Merge pull request #26 from aremazeilles/wrench

Add wrench format

data_format.adoc

@@ -172,6 +172,34 @@ All other labels: see the Figure 2.
 .Labels of Joints centers
 image::img/df_joint_center_label.png[align=center, title-align=center]
 
+=== Wrench file
+
+**Description**: This file shall contain wrench (force and torque) measured by a force sensor.
+
+**Name of the file**: subject_N_run_R_wrench where N = subject’s number and R = run number.
+Use appropriate leading zeros for R and N to ensure proper ordering of files.
+
+**File format**: .csv
+
+**File structure**:
+
+.Wrench file structure
+[options="header"]
+|================
+| time | force_x | force_y | force_z | torque_x | torque_y | torque_z
+| ... | ... | ... | ... | ... | ... | ...
+| ... | ... | ... | ... | ... | ... | ...
+|================
+
+**Units**:
+.Wrench file unit
+[options="header"]
+|================
+| time | force_x | force_y | force_z | torque_x | torque_y | torque_z
+| `sec` | `N` | `N` | `N` | `N.m` | `N.m` | `N.m`
+|================
+
+
 === Ground Reaction Forces file
 
 **Description**: This file shall contain forces measured by force platforms.
@@ -194,6 +222,7 @@ Other labels:
 * centre of pressure: `P_x`, `P_y`, `P_z`
 * moment: `T_x` , `T_y` , `T_z`
 
+
 **Units**: Newtons, meters and Nm
 
 === Electromyography file