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--- visual3d:documentation:modeling:landmarks:projecting_a_marker_onto_a_line [2024/07/12 13:32] – removed sgranger
+++ visual3d:documentation:modeling:landmarks:projecting_a_marker_onto_a_line [2024/07/17 15:45] (current) – created sgranger
@@ Line 1: / Line 1: @@
+====== Projecting a marker onto a line ======
+=== Projecting a marker onto a line ===
+There are many cases in which it is convenient to project a marker onto a line. One particularly useful scenario is to project a marker placed laterally on the shoulder at the level of the humeral head onto a line passing vertically through a marker on the acromium.
+To create the landmark, switch to Model Builder mode and click on **Add a New Landmark**.
+|**Create Marker_Projected:**\\ \\ <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: //Marker_Projected//\\ \\ |<HTML><p></HTML>   **Landmark Name:** //Marker_Projected//\\ <HTML></p></HTML>\\ \\ <HTML><p></HTML>   **Define Orientation Using:**\\    **Starting Point:** //Marker1//\\    **Ending Point:** //Marker2//\\    **Lateral Object:** //LEAVE BLANK//\\    **Project From:** //Marker3//\\ <HTML></p></HTML>||<HTML></li></HTML>\\ <HTML><li></HTML>**Do NOT Check:** //Offset by Percent (1.0 = 100%)//<HTML></li></HTML>\\ <HTML><li></HTML>**Check:** //Calibration Only Landmark//<HTML></li></HTML><HTML></ol></HTML>  |  |
+\\
+This will create a marker that lies along the vector from Marker 1 to Marker 2.