the state of the geoserver project
DESCRIPTION
FOSS4G 2011 presentation on the status of the GeoServer open source projectTRANSCRIPT
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The State of GeoServer
Andrea Aime GeoSolutions
Justin Deoliveira Opengeo
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Project Activity
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Project Activity
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Project Activity
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Project Activity
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Project Activity
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Project Activity
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Project Activity
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Project Activity
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Project Activity
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Project Activity
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Two Years in Review
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Rendering
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Advanced Projection HandlingDateline wrapping (Plate Caree, Mercator)
Cut polygons to valid area (Mercator, Transverse Mercator, Polar)
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Geometry TransformationsDrop shadow
<PolygonSymbolizer> <Geometry> <ogc:Function name="offset"> <ogc:PropertyName>the_geom</ogc:PropertyName> <ogc:Literal>0.00004</ogc:Literal> <ogc:Literal>-0.00004</ogc:Literal> </ogc:Function> <Geometry></PolygonSymbolizer>
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Geometry Transformations<PointSymbolizer> <Geometry> <ogc:Function name="endPoint"> <ogc:PropertyName>the_geom</ogc:PropertyName> </ogc:Function> </Geometry> <Graphic> <Mark> <WellKnownName>shape://carrow</WellKnownName> </Mark> <Rotation> <ogc:Function name="endAngle"> <ogc:PropertyName>the_geom</ogc:PropertyName> </ogc:Function> </Rotation> </Graphic></PointSymbolizer>
Pointed Arrows
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Rendering Transformations
<FeatureTypeStyle> <Transformation> <ogc:Function name="gs:Contour"> <ogc:Function name="parameter"> <ogc:Literal>data</ogc:Literal> </ogc:Function> <ogc:Function name="parameter"> <ogc:Literal>levels</ogc:Literal> <ogc:Literal>1100</ogc:Literal> <ogc:Literal>1200</ogc:Literal> <ogc:Literal>1300</ogc:Literal> <ogc:Literal>1400</ogc:Literal> <ogc:Literal>1500</ogc:Literal> <ogc:Literal>1600</ogc:Literal> <ogc:Literal>1700</ogc:Literal> <ogc:Literal>1800</ogc:Literal> </ogc:Function> </ogc:Function> </Transformation> </FeatureTypeStyle>
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SLD Parameter Substitution <Mark> <WellKnownName> <ogc:Function name="env"> <ogc:Literal>mark</ogc:Literal> <ogc:Literal>square</ogc:Literal> </ogc:Function> </WellKnownName> <Fill>#FF0000</Fill> </Mark>
Normal output ...&env=mark:star
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Unit of Measure Support
1:20K
1:10K
1:5K
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Unit of Measure Support
1:20K
1:10K
1:5K
<Rule> <MinScaleDenominator>18000</MinScaleDenominator> <LineSymbolizer> <Stroke> <CssParameter name="stroke-width"> <ogc:Literal>1</ogc:Literal> </CssParameter> </Stroke> </LineSymbolizer></Rule><Rule> <MinScaleDenominator>8000</MinScaleDenominator> <MaxScaleDenominator>18000</MaxScaleDenominator> <LineSymbolizer> <CssParameter name="stroke-width"> <ogc:Literal>2</ogc:Literal> </CssParameter> </Stroke> </LineSymbolizer></Rule><Rule> <MaxScaleDenominator>8000</MaxScaleDenominator> <LineSymbolizer> <Stroke> <CssParameter name="stroke-width"> <ogc:Literal>4</ogc:Literal> </CssParameter> </Stroke> </LineSymbolizer></Rule>
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Unit of Measure Support
1:20K
1:10K
1:5K
<Rule> <LineSymbolizer uom="http://www.opengeospatial.org/se/units/metre"> <Stroke> <CssParameter name="stroke-width"> <ogc:Literal>5</ogc:Literal> </CssParameter> </Stroke> </LineSymbolizer></Rule>
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Label Obstacles
<PointSymbolizer> <Graphic> <ExternalGraphic> <OnlineResource xlink:type="simple" xlink:href="..." /> <Format>image/png</Format> </ExternalGraphic> <Size>32</Size> </Graphic> <VendorOption name="labelObstacle">true</VendorOption></PointSymbolizer>
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● Point label displacement● DPI scaling● Faster Recode/Categorize● Performance
And More Rendering
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Raster
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Faster Raster Reprojection
Piecewise linear approximation
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Faster Raster Reprojection
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Non Georeferenced Rasters
EPSG:404000
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Image Mosaic Improvements
● Attach attributes to tiles● Filter by attribute● Filter by time/elevation● Autoindexing of directories● External indexes
○ any GT datastore○ third party indexes
