axis of the defined head segment.
  
-==== Visual 3D Model Construction ====+=== Visual 3D Model Construction ===
  
 Landmarks need to be created for midpoint of the back of the head (**MIDBACKHEAD**), the midpoint of the front of the head (**MIDFRONTHEAD**), and the midpoint of the right side of the head (**RIGHTMIDHEAD**). Landmarks need to be created for midpoint of the back of the head (**MIDBACKHEAD**), the midpoint of the front of the head (**MIDFRONTHEAD**), and the midpoint of the right side of the head (**RIGHTMIDHEAD**).
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   - Click **Apply.**   - Click **Apply.**
  
-[[index.php?title=Special:Upload&wpDestFile=Midbackheadlandmark.jpg|File:Midbackheadlandmark.jpg]]+{{:Midbackheadlandmark.jpg}}
  
 To create the midpoint of the front of the head landmark **MIDFRONTHEAD**: To create the midpoint of the front of the head landmark **MIDFRONTHEAD**:
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   - Click on **Build Model**   - Click on **Build Model**
  
-[[index.php?title=Special:Upload&wpDestFile=Golemheadsegment1.jpg|File:Golemheadsegment1.jpg]]+{{:Golemheadsegment1.jpg}}
  
 You should now see a head segment on your standing model. If you do not see the head segment after clicking Build Model, double check the values you entered in the last step. The coordinate system needs to be rotated to reflect our convention (x - med/lat, y - ant/post, z vert). In addition, we need to rotate the head graphic to the correct orientation. To orient the coordinate system and the head skeleton graphic. You should now see a head segment on your standing model. If you do not see the head segment after clicking Build Model, double check the values you entered in the last step. The coordinate system needs to be rotated to reflect our convention (x - med/lat, y - ant/post, z vert). In addition, we need to rotate the head graphic to the correct orientation. To orient the coordinate system and the head skeleton graphic.
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 \\ \\
-The head segment axes and graphic should now be correct. [[index.php?title=Special:Upload&wpDestFile=Golemheadsegment2.jpg|File:Golemheadsegment2.jpg]]+The head segment axes and graphic should now be correct. {{:Golemheadsegment2.jpg}}
  
-===== Thorax =====+==== Thorax ====
  
-==== Vicon Model Description ====+=== Vicon Model Description ===
  
 The Z axis, pointing upwards, is the predominant axis. This is defined as the direction from the midpoint of the STRN and T10 to the midpoint of CLAV and C7. A secondary direction pointing forwards is the midpoint of C7 and T10 to the midpoint of CLAV and STRN. The thorax origin is then calculated from the CLAV marker, with an offset of half a marker diameter backwards along the X axis. The Z axis, pointing upwards, is the predominant axis. This is defined as the direction from the midpoint of the STRN and T10 to the midpoint of CLAV and C7. A secondary direction pointing forwards is the midpoint of C7 and T10 to the midpoint of CLAV and STRN. The thorax origin is then calculated from the CLAV marker, with an offset of half a marker diameter backwards along the X axis.
  
-==== Visual 3D Model Construction ====+=== Visual 3D Model Construction ===
  
 Landmarks need to be created for: midpoint of C7 and CLAV (**MIDCLAVC7**), midpoint of STRN and T10 (**MIDSTRNT10**), midpoint of MIDSTRNT10 and STRN to find the anterior axis of the torso (**TORSO_X**), and the Thorax joint center (**THORAX_ORIGIN**). Landmarks need to be created for: midpoint of C7 and CLAV (**MIDCLAVC7**), midpoint of STRN and T10 (**MIDSTRNT10**), midpoint of MIDSTRNT10 and STRN to find the anterior axis of the torso (**TORSO_X**), and the Thorax joint center (**THORAX_ORIGIN**).
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   - Click **Apply.**   - Click **Apply.**
  
-[[index.php?title=Special:Upload&wpDestFile=Midclavc7.jpg|File:Midclavc7.jpg]]+{{:Midclavc7.jpg}}
  
 To create the midpoint of STRN and the T10 landmark **MIDSTRNT10**: To create the midpoint of STRN and the T10 landmark **MIDSTRNT10**:
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   - Click on **Build Model**   - Click on **Build Model**
  
-[[index.php?title=Special:Upload&wpDestFile=Golemthoraxsegment5.jpg|File:Golemthoraxsegment5.jpg]]+{{:Golemthoraxsegment5.jpg}}
  
