All of a sudden, I can't open a PNG file in layers.  I get a message file could not be found. Help!

I work with multilayer files in photophop CS6 creating composite photograph.  All of a sudden, I can't open the PNG files.  I get a message that the file cannot be found when I try to open it.  Can someone help me please?

A quick search on Google turned up the news I knew vaguely.

PNGs in layers are only produced by Macromedia (later Adobe Fireworks more) using a proprietary format that has never been publicly documented.  Thus, it seems that only Adobe Fireworks can open the png with the layers intact. Whether or not you can export these layers in another file format and to open in another application with everything intact seems to be up in the air.

Fire of artifice is not updated anymore and it seems that Adobe doesn't have a plan for png supports layers and the proprietary format is removed.

Some people seek to affinity as a possible replacement for Photoshop.

However to quote some comments from their FAQ:

FAQ - fireworks in layers of PNG and TIFF files in layers

Since this question comes up often, I write a definitive statement.

Files PNG Fireworks (layers)

There is no such thing as "layered PNG.  The standard PNG does not define a way to store diapers and only deals with flattened images.

Fireworks saves the data of the extra layer of PNG files in a proprietary format with a private label. A definition for this exclusive data has never been made public.  Saved by Fireworks PNG still usable as a flattened image of any application able to handle PNG files.  These applications will maintain the standard data and ignore the proprietary data of fireworks.

Affinity maintains the standard PNG files.  But it cannot import or export data from the layer by using the method of fireworks.

There is no hope that we will always be able to manage the data layer from Fireworks PNG files.

We recognize that being able to handle Fireworks PNG files would be very useful for users of affinity.  If a public definition of the format of data become available, we will be able to address the issue.

Layered TIFF files

There is no such thing as "layered TIFF.  The TIFF standard handles only images flattened under the tags described to the public.

TIFF allows businesses to record any additional tags for their own use. Adobe has recorded two private TIFF tags that allow them to incorporate the layer data in a TIFF file.  These tags are an extension and are not part of the standard TIFF Central.  These tags are used to integrate data layer PSD into a TIFF image, in addition to the standard rasterized image.

Since affinity has a PSD importer, we are able to import data from the layer of a TIFF file if it has these tags.  However, given that this is handled by our PSD importer that is subject to the restrictions as standard PSD Import in affinity.  We clearly that while we aim to provide the best third party support PSD, we can never replicate 100% the way Photoshop deals and displays a PSD file.  Photoshop has its own approach to apply the transparency/alpha, vector and features of vector, layer effects and gradient masks.  This means that although we can offer the importation of what can be changed to a PSD file, the result will not be a reproduction of a one pixel that you see in Photoshop.

We recorded our own TIFF tags for the incorporation of the data layer of affinity in a TIFF file, in a similar way to the data layer PSD. This is intended for the dams that use TIFF as their Exchange format.  When you save a TIFF file, you are given the option to include data of layer affinity.  This will help keep the editable document of several layer elements.  This obviously comes at a cost of increased size.  Our TIFF labels will use our format proprietary data and as such, cannot be used by the applications of affinity.

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Their admission that same PSD are not guaranteed to be a reproduction of a tone pixel that you see in Photoshop, combined with the use of the affinity of the TIFF layers and tags "our TIFF labels will use our format proprietary data and as such, cannot be used by affinity applications." is a bit worrying consequences for everyone who has the hope that affinity would be a complete replacement for Photoshop

Tags: Photoshop

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