Opened 12 years ago

Closed 11 years ago

#880 closed defect (fixed)

Colour reduction of png tiles looks bad in detailed areas

Reported by: Thomas Wood Owned by: jburgess777@…
Priority: trivial Milestone:
Component: mapnik Version:
Keywords: Cc:


Colour reduction of tiles is performed to reduce filesize, under some conditions this is detrimental to the look of the map.

At low zoomlevels the mismatching of colours can be particularly obvious.

Change History (4)

comment:1 Changed 12 years ago by Tom Hughes

Owner: changed from Tom Hughes to jburgess777@…

comment:2 Changed 11 years ago by jburgess777@…

Owner: changed from jburgess777@… to jburgess777@…

comment:3 Changed 11 years ago by jburgess777@…

There was a fix in Mapnik a little while ago which dramatically improved the colour reduction algorithm. The examples given above look OK to me now.

comment:4 Changed 11 years ago by jburgess777@…

Resolution: fixed
Status: newclosed
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