 You should now see a thorax segment on your standing model. The thorax graphic is not oriented or scaled correctly. If you do not see the thorax segment after clicking Build Model, double check the values you entered in the last step. We need to rotate the thorax graphic to the correct orientation. To orient the thorax skeleton graphic. You should now see a thorax segment on your standing model. The thorax graphic is not oriented or scaled correctly. If you do not see the thorax segment after clicking Build Model, double check the values you entered in the last step. We need to rotate the thorax graphic to the correct orientation. To orient the thorax skeleton graphic.
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   - Click on **Apply**   - Click on **Apply**
  
-[[index.php?title=Special:Upload&wpDestFile=Golemthoraxsegment4.jpg|File:Golemthoraxsegment4.jpg]]+{{:Golemthoraxsegment4.jpg}}
  
-===== Pelvis =====+==== Pelvis ====
  
-==== Vicon Model Description ====+=== Vicon Model Description ===
  
 The pelvis in Golem can either be the Helen Hayes Pelvis (a three marker set) or the CODA Pelvis ( a four marker set). The three market set Pelvis is known as [[Visual3D:Documentation:Modeling:Segments:Helen_Hayes_(Davis)_Pelvis|Helen Hayes (Davis) Pelvis]] and the four marker set Pelvis is known as the [[Visual3D:Documentation:Modeling:Segments:Coda_Pelvis|Coda Pelvis]]. The [[Visual3D:Documentation:Modeling:Segments:Pelvis_Overview|Pelvis Overview]] section discussed the differences between the two models. The pelvis in Golem can either be the Helen Hayes Pelvis (a three marker set) or the CODA Pelvis ( a four marker set). The three market set Pelvis is known as [[Visual3D:Documentation:Modeling:Segments:Helen_Hayes_(Davis)_Pelvis|Helen Hayes (Davis) Pelvis]] and the four marker set Pelvis is known as the [[Visual3D:Documentation:Modeling:Segments:Coda_Pelvis|Coda Pelvis]]. The [[Visual3D:Documentation:Modeling:Segments:Pelvis_Overview|Pelvis Overview]] section discussed the differences between the two models.
  
-==== Visual 3D Model Construction ====+=== Visual 3D Model Construction ===
  
 This tutorial uses the CODA pelvis. To construct the CODA Pelvis, we begin by using the static standing trial. This tutorial uses the CODA pelvis. To construct the CODA Pelvis, we begin by using the static standing trial.
  
   - From the **Model** menu, select **Create (Add Static Calibration File)**\\   - From the **Model** menu, select **Create (Add Static Calibration File)**\\
-[[tutorial1_2.jpg{{/images/e/e4/tutorial1_2.jpg?618x116]]\\+{{:tutorial1_2.jpg}}\\
  
   - Select **Hybrid Model from C3DFile**   - Select **Hybrid Model from C3DFile**
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   - From the **Segment Type** box, select //Coda.//   - From the **Segment Type** box, select //Coda.//
   - Click **Create.**\\   - Click **Create.**\\
-[[CODA_pelvis1.jpg]]\\+{{:CODA_pelvis1.jpg}}\\
  
   - A dialogue box labeled **Enter Body Mass and Height** will open because Visual3D needs the subject to be assigned a mass and a height. For this example, Enter //56// kg and //1.77// m, and click **OK.**\\   - A dialogue box labeled **Enter Body Mass and Height** will open because Visual3D needs the subject to be assigned a mass and a height. For this example, Enter //56// kg and //1.77// m, and click **OK.**\\
-[[CODA_height_%26_weight.jpg]]\\+{{:26_weight.jpg}}\\
  
   - A dialogue box labeled **CODA Segment Markers** will open. Select the markers so that they correspond to the figure below. Click **Close.**\\   - A dialogue box labeled **CODA Segment Markers** will open. Select the markers so that they correspond to the figure below. Click **Close.**\\
-[[CODA_Pelvis_Markers1.jpg]]\\+{{:CODA_Pelvis_Markers1.jpg}}\\
  
   - Click **Build Model** to build the segment. You should now see a pelvis segment on your standing model. If you do not see the pelvis segment after clicking **Build Model**, double check the values you entered in the last step.   - Click **Build Model** to build the segment. You should now see a pelvis segment on your standing model. If you do not see the pelvis segment after clicking **Build Model**, double check the values you entered in the last step.
  
