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Wipe/Preset Pattern Updates?

6 replies [Last post]
TekD
User offline. Last seen 14 years 28 weeks ago. Offline
Joined: 6 Jun 2007

I'm completely new to this forum and don't know if this has been discussed, but does the Kalypso allow for new wipes/preset patterns to be uploaded into the system? For example if I'd like to use my network logo as a preset pattern is there a way to save it perhaps through the still store as the alpha to use as a wipe or preset pattern?

Thanks

Bob Ennis
User offline. Last seen 5 years 16 weeks ago. Offline
Joined: 24 Aug 2005
If the logo that you're trying to use for a Utility Wipe is pure black-and-white, you will have a problem getting the "pattern" to change size as you pull the lever arm. The best way to accomplish what you're trying to do is to use a logo or pattern that instead of pure Black & White is a gradation from Black to White. The best way that I can think of to describe this is this: on one M/E create a white circle over a black background - start with hard edges. Use this as the Utility Bus Wipe on another M/E & you'll see the cutoff as you perform the wipe. Now, soften the edges of the circle - the Utility wipe starts to look better...Now REALLY soften the edges - the Utility wipe will be doing what you want. The point of the above excercise is to drive home the fact that if you want your Utility Wipe to act like a pattern and "grow" over the course of your lever arm pull, then the source that you're using as the Utility Bus Wipe must be a gradation of your logo. The best way to accomplish this is to use something like PhotoShop to manipulate your logo into the gradation that you need. If you don't have PhotoShop handy and are just at the switcher, another way is to create the gradation yourself and then re-save this as your Frame Store image. The way I've done this is the following; Key your logo (matte-filled white) over a black background...now key the Still Store as a 2nd keyer, putting this 2nd key into a Transform Channel...Feed the M/E as the input to the Still Store & do a Show Input on that channel - it'll go into feedback...use the TE to enlarge this 2nd key & use the Vid Proc to lower the luminance of Key 2 - each successive feedback loop wil be darker than the previous loop...Defocus the TE & use the Key 2 Opacity control to achieve the smooth gradation from white to black that you want...Freeze this & store in in a Frame Store and use this as your Utility Wipe. It sounds like a lot of trouble to go through, but once you understand the concept of using feedback to create your own modified logos, it'll work for a lot of your different graphics - you can take almost any logo or font & make your own custom wipe out of it. I even built a macro to do just this effect build so that I can re-create it easily.

Bob Ennis

TekD
User offline. Last seen 14 years 28 weeks ago. Offline
Joined: 6 Jun 2007
Steve, Thanks, only problem with this is the video moves, not just the pattern... What I'm trying to accomplish is the cut-out or alpha of the logo starting on something like a cam shot so large you see the camera full, then the logo pattern shrinking just like a preset pattern would by shrinking the size.... while not affecting the actual size of the video which is what the transform engine would do... After playing with this a while I'm thinking I might have to use an animation of the logo doing this move then record it into the still store and utilizing the split key with the video and this ss logo for the alpha... I'm thinking that should do what I'm imagining....
greg
User offline. Last seen 10 years 28 weeks ago. Offline
Joined: 22 Aug 2005
Yes, you need to put the still store in the utility bus.. I have done this in the past using a seperate still for the fill and a b/w composite hicon for the matte generator. It work nicely.
Steve Meyer
User offline. Last seen 14 years 7 weeks ago. Offline
Joined: 22 Aug 2005
Hi TekD, How about moving your logo with the transform engine, then saving this motion as a clip in the stillstore? The "moving hicon" can be your wipe pattern.
TekD
User offline. Last seen 14 years 28 weeks ago. Offline
Joined: 6 Jun 2007
Thanks for your reply...I'm assuming you mean by using the utility wipe generator with the logo as the utility right? I tried this, but the only problem is it doesn't allow me to adjust the cut-out "size" the way the included preset patterns do...
greg
User offline. Last seen 10 years 28 weeks ago. Offline
Joined: 22 Aug 2005
I'm not sure if this is what you are looking for but if you grab your logo as an internal still store then use that as your wipe generator and fill it with itself it may work. I believe this works on a luminance scale and is adjustable using the wipe width and softness. I am not in front of the switcher now so I can't try it, but it should work. greg