Ticket #2616 (new defect)

Opened 2 months ago

AGG - Polygon "outline" is drawn when outline is not specified

Reported by: havatv Assigned to: tbonfort
Priority: normal Milestone:
Component: AGG Version: svn-trunk (development)
Severity: normal Keywords: AGG, polygon, composed symbol, outline
Cc:

Description

When composing polygon symbols using a background colour and a foreground pattern in a different colour using AGG, there will be a 1 pixel outline in the background colour also where the border passes through the foreground pattern. This is not correct behaviour - outlines shall be specified explicitly.

Example (only rectangular polygons, but the same effect can be seen for all polygons): http://gis.umb.no/cgi-bin/mapserv_5.2dev1?map=/users/ikf/ikfht/mapserv/tests/polyfill_whitespace.map (you have to zoom out a bit to see all the borders...)

Here is an example of how this is specified in LAYER-> CLASS (white pattern on yellow background): 

     STYLE
        COLOR 255 205 114
      END # style
      STYLE
	symbol "halvapent"
	SIZE 30
        COLOR 255 255 255
      END # style