● Multithreaded loading of granules● Footprint support
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Automatic Image Pyramids
Automatically:● recognize gdal_retile structure● building mosaic index
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ImageIO-Ext Improvements● BigTiff support
○ Read/Write○ Overviews
● Improved GeoTiff○ external overviews○ new plugin underway
● Improved JPEG2000 support○ kakadu based○ additional code params○ fine grain control on writing
● Improved Tiff metadata management○ wiser caching○ less memory - more speed
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Direct Raster Rendering Path● Hit JAVA2D Bottleneck – Scalability Issue
○ http://bit.ly/qJcZBi○ http://bit.ly/oe0CHo
● Created direct raster rendering path with JAI○ Drop-in replacement (1 raster
at time)○ 2x speedup○ 2x/3x scalability improvement
under heavy load○ Enabled/Disabled via Java Switch
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● Oracle GeoRaster● JPEG 2K improvements● More Concurrency● Simplified/Shrunk Raster Operation
Chains
And More Raster
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Web UI
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Web UI
EPSG:32612, UTM 12N
EPSG:32614, UTM 14N
CRS Area of Validity Display
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Web UI
Log viewer
Legend preview
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Web UIGraphical file chooser
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● Recent development by CSIRO ● Full extension status● Feature chaining, polymorphism● Better performance, memory use● GML 3.2, WMS (beta)
Application Schema Support
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Projections
Mollweide
Eckert IVWinkel Tripel
Robinson
Equidistant conic
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Web Map Service (WMS)
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Time and Elevation
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Time and Elevation
...&request=GetMap &time=2001-08-01T18:00:00Z/2001-09-01T00:00:00Z
...&request=GetMap &time=2003-08-01T18:00:00Z/2003-10-01T00:00:00Z
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Animation
Albacore Tuna catches, 1986 to 2000. (Params injected in a complex sql view computing each pixel)
...&request=GetMap &format=image/gif;subtype=animated &aparam=viewparams:YR_TA &avalues=1986,1987,...,2000 &format_options=gif_loop_continuosly:true
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Animation
...&request=GetMap &format=image/gif;subtype=animated &aparam=bbox &avalues=-180\,0\,0\,90, -165\,0,14\,90...
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WMS Cascading
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GeoWebCacheTransparent caching
Disk usagecontrol
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● WMS 1.3● SE 1.1 / SLD 1.1● SLD GetStyles
And More WMS
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Web Coverage Service (WCS)
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WCS Request Builder
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WCS Limits
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Web Processing Service (WPS)
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Web Processing ServiceFull extension status
Lots of new processes
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Georectification Process
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Georectification Process
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SQL ViewsLayers from SQL
request=GetMap &layers=continents &viewparams=region:2
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Service and catalog views per workspace
Virtual Services
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● OWS request throttling based on:○ Number of concurrent requests total○ Number of concurrent requests per:
■ service■ operation■ output format■ user
● Requests queued when limits reached
Control Flow
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Control Flow
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Control Flow
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Cross Layer Filtering<wfs:Query typeName="sf:bugsites"> <ogc:Filter> <ogc:Intersects> <ogc:PropertyName>the_geom</ogc:PropertyName> <ogc:Function name="querySingle"> <ogc:Literal>sf:restricted</ogc:Literal> <ogc:Literal>the_geom</ogc:Literal> <ogc:Literal>cat = 3</ogc:Literal> </ogc:Function> </ogc:Intersects> </ogc:Filter> </wfs:Query>
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Monitoring and Auditing
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Teradata DataStore
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What's coming?
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On the Horizon
● WFS 2.0● DBconfig - Catalog and config in a database● Scripting - Python, JavaScript, Scala, Groovy
(GeoScript)● GSS / GeoGit
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Thanks!
http://geoserver.org
Questions?
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Oh Wait! It's trivia time.
What was the original name of the organization that founded GeoServer?
?