Block Dissolve on grid Adobe After Effects 7 Icon Logo
me@grafxflow

Written by me@grafxflow

21 Jan, 2007

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Using Block Dissolve on Grid (After Effects 7)

Here is a tutorial showing the use of Block Dissolve to create several clips fading in/out on a grid (You will need 9 movie clips).

NOTE: This tutorial is intended for PAL, if you use NTSC some of the numerical settings will need to be changed!

Step 1.

Open After Effects and create a new composition. We will call it 'GRID 3x3 COMP1'.

Using Block Dissolve on Grid tutorial - Picture 1

Step 2.

Go to 'File>import>multiple files' and select the 9 clips you wish to use (make sure they have the same running time if possible).

Using Block Dissolve on Grid tutorial - Picture 2

Step 3.

Next select the option to show rulers.

Using Block Dissolve on Grid tutorial - Picture 3

Step 4.

For this choose 'Window/Info' - this will show the guides position in pixels.

Using Block Dissolve on Grid tutorial - Picture 4

Hover over the ruler on the left till the icon has 2 arrows. Then drag across 4 guides, since I am using PAL they need to be 0, 240, 480 and 720 pixels.

Using Block Dissolve on Grid tutorial - Picture 5

Step 5.

Now the ruler at the top. This time 0, 192, 384 and 576 pixels.

Using Block Dissolve on Grid tutorial - Picture 6

Step 6.

Make sure both of these are selected in the view menu 'view/snap to guides' and 'view/lock guides' - lock guides changes to unlock guides.

Using Block Dissolve on Grid tutorial - Picture 7

Step 7.

Now select the project window and place all 9 clips on the timeline and scale them to match the grid. This should be easy due to the 'snap to guides' being selected.

Using Block Dissolve on Grid tutorial - Picture 8

Step 8.

Now create a new composition and call it GRID 3x3 FINAL COMP.

Using Block Dissolve on Grid tutorial - Picture 9

Make sure to double click the GRID 3x3 FINAL COMP in the Project window. You should see an empty timeline.

Using Block Dissolve on Grid tutorial - Picture 10

Step 9.

Go to the Project window and grab the GRID 3x3 COMP1 and place it on the timeline of GRID 3x3 FINAL COMP. Highlight the GRID 3x3 FINAL COMP on the timeline.

Using Block Dissolve on Grid tutorial - Picture 11

Step 10.

Select 'Effect/Transition/Block Dissolve' then extend the options of the GRID 3x3 COMP1. Now extend the options of the GRID 3x3 COMP1 options in the timeline. Till you see the Block Dissolve options.

Using Block Dissolve on Grid tutorial - Picture 12

Step 11.

Change the Transition completion to 100%, Block Width to 256, Block Height to 192 and Soft Edges to Off then press on the timers on the left to create a keyframe.

Using Block Dissolve on Grid tutorial - Picture 13

Step 12.

Then move the marker across the timeline to say 8 seconds, and on set the Transition completion to 0%. You should see another Keframe created on the timeline.

Using Block Dissolve on Grid tutorial - Picture 14

Step 13.

Do a ram preview and see it finished.

Using Block Dissolve on Grid tutorial - Picture 15

If you think it looks a little slow/dull try changing the block width to 50 on frame 1 of the timeline.

Also try to: -

1. Duplicate the 'GRID 3x3 COMP1' in the 'Project' window but change the order of the 9 clips. Then place the new composition into the 'GRID 3x3 FINAL COMP'. But try starting it on a different frame.

2. Add other effects, like 'card wipe'. It's up to you!

Hope this helps.

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me@grafxflow

Hull, United Kingdom

I am a Full-stack Developer who also started delving into the world of UX/UI Design a few years back. I blog and tweet to hopefully share a little bit of knowledge that can help others around the web. Thanks for stopping by!

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