-===== Shoulder Joint Center =====+==== Shoulder Joint Center ====
  
-==== Vicon Model Description ====+=== Vicon Model Description ===
  
 The clavicles are considered to lie between the thorax origin, and the shoulder joint centers. The shoulder joint centers are defined as the origins for each clavicle. Note that the posterior part of the shoulder complex is considered too flexible to be modeled with this marker set. Initially a direction is defined, which is perpendicular to the line from the thorax origin to the SHO marker, and the thorax X axis. This is used to define a virtual shoulder 'wand' marker. The chord function is then used to define the shoulder joint centre (SJC) from the Shoulder offset, thorax Origin, SHO marker and shoulder 'wand'. The clavicles are considered to lie between the thorax origin, and the shoulder joint centers. The shoulder joint centers are defined as the origins for each clavicle. Note that the posterior part of the shoulder complex is considered too flexible to be modeled with this marker set. Initially a direction is defined, which is perpendicular to the line from the thorax origin to the SHO marker, and the thorax X axis. This is used to define a virtual shoulder 'wand' marker. The chord function is then used to define the shoulder joint centre (SJC) from the Shoulder offset, thorax Origin, SHO marker and shoulder 'wand'.
  
-==== Visual 3D Model Construction ====+=== Visual 3D Model Construction ===
  
 This tutorial uses the previously modeled thorax segment to define the shoulder joint center. This tutorial uses the previously modeled thorax segment to define the shoulder joint center.
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   - Click **Apply.**   - Click **Apply.**
  
-[[index.php?title=Special:Upload&wpDestFile=GolemRSHJC2.jpg|File:GolemRSHJC2.jpg]]+{{:GolemRSHJC2.jpg}}
  
 To create the left shoulder joint center landmark **LSHJC**: To create the left shoulder joint center landmark **LSHJC**:
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   - Click **Apply.**   - Click **Apply.**
  
-===== Clavicle =====+==== Clavicle ====
  
-==== Vicon Model Description ====+=== Vicon Model Description ===
  
 The clavicle segment is defined from the direction from the joint center to the thorax origin as the Z axis, and the shoulder wand direction as the secondary axis. The X axis for each clavicle points generally forwards, and the Y axis for the left points upwards, and the right clavicle Y axis points downwards. The clavicle segment is defined from the direction from the joint center to the thorax origin as the Z axis, and the shoulder wand direction as the secondary axis. The X axis for each clavicle points generally forwards, and the Y axis for the left points upwards, and the right clavicle Y axis points downwards.
  
-==== Visual 3D Model Construction ====+=== Visual 3D Model Construction ===
  
 The clavicle is not modeled in Visual 3D since it is not used to calculate kinematics and kinetics. The clavicle is not modeled in Visual 3D since it is not used to calculate kinematics and kinetics.
  
-===== Elbow and Wrist Joint Centers =====+==== Elbow and Wrist Joint Centers ====
  
 For this tutorial we will be assuming that the wrist markers are located on the wrist and not on a wrist bar. For this tutorial we will be assuming that the wrist markers are located on the wrist and not on a wrist bar.
  
-==== Vicon Model Description ====+=== Vicon Model Description ===
  
-=== Elbow Joint Center ===+== Elbow Joint Center ==
  
 A construction vector direction is defined, being perpendicular to the plane defined by the shoulder joint center, the elbow marker (LELB) and the midpoint of the two wrist markers (LWRA, LWRB). A construction vector direction is defined, being perpendicular to the plane defined by the shoulder joint center, the elbow marker (LELB) and the midpoint of the two wrist markers (LWRA, LWRB).
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 The elbow joint center is the defined using the chord function, in the plane defined by the shoulder joint center, the elbow marker and the previously defined construction vector. The elbow joint center is the defined using the chord function, in the plane defined by the shoulder joint center, the elbow marker and the previously defined construction vector.
  
-=== Wrist Joint Center ===+== Wrist Joint Center ==
  
 This description assumes that a wrist bar is used. The wrist joint center (WJC) is then calculated. In this case the chord function is not used. The wrist joint center is simply offset from the midpoint of the wrist bar markers along a line perpendicular to the line along the wrist bar, and the line joining the wrist bar midpoint to the elbow joint center. This description assumes that a wrist bar is used. The wrist joint center (WJC) is then calculated. In this case the chord function is not used. The wrist joint center is simply offset from the midpoint of the wrist bar markers along a line perpendicular to the line along the wrist bar, and the line joining the wrist bar midpoint to the elbow joint center.
  
