I'm not seeing any difference in the output PNG when I change my default interpolation method to "bicubic" or "bilinear" for my SDE raster (an orthophoto, which has pyramids in SDE). I see a comment from Andrea on 29/Jul/2008: http://jira.codehaus.org/browse/GEOS-2057?page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#issue-tabs:
"do you have overviews embedded in your raster data? GeoServer will use them, so the starting point for interpolation will look just as good as the overview you have. I'm asking because most tools default on nn interpolation when creating the overviews." Are overviews the same as SDE pyramids? Does this comment mean that I'm only going to see what's already in SDE (which seems to be a default of nearest neighbor) and that I can't get any change by specifying bicubic or bilinear in the UI? (Although I can specify bilinear or bicubic in ArcMap on this SDE layer and get smoother results). It's OK if this is the way it works, I just want to understand if what I'm seeing is what I should expect to see.
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