===== Fly-view video recording =====
Femtoscan allows you to save different scenes of surface view and to record camera shifts between the scenes. It gives a colorful video as a result clearly demonstrating the shape of the surface. Dialog called up by menu command [[view|View]] -> **Manage fly-views**is used to manage the scenes. The recording process is going the following way:

  * Initial angle of 3D view is chosen.
  * Chosen angle is saved by clicking the **Add** button. After that coordinates corresponding to the angle appear as an entry in the top field of the dialog window.
  * Now the surface might be turned and the next angle can be chosen and saved. The **Add** button adds the new angle in the end of the list. 
  * Thus one can specify a camera path point-by-point.
  * Resulting scenario can be edited. The **Up** and **Down** buttons move selected angle to the different place in the list. The **Modify** button replaces selected scene with current angle. The **Delete** and **Delete all** buttons remove unnecessary scenes.
  * When the scene sequence is formed you can run a preview. In the preview mode the movie is played with lowered resolution. In this mode transition between scenes occurs in 1 second. Usually this is too quick. If you want to increase (or decrease) the transition time chose the scene corresponding to beginning of the transition and set the desired time in **Transition** field.
  * The **Record** button calls up a movie recording dialog where you can specify a name for the video file, choose encoding filter and set up compression parameters. The **Record** button in record dialog starts a recording to file with a current frame being shown in the preview window. This procedure may take some time.
  * The scene list can be saved to a text file or loaded from it. This allows loading a previously created fly-view scenarios for a new surfaces. 

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