[Geoserver-devel] [JIRA] (GEOS-7569) Porter-Duff composite is wrong when tiled option is true

Sebastien Ouellet created an issue

GeoServer / BugGEOS-7569

Porter-Duff composite is wrong when tiled option is true

Issue Type:

BugBug

Affects Versions:

2.9.0, 2.8.1

Assignee:

Unassigned

Components:

WMS

Created:

02/Jun/16 5:26 PM

Environment:

OS X Yosemite, Ubuntu 14.04

Priority:

HighHigh

Reporter:

Sebastien Ouellet

The duff-porter composite through the SLD VendorOption doesn’t work well when a tiled WMS getMap call is requested. Single-tile works as expected.

We have two FeatureStyles that we composite with a destination-in operation to color linestrings only when they are intersecting a polygon, but if we zoom in sufficiently where no linestrings are present, parts of the polygons appear (cut in a way that follows tiling).

This seems to lead to a bug in the way the tiling works.

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