[Geowanking] image pyramid software, KML, Google earth
08046891 at glam.ac.uk
Mon Nov 23 10:18:39 PST 2009
It's not entirely clear what you want to do with the pyramids, so on the off
chance you want to serve them via a web-map I'll point out that WCS (Web
Coverage Service) servers usually include the ability to perform this magic
deegree does it here: https://wiki.deegree.org/deegreeWiki/RasterTreeBuilder
GeoServer here - http://geoserver.org/display/GEOSDOC/Image+Pyramid (the
documentation is a little dated in places because they're transitioning
documentat systems - asking questions on their excellent mailing list helps)
I imagine the other WCS servers can also do it but I don't know anything
about them. In the case of GeoServer, you can have it ouput as a KML layer
with WMS (Web Map Service) using the SuperOverlays that Barry mentioned:
2009/11/23 Markus Loecher <mao.loecher at gmail.com>
> Dear kml creators,
> In "The KML Handbook" (Josie Wernecke), the image pyramid is described as a
> very convenient multi-scale view of an image, which elegantly integrates
> with kml files.
> Unfortunately, no real pointer towards software that performs this task on
> a given image file is provided (Figure 5-14 caption: "Search the web for
> software tools that can create this image pyramid for you") and a Web search
> yielded no real results.
> Does anyone have or know about software that partitions an image into
> quadtree-like tiles ?
> Thanks in advance,
> Geowanking mailing list
> Geowanking at geowanking.org
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