| Hello, How can I create a styled (sld) wms image (e.g. png or gif ) from a set of postgis geometry objects ? Which java classes does geoserver use to do this ? I need to this because i intend to use pgrouting as part of a new web application I am working on. In the application, I need to execute pgrouting queries that returns a set of postgis geometry objects, this geometry objects will have to be rendered as a wms image (with sld applied) and sent to the clients web browser. I know geoserver does this for other spatial queries as part of its wms implementation. I will like to know which classes geoserver uses to this. Thanks, Roman. |
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Hi Roman,
Andrea can give you a better overview but basically you want to use the StreamingRenderer and ShapefileRenderer classed in geotools to render a FeatureSource to an image. You can see how it is setup in the DefaultRasterMapProducer class in GeoServer.
-Justin
Roman Isitua wrote:
Hello,
How can I create a styled (sld) wms image (e.g. png or gif ) from a set of postgis geometry objects ? Which java classes does geoserver use to do this ?
I need to this because i intend to use pgrouting as part of a new web application I am working on. In the application, I need to execute pgrouting queries that returns a set of postgis geometry objects, this geometry objects will have to be rendered as a wms image (with sld applied) and sent to the clients web browser. I know geoserver does this for other spatial queries as part of its wms implementation. I will like to know which classes geoserver uses to this.
Thanks,
Roman.
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Justin Deoliveira
OpenGeo - http://opengeo.org
Enterprise support for open source geospatial.