The "Visible" property of blocks and the management of the breaks
Author: ffDiaporama Team

Blocks have a visible/invisible property. In the following example, the one image is inserted 3 times (in 3 different blocks) into the same slide.

- The first block consists of the whole image filling the whole screen
- The second block consists of the image re-framed on the statue and positioned in an ellipse at the right of the screen
- The third block consists of the image re-framed on the pedestrians and also positioned in an ellipse at the right of the screen

The statue and the pedestrians have their visibility property set to invisible on the 1st shot.
Then the statue becomes visible on the 2nd shot.
Finally, the statue once more becomes invisible on the 3rd shot and the pedestrians become visible.

#### Result:

- For 2 seconds, the 1st shot is shown and we see only the whole image which occupies all the screen
- Over the next 2 seconds, the statue appears
- Over a further 2 seconds, the statue is replaced by the pedestrians

This example is really very simple, because it is also possible to animate the appearance and the disappearance of blocks.
Indeed, as shown previously, animations are generated by the transformation of the arrangement from one shot to another.
So, if on the 1st shot, the statue occupied the left lower quarter of the screen rather than the same position as on the 2nd shot, then instead of simply appearing for 2 seconds on the 2nd shot, it would appear by growing out of the left lower quarter of the screen.

#### Using videos:

You should note that videos are paused when they are invisible.
Therefore a video can be displayed for several seconds in the 1st shot, then be made invisible and thus paused in a 2nd shot, then be visible in a 3rd shot and resume playing, from where it stopped at the end of the 1st shot.