Ribbon Tiler doesn't support png output with alpha channel

GeoscienceAustralia / ga-worldwind-suite

A collection of tools created by the Geoscience Australia (GA) Movies and 3D Visualisation (M3DV) team. The tools are built around the NASA World Wind Java SDK, an open-source virtual globe toolkit.

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Ribbon Tiler doesn't support png output with alpha channel #82

Open jfnavin opened 12 years ago

jfnavin commented 12 years ago

Currently the Ribbon Tiler appears to ignore alpha channels in source images when outputting PNG tiles.

It would be good to have the option of preserving the alpha channel in the output.