Nodata is not made transparent after channelSelect+contrastEnhancement on multibands dataset

Description

input:
A 6bands INT16 GeoTIFF image with nodata value=0 on each band.
A Style selecting 3 bands (with ChannelSelect) and applying values rescaling to 0 - 255 (with ContrastEnhancement) is applied to that image.
Output PNG is requested.

The 0,0,0 pixels are displayed as Black whilst, being nodata, they should be displayed transparent.

Environment

None

Status

Assignee

Daniele Romagnoli

Reporter

Daniele Romagnoli

Triage

None

Fix versions

Affects versions

None

Components

Priority

Medium
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