Create/Edit Pins

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This is the main pinning mouse mode. Note that pinning is useful not only for GeoH tracking, but for general mesh placement (set reconstruction) activities and even coordinate system alignment as well. During pinning, the perspective view must be

locked to the camera's view, ie via the Lock button on the Mouse toolbar, or right- click/Lock to Current Cam. You can set the pinning to affect the mesh, the camera/object, or entire scene via a button described below.

Tip: We strongly recommend selecting the mesh first, before beginning to pin, so that you can adjust the pinning mode if needed. The pinning mode is stored per mesh, so you can’t see what will happen before you select the mesh.

Here are a few things you can do in this mode:

- Clicking and dragging on a mesh will create a new pin (and select the mesh, if it isn't already).

- You can drag an existing pin to move it, and the attached object, to a new location on the image.

- Shift-drag to move a pin to a different location on the mesh (without changing its location in the image); hold Control while doing that to snap to the mesh's vertices (no need to continue holding shift; hold control only after starting to drag the pin).

- Control-click an existing pin to remove it.

All pins for a given mesh will be on a single frame of the shot. Pins will be shown for the currently-selected mesh, only on the frame on which the pins reside. (See "Jump..." below.) If you start creating pins on a different frame than before, the other pins are erased; you can now reposition the mesh or object on this different frame. You can work through a shot to animate an object's position this way if you must.

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