FOSS4G 2011 presentation on the status of the GeoServer open source project

1. The State of GeoServer
Andrea Aime GeoSolutions
Justin Deoliveira Opengeo

2. Project Activity

3. Project Activity

4. Project Activity

5. Project Activity

6. Project Activity

7. Project Activity

8. Project Activity

9. Project Activity

10. Project Activity

11. Project Activity

12. Two Years in Review

13. Rendering

14. Advanced Projection Handling
Dateline wrapping (Plate Caree, Mercator)
Cut polygons to valid area
(Mercator, Transverse Mercator, Polar)

15. Geometry Transformations
Drop 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>

16. 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

17. 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>

18. 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

19. Unit of Measure Support
1:20K
1:10K
1:5K

20. Unit of Measure Support
<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>
1:20K
<MaxScaleDenominator>8000</MaxScaleDenominator>
<LineSymbolizer>
<Stroke>
<CssParameter name="stroke-width">
<ogc:Literal>4</ogc:Literal>
</CssParameter> 1:10K
</Stroke>
</LineSymbolizer>
</Rule>
1:5K

21. Unit of Measure Support
<Rule>
<LineSymbolizer uom="http://www.opengeospatial.org/se/units/metre">
<Stroke>
<CssParameter name="stroke-width">
<ogc:Literal>5</ogc:Literal>
</CssParameter>
</Stroke>
</LineSymbolizer>
</Rule>
1:20K
1:10K
1:5K

22. 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>

23. And More Rendering
● Point label displacement
● DPI scaling
● Faster Recode/Categorize
● Performance

24. Raster

25. Faster Raster Reprojection
Piecewise linear
approximation

26. Faster Raster Reprojection

27. Non Georeferenced Rasters
EPSG:404000

28. 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

29. Automatic Image Pyramids
Automatically:
● recognize gdal_retile structure
● building mosaic index

30. 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

31. 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

32. And More Raster
● Oracle GeoRaster
● JPEG 2K improvements
● More Concurrency
● Simplified/Shrunk Raster Operation
Chains

33. Web UI

34. Web UI
CRS Area of
Validity Display
EPSG:32612, UTM 12N
EPSG:32614, UTM 14N

35. Web UI
Legend preview
Log viewer

36. Web UI
Graphical file chooser

37. Application Schema Support
● Recent development by CSIRO
● Full extension status
● Feature chaining, polymorphism
● Better performance, memory use
● GML 3.2, WMS (beta)

38. Projections
Robinson Mollweide
Winkel Tripel Eckert IV
Equidistant conic

39. Web Map Service (WMS)

40. Time and Elevation

41. 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

42. 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

43. Animation
...&request=GetMap
&format=image/gif;subtype=animated
&aparam=bbox
&avalues=-180,0,0,90, -165,0,14,90...

44. WMS Cascading

45. GeoWebCache
Transparent caching
Disk usage
control

46. And More WMS
● WMS 1.3
● SE 1.1 / SLD 1.1
● SLD GetStyles

47. Web Coverage Service (WCS)

48. WCS Request Builder

49. WCS Limits

50. Web Processing Service (WPS)

51. Web Processing Service
Full extension status
Lots of new
processes

52. Georectification Process

53. Georectification Process

54. SQL Views
Layers from SQL
request=GetMap
&layers=continents
&viewparams=region:2

55. Virtual Services
Service and catalog views per workspace

56. Control Flow
● 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

57. Control Flow

58. Control Flow

59. 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>

60. Monitoring and Auditing

61. Teradata DataStore

62. What's coming?

63. On the Horizon
● WFS 2.0
● DBconfig - Catalog and config in a database
● Scripting - Python, JavaScript, Scala, Groovy
(GeoScript)
● GSS / GeoGit

64. Thanks!
Questions?
http://geoserver.
org

65. Oh Wait! It's trivia time.
What was the original
name of the organization
that founded GeoServer?
?