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Create an animated mask or eraser similiar to an animated line in paint designer? (PD 19)
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CartandGuide [Avatar]
Newbie Private Message Joined: Jun 04, 2021 10:22 Messages: 2 Offline
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I have a 3D mountain range with a trail made from GPS coordinates. I have a before picture, and a completed picture with the trail marked out. I want to use a mask to uncover the trail from beginning to end as if it were being walked.


Though it's possible to draw an animated line as a trail in paint designer, because of the mountain range and the 3D image, it doesn't compare well against the GPS trail which winds through the mountains surface. The painted line lies on top and doesn't show the elevation changes.


The trail winds quite a bit so it's not possible to do a normal left/right unmasking. In fact, I've used just about every combination of shapes, paths, and key frames to unveal the trail in mask designer, but it's just not possible to do without unvealing some other part of the trail ahead of time or some new section all at once.

If there could be an eraser line on an image, just as one can draw an animated line, that would do the trick. Any help with this is greatly appreaciated!

This message was edited 2 times. Last update was at Jun 04. 2021 10:31

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optodata
Senior Contributor Private Message Location: California, USA Joined: Sep 16, 2011 16:04 Messages: 6716 Online
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See if this discussion helps.
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CartandGuide [Avatar]
Newbie Private Message Joined: Jun 04, 2021 10:22 Messages: 2 Offline
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Quote See if this discussion helps.


Thanks for this! This is essentially what I'm looking for.

But I still can't figure out how to do an animated erase on an upper layer photo instead of an upper layer of just color.
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optodata
Senior Contributor Private Message Location: California, USA Joined: Sep 16, 2011 16:04 Messages: 6716 Online
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Maybe share a screenshot or screen recording of your timeline showing your layers/tracks and how you're trying to use the erase.

For a screenshot, use Alt+Print Screen or the Windows snipping tool (Win+Shift+S) then save the image as PNG or JPG. Click on the Attachments button below the forum's text box to upload and share it here.

For a screen recording, upload the video to YouTube and paste the link here.
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PowerDirector Moderator
Senior Contributor Private Message Location: New Taipei City, Taiwan Joined: Oct 18, 2016 00:25 Messages: 1074 Offline
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Quote I have a 3D mountain range with a trail made from GPS coordinates. I have a before picture, and a completed picture with the trail marked out. I want to use a mask to uncover the trail from beginning to end as if it were being walked.


Though it's possible to draw an animated line as a trail in paint designer, because of the mountain range and the 3D image, it doesn't compare well against the GPS trail which winds through the mountains surface. The painted line lies on top and doesn't show the elevation changes.


The trail winds quite a bit so it's not possible to do a normal left/right unmasking. In fact, I've used just about every combination of shapes, paths, and key frames to unveal the trail in mask designer, but it's just not possible to do without unvealing some other part of the trail ahead of time or some new section all at once.

If there could be an eraser line on an image, just as one can draw an animated line, that would do the trick. Any help with this is greatly appreaciated!


Hi,
Does this do the job. It's a very quick and unrefined example, but in principle, it can be refined much more. I haven't spent time doing the fine tuning, because it may not be what you're after??

The "after" image with the trail marked on is on T1, on T2 there are a series of "before" unmarked images, each with an increasing section of the trail "unmasked".

I only did 6 reveals but the finer the unmasking and the greater the number of images, the more fluid the reveal would be.

Does this help?

Cheers
PowerDirector Moderator.
 Filename
Trail Reveal.wmv
[Disk]
 Description
 Filesize
1591 Kbytes
 Downloaded:
5 time(s)
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