[Gdal-dev] Problems with creating PNG files

[Roger James]

Frank,

You got it in one. I was just double clicking and letting the default
windows picture and fax viewer open it. I have just tried opening the files
in Photoshop and they look fine!

I will see if I can get libpng-1.2.8 to build and see if that fixes it.

Roger

> Roger,
> 
> The file looks fine with me.  However, folks have encountered
> problems reading png files produced with modern libpng versions
> using the built-in windows support for png.  What are you using to
> check the png files?
> 
> If this is the problem, you will likely need to downgrade to an
> older libpng to retain compatibility with windows.  I don't understand
> what change caused this .. I have just seen the result.
> 
> If this turns out to be the issue for you as well, I would appreciate
> your summizing back to the list as a warning to others.
> 
> Best regards,
> --
> ---------------------------------------+----------------------------------
> ----
> I set the clouds in motion - turn up   | Frank Warmerdam,
> warmerdam at pobox.com
> light and sound - activate the windows | http://pobox.com/~warmerdam
> and watch the world go round - Rush    | Geospatial Programmer for Rent