TLDR: StreamingRenderer patch, non invasive, preprocesses geometry in order
directly make use of existing 2D rendering chain
-----
Evening:
The next interesting patch I have incoming - is for StreamingRenderer (if it
encounters 3D data from a datastore that does not support the Feature_2D hint).
I considered several options (including just supporting the Feature_2D hint,
using the Decimator to perform the "cast" to WGS84, building up a compound
operation).
The strategy is similar to that employed by the recent ReferenceEnvelope3D
transforms (transform the original information to to WGS84_3D, change the
numbers over to WGS84, and then proceed down the existing 2D rendering
pipeline).
The approach used resulted in the least disruption to the StreamingRenderer
code base - which I felt was a win for such an important bit of code.
Details:
- https://jira.codehaus.org/browse/GEOT-4337
- https://github.com/jive/geotools/commits/streaming_renderer_3d_data
--
Jody Garnett
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