I'm working on a GSProcess which is being used as a
RenderingTransformation, to produce a GridCoverage output. I want to
create the output grid with the size of the image requested. To do this I
need to keep the GridGeometry provided in the invertQuery() method for
later use in the execute() method.
At first I did not realize that the Process object was instantiated by the
SLD, and so all instance state is not local to each request. In order to
create request-specific state (i.e. to keep the GridGeometry in) I have had
to create a ThreadLocal class and use it.
This seems like a bit of a hack, and is slightly obscure. Is there any
better way of doing this? Or any plans to provide a simpler alternative?
--
Martin Davis
OpenGeo - http://opengeo.org
Expert service straight from the developers.
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