Step 2 - camera movement calculation

In this step, calculation of the camera movements is initiated. This is required by SimulCam to blend the two performances onto a single background.

In this process, similar features in the backgrounds of the two video clips are manually aligned by one of two methods:

1.	Drag & zoom alignment - Backgrounds are aligned by blending the first frame of each clip then zooming and dragging one frame above the other until backgrounds match.

2.	Matched alignment points - Several matching static background features are marked with alignment points on the first frame of each clip.

Which method is best?

We recommend that you try both methods to decide which one is most comfortable for you. By default, your software uses the Drag & zoom alignment method. Use the following notes as a guide.

In general, manual alignment by the Drag & zoom alignment method is quicker.

Drag & zoom alignment requires you to zoom using scroll function of your mouse or the [+] and [-] keys of your numeric keypad (refer to your laptop documentation). If neither of these are convenient for you then Matched alignment points might be a better choice.

The Matched alignment points method is sometimes a better choice when the video images do not match well.

To select the calculation method

The calculation method can be changed at any time before or during SimulCam.

1.	Select Tools>Options from the menu bar (or press F3).

2.	Select the SimulCam topic from the list on the left.

3.	Select the mode. Note that you can Set as default your choice of calculation method.