-==== Visual 3D Model Construction ====+=== Visual 3D Model Construction ===
  
-=== Wrist Joint Center ===+== Wrist Joint Center ==
  
 We first construct landmarks for the wrist joint centers (RWJC and LWJC) so we can use these landmarks in the elbow joint center calculations. A wrist bar is not used. The markers are placed directly on the wrists. The wrist joint center is calculated as a point midway between the two wrist markers (WRA amd WRB). We first construct landmarks for the wrist joint centers (RWJC and LWJC) so we can use these landmarks in the elbow joint center calculations. A wrist bar is not used. The markers are placed directly on the wrists. The wrist joint center is calculated as a point midway between the two wrist markers (WRA amd WRB).
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   - Click **Apply.**   - Click **Apply.**
  
-[[index.php?title=Special:Upload&wpDestFile=Golem_RWJC1.jpg|File:Golem RWJC1.jpg]]+{{:Golem_RWJC1.jpg}}
  
 To create the left wrist joint center landmark **LWJC**: To create the left wrist joint center landmark **LWJC**:
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   - Click **Apply.**   - Click **Apply.**
  
-=== Elbow Joint Center ===+== Elbow Joint Center ==
  
 Now that the wrist joint center landmarks are created, we can now creare the elbow joint centers. The REJC landmark is created from a plane defined by RELB, RSHJC, and RWJC and the -(RELBOWOFFSET+Marker_Diameter)/2 in the ML direction. Now that the wrist joint center landmarks are created, we can now creare the elbow joint centers. The REJC landmark is created from a plane defined by RELB, RSHJC, and RWJC and the -(RELBOWOFFSET+Marker_Diameter)/2 in the ML direction.
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   - Click **Apply.**   - Click **Apply.**
  
-[[index.php?title=Special:Upload&wpDestFile=Golem_REJC1.jpg|File:Golem REJC1.jpg]]+{{:Golem_REJC1.jpg}}
  
 The LEJC landmark is created from a plane defined by LELB, LSHJC, and LWJC and the -(LELBOWOFFSET+Marker_Diameter)/2 in the ML direction. The LEJC landmark is created from a plane defined by LELB, LSHJC, and LWJC and the -(LELBOWOFFSET+Marker_Diameter)/2 in the ML direction.
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   - Click **Apply.**   - Click **Apply.**
  
-===== Upper Arm =====+==== Upper Arm ====
  
-==== Vicon Model Description ====+=== Vicon Model Description ===
  
 The Humerus is then defined with it's origin at the EJC, a principal Z axis from EJC to SJC, and a secondary line approximating to the X axis between the EJC and the WJC. The Humerus is then defined with it's origin at the EJC, a principal Z axis from EJC to SJC, and a secondary line approximating to the X axis between the EJC and the WJC.
  
-==== Visual 3D Model Construction ====+=== Visual 3D Model Construction ===
  
 To create the Right Upper Arm segment in Visual 3D: To create the Right Upper Arm segment in Visual 3D:
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   - Click on **Build Model**   - Click on **Build Model**
  
-[[index.php?title=Special:Upload&wpDestFile=Golem_upperarm1.jpg|File:Golem upperarm1.jpg]]+{{:Golem_upperarm1.jpg}}
  
 **Note: the above image shows RSHJC1 for the RSHJC.** You should now see a right upper arm segment on your standing model. The upper arm coordinate system and graphic are not oriented correctly. If you do not see the upper arm segment after clicking Build Model, double check the values you entered in the last step. We need to rotate the coordinate system to the correct orientation. To modify the coordinate system. **Note: the above image shows RSHJC1 for the RSHJC.** You should now see a right upper arm segment on your standing model. The upper arm coordinate system and graphic are not oriented correctly. If you do not see the upper arm segment after clicking Build Model, double check the values you entered in the last step. We need to rotate the coordinate system to the correct orientation. To modify the coordinate system.
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   - Click on **Apply**   - Click on **Apply**
  
-[[index.php?title=Special:Upload&wpDestFile=Golem_upperarms.jpg|File:Golem upperarms.jpg]] **Note: upper arm bone graphic is not oriented correctly**+{{:Golem_upperarms.jpg}} **Note: upper arm bone graphic is not oriented correctly**
  
-===== Forearm =====+==== Forearm ====
  
-==== Vicon Model Description ====+=== Vicon Model Description ===
  
 The forearm origin is set at the wrist joint center. The principal axis is the Z axis, from the WJC to the EJC. The secondary line approximating to the Y axis is taken as the Y axis of the upper arm segment. The forearm origin is set at the wrist joint center. The principal axis is the Z axis, from the WJC to the EJC. The secondary line approximating to the Y axis is taken as the Y axis of the upper arm segment.
  
