instead I opted to use areaonarea overlayer according to this picture
Unfortunately only the polygon clipfile remains after AreaOnAreaOverlayer, I guess the transformer only works on vector data.
How can I do this?
I have an awful lot of small esri ascii grid rasterfiles (11215 objects) wich I try to group into larger units - from 250x250m squares to 2500x2500m squares. The solution eludes me though. I first tried to use rastermosaicker for all the parts but the resulting gridfile became larger than its 2.1Gb format spec so
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Hi,
The AreaOnAreaOverlayer doesn't treat raster features. Consider using the Clipper instead.
Grid Polygon --> Clipper
Rasters --> Clippee
Takashi
There's also a RasterTiler transformer that you could use (put it after the RasterMosaicker). Either way the other thing you need to do is set the fanout in the output feature type, to be the tile name.
Mark
Clipper feels totally backwards but works flawlessly. Thanks