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whoit
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Adding a new Layer to an existing page

Wed Dec 06, 2017 2:49 pm

How can I add a layer to an existing page?

I'd like to be able to:
1) Add a layer that I can also add text to (ShowTextBlock, for example)
2) Make the layer interactive in Acrobat/Viewers (turn on, off , for example)

Thanks.
 
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Sasha - Tracker Dev Team
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Re: Adding a new Layer to an existing page

Wed Dec 06, 2017 2:55 pm

Hello whoit,

This will be available in one of the nearest future releases - right now you can't do that.

Cheers,
Alex
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whoit
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Re: Adding a new Layer to an existing page

Tue Apr 03, 2018 1:52 pm

Hi Alex -

Is this capability available now?

Thanks,
Wayne
 
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Sasha - Tracker Dev Team
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Re: Adding a new Layer to an existing page

Tue Apr 03, 2018 2:05 pm

Hello Wayne,

I'm afraid that this functionality is not yet implemented.

Cheers,
Alex
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whoit
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Re: Adding a new Layer to an existing page

Wed Apr 04, 2018 5:38 pm

Alex-

Do you have timeframe when it will be available?

-Wayne
 
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Sasha - Tracker Dev Team
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Re: Adding a new Layer to an existing page

Thu Apr 05, 2018 6:31 am

Hello Wayne,

Sadly, there is no eta for this one, though this is already planned for one of the nearest future builds.

Cheers,
Alex
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whoit
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Re: Adding a new Layer to an existing page

Mon Jun 11, 2018 1:35 pm

Hi Alex -

I wanted to check again regarding Layers - will they be implemented soon?

I saw some documentation on Optional Content Groups - I believe that is the term in PDF for layers...is this the same?

Thanks.
 
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Sasha - Tracker Dev Team
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Re: Adding a new Layer to an existing page

Mon Jun 11, 2018 1:51 pm

Hello Wayne,

As of the Layers Creation/Removal - this is being worked at right now, though this is not an easy task and these operations are absent in the majority of the PDF editors - thus we need to think through all of the details and logic. This is not a simple matter - so called Layers are a visual representation of the OCG/OCMD in the tree - that's all. The real deal are the physical Optional Content Groups that define the content and annotation visibility. The greatest task is to make this easy understandable and usable for users.
You can read more about those in the PDF Specification.
As for the ETA - not for the upcoming release, that's for sure - maybe the release after this.

Cheers,
Alex
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whoit
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Re: Adding a new Layer to an existing page

Mon Jun 11, 2018 1:58 pm

What are the chances of implementing Layers in CoreAPI first - meaning that all the Visual UI stuff for the Editor
could be eliminated from the API and thus be completed sooner?
 
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Sasha - Tracker Dev Team
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Re: Adding a new Layer to an existing page

Mon Jun 11, 2018 3:25 pm

Hello Wayne,

Well the end-user part is being implemented first. Then the needed methods will be created for the API usage.

Cheers,
Alex
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