-==== Visual 3D Model Construction ====+=== Visual 3D Model Construction ===
  
 To create the Right Forearm segment in Visual 3D: To create the Right Forearm segment in Visual 3D:
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   - Click on **Build Model**   - Click on **Build Model**
  
-[[index.php?title=Special:Upload&wpDestFile=Golem_forearm.jpg|File:Golem forearm.jpg]]+{{:Golem_forearm.jpg}}
  
 To create the Left Forearm segment in Visual 3D: To create the Left Forearm segment in Visual 3D:
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   - Click on **Build Model**   - Click on **Build Model**
  
-[[index.php?title=Special:Upload&wpDestFile=Golem_forearms.jpg|File:Golem forearms.jpg]] **Note: forearm bone graphic is not oriented correctly**+{{:Golem_forearms.jpg}} **Note: forearm bone graphic is not oriented correctly**
  
-===== Hand Joint Center =====+==== Hand Joint Center ====
  
-==== Vicon Model Description ====+=== Vicon Model Description ===
  
 The hand is defined by first defining it's origin. The chord function is used again for this, with the WJC, FIN marker and Hand Offset. The midpoint of the wrist bar markers is used to define the plane of calculation. This description assumes the use of wrist of a bar. The hand is defined by first defining it's origin. The chord function is used again for this, with the WJC, FIN marker and Hand Offset. The midpoint of the wrist bar markers is used to define the plane of calculation. This description assumes the use of wrist of a bar.
  
-==== Visual 3D Model Construction ====+=== Visual 3D Model Construction ===
  
 The RHANDJC landmark is created from a plane defined by RWJC, RWRA, RFIN, and and the -(RHANDOFFSET+Marker_Diameter)/2 in the ML direction. The RHANDJC landmark is created from a plane defined by RWJC, RWRA, RFIN, and and the -(RHANDOFFSET+Marker_Diameter)/2 in the ML direction.
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   - Click **Apply.**   - Click **Apply.**
  
-[[index.php?title=Special:Upload&wpDestFile=Golem_RHANDJC1.jpg|File:Golem RHANDJC1.jpg]]+{{:Golem_RHANDJC1.jpg}}
  
 The LHANDJC landmark is created from a plane defined by LWJC, LWRA, LFIN, and and the -(LHANDOFFSET+Marker_Diameter)/2 in the ML direction. The LHANDJC landmark is created from a plane defined by LWJC, LWRA, LFIN, and and the -(LHANDOFFSET+Marker_Diameter)/2 in the ML direction.
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   - Click **Apply.**   - Click **Apply.**
  
-===== Hand =====+==== Hand ====
  
-==== Vicon Model Description ====+=== Vicon Model Description ===
  
 The principal Z axis is then taken as the line from the hand origin to the WJC, and a secondary line approximating the Y axis is defined by direction of the line joining the wrist bar markers. The principal Z axis is then taken as the line from the hand origin to the WJC, and a secondary line approximating the Y axis is defined by direction of the line joining the wrist bar markers.
  
-==== Visual 3D Model Construction ====+=== Visual 3D Model Construction ===
  
 To create the Right Hand segment in Visual 3D: To create the Right Hand segment in Visual 3D:
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 You should now see the right hand segment on your standing model. The right hand segment coordinate system and graphic are not oriented correctly. If you do not see the hand segment after clicking Build Model, double check the values you entered in the last step. We need to rotate the coordinate system to the correct orientation. You should now see the right hand segment on your standing model. The right hand segment coordinate system and graphic are not oriented correctly. If you do not see the hand segment after clicking Build Model, double check the values you entered in the last step. We need to rotate the coordinate system to the correct orientation.
  
-[[index.php?title=Special:Upload&wpDestFile=Golem_Hand.jpg|File:Golem Hand.jpg]]+{{:Golem_Hand.jpg}}
  
 To modify the right hand segment coordinate system. To modify the right hand segment coordinate system.
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   - Click on **Apply**   - Click on **Apply**
  
-[[index.php?title=Special:Upload&wpDestFile=Golem.jpg|File:Golem.jpg]]+{{:Golem.jpg}}
  
-====== Summary ======+===== Summary =====
  
 This tutorial walked you through Visual 3D construction of the Golem upper body model. At this time, no comparisons have been made between this model and the one provided by Vicon. The tutorial was not meant to be comprehensive and variations may exist between this version of the Golem model and the Vicon Golem model. This tutorial walked you through Visual 3D construction of the Golem upper body model. At this time, no comparisons have been made between this model and the one provided by Vicon. The tutorial was not meant to be comprehensive and variations may exist between this version of the Golem model and the Vicon Golem model.
  
-====== References ======+===== References =====
  
   * **PIGModeling** Vicon documentation   * **PIGModeling** Vicon documentation
   * **Golem Bodybuilder Model** Vicon documentation   * **Golem Bodybuilder Model** Vicon documentation
   * **PIGManualver1** Vicon documentation   * **PIGManualver1** Vicon documentation
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visual3d/tutorials/modeling/golem_upperbody_model_delete.1718648712.txt.gz · Last modified: 2024/06/17 18:25 by sgranger