Adding 'Wiping from Left/right/top/bottom' effect

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A 'Wiping from (direction)' effect is needed to be able to SLOWLY and accurately  spread, or wipe, an object or a group on the canvas from any direction.
Note: the transition 'Slide left/right' is insufficient and partial a solution, for reasons laid out in this support request https://support.techsmith.com/hc/requests/453767
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gidonkenar

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Posted 7 months ago

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kayakman, Champion

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perhaps these tutorials might be helpful?

How To Change Behavior Of Stock Transitions
http://www.screencast.com/t/9kx18ZSKt

Example Gradient Wipe Top To Bottom
http://www.screencast.com/t/QTa5sG4Sj
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gidonkenar

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Thanks, but they are not,.
See extra comment with explanation.
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gidonkenar

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The problem with current "slide left/right" transitions is that the it starts sliding from the edge of the canvas rather than from the edge of the object to which it  applied.
This works fine for  full screen objects, but it's problematic when the object to be transitioned is smaller than the screen, at which case the transition of the object does not start (nor ends) when the play head hits the transition (or leaves it)  on the timeline, rather it starts some time after the transition beginning and ends some time before transition end, in relation to the location of the transition in the canvas and its distance from canvas's edge.
Support says this behavior is planed (for reasons I can't comprehend), but it is very problematic when one wants to plan plan for several objects to wipe SLOWLY at an exact timing, especially if the object are nor aligned together.

Go ahead and reproduce a timeline as in the screenshot, and you will see that controlling the start time for a transition per object is very difficult for a long (slow) transition, because the transition is canvas oriented. My request is to make an object oriented transition.

Hope this clear enough, thanks

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kayakman, Champion

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ditch using transitions, and instead use simple animation key frames; apply full cropping on left side and full view at right end of swipe time; just did a quick test, seems to work just fine

Swipe Test Using Animations 2018-05-02
https://www.screencast.com/t/roWWdLpTE
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gidonkenar

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Nice idea. Could actually work. I'll give a try soon.
Thanks
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gidonkenar

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ditch using transitions, and instead use simple animation key frames; apply full cropping on left side and full view at right end of swipe time;
Indeed nice idea, except that a Group cannot be cropped, so there is still a problem here.
I can overcome it in a cumbersome way by creating a JPG image and crope it...
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kayakman, Champion

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open the group and apply the animation to each object; does my example do what you want?
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gidonkenar

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Your idea is great for single object at a time, but for a group it has very limited benefit. Applying animation and crop to every group object would be a nightmare of work and timing.
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kayakman, Champion

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perhaps give it a try

with the group open, select all the items, then apply the animation key frames [I use shift-A], select all the key frames, then apply the cropping, etc. at same time; the animations will look better is you also set easing to linear

that's what I did in my example; took just a few seconds
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gidonkenar

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I deed.
My object group, however, is some dozen objects grouped together one on top and next to the other, and include textual labels, so it's lot of work to change them all.
Besides, cropping a text box changes the order of text from one line to two lines amid animation, which is unacceptable.

see attached pics (white text on the blue object)



(Edited)

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